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Full Stack JavaScript Developer / Engineer (JavaScript Vue.Are you a collaborative JavaScript technologist?.You could be progressing your career as a Full Stack JavaScript Developer at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and

Full Stack Developer -Responsibilities. Full Stack Developer -Experience Required. Proven experience as a Full Stack Developer or simila.

NET Developer who have recently graduated from university and have a basic understanding of the. NET Developer, Graduate / Junior - Computer Gaming Company - London. NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, Graduate / Junior.

NET 9, Angular 19, Web API 2 - Watford. NET 9, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect,. NET Developer to help build the software applications and cloud platforms that they need to run advanced data analytics and capture information from the high

Full Stack Engineer / Developer (JavaScript / TypeScript Node.Would you like to work on complex and interesting AI based systems with a team of tech entrepreneurs?.You could be joining a growing start-up that is utilising Machine Learning and AI technology to revolutionise fish farming, improving fi

Job Tittle: Full Stack Developer - UI / React (Scala). Are you a passionate Full Stack Developer looking for an exciting opportunity to make a real impact? Join our client's dynamic team and be a part of a project that combines innovative technology with user-centric design! We are on the lookout fo

Full Stack Tech Lead Developers/Tech Leads Needed Fully Remote (UK) | Up to 85,000 Interviews happening this week & next decisions by end of the month Are you a Senior Developer ready to step into a Tech Lead role where you can shape products that truly make a difference? Were partnering with an industry leader at the forefront of digital innovation in health & social care. With offices in Bristol, Bournemouth, and London (and just one or two in-office days per month), this is a fully remote opportunity offering the chance to lead, innovate, and grow in a supportive, forward-thinking environment. What youll do • Take on a 70/30 hands-on vs. leadership splitcoding, architecting, and mentoring., • Lead a small, talented team of developers in an agile, product-focused environment (scrum)., • Work across a modern full-stack environment:, • Back end: Ruby on Rails, PHP (Symfony), • Front end: Vue.js, TypeScript, • Databases: MySQL, PostgreSQL, DynamoDB, • Others: Python, NodeJS (AWS Lambdas), AWS, CI/CD with GitHub Actions & Semaphore, • Design scalable, high-performance systems serving thousands of requests per minute., • Strong full-stack development experience with object-oriented languages (Ruby, PHP, Java, C#, etc.)., • Experience mentoring or leading developersor ready to take the next step into leadership., • Passion for clean code, collaboration, and continuous improvement., • Comfort with agile practicespair programming, code reviews, automated testing., • Up to 85,000 salary, • 25+ days leave + public holidays & extra days for length of service, • Private medical insurance, life assurance & enhanced maternity leave, • Pension contributions & Employee Assistance Programme, • Birthday day off & referral bonus scheme Interviews are happening this week and next apply now to secure your slot.

Full Stack Developer - London - Energy Trading - 140k \n RJC is working a Full Stack Developer role for a global energy trading company based in London. Working as part of the Global Analytics team within the Front Office, they are looking for someone to collaborate directly with the business and develop analytics applications utilised by commodity trading desks. \n\n The role demands expertise in energy market data, developing infrastructural components, and implementing full stack technology for commodities analytics. \n\n The ideal Full Stack Developer will have: \n\n Minimum 5+ years of experience working with C# and related .NET technologies \n Strong proficiency with front end development (preferably React), async patterns, and DOM manipulation \n Experience working in an agile scrum development model

Full Stack Developer - London - Energy Trading - 140k \n RJC is working a Full Stack Developer role for a global energy trading company based in London. Working as part of the Global Analytics team within the Front Office, they are looking for someone to collaborate directly with the business and develop analytics applications utilised by commodity trading desks. \n\n The role demands expertise in energy market data, developing infrastructural components, and implementing full stack technology for commodities analytics. \n\n The ideal Full Stack Developer will have: \n\n Minimum 5+ years of experience working with C# and related .NET technologies \n Strong proficiency with front end development (preferably React), async patterns, and DOM manipulation \n Experience working in an agile scrum development model

Full-Stack Software Engineers SC/DV Cleared - (Military/Veteran-Friendly) — Multiple Openings 🌳\n Location: London (Remote & Hybrid options)\n Permanent \n Make mission-critical software that actually gets used. \n Areti Group is partnering with a defence-aligned client to hire multiple Full-Stack Software Engineers who can deliver secure, reliable web applications at scale. \n Build end-to-end web applications and APIs used by thousands across secure environments. \n Ship modern TypeScript apps with React (Vite/Material-UI) and backends in Node.js/Express (bonus: C#/.NET or Python/Django ). \n Own CI/CD pipelines and Docker -based runtime on AWS ; instrument apps for observability and performance . \n Frontend: TypeScript, React.js, Vite, Material-UI, HTML5, CSS \n Backend: Node.js, Express.js (nice-to-have: C#/.NET, Python/Django)\n APIs & Data: REST/JSON, SQL, PostgreSQL/Postgres , databases \n DevOps: CI/CD, Docker , containerisation, Ubuntu/Linux, AWS , Serverless, CDK/CDKTF , Ansible \n Quality & Analytics: Postman API, testing frameworks, web analytics \n Proven delivery of full-stack web applications (frontend + backend + API) from design to production deployment . \n Hands-on with TypeScript , React , Node/Express , SQL/PostgreSQL , Docker , CI/CD . \n Building and consuming RESTful APIs ; integration testing. \n Comfortable in AWS and modern Infrastructure-as-Code approaches. \n Strong engineering fundamentals: code reviews, testing, observability, performance tuning . \n Security Clearance: C#/.NET , Python/Django , Material-UI , Vite , PostgreSQL tuning. \n AWS Bedrock , prompts/guardrails, retrieval). \n Knowledge of secure networked environments , identity/access control, and accreditation workflows. \n Build dependable software for real users in mission-critical contexts. \n TypeScript/React/Node on AWS with IaC and automation-first delivery. \n supportive of ex-Forces transitions; buddying and training. \n Compensation & benefits \n Bonus: Up to 15%\n Pension: Holidays: Generous allowance + bank holidays \n Birthday off: Yes #127874;\n Healthcare: Private medical \n training & certification support \n Urgent hires: Fit: Perfect for polyglot full-stack engineers who are curious, collaborative, and love solving hard problems. \n Send your CV/LinkedIn/GitHub and include: location preference , current clearance level (SC/DV) , availability , and a short note on a production system you’ve shipped (stack + impact).

