Trabajos senior data engineer en London - Page 9Crear alertas

Senior Java Developer- London/Hybrid- up to £95k \n Our client an innovative and light footed fintech startup/scaleup brand are on a mission to revolutionise the credit and lending space. The brand who have now been running for the last 10 years and backed by VC investment are looking to hire a Senior Engineer to work on an exciting Product roadmap over the coming years. \n\n This role is based out of central London on a hybrid approach and looking for people that are willing to come to their office 3 days per week, they may have a bit of flexibility on this and very flexible hours. \n\n Tech Stack: \n Java 11 (moving to Java 17)\n Relational Databases- SQL and ORM Tech (JPA, Hibernate)\n AWS \n ML/ Big Data- desirable \n Design and development of low latency software components \n Collaborate in agile development process meetings, stand ups, sprint panning, retrospectives and foster collaboration \n Projects: \n migration from java 11 to java 17\n brand new lender platform and payment systems for their customers \n Building a white label solution or managed service offering \n\n Salary is up to £95k plus a competitive benefits package which includes 5% matched pension (salary sacrifice), 25 days holiday plus bank holidays, private health care with aviva, income protection, super flexible hours, L&D budget, a modern and state of the art office with lots of socials and an outstanding Engineering Leader who has a history of building high performing teams and growth of individuals. \n\n Senior Java Developer- London/Hybrid- up to £95k

Senior Data Engineer – Hybrid (London) | £65K–£85K \n Ecom Recruitment are working with a fast-growing digital consultancy delivering cutting-edge data and tech solutions for some of the UK’s biggest brands. \n\n We’re looking for a Senior Data Engineer to join their expanding data team, someone who’s passionate about building cloud-native data platforms and pipelines that actually make an impact. \n\n You’ll be hands-on with AWS, Azure, or GCP, working in a collaborative environment that values innovation, quality, and teamwork. \n\n#Solid experience with Python, SQL, Spark, and Airflow \n Confident working across AWS, Azure, or GCP \n Experience in the gambling/gaming sector is a plus \n\n#Hybrid working – 2 days a week in the London office \n Private medical insurance \n~ Enhanced parental and adoption leave \n~ Pension matched up to 5%\n\n\n If you’re a Senior Data Engineer who loves solving complex problems, enjoys variety, and wants to work with modern cloud technologies we’d love to hear from you.

Our client is a leading global investment management firm operating a multi-strategy platform that combines cutting-edge technology with deep fundamental and quantitative research. With a presence across major financial centres in a collaborative global footprint spanning London, New York, and Asia, the firm manages a diverse portfolio across asset classes and strategies, supported by a world-class infrastructure and proprietary technology stack. \n\n The organisation is renowned for its collaborative, high-performance culture, one that empowers engineers to design, build, and operate systems that directly enable trading and investment decision-making. With trading volumes, data analytics, and cloud integration scaling rapidly, the firm is expanding its core network engineering function to ensure its systems remain ultra-low latency, secure, and globally consistent. This is a key hire in building the next generation of network architecture supporting the firm’s ambitious technology roadmap. \n\n Competitive base salary and performance-related bonus \n Private healthcare and pension contributions \n Opportunities for professional development and advanced certifications \n As a Senior Network Engineer, you’ll play a central role in maintaining and evolving the firm’s global data and voice network. You’ll design and deliver projects that support both trading operations and broader business initiatives across data centres, offices, and cloud environments. \n\n Owning and supporting the global network and voice infrastructure \n Designing, implementing, and optimising secure, scalable network solutions \n Partnering with internal teams and external vendors to resolve complex network issues \n Leading infrastructure projects involving data centres, telephony, and cloud connectivity \n Performing proactive monitoring, maintenance, capacity planning, and performance tuning \n Minimum 5 years’ experience supporting enterprise-level data and voice networks \n Solid experience in financial or trading environments preferred \n BGP, OSPF, HSRP, spanning tree, VPNs, dot1x, ACI fabric \n AWS Direct Connect and Transit Gateways \n Knowledge of Cisco ISE and network automation (Terraform desirable)

Senior Data Engineer - FinTech Unicorn - Python, SQL, DBT, Airflow, AWS/GCP \n OB have partnered with a UK FinTech Unicorn, who's Data function is undergoing rapid growth, and in-turn are looking to grow their Data team, with 2 highly skilled Data Engineers. \n\n You'll be working on shaping the companies Data function, driving Data best practices, and collaborate with a variety of stakeholders to ensure the company are making Data driven decisions. \n\n Senior Data Engineer - FinTech Unicorn - Python, SQL, DBT, Airflow, AWS/GCP \n\n Tech Stack: \n\n Python & SQL \n AWS/GCP \n Base salary of £90k-£115k depending on skills and experience \n Excellent overall package including a sizeable bonus and stock options \n\n Hybrid working in Central London with 1-2 days a week required \n\n Senior Data Engineer - FinTech Unicorn - Python, SQL, DBT, Airflow, AWS/GCP

Network Deployment Engineer – CCNA/CCNP/CWMP/CWNE – London \n CRG Recruitment are working with our client to recruit Network Deployment Engineers into their business with strong expertise in wired network design or wireless network infrastructure. \n\n You will be a network engineer or network architect who has experience of designing networks from the ground up. \n\n As a Network Deployment Engineer , you will be responsible for translating customer requirements to fully designed wired and wireless networks and you will be responsible for all technical decisions throughout the design and deployment phases, and support my clients customers through go live of the networks. \n\n Skills required for the role are below, \n Network Engineer or Network Architect experience in designing networks from the ground up \n Tier 2/3 Support Engineers where you have handled complex escalations and network troubleshooting \n Professional experience in customer-facing or design-oriented roles \n CCNA/CCNP certifications for wired specialists or CWMP/CWNE credentials for wireless specialists \n Previous work translating technical requirements into practical network designs \n Engineers who've worked across diverse network environments \n\n Salary on offer for this position has a range of £65,000 to £110,000 plus benefits \n\n Interested?!? Send your up to date resume to Chris Butler at CRG for review \n\n Network Engineer – CCNA/CCNP/CWMP/CWNE – London

Job Title: Data Engineer (AI) Location: London (Hybrid – 3 days in office)\n Media, Campaign Media, AI/Data \n Tech: Python, Data engineering, pipelines, BigQuery, SnowFlake \n We’re hiring an AI Data Engineer to help build the next generation of intelligent analytics systems. The role combines data engineering, automation, and applied AI — giving you the chance to shape how complex datasets are processed, analysed, and turned into insights through large language models (LLMs) and automated pipelines. \n This is an excellent opportunity for someone early in their career (1–2+ years’ experience) who’s ready to step into a role with impact. You’ll work closely with experienced engineers and gain hands-on exposure to advanced tools, scalable data systems, and AI-powered reporting automation. \n\n Contribute to the design and maintenance of analytics pipelines, ensuring reliability and performance. \n Use SQL and Python to build data workflows, automation scripts, and reporting processes. \n Support the integration of AI and LLMs into reporting and query-generation systems. \n Collaborate across technical and non-technical teams to translate data into clear recommendations. \n Learn how to evolve manual workflows into scalable, automated intelligence systems. \n\n Experience in data analytics, data engineering, or campaign analytics. \n Strong SQL skills, plus Python (or R) for data processing and automation. \n Interest in AI/LLM applications — hands-on experience welcome but not essential. \n Understanding of digital performance metrics and data connectors (experience with platforms like Google Ads, Meta, or DSPs a bonus). \n Direct mentorship from senior engineers on advanced AI and automation projects. \n Opportunity to work on high-impact data systems used by major global clients. \n Clear career progression as the data team expands. \n Hybrid working with 3 days a week in our central London office. \n Annual learning budget for technical training, conferences, and AI/ML development.

Our client is a leading global investment management firm operating a multi-strategy platform that combines cutting-edge technology with deep fundamental and quantitative research. With a presence across major financial centres in a collaborative global footprint spanning London, New York, and Asia, the firm manages a diverse portfolio across asset classes and strategies, supported by a world-class infrastructure and proprietary technology stack. \n\n The organisation is renowned for its collaborative, high-performance culture, one that empowers engineers to design, build, and operate systems that directly enable trading and investment decision-making. With trading volumes, data analytics, and cloud integration scaling rapidly, the firm is expanding its core network engineering function to ensure its systems remain ultra-low latency, secure, and globally consistent. This is a key hire in building the next generation of network architecture supporting the firm’s ambitious technology roadmap. \n\n Competitive base salary and performance-related bonus \n Private healthcare and pension contributions \n Opportunities for professional development and advanced certifications \n As a Senior Network Engineer, you’ll play a central role in maintaining and evolving the firm’s global data and voice network. You’ll design and deliver projects that support both trading operations and broader business initiatives across data centres, offices, and cloud environments. \n\n Owning and supporting the global network and voice infrastructure \n Designing, implementing, and optimising secure, scalable network solutions \n Partnering with internal teams and external vendors to resolve complex network issues \n Leading infrastructure projects involving data centres, telephony, and cloud connectivity \n Performing proactive monitoring, maintenance, capacity planning, and performance tuning \n Minimum 5 years’ experience supporting enterprise-level data and voice networks \n Solid experience in financial or trading environments preferred \n BGP, OSPF, HSRP, spanning tree, VPNs, dot1x, ACI fabric \n AWS Direct Connect and Transit Gateways \n Knowledge of Cisco ISE and network automation (Terraform desirable)