Full-Stack Software Engineers SC/DV Cleared - (Military/Veteran-Friendly) — Multiple Openings 🌳\n Location: London (Remote & Hybrid options)\n Permanent \n Make mission-critical software that actually gets used. \n Areti Group is partnering with a defence-aligned client to hire multiple Full-Stack Software Engineers who can deliver secure, reliable web applications at scale. \n Build end-to-end web applications and APIs used by thousands across secure environments. \n Ship modern TypeScript apps with React (Vite/Material-UI) and backends in Node.js/Express (bonus: C#/.NET or Python/Django ). \n Own CI/CD pipelines and Docker -based runtime on AWS ; instrument apps for observability and performance . \n Frontend: TypeScript, React.js, Vite, Material-UI, HTML5, CSS \n Backend: Node.js, Express.js (nice-to-have: C#/.NET, Python/Django)\n APIs & Data: REST/JSON, SQL, PostgreSQL/Postgres , databases \n DevOps: CI/CD, Docker , containerisation, Ubuntu/Linux, AWS , Serverless, CDK/CDKTF , Ansible \n Quality & Analytics: Postman API, testing frameworks, web analytics \n Proven delivery of full-stack web applications (frontend + backend + API) from design to production deployment . \n Hands-on with TypeScript , React , Node/Express , SQL/PostgreSQL , Docker , CI/CD . \n Building and consuming RESTful APIs ; integration testing. \n Comfortable in AWS and modern Infrastructure-as-Code approaches. \n Strong engineering fundamentals: code reviews, testing, observability, performance tuning . \n Security Clearance: C#/.NET , Python/Django , Material-UI , Vite , PostgreSQL tuning. \n AWS Bedrock , prompts/guardrails, retrieval). \n Knowledge of secure networked environments , identity/access control, and accreditation workflows. \n Build dependable software for real users in mission-critical contexts. \n TypeScript/React/Node on AWS with IaC and automation-first delivery. \n supportive of ex-Forces transitions; buddying and training. \n Compensation & benefits \n Bonus: Up to 15%\n Pension: Holidays: Generous allowance + bank holidays \n Birthday off: Yes #127874;\n Healthcare: Private medical \n training & certification support \n Urgent hires: Fit: Perfect for polyglot full-stack engineers who are curious, collaborative, and love solving hard problems. \n Send your CV/LinkedIn/GitHub and include: location preference , current clearance level (SC/DV) , availability , and a short note on a production system you’ve shipped (stack + impact).

Senior Fullstack Engineer (React/Python)\n Location: 1 day p/week in London \n\n Senior Fullstack Engineer (React/Python) - would you like the opportunity to work for a start-up who are helping organisations reduce their energy costs? As a Senior Fullstack Engineer, you will work with their product team to design, code and test their platform, while also working together with their customers and partners \n\n 4+ years’ experience working with JavaScript and React. \n~ Experience working with Python. \n~ Experience working with Django. \n~ AWS. \n~ Bonus if you have worked in start-ups before. \n\n\n If you’re a Senior Fullstack Engineer (React, Python) looking for a new challenge, please apply.

Full-Stack Engineer \n This role is remote first (1 day p/m). \n\n La Fosse are partnering with an exciting Ai Start Up , who are looking to extend their software development team. \n\n The successful candidate will be joining one of the core development teams to help enhance their products and services. \n\n As a Full-Stack Engineer, you will be helping deliver ground-breaking Ai products to market, playing a pivotal role in designing, developing, and maintaining current and new capability. \n\n Python \n Django \n Ai tooling \n Familiarity with Typescript / JS - React, Angular, Vue etc. \n Compensation:

Full Stack Engineer £50-£90,000 (dependent on experience level) - remote \n Our client, a start-up that aims to create a new way to meet people, create lasting friendships, and rewrite the way we connect in real life, is seeking a talented, experienced back-end leaning full stack product engineer to join their team. \n\n We are looking for a product-focussed, backend-leaning, full-stack engineer. This role is about more than writing code. You will work in a small team to understand customer and business problems, then you’ll be helping to plan a pragmatic technical roadmap and delivering against that. This is a start-up so you’ve got to love product engineering as well as writing well crafted code. 5+ years of professional experience as a software engineer. \n~ Ideally, experience with JavaScript/Typescript and GCP \n~ Strong experience building secure and performant REST endpoints.

Software Engineer - 1-2 years experience \n Hybrid working in London (3 days p/week)\n\n Would you like the opportunity to work for a fast-growing start-up, currently looking for several Fullstack Software Engineers? You will be joining a dynamic product team, where you will be building great software and diving into the world of AI. \n\n This opportunity is suitable for Software Engineers with 12-24 months experience. \n\n As a Software Engineer, you will be working across their stack using TypeScript, React, Next.js, Node.js and AWS. \n\n Commercial experience with their stack TypeScript, React, Next.js and Node.js. Happy to consider fresh graduates with GitHub projects. \n AWS infrastructure. \n If you’re a Fullstack Engineer who enjoys the idea of working in a fast-paced start-up, please apply.

Full-Stack Engineer \n This role is remote first (1 day p/m). \n\n La Fosse are partnering with an exciting Ai Start Up , who are looking to extend their software development team. \n\n The successful candidate will be joining one of the core development teams to help enhance their products and services. \n\n As a Full-Stack Engineer, you will be helping deliver ground-breaking Ai products to market, playing a pivotal role in designing, developing, and maintaining current and new capability. \n\n Python \n Django \n Ai tooling \n Familiarity with Typescript / JS - React, Angular, Vue etc. \n Compensation:

Job title: Senior Full Stack Developer (Typescript)\n Job type: Contract \n\n Contract Length : 6-12 months \n\n Rate : £500-600 per day (inside IR35)\n\n Role Location : London, UK (Hybrid - 1 day a week onsite)\n\n The company : A leading established household brand with a forefront in adTech are revolutionising the advertising space, and are looking to scale out their engineering team. \n\n Role And Responsibilities \n\n You will be joining a forward thinking and collaborative team in developing online platforms using Typescript, NodeJS, Javascript and React. \n\n Job Requirements \n\n Strong Typescript and Javascript skills \n~ Good communication skills