Senior Analytics Engineer (DBT) | Permanent | London (1 day a week on-site) #128640; Their AI-enabled platform supports over 1,000+ brands worldwide, streamlining business processes like never seen before. Data/Analytics is the backbone: from APIs and pipelines to governance and observability, their data platform directly powers customer-facing products and AI-driven insights. \n\n Greenfield impact – Inherit a live but early function, define best practice across modeling, testing, observability, and governance. \n✨ Founding seat – hired as the first Senior AE in a newly created Data Engineering function; real ownership, design authority, and a fast path to Lead (if you desire!)\n✨ Direct product impact – Your models and marts power decisions and features that 1,000+ brands rely on every day. \n✨ AI at the core – enable experimentation and intelligent decisions with high-quality datasets \n✨ $Own the analytics platform end-to-end: set the roadmap for models, metrics and data contracts; Ship with reliability : stand up observability (tests, freshness, lineage, cost), enforce SLAs, and keep pipelines fast and resilient.. \n Be the multiplier : mentor analysts/engineers as the team grows, partner with Product/DS/Eng, and turn business questions into data products that move the needle. \n\n Python \n London (1 day a week onsite)

Our client is a leading global investment management firm operating a multi-strategy platform that combines cutting-edge technology with deep fundamental and quantitative research. With a presence across major financial centres in a collaborative global footprint spanning London, New York, and Asia, the firm manages a diverse portfolio across asset classes and strategies, supported by a world-class infrastructure and proprietary technology stack. \n\n The organisation is renowned for its collaborative, high-performance culture, one that empowers engineers to design, build, and operate systems that directly enable trading and investment decision-making. With trading volumes, data analytics, and cloud integration scaling rapidly, the firm is expanding its core network engineering function to ensure its systems remain ultra-low latency, secure, and globally consistent. This is a key hire in building the next generation of network architecture supporting the firm’s ambitious technology roadmap. \n\n Competitive base salary and performance-related bonus \n Private healthcare and pension contributions \n Opportunities for professional development and advanced certifications \n As a Senior Network Engineer, you’ll play a central role in maintaining and evolving the firm’s global data and voice network. You’ll design and deliver projects that support both trading operations and broader business initiatives across data centres, offices, and cloud environments. \n\n Owning and supporting the global network and voice infrastructure \n Designing, implementing, and optimising secure, scalable network solutions \n Partnering with internal teams and external vendors to resolve complex network issues \n Leading infrastructure projects involving data centres, telephony, and cloud connectivity \n Performing proactive monitoring, maintenance, capacity planning, and performance tuning \n Minimum 5 years’ experience supporting enterprise-level data and voice networks \n Solid experience in financial or trading environments preferred \n BGP, OSPF, HSRP, spanning tree, VPNs, dot1x, ACI fabric \n AWS Direct Connect and Transit Gateways \n Knowledge of Cisco ISE and network automation (Terraform desirable)

Senior Software Engineer / Developer (Python FastAPI Data) London to £90k \n Are you a data centric Software Engineer with strong Python and SQL skills? \n You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cybersecurity insurance markets. \n As a Senior Software Engineer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs within an Azure environment with Databricks. You'll participate in the design and implementation of advanced mechanisms for data ingestion, transformation, mass parallel orchestration of network IO and will model data for a variety of purposes. \n Location / WFH: \n There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. \n You have strong Python backend software engineering skills \n You have experience of building FastAPIs \n You have a good knowledge of public cloud services, they're using Azure but experience with AWS or GCP is fine \n You have experience of working with data at scale \n You have strong SQL skills (PostgreSQL, SQL Server and ideally Databricks, or happy to learn it)\n You have a thorough knowledge of Computer Science fundamentals including Data Structures, Design Patterns, OOP \n As a Senior Software Engineer you will receive a competitive package: \n \n~ Salary to £90k + bonus \n Private Medical Insurance (including dental and optical cashback)\n~ Life Insurance, Income Protection \n~ Pension \n~ Subsidised gym membership \n~ Season ticket loan \n~ Employee Assistance Programme \n~ Impactful role with great career progression \n\n Apply now to find out more about this Senior Software Engineer / Developer (Python FastAPI Data) opportunity. \n At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Senior Analytics Engineer (DBT) | Permanent | London (1 day a week on-site) #128640; Their AI-enabled platform supports over 1,000+ brands worldwide, streamlining business processes like never seen before. Data/Analytics is the backbone: from APIs and pipelines to governance and observability, their data platform directly powers customer-facing products and AI-driven insights. \n\n Greenfield impact – Inherit a live but early function, define best practice across modeling, testing, observability, and governance. \n✨ Founding seat – hired as the first Senior AE in a newly created Data Engineering function; real ownership, design authority, and a fast path to Lead (if you desire!)\n✨ Direct product impact – Your models and marts power decisions and features that 1,000+ brands rely on every day. \n✨ AI at the core – enable experimentation and intelligent decisions with high-quality datasets \n✨ $Own the analytics platform end-to-end: set the roadmap for models, metrics and data contracts; Ship with reliability : stand up observability (tests, freshness, lineage, cost), enforce SLAs, and keep pipelines fast and resilient.. \n Be the multiplier : mentor analysts/engineers as the team grows, partner with Product/DS/Eng, and turn business questions into data products that move the needle. \n\n Python \n London (1 day a week onsite)

Lead Developer Remote - London (2-4 Times Per Month)\n Up to £65,000 + Benefits \n\n We’re working with a world-renowned organisation at the forefront of science and digital innovation who are looking for a Lead Developer to join a major national programme. This is a fantastic opportunity to take ownership of building and leading a team delivering cutting-edge digital infrastructure that will transform how vital scientific data is accessed and shared across the UK and beyond. \n\n The role \n As Lead Developer, you’ll provide senior technical direction and hands-on expertise in designing and implementing scalable, secure infrastructure. You’ll be responsible for shaping architectural decisions, integrating cloud-based and bespoke solutions, and ensuring robust delivery of complex technical projects. Alongside this, you’ll build and mentor a small but growing engineering team while collaborating closely with programme managers, senior stakeholders, and technical partners. \n\n Key responsibilities: \n Lead and grow a technical team delivering a new digital infrastructure programme. \n Provide hands-on technical input, writing high-quality code and driving architecture decisions. \n Design and implement secure, scalable backend systems and cloud infrastructure. \n Build robust data pipelines to manage and mobilise large-scale datasets. \n Collaborate with external suppliers, partners, and stakeholders to align delivery. \n\n What we’re looking for: \n At least 5 years of experience delivering full-stack software development (Python backend, JavaScript frontend). \n Strong background in backend infrastructure – SQL/NoSQL, event stores, cloud storage. \n Proven experience in architecting secure, scalable systems in AWS, Azure, or GCP. \n Experience with CI/CD pipelines, agile delivery, and technical leadership. \n Excellent communication skills and ability to work with senior stakeholders. \n\n What’s on offer: \n Salary up to £65,000\n Hybrid working – 1 day per week in London, with some UK travel \n Generous annual leave and pension scheme \n Wellbeing and flexible working support \n A unique opportunity to contribute to a nationally significant digital transformation programme with global impact \n\n If you’re a technically strong, forward-thinking engineer ready to step into a leadership role, this is your chance to make a real impact.

Job Title: Senior Technology & Automation Engineer (Infrastructure & Cloud) Location: London \n\n As the Senior Technology & Automation Engineer in the TechOps & Project Delivery team, you will be required to support the design, implementation, and optimization of enterprise infrastructure systems. The ideal candidate will possess technical expertise across multiple infrastructure domains including networking, cloud platforms, virtualization, data centre operations, and cybersecurity. A solid understanding of Citrix technologies such as application and desktop virtualisation, session management and load balancing, and Citrix cloud management will be key, alongside key networking technologies such as Cisco LAN/WAN/WIFI and Palo Alto firewalls. \n There will be a requirement to help develop, design and drive new initiatives in AI and Automation to enhance working practices across all business lines. \n The individual will report directly to the Head of Technical Operations (Project, Delivery and Engineering) and may work closely with infrastructure support teams. \n Architecture Design & Planning \n Serve as part of a group of technical authority for all infrastructure-related initiatives, ensuring alignment with organizational goals and IT strategies. \n Design and implement resilient, scalable, and secure infrastructure solutions across on-premises, hybrid, and cloud environments (e.g., AWS, Azure, GCP) for M&A activities. \n Participate and lead troubleshooting efforts for complex infrastructure issues and ensure root cause analysis and documentation. \n Participate in and lead infrastructure assessments, capacity planning, and performance tuning. \n Ensure compliance with industry regulations, corporate policies, and SLAs. \n\n Stay current with emerging AI technologies and industry trends. \n Participate in knowledge sharing within the organization and broader community. \n\n Work closely with business analysts, project managers, and subject matter experts to understand requirements. \n Drive AI and Automation opportunities for the business where appropriate. \n Provide technical mentorship to fellow TechOps & Delivery team members and act as a consultant to cross-functional project teams. \n Risk Assessment & Compliance \n Collaborate with information security teams to implement best practices, including hardening, patching, and threat mitigation. \n Ensure solutions comply with security, regulatory, and organizational standards. \n\n Bachelor’s degree in Information Technology, Computer Science, Engineering, or a related field (or equivalent experience). \n Networking (Cisco LAN/WAN, WIFI, Palo Alto firewalls, Infoblox, ZScaler)\n~ Cloud platforms (AWS, Azure, GCP)\n~ Operating systems (Windows Server, Linux)\n~ At least one industry certification such as AWS Certified Solutions Architect, Microsoft Certified: Azure Solutions Architect Expert, Cisco CCNP, VMware VCP, or CompTIA Security+.