Forward Deployed Software Engineer – London Location: London, UK (Hybrid)\n Start Date: Flexible \n\n A high-growth technology company is seeking a mission-driven Forward Deployed Software Engineer (FDE) to join its London team. This is a unique opportunity for engineers with strong data and product instincts who want to build impactful solutions that drive real-world change across industries. \n\n Competitive base salary: £Comprehensive benefits including private healthcare and pension \n Work on meaningful, high-impact projects with real operational outcomes \n Hybrid working model \n\n It builds custom software products that integrate enterprise data into operator-focused workflows, enabling transformative outcomes at speed. As a Forward Deployed Engineer, you’ll work directly with stakeholders to understand their most valuable challenges and build operationalised software solutions that drive measurable impact. This is a hands-on engineering role with a strong focus on data, customer collaboration, and real-world outcomes. \n\n Proficiency in Python and/or TypeScript \n Bachelor’s or Master’s degree in Computer Science or related field \n\n Experience building production ML or LLM-based solutions \n Experience delivering React-based frontend applications \n If you're excited by the idea of building software that directly impacts how organisations operate - and want to work with a team that values ownership, speed, and mission - you’re encouraged to apply. \n\n Forward Deployed Engineer, FDE, Software Engineer, Data Engineer, Machine Learning Engineer, AI Engineer, GenAI, LLM, Python Developer, TypeScript Developer, Full Stack Engineer, Distributed Systems Engineer, Spark, Kafka, Hadoop, React Developer, Enterprise Software Engineer, Consulting Engineer, Analytics Engineer, Technical Consultant, Palantir Foundry, AIP, Hybrid Software Engineer, London Tech Jobs, Mission-Driven Engineering Roles, FDSE, Python, Java \n\n No terminology in this advert is intended to discriminate on any of the grounds protected by law, and all qualified applicants will receive consideration for employment without regard to age, sex, race, national origin, religion or belief, disability, pregnancy and maternity, marital status, political affiliation, socio-economic status, sexual orientation, gender, gender identity and expression, and/or gender reassignment.

Forward Deployed Software Engineer – London Location: London, UK (Hybrid)\n Start Date: Flexible \n\n A high-growth technology company is seeking a mission-driven Forward Deployed Software Engineer (FDE) to join its London team. This is a unique opportunity for engineers with strong data and product instincts who want to build impactful solutions that drive real-world change across industries. \n\n Competitive base salary: £Comprehensive benefits including private healthcare and pension \n Work on meaningful, high-impact projects with real operational outcomes \n Hybrid working model \n\n It builds custom software products that integrate enterprise data into operator-focused workflows, enabling transformative outcomes at speed. As a Forward Deployed Engineer, you’ll work directly with stakeholders to understand their most valuable challenges and build operationalised software solutions that drive measurable impact. This is a hands-on engineering role with a strong focus on data, customer collaboration, and real-world outcomes. \n\n Proficiency in Python and/or TypeScript \n Bachelor’s or Master’s degree in Computer Science or related field \n\n Experience building production ML or LLM-based solutions \n Experience delivering React-based frontend applications \n If you're excited by the idea of building software that directly impacts how organisations operate - and want to work with a team that values ownership, speed, and mission - you’re encouraged to apply. \n\n Forward Deployed Engineer, FDE, Software Engineer, Data Engineer, Machine Learning Engineer, AI Engineer, GenAI, LLM, Python Developer, TypeScript Developer, Full Stack Engineer, Distributed Systems Engineer, Spark, Kafka, Hadoop, React Developer, Enterprise Software Engineer, Consulting Engineer, Analytics Engineer, Technical Consultant, Palantir Foundry, AIP, Hybrid Software Engineer, London Tech Jobs, Mission-Driven Engineering Roles, FDSE, Python, Java \n\n No terminology in this advert is intended to discriminate on any of the grounds protected by law, and all qualified applicants will receive consideration for employment without regard to age, sex, race, national origin, religion or belief, disability, pregnancy and maternity, marital status, political affiliation, socio-economic status, sexual orientation, gender, gender identity and expression, and/or gender reassignment.

We are seeking Full Stack Software Developers to join our technology team in London and progress our web-based private equity management platform. The role requires working closely with our team of developers, designers, and stakeholders to deliver high-quality solutions. \n Responsibilities: \n Develop and maintain our web-based and mobile private equity management platform using React, Typescript and other web technologies. \n Collaborate with team members to design, develop and implement new features and \n functionality. \n Write clean, maintainable, efficient and well tested code. \n Troubleshoot and debug application issues. \n Stay up to date with industry trends and best practices and share them with the rest of the engineering team. \n\n Qualifications: \n Bachelor's degree in computer science. We will consider candidates with backgrounds in other areas as long as they can demonstrate a strong history of delivery in our technologies. \n Experience with React, TypeScript, HTML, CSS and web technologies. \n Commitment to maintaining high quality software through the use of automated testing tools such as Jest and Cypress/Playwright. \n Experience with backend TypeScript, e.g. Node JS, Nest JS and express. \n Familiarity with Git and version control. \n Experience with Agile development methodologies. \n A pragmatic, right-tool-for-the-job mentality. \n Passion for delivering exceptional customer experiences and technology implementations. \n Self-motivated and proactive, with a strong sense of ownership and accountability. \n Strong problem-solving and analytical skills. \n\n More Information: \n Salary range is from £60-80K + 10% bonus, depending on experience (hiring at mid, mid-senior and senior levels).

Full-Stack Engineer – London (Hybrid) Our client is a fast-growing software business delivering market-leading ticketing products to forward-thinking organisations worldwide. Their platform is used by hundreds of thousands of people and powers ticket sales for some of the world’s most prestigious live entertainment brands. \n\n They’re now looking for a Full-Stack Engineer to play a key role in developing their platform and products. This is an opportunity to work on live, high-profile projects that will have maximum exposure in the dynamic live entertainment industry. \n\n Working in an agile environment, continuously learning and contributing passion to the product. \n\n Proven experience building REST APIs with scalability in mind. \n Strong Python knowledge and ecosystem expertise. \n Proficiency in SQL and writing efficient queries. \n Solid understanding of web fundamentals (HTML, CSS & JS). \n Bonus points for: \n Experience with React and TypeScript. \n Competitive salary (DOE). \n~ Hybrid working from central London (Mon, Weds, Fri in-office). \n Free office breakfasts and a supportive, inclusive team culture.

Job Title: Full Stack Software Engineer (contract) Location: London Hybrid. Travel to the London office on an adhoc basis is required. Duration: 6 months Contract Start Date: ASAP September 2025 Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte. The Role We are looking for an experienced Senior Full Stack Software Engineer to work in the Digital Tax Solutions (DTS) Team at Deloitte. In response to significant success and an increased emphasis on technology and innovation in a rapidly evolving market, DTS is recruiting a Software Developer to undertake new project work within our business. The successful candidate will play a crucial role in developing software solutions, work across the full SDLC, collaborate with the team and get involved on high-profile projects. This position requires a solid understanding of Software Development as per the tech listed below and SDLC. Your key responsibilities will include: • Developing software solutions as part of a development team working on a product build using an Agile methodology., • Working across the full software development stack and lifecycle (i.e. frontend, backend, DevOps, infrastructure-as-code, automated testing), • Managing your own workload and deliverables as part of a product team using DevOps tools ., • Use platforms such as Kubernetes and AI-driven development tools to deploy these technologies across our innovative product suite, with full support from our comprehensive learning resources., • Delivering a high standard of quality through testing and code review and liaising with our Quality Assurance teams during testing, • Participating in knowledge sharing and peer review across your assigned projects;, • Working with the Product Managers and Business Analysts in our team to understand business requirements, dependencies and timelines; Your professional experience • Minimum of 8 years experience building products, • Software development experience working with the following:, • .NET 8+ ;, • SQL or NoSQL databases (SQL Server or MongoDB preferred);, • Front-end technologies ( HTML5, CSS, Javascript frameworks – Angular 18+ preferred);, • Cloud services ( Azure preferred);, • Containerisation;, • Infrastructure-as-code ( Azure Bicep preferred);, • Kubernetes preferred;, • Familiar with Generative AI prompt-based development acceleration/research;, • Experience developing multi-layered products as a full stack developer,, • Experience with Azure DevOps and Git or similar development repositories, • Experience of software development life cycle ( SDLC ), test driven development, continuous integration, and continuous delivery, • Strong problem-solving skills and attention to detail., • Ability to work in a fast-paced, agile environment. Deliverables: Responsibilities but not limited to: • Contribute to code reviews on assigned projects,, • Contribute to design & planning discussions on assigned projects IR35 As a means of managing tax, commercial and reputational risks, Deloitte prohibits the use of Associates through Personal Service Companies (‘PSCs’). All Associates must contract under PAYE arrangements through a Deloitte approved ‘Employment Company’ (aka ‘umbrella company.’)

Senior Software Engineer / Developer (Full Stack JavaScript) London to £100k \n Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £125 million. \n As a Senior Software Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own your own DevOps and deployment. \n There's an emphasis on getting stuff done and immediate business impact, alongside longer term strategy. \n Location / WFH: \n There's a hybrid work from home model with three days a week in the Hammersmith office and the other two work from home. When in the office you can enjoy the onsite gym, barista coffee and free breakfast. \n You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50/50 split \n You have experience with JavaScript frameworks they use Vue.js but Angular or React experience is fine, you will also have experience with Python, Node.js and TypeScript \n You have a good knowledge of APIs and an indepth understanding of web development practices, tools and technologies \n You enjoy learning and picking up new things \n You're flexible and able to adapt to changing priorities \n You have full software development lifecycle experience including CI/CD and testing \n You're collaborative with Agile team experience, happy to mentor more junior developers \n You're likely to be degree educated in Computer Science or similar tech discipline \n As a Senior Software Engineer you will receive a competitive package: \n \n~ 25 days holiday (increasing to 30), plus Christmas Eve \n~ Vitality healthcare plus a host of wellbeing benefits \n~ Pension \n~ Family leave and enhanced maternity scheme \n~ Continual career and self development opportunities \n~ Onsite gym, and partnership with Octopus Electric Vehicles and Evans Cycle to Work scheme, there's showers and towels if you do decide to cycle! \n\n Apply now to find out more about this Senior Software Engineer (Full Stack JavaScript) 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.

Software Engineer - 1-2 years experience \n Hybrid working in London (3 days p/week)\n\n Would you like the opportunity to work for a fast-growing start-up, currently looking for several Fullstack Software Engineers? You will be joining a dynamic product team, where you will be building great software and diving into the world of AI. \n\n This opportunity is suitable for Software Engineers with 12-24 months experience. \n\n As a Software Engineer, you will be working across their stack using TypeScript, React, Next.js, Node.js and AWS. \n\n Commercial experience with their stack TypeScript, React, Next.js and Node.js. Happy to consider fresh graduates with GitHub projects. \n AWS infrastructure. \n If you’re a Fullstack Engineer who enjoys the idea of working in a fast-paced start-up, please apply.

Full Stack Developer - London - Energy Trading - 140k \n RJC is working a Full Stack Developer role for a global energy trading company based in London. Working as part of the Global Analytics team within the Front Office, they are looking for someone to collaborate directly with the business and develop analytics applications utilised by commodity trading desks. \n\n The role demands expertise in energy market data, developing infrastructural components, and implementing full stack technology for commodities analytics. \n\n The ideal Full Stack Developer will have: \n\n Minimum 5+ years of experience working with C# and related .NET technologies \n Strong proficiency with front end development (preferably React), async patterns, and DOM manipulation \n Experience working in an agile scrum development model

Software Engineer - 1-2 years experience \n Hybrid working in London (3 days p/week)\n\n Would you like the opportunity to work for a fast-growing start-up, currently looking for several Fullstack Software Engineers? You will be joining a dynamic product team, where you will be building great software and diving into the world of AI. \n\n This opportunity is suitable for Software Engineers with 12-24 months experience. \n\n As a Software Engineer, you will be working across their stack using TypeScript, React, Next.js, Node.js and AWS. \n\n Commercial experience with their stack TypeScript, React, Next.js and Node.js. Happy to consider fresh graduates with GitHub projects. \n AWS infrastructure. \n If you’re a Fullstack Engineer who enjoys the idea of working in a fast-paced start-up, please apply.

Senior PHP Full-Stack Developer - £100k - Hybrid \n We are partnering with a global digital marketing and technology agency specialising in online gaming to hire a Senior PHP Full-Stack Developer. In this senior role, you’ll take technical ownership of solutions end-to-end, mentor junior developers, and ensure delivery of highly scalable, high-availability platforms that drive cutting-edge online gaming experiences. \n\n You’ll also play a senior position in driving the move from a PHP-heavy stack to a modern TypeScript/React front end, helping define and deliver greenfield solutions with a premium, customer-first focus. \n\n Drive full-stack development projects, ensuring high-quality delivery across both frontend and backend. \n Act as a technical lead for React/TypeScript adoption, mentoring the team (currently PHP-heavy) and raising overall capability. \n Take ownership of key greenfield projects, shaping the technical direction for premium UI/UX. \n Support DevOps and CI/CD initiatives where possible. \n\n Proven experience with PHP (backend) and TypeScript/React (frontend). \n Experience building greenfield projects \n js/NestJS is desirable but not essential. \n Strong understanding of design patterns, scalability, and system performance. \n DevOps experience (Docker, AWS, CI/CD pipelines) would be highly valued. \n Strong database expertise (MySQL and diverse storage paradigms). \n Prior experience in the iGaming industry or similar complex transactional platforms. \n\n Discretionary Bonus \n Hybrid (4x week in London)\n Benefits: Private healthcare & dental, pension scheme, income protection, stock options, gym & yoga studio, wellness initiatives, retail discounts, 25–30 days holiday, and more.