Senior AI Engineer – Startup (AI Consultancy) - London (Hybrid) Upto £130k +shares \n We’re working with a fast growth AI Consultancy with offices in London, Manchester and Edinburgh. The business is under a year old and currently sitting at 50 people, generating revenue with a range of AI projects including fact extraction, conversational AI, Co-pilots, knowledge graphs, spanning across a variety of clients such as Investments, Insurance, F&B and CPG. \n\n The founders have proven experience in building a consultancy from scratch and exiting, having previously built a Data Science consultancy and successfully sold to a ‘big 4’ , they are on course to replicate their success here. \n\n This has fuelled rapid growth in the team and we are looking for Senior AI Engineers of different experience levels to join us in building the business by developing end2end LLM products for our clients. \n\n We’re looking for people that have experience building production ready AI solutions, to design, build and deploy AI solutions in collaboration with our clients. You’ll be applying some of the SOTA research in AI to develop applications. Background in foundational Computer Vision/NLP \n Strong Software Engineering skills (3 years+)\n Uptodate with current trends in AI \n Some experience with applying latest techniques like RAG architecture, GenAI, Parallel training etc \n\n The role is hybrid, with adhoc requirements to be on client premises (London) this could be between 1-3 days a week, so we would need someone that is flexible. \n This is a fantastic opportunity to work on a broad range of problems, applying SOTA AI solutions, in a high growth business, set for success and you will be rewarded with: \n\n~ Meaningful EMI shares (our proven history speaks for itself)\n Statutory pension contribution \n~ Private medical

Senior AI Engineer – Startup (AI Consultancy) - London (Hybrid) Upto £130k +shares \n We’re working with a fast growth AI Consultancy with offices in London, Manchester and Edinburgh. The business is under a year old and currently sitting at 50 people, generating revenue with a range of AI projects including fact extraction, conversational AI, Co-pilots, knowledge graphs, spanning across a variety of clients such as Investments, Insurance, F&B and CPG. \n\n The founders have proven experience in building a consultancy from scratch and exiting, having previously built a Data Science consultancy and successfully sold to a ‘big 4’ , they are on course to replicate their success here. \n\n This has fuelled rapid growth in the team and we are looking for Senior AI Engineers of different experience levels to join us in building the business by developing end2end LLM products for our clients. \n\n We’re looking for people that have experience building production ready AI solutions, to design, build and deploy AI solutions in collaboration with our clients. You’ll be applying some of the SOTA research in AI to develop applications. Background in foundational Computer Vision/NLP \n Strong Software Engineering skills (3 years+)\n Uptodate with current trends in AI \n Some experience with applying latest techniques like RAG architecture, GenAI, Parallel training etc \n\n The role is hybrid, with adhoc requirements to be on client premises (London) this could be between 1-3 days a week, so we would need someone that is flexible. \n This is a fantastic opportunity to work on a broad range of problems, applying SOTA AI solutions, in a high growth business, set for success and you will be rewarded with: \n\n~ Meaningful EMI shares (our proven history speaks for itself)\n Statutory pension contribution \n~ Private medical

Data Engineer – Azure, SQL, Databricks \n Flexible day rate - 3-6 months \n\n Location: Hybrid (London-based)\n Type: Contract \n Industry: Consultancy \n\n We are looking for a skilled Data Engineer to join a fast-paced consultancy delivering data-driven solutions across a range of industries. This role is ideal for someone who thrives in client-facing environments and enjoys working on varied, impactful projects. \n\n Design, build, and maintain scalable data pipelines using Azure Data Factory, Databricks, and SQL-based solutions. \n Develop and optimise ETL/ELT workflows to support analytics, reporting, and machine learning use cases. \n Work closely with clients to understand data requirements and translate them into robust technical solutions. \n Implement best practices for data modelling, data quality, and performance tuning across cloud-based platforms. \n Collaborate with cross-functional teams including data scientists, analysts, and software engineers to deliver end-to-end data solutions. \n Ensure data security, compliance, and governance standards are met across all projects. \n\n Strong experience with Azure data services (Data Factory, Synapse, Blob Storage, etc.). \n Proficiency in SQL for data manipulation, transformation, and performance optimisation. \n Solid understanding of data architecture principles and cloud-native design. \n Git, Azure DevOps). \n\n Exposure to Python or Scala for data engineering tasks. \n Knowledge of Power BI or other visualisation tools. \n Experience with data governance frameworks and metadata management. \n\n If you’re interested, get in touch ASAP with a copy of your most recent and up-to-date CV and email me at b.Please Note: This is a contract role for UK residents only. Some of our roles may be subject to successful background checks including a DBS and Credit Check. \n\n TRG are the go-to recruiter for Power BI and Azure Data Platform roles in the UK, offering more opportunities across the country than any other. We're the proud sponsor and supporter of SQLBits, Power Platform World Tour, the London Power BI User Group, Newcastle Power BI User Group and Newcastle Data Platform and Cloud User Group.

Senior Analytics Engineer (DBT) | Permanent | London (1 day a week on-site) #128640; Their AI-enabled platform supports over 1,000+ brands worldwide, streamlining business processes like never seen before. Data/Analytics is the backbone: from APIs and pipelines to governance and observability, their data platform directly powers customer-facing products and AI-driven insights. \n\n Greenfield impact – Inherit a live but early function, define best practice across modeling, testing, observability, and governance. \n✨ Founding seat – hired as the first Senior AE in a newly created Data Engineering function; real ownership, design authority, and a fast path to Lead (if you desire!)\n✨ Direct product impact – Your models and marts power decisions and features that 1,000+ brands rely on every day. \n✨ AI at the core – enable experimentation and intelligent decisions with high-quality datasets \n✨ $Own the analytics platform end-to-end: set the roadmap for models, metrics and data contracts; Ship with reliability : stand up observability (tests, freshness, lineage, cost), enforce SLAs, and keep pipelines fast and resilient.. \n Be the multiplier : mentor analysts/engineers as the team grows, partner with Product/DS/Eng, and turn business questions into data products that move the needle. \n\n Python \n London (1 day a week onsite)

Senior Software Engineer / Developer (Python FastAPI Data) London to £90k \n Are you a data centric Software Engineer with strong Python and SQL skills? \n You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cybersecurity insurance markets. \n As a Senior Software Engineer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs within an Azure environment with Databricks. You'll participate in the design and implementation of advanced mechanisms for data ingestion, transformation, mass parallel orchestration of network IO and will model data for a variety of purposes. \n Location / WFH: \n There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. \n You have strong Python backend software engineering skills \n You have experience of building FastAPIs \n You have a good knowledge of public cloud services, they're using Azure but experience with AWS or GCP is fine \n You have experience of working with data at scale \n You have strong SQL skills (PostgreSQL, SQL Server and ideally Databricks, or happy to learn it)\n You have a thorough knowledge of Computer Science fundamentals including Data Structures, Design Patterns, OOP \n As a Senior Software Engineer you will receive a competitive package: \n \n~ Salary to £90k + bonus \n Private Medical Insurance (including dental and optical cashback)\n~ Life Insurance, Income Protection \n~ Pension \n~ Subsidised gym membership \n~ Season ticket loan \n~ Employee Assistance Programme \n~ Impactful role with great career progression \n\n Apply now to find out more about this Senior Software Engineer / Developer (Python FastAPI Data) opportunity. \n At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Senior Data Engineer - Python, SQL, Airflow, Redshift, Snowflake \n I've partnered with a high-growth start-up looking to expand their Data function, by bringing on a Senior Data Engineer on a contract basis - more info below: \n\n Senior Data Engineer: \n\n Tech stack - Python, SQL, ETL Pipelines, Airflow, BigQuery, Redshift, Snowflake, AWS/GCP \n Experience with event-stream and micro-batching data \n Experienced in Data Quality Assurance \n Experience with Data Warehouse Modelling \n\n Hybrid working in Central London - Monday in the office is essential \n Senior Data Engineer - Python, SQL, Airflow, Redshift, Snowflake