Microsoft Dynamics 365 CE Developer – Permanent \n Salary: £70,000 to £95,000 per annum - Benefits - Healthcare options – Hybrid – Bonus!\n\n Location: UK-Wide Offices (London, Bristol, Birmingham, Manchester, Blackpool, Newcastle)| Hybrid working / 2-3days Remote Working \n\n We are excited to be offering this opportunity for a talented Senior Dynamics 365 CE Solutions Developer to join my clients rapidly expanding cloud team. My client is looking for multiple Dynamics 365 CE Developers to join their teams in Manchester, Newcastle and Blackpool. This is a permanent position and represents a unique opportunity for someone to enhance their digital career. \n\n The role is delivery focused, working on a single client project at a time (with the opportunity to support sales and pre-sales activities if of interest). \n Oversee and shape user needs gathering to ensure technical fit, helping inform the wider architecture of the solution to meet client objectives and goals as well as user needs. \n Own the high level and low-level solution design of end to end Microsoft Dynamics 365 projects. \n Design solutions with focus on security, accessibility and performance to ensure safety and scalability. \n Design the integration architecture and interfaces required using the full capabilities of the Microsoft technology stack. \n Be a key person interacting with client stakeholders, building relationships and customer trust in the capabilities of Dynamics 365 and the Power Platform and demonstrate the art of the possible that inspires clients and colleagues to deliver the best technical solution possible. \n\n As well as a wider understanding of the Microsoft technology stack, including but not limited to Azure and SharePoint. \n Knowledge of software engineering best practices as well as Microsoft Dynamics CRM SDK, C#, Visual Studio and Team Foundation Server. \n Full implementation lifecycle experience of CRM based programmes within Microsoft Dynamics 365 and the Power Platform. \n Experience with Continuous Integration (CI) and Continuous Delivery (CD), ideally using Azure DevOps. \n A passion for delivering according to an agile methodology, planning projects and releases in sprints and writing Epics, Features and User Stories. \n\n 83zero Limited is a boutique consultancy specialising in Software Development & Agile within the UK. We provide high quality interim and permanent IT professionals.

Microsoft Dynamics 365 CE Developer – Permanent \n Salary: £70,000 to £95,000 per annum - Benefits - Healthcare options – Hybrid – Bonus!\n\n Location: UK-Wide Offices (London, Bristol, Birmingham, Manchester, Blackpool, Newcastle)| Hybrid working / 2-3days Remote Working \n\n We are excited to be offering this opportunity for a talented Senior Dynamics 365 CE Solutions Developer to join my clients rapidly expanding cloud team. My client is looking for multiple Dynamics 365 CE Developers to join their teams in Manchester, Newcastle and Blackpool. This is a permanent position and represents a unique opportunity for someone to enhance their digital career. \n\n The role is delivery focused, working on a single client project at a time (with the opportunity to support sales and pre-sales activities if of interest). \n Oversee and shape user needs gathering to ensure technical fit, helping inform the wider architecture of the solution to meet client objectives and goals as well as user needs. \n Own the high level and low-level solution design of end to end Microsoft Dynamics 365 projects. \n Design solutions with focus on security, accessibility and performance to ensure safety and scalability. \n Design the integration architecture and interfaces required using the full capabilities of the Microsoft technology stack. \n Be a key person interacting with client stakeholders, building relationships and customer trust in the capabilities of Dynamics 365 and the Power Platform and demonstrate the art of the possible that inspires clients and colleagues to deliver the best technical solution possible. \n\n As well as a wider understanding of the Microsoft technology stack, including but not limited to Azure and SharePoint. \n Knowledge of software engineering best practices as well as Microsoft Dynamics CRM SDK, C#, Visual Studio and Team Foundation Server. \n Full implementation lifecycle experience of CRM based programmes within Microsoft Dynamics 365 and the Power Platform. \n Experience with Continuous Integration (CI) and Continuous Delivery (CD), ideally using Azure DevOps. \n A passion for delivering according to an agile methodology, planning projects and releases in sprints and writing Epics, Features and User Stories. \n\n 83zero Limited is a boutique consultancy specialising in Software Development & Agile within the UK. We provide high quality interim and permanent IT professionals.

Senior Fullstack Engineer (React/Python)\n Location: 1 day p/week in London \n\n Senior Fullstack Engineer (React/Python) - would you like the opportunity to work for a start-up who are helping organisations reduce their energy costs? As a Senior Fullstack Engineer, you will work with their product team to design, code and test their platform, while also working together with their customers and partners \n\n 4+ years’ experience working with JavaScript and React. \n~ Experience working with Python. \n~ Experience working with Django. \n~ AWS. \n~ Bonus if you have worked in start-ups before. \n\n\n If you’re a Senior Fullstack Engineer (React, Python) looking for a new challenge, please apply.

Senior Ruby-on-Rails Developer – Remote Within the UK \n£60,000-£70,000\n\n This is a chance to join a team that is focused on delivering cutting-edge solutions to their clients. You will join a collaborative culture with a commitment to excellence whilst contributing to projects that make a difference! They are seeking a talented Senior Developer with expertise in Ruby-on-Rails and an understanding of front-end technologies to help lead the development of scalable web applications. You will work closely with cross-functional teams to design, build, and maintain robust software solutions. \n\n Key Responsibilities: \n Design, develop, and maintain full stack applications using Ruby-on-Rails \n Collaborate with operational teams, designers, and other developers to gather requirements and deliver high-quality software \n Implement APIs and integrate third-party services. \n Optimize applications for maximum speed and scalability. \n Conduct code reviews \n Troubleshoot and debug applications \n Stay updated with emerging technologies and industry trends and apply them to improve existing processes and applications. \n\n Qualifications: \n Proficient in Ruby-on-Rails framework. \n Strong knowledge of front-end technologies (HTML, CSS, JavaScript, React/Vue.js). \n Experience with database systems (MySQL, PostgreSQL) and ORM tools. \n Familiarity with version control systems (Git) and CI/CD pipelines. \n Basic understanding of Laravel framework \n Experience with cloud services (AWS, Azure) and containerization (Docker). \n Understanding of DevOps practices.

Job title: Senior Full Stack Developer (Typescript)\n Job type: Contract \n\n Contract Length : 6-12 months \n\n Rate : £500-600 per day (inside IR35)\n\n Role Location : London, UK (Hybrid - 1 day a week onsite)\n\n The company : A leading established household brand with a forefront in adTech are revolutionising the advertising space, and are looking to scale out their engineering team. \n\n Role And Responsibilities \n\n You will be joining a forward thinking and collaborative team in developing online platforms using Typescript, NodeJS, Javascript and React. \n\n Job Requirements \n\n Strong Typescript and Javascript skills \n~ Good communication skills

Senior Software Engineer / Developer (Full Stack JavaScript) London to £100k \n Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £125 million. \n As a Senior Software Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own your own DevOps and deployment. \n There's an emphasis on getting stuff done and immediate business impact, alongside longer term strategy. \n Location / WFH: \n There's a hybrid work from home model with three days a week in the Hammersmith office and the other two work from home. When in the office you can enjoy the onsite gym, barista coffee and free breakfast. \n You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50/50 split \n You have experience with JavaScript frameworks they use Vue.js but Angular or React experience is fine, you will also have experience with Python, Node.js and TypeScript \n You have a good knowledge of APIs and an indepth understanding of web development practices, tools and technologies \n You enjoy learning and picking up new things \n You're flexible and able to adapt to changing priorities \n You have full software development lifecycle experience including CI/CD and testing \n You're collaborative with Agile team experience, happy to mentor more junior developers \n You're likely to be degree educated in Computer Science or similar tech discipline \n As a Senior Software Engineer you will receive a competitive package: \n \n~ 25 days holiday (increasing to 30), plus Christmas Eve \n~ Vitality healthcare plus a host of wellbeing benefits \n~ Pension \n~ Family leave and enhanced maternity scheme \n~ Continual career and self development opportunities \n~ Onsite gym, and partnership with Octopus Electric Vehicles and Evans Cycle to Work scheme, there's showers and towels if you do decide to cycle! \n\n Apply now to find out more about this Senior Software Engineer (Full Stack JavaScript) 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.

Full Stack Engineer £50-£90,000 (dependent on experience level) - remote \n Our client, a start-up that aims to create a new way to meet people, create lasting friendships, and rewrite the way we connect in real life, is seeking a talented, experienced back-end leaning full stack product engineer to join their team. \n\n We are looking for a product-focussed, backend-leaning, full-stack engineer. This role is about more than writing code. You will work in a small team to understand customer and business problems, then you’ll be helping to plan a pragmatic technical roadmap and delivering against that. This is a start-up so you’ve got to love product engineering as well as writing well crafted code. 5+ years of professional experience as a software engineer. \n~ Ideally, experience with JavaScript/Typescript and GCP \n~ Strong experience building secure and performant REST endpoints.

Senior Software Engineer / Developer (Full Stack JavaScript) London to £100k \n Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £125 million. \n As a Senior Software Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own your own DevOps and deployment. \n There's an emphasis on getting stuff done and immediate business impact, alongside longer term strategy. \n Location / WFH: \n There's a hybrid work from home model with three days a week in the Hammersmith office and the other two work from home. When in the office you can enjoy the onsite gym, barista coffee and free breakfast. \n You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50/50 split \n You have experience with JavaScript frameworks they use Vue.js but Angular or React experience is fine, you will also have experience with Python, Node.js and TypeScript \n You have a good knowledge of APIs and an indepth understanding of web development practices, tools and technologies \n You enjoy learning and picking up new things \n You're flexible and able to adapt to changing priorities \n You have full software development lifecycle experience including CI/CD and testing \n You're collaborative with Agile team experience, happy to mentor more junior developers \n You're likely to be degree educated in Computer Science or similar tech discipline \n As a Senior Software Engineer you will receive a competitive package: \n \n~ 25 days holiday (increasing to 30), plus Christmas Eve \n~ Vitality healthcare plus a host of wellbeing benefits \n~ Pension \n~ Family leave and enhanced maternity scheme \n~ Continual career and self development opportunities \n~ Onsite gym, and partnership with Octopus Electric Vehicles and Evans Cycle to Work scheme, there's showers and towels if you do decide to cycle! \n\n Apply now to find out more about this Senior Software Engineer (Full Stack JavaScript) 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.

Full Stack Engineer | .NET & React | Financial Services | London \n We’re partnered with a leading global energy and commodities organisation that’s investing heavily in its digital transformation journey. With a strong presence across EMEA, the Americas, and APAC, the business is scaling its in-house analytics platforms to drive smarter, data-led decisions across trading, logistics, and infrastructure operations. \n\n As a Full Stack Developer , with proven skills in . NET and React , you’ll join a highly collaborative analytics team in London, helping to design and deliver scalable, high-impact applications that harness data from global operations. \n You’ll work closely with technical and business stakeholders to translate ideas into actionable solutions that add real commercial value. \n\n Participate in the full software development lifecycle — from design through delivery. \n Engage in daily scrums, peer reviews, and cross-functional design sessions. \n\n#Highly competitive salary + benefits package \n\n Degree in Computer Science, MIS, or related discipline. \n~4–7 years’ experience with C#/.NET technologies, ideally including ASP.NET Core and Web APIs. \n Strong JavaScript and CSS skills with an eye for design and UX. \n~ Experience with SQL and relational databases such as Oracle, SQL Server, or PostgreSQL. \n~ Knowledge of CI/CD principles and Agile/Scrum development practices. \n~ Exposure to the energy, commodities, or financial services sectors. \n\n This is an opportunity to contribute to an ambitious, data-driven organisation where your work directly influences operational and strategic outcomes across a truly global network. \n\n#If you are interested in this Full Stack Developer Role, please respond directly to this advert with your updated CV or send it to chantelle.

Full Stack Engineer £50-£90,000 (dependent on experience level) - remote \n Our client, a start-up that aims to create a new way to meet people, create lasting friendships, and rewrite the way we connect in real life, is seeking a talented, experienced back-end leaning full stack product engineer to join their team. \n\n We are looking for a product-focussed, backend-leaning, full-stack engineer. This role is about more than writing code. You will work in a small team to understand customer and business problems, then you’ll be helping to plan a pragmatic technical roadmap and delivering against that. This is a start-up so you’ve got to love product engineering as well as writing well crafted code. 5+ years of professional experience as a software engineer. \n~ Ideally, experience with JavaScript/Typescript and GCP \n~ Strong experience building secure and performant REST endpoints.

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.

Full Stack Engineer £50-£90,000 (dependent on experience level) - remote \n Our client, a start-up that aims to create a new way to meet people, create lasting friendships, and rewrite the way we connect in real life, is seeking a talented, experienced back-end leaning full stack product engineer to join their team. \n\n We are looking for a product-focussed, backend-leaning, full-stack engineer. This role is about more than writing code. You will work in a small team to understand customer and business problems, then you’ll be helping to plan a pragmatic technical roadmap and delivering against that. This is a start-up so you’ve got to love product engineering as well as writing well crafted code. 5+ years of professional experience as a software engineer. \n~ Ideally, experience with JavaScript/Typescript and GCP \n~ Strong experience building secure and performant REST endpoints.