Senior Analytics Engineer (DBT) | Permanent | London (1 day a week on-site) #128640; Their AI-enabled platform supports over 1,000+ brands worldwide, streamlining business processes like never seen before. Data/Analytics is the backbone: from APIs and pipelines to governance and observability, their data platform directly powers customer-facing products and AI-driven insights. \n\n Greenfield impact – Inherit a live but early function, define best practice across modeling, testing, observability, and governance. \n✨ Founding seat – hired as the first Senior AE in a newly created Data Engineering function; real ownership, design authority, and a fast path to Lead (if you desire!)\n✨ Direct product impact – Your models and marts power decisions and features that 1,000+ brands rely on every day. \n✨ AI at the core – enable experimentation and intelligent decisions with high-quality datasets \n✨ $Own the analytics platform end-to-end: set the roadmap for models, metrics and data contracts; Ship with reliability : stand up observability (tests, freshness, lineage, cost), enforce SLAs, and keep pipelines fast and resilient.. \n Be the multiplier : mentor analysts/engineers as the team grows, partner with Product/DS/Eng, and turn business questions into data products that move the needle. \n\n Python \n London (1 day a week onsite)

Senior Data Engineer - FinTech Unicorn - Python, SQL, DBT, Airflow, AWS/GCP \n OB have partnered with a UK FinTech Unicorn, who's Data function is undergoing rapid growth, and in-turn are looking to grow their Data team, with 2 highly skilled Data Engineers. \n\n You'll be working on shaping the companies Data function, driving Data best practices, and collaborate with a variety of stakeholders to ensure the company are making Data driven decisions. \n\n Senior Data Engineer - FinTech Unicorn - Python, SQL, DBT, Airflow, AWS/GCP \n\n Tech Stack: \n\n Python & SQL \n AWS/GCP \n Base salary of £90k-£115k depending on skills and experience \n Excellent overall package including a sizeable bonus and stock options \n\n Hybrid working in Central London with 1-2 days a week required \n\n Senior Data Engineer - FinTech Unicorn - Python, SQL, DBT, Airflow, AWS/GCP

Job Title: Senior Network Engineer - Cisco Professional Services Location: London (3 days onsite per week)\n Salary: £90,000\n\n The Company \n A leading Cisco Professional Services Partner, this organisation specialises in delivering next-generation network infrastructure to clients in the financial and professional services sectors. Operating at enterprise scale, they design, implement, and optimise complex Cisco environments that demand the highest standards of performance, security, and reliability. \n\n You’ll join a collaborative and technically accomplished team that’s passionate about innovation and continuous learning. This is an ideal environment for a motivated engineer looking to take the next step in their Cisco career, working on enterprise-level transformation projects alongside some of the industry’s most respected experts. \n\n Roles & Responsibilities \n As a Senior Network Engineer, you’ll be responsible for designing, implementing, and maintaining advanced Cisco network solutions across large-scale financial and enterprise environments. \n\n Key responsibilities include: \n Designing, configuring, and deploying Cisco-based network infrastructure. \n Supporting enterprise network transformation and optimisation projects. \n Collaborating with consultants, architects, and client stakeholders on solution delivery. \n Providing hands-on technical guidance and troubleshooting for complex network issues. \n Keeping up to date with emerging technologies and Cisco best practices. \n Assisting in automation, SDN, and cloud-network integration projects (ACI, SD-WAN, DNA Center). \n\n Your Skills & Experience \n CCIE certified (Routing & Switching, Enterprise, or Data Center) - recently achieved or in progress. \n Strong hands-on experience with Cisco technologies including Nexus, ACI, Catalyst, ASA, and ISE. \n Exposure to or keen interest in automation and cloud-network integrations (ACI, SDN, SD-WAN, DNA Center). \n Proven experience supporting large-scale enterprise or financial services environments. \n Excellent communication skills with the ability to engage with technical and non-technical stakeholders. \n Strong analytical mindset and problem-solving abilities. \n\n Company Benefits \n Hybrid working (3 days per week onsite in London). \n Opportunity to work on high-profile financial sector projects. \n Structured career development and training support. \n Access to leading Cisco technologies and next-gen network environments. \n Collaborative, technically driven team culture. \n\n\n JOB ID: #3460242

Job Title: DevOps Engineer Location: London / Hybrid - (Mainly remote with infrequent travel)\n Employment: Contract \n Duration : (3 months rolling contract)\n\n Strategic guidance for secure adoption and use of SaaS & PaaS platforms and services in the Microsoft, Google & Atlassian ecosystem, MongoDB Atlas and other first-party platforms developed by M&S. The services include databases, API gateways, code repositories, integration services, and others·\n Technical consulting to identify misconfigurations and reduce platform risk, helping raise organizational awareness of risks and best practices by participating in workshops, documentation efforts, and knowledge sharing·\n Support for secure design and integration of tools across business programs, providing access & configuration reviews for the various platforms; contributing to the implementation of platform security standards, policies, and baselines under guidance from senior team members; building a culture of security by promoting automation, repeatable patterns, and consistent practices across teams·\n Automation of security checks, configuration reviews, and access hygiene, including assistance in security integration into CI/CD pipelines, contributing to automated checks (e.g., GitHub Actions) that identify misconfigurations, vulnerabilities, and policy violations·\n Collaboration with platform teams and vendors to help evaluate and integrate security tools, ensuring smooth adoption across new and existing services. \n Solid understanding of security principles and architecture, particularly for databases and APIs·\n~ Understanding of Platform & Configuration Security, and Platform Monitoring, Response and Governance·\n~ Scripting (Python, Bash) for task automation and terraform for IAC·\n~ 3 years of hands-on experience in platform or infrastructure security, with a strong interest in building skills in this area. \n~ Good communication and teamwork skills, with the ability to collaborate with platform, DevOps, and security teams. \n~ Exposure to or interest in learning how security policies, standards, and governance frameworks are applied to APIs and databases. \n Understanding of Data Protection & Privacy·\n Security+, AWS/Azure/GCP fundamentals) is encouraged. \n Foundational understanding of cloud security principles and an eagerness to learn more about securing APIs and databases in cloud environments. \n Awareness of container security basics and interest in learning how to secure deployment workflows, access controls, and monitoring for APIs and data services.

Senior Flutter Engineer (Contract)#128176; Location: Remote first with occasional visits to central London office (no more than 1 or 2 times per month for workshops)\n\n We are working with a Series A startup that recently secured a £20m round. They are looking for 2 x exceptional Flutter Engineers to join a high-impact, greenfield project. This is an opportunity to build an enterprise-grade, cross-platform application from the ground up — with a strong emphasis on security, performance, and reliability . \n\n#Architect and implement high-quality, modular Flutter components for a real-time coordination platform. \n Drive best practices in testing, CI/CD, and automated release processes. \n Collaborate with backend engineers to integrate secure APIs and encrypted data flows. \n Contribute to defining a scalable, test-driven frontend architecture used across multiple device types. \n\n#4+ years of professional Flutter experience (7+ in mobile engineering overall). \n~ Strong grasp of application security , cryptography, and secure data handling. \n~ Deep knowledge of Flutter testing frameworks , CI/CD, and modern state management (e.g. Excellent communication and collaboration skills in remote/distributed teams. \n\n\n#Bonus Points \n Familiarity with Flutter FFI or writing SDKs/libraries. \n\n This is a contract for engineers who thrive on solving hard problems — where security, design excellence, and real-world impact all meet. \n\n#At Pixelated People, we don’t just do inclusion and diversity.

Infrastructure Engineer – Azure / Microsoft / Security \n £65,000 + Bonus + Benefits \n Hybrid – South West London (3 days onsite) \n Quant Capital are partnering with a fast-growing FinTech scale-up hiring an Infrastructure Engineer to own their core platform across cloud, networking and security. This role suits someone who understands high availability, engineers with discipline, and cares about building secure, reliable systems at scale. \n You’ll design, operate and improve hybrid Microsoft/Azure infrastructure while acting as a senior escalation point for the business. \n Engineer, maintain and evolve hybrid Microsoft infrastructure \n Deliver uptime-focused projects across networking, cloud and security \n Improve performance across identity, access and connectivity \n 5+ years in infrastructure engineering or systems engineering \n~ Strong Microsoft environment expertise: \n~ Windows Server, AD/Entra ID, Group Policy, O365, Intune \n~ Solid networking foundations: \n~ Azure engineering background: \n~ Governance, networking, identity and security configuration \n~ Exposure to data centre deployments

Senior Flutter Engineer (Contract)#128176; Location: Remote first with occasional visits to central London office (no more than 1 or 2 times per month for workshops)\n\n We are working with a Series A startup that recently secured a £20m round. They are looking for 2 x exceptional Flutter Engineers to join a high-impact, greenfield project. This is an opportunity to build an enterprise-grade, cross-platform application from the ground up — with a strong emphasis on security, performance, and reliability . \n\n#Architect and implement high-quality, modular Flutter components for a real-time coordination platform. \n Drive best practices in testing, CI/CD, and automated release processes. \n Collaborate with backend engineers to integrate secure APIs and encrypted data flows. \n Contribute to defining a scalable, test-driven frontend architecture used across multiple device types. \n\n#4+ years of professional Flutter experience (7+ in mobile engineering overall). \n~ Strong grasp of application security , cryptography, and secure data handling. \n~ Deep knowledge of Flutter testing frameworks , CI/CD, and modern state management (e.g. Excellent communication and collaboration skills in remote/distributed teams. \n\n\n#Bonus Points \n Familiarity with Flutter FFI or writing SDKs/libraries. \n\n This is a contract for engineers who thrive on solving hard problems — where security, design excellence, and real-world impact all meet. \n\n#At Pixelated People, we don’t just do inclusion and diversity.

Senior Machine Learning Engineer £100,000 - £120,000 - London | Hybrid (2/3 days onsite). \n\n I've partnered with a fast-growing technology company applying advanced AI to tough, real-world data problems. Their systems power automation and smarter decision-making in complex operational settings solutions, helping improve operational efficiency and reliability across energy firms worldwide. \n\n With strong R&D backing and a really high-calibre technical team, this is a rewarding pportunity to join a cutting-edge product group applying modern ML with tangeable environmental impact. \n\n As a Machine Learning Engineer, you will: \n Build and deploy ML models that drive decision-making and automation in complex physical systems \n Productionise research-grade ML using modern MLOps tooling \n 5+ years’ experience in machine learning engineering (some research is fine but this should be coupled with strong and referencable applied work in production.)\n~ Strong Python plus frameworks such as PyTorch - production experience with Docker / AWS \n~ Experience with time-series forecasting / analysis \n~ 30 days annual leave + bank holidays \n~ High-impact sustainability projects, seeing your work in production not just shelved \n~

Job Title: Senior Data Engineer \n Base Location: London OR Glasgow based (Hybrid – 2 days per week in office)\n\n\n The KPMG Tax & Legal Technical Engineering function is a cornerstone of our business. We do work that matters to our local business and communities – supporting technical innovation and adoption of cutting edge solutions across the United Kingdom. This team will be responsible for delivering technology enabled outcomes across the Tax & Legal business using modern and best in class engineering methodologies. We drive this transformation through the adoption of Cloud based technologies and have strategic relationships with Google, Microsoft among others. We have a technology agnostic view and select the right tool/language/cloud provider to achieve the best outcome for the business and our clients alike. \n KPMG is one of the world's largest and most respected consultancy businesses, we've supported the UK through times of war and peace, prosperity and recession, political and regulatory upheaval. Why Join the KPMG Tax & Legal Technology Engineering team as Senior Data Engineer \n\n We might be world leaders in Tax & Legal, but in many ways the engineering department feels like a start-up, with a twist. There’s the buzz of scrum working, the thrill of shaping compelling experiences, the chance to surprise and stretch yourself in response to a fresh challenge. And then there’s all the resources, technology and high-profile projects of a major corporate entity. Crucially, we also offer the benefit of clear career progression. \n\n We are seeking a Senior Data Engineer with strong experience in Cloud data platforms, API integration, and modern data engineering tools to help deliver our Tax & Legal data and analytics strategy. You’ll work closely with Lead Engineers, Architects, Product Owners, and BI Developers to design and implement scalable, high-performance data solutions. \n This is a hands-on engineering role involving the design, development, and deployment of cloud-based data pipelines, integrations, and analytics-ready datasets. You will collaborate with Data Architects and Data engineers’ firm wide to align to best practice and the firms Data management policy. \n \n\n Proven experience working as a data engineer or software engineer working on Cloud data platforms, especially Azure. \n Strong hands-on experience with Azure Data Factory and Azure Databricks (or Microsoft Fabric). \n Solid understanding of data modelling, ETL/ELT processes, and data warehousing. \n Proficiency in SQL and Python (especially PySpark), as well as other relevant programming languages. \n Passion for using data to drive key business decisions. \n\n Experience with Microsoft Fabric. \n Familiarity with other cloud platforms (AWS, GCP). \n Experience integrating with ERP systems such as SAP, Oracle, or Netsuite. \n Experience with Azure Synapse (dedicated and serverless pools), Azure Data Lake, and Azure SQL. \n Familiarity working in a DevOps environment. \n Microsoft Graph APIs). \n\n To discuss this or wider Technology roles with our recruitment team, all you need to do is apply, create a profile, upload your CV and begin to make your mark with KPMG. \n\n We are open to talk to talent across the country but preference will be given to candidates who are willing and able to do 2 days per week in one of our core Tech hubs for this role, which are: \n\n We can potentially facilitate flexible hours, and part-time options. Technology and Engineering at KPMG : \n ITs Her Future Women in Tech programme: \n KPMG Workability and Disability confidence: \n\n Applying to KPMG: \n Tips for interview: \n KPMG values: \n KPMG Competencies:

Infrastructure Engineer – Azure / Microsoft / Security \n £65,000 + Bonus + Benefits \n Hybrid – South West London (3 days onsite) \n Quant Capital are partnering with a fast-growing FinTech scale-up hiring an Infrastructure Engineer to own their core platform across cloud, networking and security. This role suits someone who understands high availability, engineers with discipline, and cares about building secure, reliable systems at scale. \n You’ll design, operate and improve hybrid Microsoft/Azure infrastructure while acting as a senior escalation point for the business. \n Engineer, maintain and evolve hybrid Microsoft infrastructure \n Deliver uptime-focused projects across networking, cloud and security \n Improve performance across identity, access and connectivity \n 5+ years in infrastructure engineering or systems engineering \n~ Strong Microsoft environment expertise: \n~ Windows Server, AD/Entra ID, Group Policy, O365, Intune \n~ Solid networking foundations: \n~ Azure engineering background: \n~ Governance, networking, identity and security configuration \n~ Exposure to data centre deployments

Our client is a leading global investment management firm operating a multi-strategy platform that combines cutting-edge technology with deep fundamental and quantitative research. With a presence across major financial centres in a collaborative global footprint spanning London, New York, and Asia, the firm manages a diverse portfolio across asset classes and strategies, supported by a world-class infrastructure and proprietary technology stack. \n\n The organisation is renowned for its collaborative, high-performance culture, one that empowers engineers to design, build, and operate systems that directly enable trading and investment decision-making. With trading volumes, data analytics, and cloud integration scaling rapidly, the firm is expanding its core network engineering function to ensure its systems remain ultra-low latency, secure, and globally consistent. This is a key hire in building the next generation of network architecture supporting the firm’s ambitious technology roadmap. \n\n Competitive base salary and performance-related bonus \n Private healthcare and pension contributions \n Opportunities for professional development and advanced certifications \n As a Senior Network Engineer, you’ll play a central role in maintaining and evolving the firm’s global data and voice network. You’ll design and deliver projects that support both trading operations and broader business initiatives across data centres, offices, and cloud environments. \n\n Owning and supporting the global network and voice infrastructure \n Designing, implementing, and optimising secure, scalable network solutions \n Partnering with internal teams and external vendors to resolve complex network issues \n Leading infrastructure projects involving data centres, telephony, and cloud connectivity \n Performing proactive monitoring, maintenance, capacity planning, and performance tuning \n Minimum 5 years’ experience supporting enterprise-level data and voice networks \n Solid experience in financial or trading environments preferred \n BGP, OSPF, HSRP, spanning tree, VPNs, dot1x, ACI fabric \n AWS Direct Connect and Transit Gateways \n Knowledge of Cisco ISE and network automation (Terraform desirable)

Senior Software Engineer \n\n At Nando’s, we’re building scalable, data-driven solutions that keep our restaurants safe, compliant, and thriving every day. This is more than just code – it’s about creating technology that directly supports the people running our restaurants and the communities we serve ❤️. \n\n\n The Safety & RMD Team \n We’re looking for a Senior Software Engineer to join our Safety & Restaurant Master Database (RMD) team. We build two critical product lines: safety and compliance systems that help restaurant teams report incidents and manage compliance, and the Restaurant Master Database – the single source of truth for operational data that drives decision-making across Nando’s. Our team is collaborative, supportive, and passionate about building solutions that make a real impact . \n\n\n You’ll play a key role in shaping and delivering solutions, working side-by-side with product managers, data specialists, and restaurant teams to ensure we’re solving the right problems in the right way. You’ll take end-to-end ownership of features – from understanding the challenge through to implementation, deployment, monitoring, and continuous improvement. Along the way, you’ll be encouraged to share ideas, grow your skills, and develop your career in an environment where inclusion, teamwork, and progression are central to everything we do. \n\n\n You’ll have clear opportunities to grow as an engineer and as a leader, with mentoring, training, and the space to take your career wherever you want it to go. \n Designing, building, and improving event-driven workflows using Cloud Functions and Pub/Sub \n helping to shape the infrastructure via Terraform including our Firestore setup ⚡\n Leading with technical excellence: shaping architectural decisions, championing TypeScript best practices, and nurturing a strong testing and observability culture #128200;\n Supporting your teammates through pairing, code reviews, and mentoring – helping everyone grow together #128172;\n\n\n Skilled in TypeScript across the stack (Node.js with Koa/Express and React or similar)\n Confident with databases (Firestore or other NoSQL) and infrastructure patterns (Terraform/IaC)\n Excited by ownership – you care about what happens after code is shipped #128674; Familiarity with observability practices like logging, tracing, and monitoring #128269;\n\n\n Inspired by our Southern African heritage, we know and celebrate the richness that diversity brings. We are proud of our culture of inclusion and collaboration, and we’ll support you with any reasonable adjustments you might need during the recruitment process #129330;.