Forward Deployed Software Engineer – London Location: London, UK (Hybrid)\n Start Date: Flexible \n\n A high-growth technology company is seeking a mission-driven Forward Deployed Software Engineer (FDE) to join its London team. This is a unique opportunity for engineers with strong data and product instincts who want to build impactful solutions that drive real-world change across industries. \n\n Competitive base salary: £Comprehensive benefits including private healthcare and pension \n Work on meaningful, high-impact projects with real operational outcomes \n Hybrid working model \n\n It builds custom software products that integrate enterprise data into operator-focused workflows, enabling transformative outcomes at speed. As a Forward Deployed Engineer, you’ll work directly with stakeholders to understand their most valuable challenges and build operationalised software solutions that drive measurable impact. This is a hands-on engineering role with a strong focus on data, customer collaboration, and real-world outcomes. \n\n Proficiency in Python and/or TypeScript \n Bachelor’s or Master’s degree in Computer Science or related field \n\n Experience building production ML or LLM-based solutions \n Experience delivering React-based frontend applications \n If you're excited by the idea of building software that directly impacts how organisations operate - and want to work with a team that values ownership, speed, and mission - you’re encouraged to apply. \n\n Forward Deployed Engineer, FDE, Software Engineer, Data Engineer, Machine Learning Engineer, AI Engineer, GenAI, LLM, Python Developer, TypeScript Developer, Full Stack Engineer, Distributed Systems Engineer, Spark, Kafka, Hadoop, React Developer, Enterprise Software Engineer, Consulting Engineer, Analytics Engineer, Technical Consultant, Palantir Foundry, AIP, Hybrid Software Engineer, London Tech Jobs, Mission-Driven Engineering Roles, FDSE, Python, Java \n\n No terminology in this advert is intended to discriminate on any of the grounds protected by law, and all qualified applicants will receive consideration for employment without regard to age, sex, race, national origin, religion or belief, disability, pregnancy and maternity, marital status, political affiliation, socio-economic status, sexual orientation, gender, gender identity and expression, and/or gender reassignment.

Microsoft Dynamics 365 CE Developer – Permanent \n Salary: £70,000 to £95,000 per annum - Benefits - Healthcare options – Hybrid – Bonus!\n\n Location: UK-Wide Offices (London, Bristol, Birmingham, Manchester, Blackpool, Newcastle)| Hybrid working / 2-3days Remote Working \n\n We are excited to be offering this opportunity for a talented Senior Dynamics 365 CE Solutions Developer to join my clients rapidly expanding cloud team. My client is looking for multiple Dynamics 365 CE Developers to join their teams in Manchester, Newcastle and Blackpool. This is a permanent position and represents a unique opportunity for someone to enhance their digital career. \n\n The role is delivery focused, working on a single client project at a time (with the opportunity to support sales and pre-sales activities if of interest). \n Oversee and shape user needs gathering to ensure technical fit, helping inform the wider architecture of the solution to meet client objectives and goals as well as user needs. \n Own the high level and low-level solution design of end to end Microsoft Dynamics 365 projects. \n Design solutions with focus on security, accessibility and performance to ensure safety and scalability. \n Design the integration architecture and interfaces required using the full capabilities of the Microsoft technology stack. \n Be a key person interacting with client stakeholders, building relationships and customer trust in the capabilities of Dynamics 365 and the Power Platform and demonstrate the art of the possible that inspires clients and colleagues to deliver the best technical solution possible. \n\n As well as a wider understanding of the Microsoft technology stack, including but not limited to Azure and SharePoint. \n Knowledge of software engineering best practices as well as Microsoft Dynamics CRM SDK, C#, Visual Studio and Team Foundation Server. \n Full implementation lifecycle experience of CRM based programmes within Microsoft Dynamics 365 and the Power Platform. \n Experience with Continuous Integration (CI) and Continuous Delivery (CD), ideally using Azure DevOps. \n A passion for delivering according to an agile methodology, planning projects and releases in sprints and writing Epics, Features and User Stories. \n\n 83zero Limited is a boutique consultancy specialising in Software Development & Agile within the UK. We provide high quality interim and permanent IT professionals.

We are seeking Full Stack Software Developers to join our technology team in London and progress our web-based private equity management platform. The role requires working closely with our team of developers, designers, and stakeholders to deliver high-quality solutions. \n Responsibilities: \n Develop and maintain our web-based and mobile private equity management platform using React, Typescript and other web technologies. \n Collaborate with team members to design, develop and implement new features and \n functionality. \n Write clean, maintainable, efficient and well tested code. \n Troubleshoot and debug application issues. \n Stay up to date with industry trends and best practices and share them with the rest of the engineering team. \n\n Qualifications: \n Bachelor's degree in computer science. We will consider candidates with backgrounds in other areas as long as they can demonstrate a strong history of delivery in our technologies. \n Experience with React, TypeScript, HTML, CSS and web technologies. \n Commitment to maintaining high quality software through the use of automated testing tools such as Jest and Cypress/Playwright. \n Experience with backend TypeScript, e.g. Node JS, Nest JS and express. \n Familiarity with Git and version control. \n Experience with Agile development methodologies. \n A pragmatic, right-tool-for-the-job mentality. \n Passion for delivering exceptional customer experiences and technology implementations. \n Self-motivated and proactive, with a strong sense of ownership and accountability. \n Strong problem-solving and analytical skills. \n\n More Information: \n Salary range is from £60-80K + 10% bonus, depending on experience (hiring at mid, mid-senior and senior levels).