Senior Python Engineer | London \n We’re partnering with a high-growth AI startup that’s building intelligent automation systems designed to simplify complex, real-world operations. Their platform is already redefining how data, workflow, and human decision-making come together — and they’re scaling fast. \n\n If you’re excited by the idea of joining an elite engineering team tackling deep technical problems in AI, automation, and scalable software systems, this could be the role for you. \n\n As a Senior Python Engineer , you’ll take ownership of backend design and development, helping to shape the architecture behind cutting-edge AI-driven platforms. You’ll work closely with AI and product teams to bring intelligent features into production — solving high-impact problems with clean, scalable code. \n\n Architect, design, and build robust backend systems and APIs using Python. \n Collaborate with AI and data teams to integrate models into production environments. \n Optimise and scale distributed systems and data pipelines for performance and reliability. \n Maintain best practices for testing, CI/CD, and documentation. \n\n Strong academic foundation in Computer Science, Engineering, or related discipline. \n Deep expertise in Python and frameworks such as FastAPI, Flask, or Django. \n~ Proven experience building and scaling APIs in cloud environments (GCP, AWS, or Azure). \n~ Bonus Points For: \n Experience in AI-driven or automation-heavy environments. \n Exposure to PropTech, data-heavy SaaS platforms, or real-world workflow automation. \n Competitive salary + equity options. \n The opportunity to help shape the foundation of a next-generation AI company.

Lead Developer Remote - London (2-4 Times Per Month)\n Up to £65,000 + Benefits \n\n We’re working with a world-renowned organisation at the forefront of science and digital innovation who are looking for a Lead Developer to join a major national programme. This is a fantastic opportunity to take ownership of building and leading a team delivering cutting-edge digital infrastructure that will transform how vital scientific data is accessed and shared across the UK and beyond. \n\n The role \n As Lead Developer, you’ll provide senior technical direction and hands-on expertise in designing and implementing scalable, secure infrastructure. You’ll be responsible for shaping architectural decisions, integrating cloud-based and bespoke solutions, and ensuring robust delivery of complex technical projects. Alongside this, you’ll build and mentor a small but growing engineering team while collaborating closely with programme managers, senior stakeholders, and technical partners. \n\n Key responsibilities: \n Lead and grow a technical team delivering a new digital infrastructure programme. \n Provide hands-on technical input, writing high-quality code and driving architecture decisions. \n Design and implement secure, scalable backend systems and cloud infrastructure. \n Build robust data pipelines to manage and mobilise large-scale datasets. \n Collaborate with external suppliers, partners, and stakeholders to align delivery. \n\n What we’re looking for: \n At least 5 years of experience delivering full-stack software development (Python backend, JavaScript frontend). \n Strong background in backend infrastructure – SQL/NoSQL, event stores, cloud storage. \n Proven experience in architecting secure, scalable systems in AWS, Azure, or GCP. \n Experience with CI/CD pipelines, agile delivery, and technical leadership. \n Excellent communication skills and ability to work with senior stakeholders. \n\n What’s on offer: \n Salary up to £65,000\n Hybrid working – 1 day per week in London, with some UK travel \n Generous annual leave and pension scheme \n Wellbeing and flexible working support \n A unique opportunity to contribute to a nationally significant digital transformation programme with global impact \n\n If you’re a technically strong, forward-thinking engineer ready to step into a leadership role, this is your chance to make a real impact.

React Native Developer - London - Hybrid Working - £90,000-£100,000 p/a - React Native, TypeScript, Some knowledge of Objective-C/Swift/Java/Kotlin \n Christopher Ali are recruiting on behalf of a prestigious data company who are on the lookout for a Senior React Native Developer to join their team. \n\n The role will require 1 day per week working on-site in London. \n\n Proven experience (apps in the app store) building beautiful React Native applications. \n Proven experience working from professional designs (Figma, etc) & building out custom components. \n A deep understanding & appreciation of UX. The company have got an ambitious roadmap that includes effectively a multi-stage full rebuild of the react native app to shed technical debt and allow them to greatly improve functionality for users. You’ll be working with stakeholders, designers & backend developers to plan & be part of delivering multi-discipline projects. \n As the sole react native engineer you’ll have full responsibility of the codebase, so they'll want you to be comfortable with architectural decisions & managing your own time. You’ll have the freedom to decide the strategy for approaching these decisions & creating an app that is maintainable in the long term. \n UI goes from ideation within the tech team, to wireframes you’ll have a part in building, to a designer who will produce designs in Figma. It’ll be your responsibility to implement true to design and work with the designer to fine-tune interactions, animations and other moments of delight for our users. \n You’ll be expected to regularly liaise with the other engineers in the business of different disciplines to help decide the best approach to multi-discipline technical projects.

Senior Machine Learning Engineer - Computer Vision \n Paying up to £110k + 7.5% bonus + $10,000 in share (yearly)\n London - 1 day a week \n I am currently working with a global leader within SportsTech, who are currently expanding their AI offerings and are looking to hire Senior MLOps Engineers. \n\n Their platform captures, analyses, and delivers insights from live video to transform how sports teams perform at every level, with a strong emphasis in professional sport. You'll work on projects that scale across thousands of live events globally, developing new experiences and insights that power the future of sports. The team are all using Computer Vision so an understanding of how this works is beneficial but not essential. \n\n Deliver at scale: deploy ML models across cloud and edge platforms, scaling to thousands of simultaneous matches. \n Lead impactful projects: Deep experience with Python and/or C++, plus proficiency with Kubernetes, TensorRT, Nvidia DeepStream, Nvidia Jetson, and AWS. \n Demonstrated success delivering AI/ML products in collaboration with cross-functional product teams. \n Solid track record building and managing AI/ML systems in production environments at scale. \n\n Background applying AI/ML in the sports domain for data generation or insights. \n Senior Machine Learning Engineer - Computer Vision

Data Engineer x4 days a week in their London office \n\n Join a fast-scaling, product-led tech company on a mission to transform how their sector performs in real time. With a strong focus on data-led decision-making and seamless mobile experiences, this team is building out their next-generation data infrastructure, and they’re looking for another Data Engineer to help drive that forward. \n\n This is an exciting opportunity to shape the way data flows through a live product used by thousands, while working closely with analytics, engineering, and commercial teams. You’ll be joining a small, high-impact team, reporting to a technical leader with a strong background in applied data architecture. \n\n Designing, building, and maintaining scalable data pipelines to power both internal analytics and customer-facing mobile/web applications \n Developing robust ETL processes for ingesting and transforming data from a variety of sources, particularly APIs \n Creating and optimising data architectures to ensure efficient data storage, processing, and retrieval \n Supporting backend integrations (Python, Django) to ensure clean interfacing between data systems and applications \n Collaborating with stakeholders across Data Science, Product, Ops, and Commercial to shape data models that meet the needs of a growing business \n Supporting CI/CD, data versioning, and monitoring to ensure the reliability and accuracy of production pipelines \n Driving improvements in data access, documentation, and visualisation across the organisation \n\n Proven experience designing and maintaining data pipelines in production environments \n Strong Python and SQL skills; Solid understanding of data modelling, architecture, and warehousing best practices \n Comfort working with cloud platforms (AWS, Azure) and infrastructure tools (e.g. Willingness to gain intermediate-level backend development skills (especially with Python/Django)\n Bonus: experience with data lakes, CI/CD, and data quality/versioning tools

Senior Software Engineer / Developer (Python FastAPI Data) London to £90k \n Are you a data centric Software Engineer with strong Python and SQL skills? \n You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cybersecurity insurance markets. \n As a Senior Software Engineer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs within an Azure environment with Databricks. You'll participate in the design and implementation of advanced mechanisms for data ingestion, transformation, mass parallel orchestration of network IO and will model data for a variety of purposes. \n Location / WFH: \n There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. \n You have strong Python backend software engineering skills \n You have experience of building FastAPIs \n You have a good knowledge of public cloud services, they're using Azure but experience with AWS or GCP is fine \n You have experience of working with data at scale \n You have strong SQL skills (PostgreSQL, SQL Server and ideally Databricks, or happy to learn it)\n You have a thorough knowledge of Computer Science fundamentals including Data Structures, Design Patterns, OOP \n As a Senior Software Engineer you will receive a competitive package: \n \n~ Salary to £90k + bonus \n Private Medical Insurance (including dental and optical cashback)\n~ Life Insurance, Income Protection \n~ Pension \n~ Subsidised gym membership \n~ Season ticket loan \n~ Employee Assistance Programme \n~ Impactful role with great career progression \n\n Apply now to find out more about this Senior Software Engineer / Developer (Python FastAPI Data) opportunity. \n At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Senior Machine Learning Engineer £100,000 - £120,000 - London | Hybrid (2/3 days onsite). \n\n I've partnered with a fast-growing technology company applying advanced AI to tough, real-world data problems. Their systems power automation and smarter decision-making in complex operational settings solutions, helping improve operational efficiency and reliability across energy firms worldwide. \n\n With strong R&D backing and a really high-calibre technical team, this is a rewarding pportunity to join a cutting-edge product group applying modern ML with tangeable environmental impact. \n\n As a Machine Learning Engineer, you will: \n Build and deploy ML models that drive decision-making and automation in complex physical systems \n Productionise research-grade ML using modern MLOps tooling \n 5+ years’ experience in machine learning engineering (some research is fine but this should be coupled with strong and referencable applied work in production.)\n~ Strong Python plus frameworks such as PyTorch - production experience with Docker / AWS \n~ Experience with time-series forecasting / analysis \n~ 30 days annual leave + bank holidays \n~ High-impact sustainability projects, seeing your work in production not just shelved \n~

Job Title: DevOps Engineer Location: London / Hybrid - (Mainly remote with infrequent travel)\n Employment: Contract \n Duration : (3 months rolling contract)\n\n Strategic guidance for secure adoption and use of SaaS & PaaS platforms and services in the Microsoft, Google & Atlassian ecosystem, MongoDB Atlas and other first-party platforms developed by M&S. The services include databases, API gateways, code repositories, integration services, and others·\n Technical consulting to identify misconfigurations and reduce platform risk, helping raise organizational awareness of risks and best practices by participating in workshops, documentation efforts, and knowledge sharing·\n Support for secure design and integration of tools across business programs, providing access & configuration reviews for the various platforms; contributing to the implementation of platform security standards, policies, and baselines under guidance from senior team members; building a culture of security by promoting automation, repeatable patterns, and consistent practices across teams·\n Automation of security checks, configuration reviews, and access hygiene, including assistance in security integration into CI/CD pipelines, contributing to automated checks (e.g., GitHub Actions) that identify misconfigurations, vulnerabilities, and policy violations·\n Collaboration with platform teams and vendors to help evaluate and integrate security tools, ensuring smooth adoption across new and existing services. \n Solid understanding of security principles and architecture, particularly for databases and APIs·\n~ Understanding of Platform & Configuration Security, and Platform Monitoring, Response and Governance·\n~ Scripting (Python, Bash) for task automation and terraform for IAC·\n~ 3 years of hands-on experience in platform or infrastructure security, with a strong interest in building skills in this area. \n~ Good communication and teamwork skills, with the ability to collaborate with platform, DevOps, and security teams. \n~ Exposure to or interest in learning how security policies, standards, and governance frameworks are applied to APIs and databases. \n Understanding of Data Protection & Privacy·\n Security+, AWS/Azure/GCP fundamentals) is encouraged. \n Foundational understanding of cloud security principles and an eagerness to learn more about securing APIs and databases in cloud environments. \n Awareness of container security basics and interest in learning how to secure deployment workflows, access controls, and monitoring for APIs and data services.

Job Title: Senior Network Engineer - Cisco Professional Services Location: London (3 days onsite per week)\n Salary: £90,000\n\n The Company \n A leading Cisco Professional Services Partner, this organisation specialises in delivering next-generation network infrastructure to clients in the financial and professional services sectors. Operating at enterprise scale, they design, implement, and optimise complex Cisco environments that demand the highest standards of performance, security, and reliability. \n\n You’ll join a collaborative and technically accomplished team that’s passionate about innovation and continuous learning. This is an ideal environment for a motivated engineer looking to take the next step in their Cisco career, working on enterprise-level transformation projects alongside some of the industry’s most respected experts. \n\n Roles & Responsibilities \n As a Senior Network Engineer, you’ll be responsible for designing, implementing, and maintaining advanced Cisco network solutions across large-scale financial and enterprise environments. \n\n Key responsibilities include: \n Designing, configuring, and deploying Cisco-based network infrastructure. \n Supporting enterprise network transformation and optimisation projects. \n Collaborating with consultants, architects, and client stakeholders on solution delivery. \n Providing hands-on technical guidance and troubleshooting for complex network issues. \n Keeping up to date with emerging technologies and Cisco best practices. \n Assisting in automation, SDN, and cloud-network integration projects (ACI, SD-WAN, DNA Center). \n\n Your Skills & Experience \n CCIE certified (Routing & Switching, Enterprise, or Data Center) - recently achieved or in progress. \n Strong hands-on experience with Cisco technologies including Nexus, ACI, Catalyst, ASA, and ISE. \n Exposure to or keen interest in automation and cloud-network integrations (ACI, SDN, SD-WAN, DNA Center). \n Proven experience supporting large-scale enterprise or financial services environments. \n Excellent communication skills with the ability to engage with technical and non-technical stakeholders. \n Strong analytical mindset and problem-solving abilities. \n\n Company Benefits \n Hybrid working (3 days per week onsite in London). \n Opportunity to work on high-profile financial sector projects. \n Structured career development and training support. \n Access to leading Cisco technologies and next-gen network environments. \n Collaborative, technically driven team culture. \n\n\n JOB ID: #3460242

Senior Machine Learning Engineer £100,000 - £120,000 - London | Hybrid (2/3 days onsite). \n\n I've partnered with a fast-growing technology company applying advanced AI to tough, real-world data problems. Their systems power automation and smarter decision-making in complex operational settings solutions, helping improve operational efficiency and reliability across energy firms worldwide. \n\n With strong R&D backing and a really high-calibre technical team, this is a rewarding pportunity to join a cutting-edge product group applying modern ML with tangeable environmental impact. \n\n As a Machine Learning Engineer, you will: \n Build and deploy ML models that drive decision-making and automation in complex physical systems \n Productionise research-grade ML using modern MLOps tooling \n 5+ years’ experience in machine learning engineering (some research is fine but this should be coupled with strong and referencable applied work in production.)\n~ Strong Python plus frameworks such as PyTorch - production experience with Docker / AWS \n~ Experience with time-series forecasting / analysis \n~ 30 days annual leave + bank holidays \n~ High-impact sustainability projects, seeing your work in production not just shelved \n~

Job Title: DevOps Engineer Location: London / Hybrid - (Mainly remote with infrequent travel)\n Employment: Contract \n Duration : (3 months rolling contract)\n\n Strategic guidance for secure adoption and use of SaaS & PaaS platforms and services in the Microsoft, Google & Atlassian ecosystem, MongoDB Atlas and other first-party platforms developed by M&S. The services include databases, API gateways, code repositories, integration services, and others·\n Technical consulting to identify misconfigurations and reduce platform risk, helping raise organizational awareness of risks and best practices by participating in workshops, documentation efforts, and knowledge sharing·\n Support for secure design and integration of tools across business programs, providing access & configuration reviews for the various platforms; contributing to the implementation of platform security standards, policies, and baselines under guidance from senior team members; building a culture of security by promoting automation, repeatable patterns, and consistent practices across teams·\n Automation of security checks, configuration reviews, and access hygiene, including assistance in security integration into CI/CD pipelines, contributing to automated checks (e.g., GitHub Actions) that identify misconfigurations, vulnerabilities, and policy violations·\n Collaboration with platform teams and vendors to help evaluate and integrate security tools, ensuring smooth adoption across new and existing services. \n Solid understanding of security principles and architecture, particularly for databases and APIs·\n~ Understanding of Platform & Configuration Security, and Platform Monitoring, Response and Governance·\n~ Scripting (Python, Bash) for task automation and terraform for IAC·\n~ 3 years of hands-on experience in platform or infrastructure security, with a strong interest in building skills in this area. \n~ Good communication and teamwork skills, with the ability to collaborate with platform, DevOps, and security teams. \n~ Exposure to or interest in learning how security policies, standards, and governance frameworks are applied to APIs and databases. \n Understanding of Data Protection & Privacy·\n Security+, AWS/Azure/GCP fundamentals) is encouraged. \n Foundational understanding of cloud security principles and an eagerness to learn more about securing APIs and databases in cloud environments. \n Awareness of container security basics and interest in learning how to secure deployment workflows, access controls, and monitoring for APIs and data services.

Senior Full Stack Engineer | Node.js & SQL | Data‑Heavy FinTech Platform \n You’ll join a 50‑person, London/US SaaS scale‑up serving top‑tier investment firms with a market‑leading, data analytics platform for global credit investors (think Reuters and Bloomberg)\n\n The engineering org is London‑based (circa 13–14 people across DevOps, Frontend, AI/ML, Backend, and QA). Everything is the latest and greatest tech in the cloud, serverless etc. \n\n The office is based in Victoria and the team go in twice a week (Mondays & Wednesdays) for collaboration meetings. \n\n The Role \n In this role, 80% of your time will be spent on development (Node.js) and 20% of your time leading projects. When you're developing, 90% of this time will be working on Node.js code with a light 10% frontend touch, designing and delivering features end‑to‑end while helping re‑architect a platform that processes billions of rows of financial data. You’ll drive architectural decisions, own services to production, and contribute to how massive datasets are modelled, partitioned, and served to customers. \n\n Non‑Negotiables: \n Node.js backend development \n~ SQL mastery with experience of working with large‑scale, data‑heavy systems (our client has billions of rows)\n~ Architectural design experience and comfort with frequent releases/peer review \n~ Product mindset and ownership from build to deploy in an agile environment \n\n\n What You’ll Work With \n Backend: Node.js (plus some Python, C++)\n Frontend: JavaScript (Vue.js) & TypeScript \n Data: PostgreSQL & DynamoDB \n Cloud & CI/CD: AWS Lambda, GitHub Actions \n\n Nice to Haves \n Financial services or large‑scale market data experience \n Python & C++ Development experience \n Database partitioning/re‑architecture exposure \n Mentoring/tech‑lead experience (or appetite to step up)\n Modern software engineering/development practices, including micro-services, agile, TDD, etc. and common system integration patterns \n Knowledge of AWS services and IaC \n\n Why Join / Projects \n Re‑architect and scale core services powering a must‑have analytics product \n Get the product ready for some serious scale & growth \n Shape data models and access patterns for huge datasets and new product lines (beyond bonds & credit into new systems like loans, etc.)\n High‑trust engineering culture: own your code to production with you personally making 10–12 deploys per day \n Direct impact on customers who analyse and ingest your data via APIs at a serious scale \n Clear growth path with potential to move into team leadership \n\n Employee Benefits \n~ Salary: £100,000–120,000 circa \n~ Hybrid: 2 days in‑office (Mondays & Wednesdays, non‑negotiable) in Victoria area, London \n~ Pension scheme; private medical; basic on‑site gym access \n~25 days’ holiday plus bank holidays; learning & development; team events; cycle to work; choice of quality hardware \n\n\n A great role here and the chance to work with an awesome team. Apply ASAP!\n\n Senior Full Stack Engineer | Node.js & SQL | Data‑Heavy FinTech Platform

Job Title: Senior Technology & Automation Engineer (Infrastructure & Cloud) Location: London \n\n As the Senior Technology & Automation Engineer in the TechOps & Project Delivery team, you will be required to support the design, implementation, and optimization of enterprise infrastructure systems. The ideal candidate will possess technical expertise across multiple infrastructure domains including networking, cloud platforms, virtualization, data centre operations, and cybersecurity. A solid understanding of Citrix technologies such as application and desktop virtualisation, session management and load balancing, and Citrix cloud management will be key, alongside key networking technologies such as Cisco LAN/WAN/WIFI and Palo Alto firewalls. \n There will be a requirement to help develop, design and drive new initiatives in AI and Automation to enhance working practices across all business lines. \n The individual will report directly to the Head of Technical Operations (Project, Delivery and Engineering) and may work closely with infrastructure support teams. \n Architecture Design & Planning \n Serve as part of a group of technical authority for all infrastructure-related initiatives, ensuring alignment with organizational goals and IT strategies. \n Design and implement resilient, scalable, and secure infrastructure solutions across on-premises, hybrid, and cloud environments (e.g., AWS, Azure, GCP) for M&A activities. \n Participate and lead troubleshooting efforts for complex infrastructure issues and ensure root cause analysis and documentation. \n Participate in and lead infrastructure assessments, capacity planning, and performance tuning. \n Ensure compliance with industry regulations, corporate policies, and SLAs. \n\n Stay current with emerging AI technologies and industry trends. \n Participate in knowledge sharing within the organization and broader community. \n\n Work closely with business analysts, project managers, and subject matter experts to understand requirements. \n Drive AI and Automation opportunities for the business where appropriate. \n Provide technical mentorship to fellow TechOps & Delivery team members and act as a consultant to cross-functional project teams. \n Risk Assessment & Compliance \n Collaborate with information security teams to implement best practices, including hardening, patching, and threat mitigation. \n Ensure solutions comply with security, regulatory, and organizational standards. \n\n Bachelor’s degree in Information Technology, Computer Science, Engineering, or a related field (or equivalent experience). \n Networking (Cisco LAN/WAN, WIFI, Palo Alto firewalls, Infoblox, ZScaler)\n~ Cloud platforms (AWS, Azure, GCP)\n~ Operating systems (Windows Server, Linux)\n~ At least one industry certification such as AWS Certified Solutions Architect, Microsoft Certified: Azure Solutions Architect Expert, Cisco CCNP, VMware VCP, or CompTIA Security+.

Senior AI Engineer – Startup (AI Consultancy) - London (Hybrid) Upto £130k +shares \n We’re working with a fast growth AI Consultancy with offices in London, Manchester and Edinburgh. The business is under a year old and currently sitting at 50 people, generating revenue with a range of AI projects including fact extraction, conversational AI, Co-pilots, knowledge graphs, spanning across a variety of clients such as Investments, Insurance, F&B and CPG. \n\n The founders have proven experience in building a consultancy from scratch and exiting, having previously built a Data Science consultancy and successfully sold to a ‘big 4’ , they are on course to replicate their success here. \n\n This has fuelled rapid growth in the team and we are looking for Senior AI Engineers of different experience levels to join us in building the business by developing end2end LLM products for our clients. \n\n We’re looking for people that have experience building production ready AI solutions, to design, build and deploy AI solutions in collaboration with our clients. You’ll be applying some of the SOTA research in AI to develop applications. Background in foundational Computer Vision/NLP \n Strong Software Engineering skills (3 years+)\n Uptodate with current trends in AI \n Some experience with applying latest techniques like RAG architecture, GenAI, Parallel training etc \n\n The role is hybrid, with adhoc requirements to be on client premises (London) this could be between 1-3 days a week, so we would need someone that is flexible. \n This is a fantastic opportunity to work on a broad range of problems, applying SOTA AI solutions, in a high growth business, set for success and you will be rewarded with: \n\n~ Meaningful EMI shares (our proven history speaks for itself)\n Statutory pension contribution \n~ Private medical

Senior AI Engineer – Startup (AI Consultancy) - London (Hybrid) Upto £130k +shares \n We’re working with a fast growth AI Consultancy with offices in London, Manchester and Edinburgh. The business is under a year old and currently sitting at 50 people, generating revenue with a range of AI projects including fact extraction, conversational AI, Co-pilots, knowledge graphs, spanning across a variety of clients such as Investments, Insurance, F&B and CPG. \n\n The founders have proven experience in building a consultancy from scratch and exiting, having previously built a Data Science consultancy and successfully sold to a ‘big 4’ , they are on course to replicate their success here. \n\n This has fuelled rapid growth in the team and we are looking for Senior AI Engineers of different experience levels to join us in building the business by developing end2end LLM products for our clients. \n\n We’re looking for people that have experience building production ready AI solutions, to design, build and deploy AI solutions in collaboration with our clients. You’ll be applying some of the SOTA research in AI to develop applications. Background in foundational Computer Vision/NLP \n Strong Software Engineering skills (3 years+)\n Uptodate with current trends in AI \n Some experience with applying latest techniques like RAG architecture, GenAI, Parallel training etc \n\n The role is hybrid, with adhoc requirements to be on client premises (London) this could be between 1-3 days a week, so we would need someone that is flexible. \n This is a fantastic opportunity to work on a broad range of problems, applying SOTA AI solutions, in a high growth business, set for success and you will be rewarded with: \n\n~ Meaningful EMI shares (our proven history speaks for itself)\n Statutory pension contribution \n~ Private medical

Lead Developer Remote - London (2-4 Times Per Month)\n Up to £65,000 + Benefits \n\n We’re working with a world-renowned organisation at the forefront of science and digital innovation who are looking for a Lead Developer to join a major national programme. This is a fantastic opportunity to take ownership of building and leading a team delivering cutting-edge digital infrastructure that will transform how vital scientific data is accessed and shared across the UK and beyond. \n\n The role \n As Lead Developer, you’ll provide senior technical direction and hands-on expertise in designing and implementing scalable, secure infrastructure. You’ll be responsible for shaping architectural decisions, integrating cloud-based and bespoke solutions, and ensuring robust delivery of complex technical projects. Alongside this, you’ll build and mentor a small but growing engineering team while collaborating closely with programme managers, senior stakeholders, and technical partners. \n\n Key responsibilities: \n Lead and grow a technical team delivering a new digital infrastructure programme. \n Provide hands-on technical input, writing high-quality code and driving architecture decisions. \n Design and implement secure, scalable backend systems and cloud infrastructure. \n Build robust data pipelines to manage and mobilise large-scale datasets. \n Collaborate with external suppliers, partners, and stakeholders to align delivery. \n\n What we’re looking for: \n At least 5 years of experience delivering full-stack software development (Python backend, JavaScript frontend). \n Strong background in backend infrastructure – SQL/NoSQL, event stores, cloud storage. \n Proven experience in architecting secure, scalable systems in AWS, Azure, or GCP. \n Experience with CI/CD pipelines, agile delivery, and technical leadership. \n Excellent communication skills and ability to work with senior stakeholders. \n\n What’s on offer: \n Salary up to £65,000\n Hybrid working – 1 day per week in London, with some UK travel \n Generous annual leave and pension scheme \n Wellbeing and flexible working support \n A unique opportunity to contribute to a nationally significant digital transformation programme with global impact \n\n If you’re a technically strong, forward-thinking engineer ready to step into a leadership role, this is your chance to make a real impact.

Senior Software Engineer | AI-Powered Real Estate Startup We’re partnering with a fast-growing AI startup that’s transforming how investors make decisions in real estate.Their cloud-native SaaS platform combines street-level data, financial modelling, and machine learning to deliver smart