Location: Remote (London-based or commutable to applicants only)\nType: Full-time\nExperience Level: Entry-level (no prior professional experience required)\n\nA fast-moving, AI startup is looking for a Full Stack App Developer to take full ownership of the development lifecycle across mobile, web, and desktop platforms. You’ll be the primary engineer on multiple projects, working directly with the founder to build and launch high-quality applications from scratch.\n\nThis is a rare opportunity for someone early in their career to step into a high-responsibility role. If you’ve built strong personal or academic projects and are excited to work with autonomy, speed, and precision, we want to hear from you.\n\nWhat You’ll Do\n\nLead the full development lifecycle for new apps and features—from architecture to release\nBuild and maintain production-grade applications across platforms (mobile, web, desktop)\nOwn both frontend and backend implementation, integrating APIs, databases, and third-party services\nUse AI tools to accelerate development and improve quality\nMake thoughtful technical decisions and communicate trade-offs clearly\nCollaborate directly with leadership to plan sprints and deliver to deadlines\nContinuously improve systems and workflows for speed and reliability\nRequirements\n\nBSc in Computer Science (minimum)\nStrong understanding of programming fundamentals (architecture, algorithms, APIs, data structures)\nDemonstrable ability to build and deliver working software independently (e.g. GitHub, personal/academic projects)\nEnthusiasm for integrating AI tools into your workflow\nClear reasoning and ability to justify design decisions\nHighly self-driven and capable of working with limited direction\nBonus Points\n\nExperience with React Native, Swift, or web frameworks like React/Next.js\nFamiliarity with backend frameworks or cloud platforms (e.g. Node, Supabase, Firebase)\nInterest in automation, developer tools, or system design\nAn eye for product quality and user experience\nReady to build with speed, creativity, and ownership? Apply now

Full-Stack Software Engineers SC/DV Cleared - (Military/Veteran-Friendly) — Multiple Openings 🌳\n Location: London (Remote & Hybrid options)\n Permanent \n Make mission-critical software that actually gets used. \n Areti Group is partnering with a defence-aligned client to hire multiple Full-Stack Software Engineers who can deliver secure, reliable web applications at scale. \n Build end-to-end web applications and APIs used by thousands across secure environments. \n Ship modern TypeScript apps with React (Vite/Material-UI) and backends in Node.js/Express (bonus: C#/.NET or Python/Django ). \n Own CI/CD pipelines and Docker -based runtime on AWS ; instrument apps for observability and performance . \n Frontend: TypeScript, React.js, Vite, Material-UI, HTML5, CSS \n Backend: Node.js, Express.js (nice-to-have: C#/.NET, Python/Django)\n APIs & Data: REST/JSON, SQL, PostgreSQL/Postgres , databases \n DevOps: CI/CD, Docker , containerisation, Ubuntu/Linux, AWS , Serverless, CDK/CDKTF , Ansible \n Quality & Analytics: Postman API, testing frameworks, web analytics \n Proven delivery of full-stack web applications (frontend + backend + API) from design to production deployment . \n Hands-on with TypeScript , React , Node/Express , SQL/PostgreSQL , Docker , CI/CD . \n Building and consuming RESTful APIs ; integration testing. \n Comfortable in AWS and modern Infrastructure-as-Code approaches. \n Strong engineering fundamentals: code reviews, testing, observability, performance tuning . \n Security Clearance: C#/.NET , Python/Django , Material-UI , Vite , PostgreSQL tuning. \n AWS Bedrock , prompts/guardrails, retrieval). \n Knowledge of secure networked environments , identity/access control, and accreditation workflows. \n Build dependable software for real users in mission-critical contexts. \n TypeScript/React/Node on AWS with IaC and automation-first delivery. \n supportive of ex-Forces transitions; buddying and training. \n Compensation & benefits \n Bonus: Up to 15%\n Pension: Holidays: Generous allowance + bank holidays \n Birthday off: Yes #127874;\n Healthcare: Private medical \n training & certification support \n Urgent hires: Fit: Perfect for polyglot full-stack engineers who are curious, collaborative, and love solving hard problems. \n Send your CV/LinkedIn/GitHub and include: location preference , current clearance level (SC/DV) , availability , and a short note on a production system you’ve shipped (stack + impact).

Full Stack Developer - London - Energy Trading - 140k \n RJC is working a Full Stack Developer role for a global energy trading company based in London. Working as part of the Global Analytics team within the Front Office, they are looking for someone to collaborate directly with the business and develop analytics applications utilised by commodity trading desks. \n\n The role demands expertise in energy market data, developing infrastructural components, and implementing full stack technology for commodities analytics. \n\n The ideal Full Stack Developer will have: \n\n Minimum 5+ years of experience working with C# and related .NET technologies \n Strong proficiency with front end development (preferably React), async patterns, and DOM manipulation \n Experience working in an agile scrum development model

Full-Stack Software Engineers SC/DV Cleared - (Military/Veteran-Friendly) — Multiple Openings 🌳\n Location: London (Remote & Hybrid options)\n Permanent \n Make mission-critical software that actually gets used. \n Areti Group is partnering with a defence-aligned client to hire multiple Full-Stack Software Engineers who can deliver secure, reliable web applications at scale. \n Build end-to-end web applications and APIs used by thousands across secure environments. \n Ship modern TypeScript apps with React (Vite/Material-UI) and backends in Node.js/Express (bonus: C#/.NET or Python/Django ). \n Own CI/CD pipelines and Docker -based runtime on AWS ; instrument apps for observability and performance . \n Frontend: TypeScript, React.js, Vite, Material-UI, HTML5, CSS \n Backend: Node.js, Express.js (nice-to-have: C#/.NET, Python/Django)\n APIs & Data: REST/JSON, SQL, PostgreSQL/Postgres , databases \n DevOps: CI/CD, Docker , containerisation, Ubuntu/Linux, AWS , Serverless, CDK/CDKTF , Ansible \n Quality & Analytics: Postman API, testing frameworks, web analytics \n Proven delivery of full-stack web applications (frontend + backend + API) from design to production deployment . \n Hands-on with TypeScript , React , Node/Express , SQL/PostgreSQL , Docker , CI/CD . \n Building and consuming RESTful APIs ; integration testing. \n Comfortable in AWS and modern Infrastructure-as-Code approaches. \n Strong engineering fundamentals: code reviews, testing, observability, performance tuning . \n Security Clearance: C#/.NET , Python/Django , Material-UI , Vite , PostgreSQL tuning. \n AWS Bedrock , prompts/guardrails, retrieval). \n Knowledge of secure networked environments , identity/access control, and accreditation workflows. \n Build dependable software for real users in mission-critical contexts. \n TypeScript/React/Node on AWS with IaC and automation-first delivery. \n supportive of ex-Forces transitions; buddying and training. \n Compensation & benefits \n Bonus: Up to 15%\n Pension: Holidays: Generous allowance + bank holidays \n Birthday off: Yes #127874;\n Healthcare: Private medical \n training & certification support \n Urgent hires: Fit: Perfect for polyglot full-stack engineers who are curious, collaborative, and love solving hard problems. \n Send your CV/LinkedIn/GitHub and include: location preference , current clearance level (SC/DV) , availability , and a short note on a production system you’ve shipped (stack + impact).

Full Stack Developer - London - Energy Trading - 140k \n RJC is working a Full Stack Developer role for a global energy trading company based in London. Working as part of the Global Analytics team within the Front Office, they are looking for someone to collaborate directly with the business and develop analytics applications utilised by commodity trading desks. \n\n The role demands expertise in energy market data, developing infrastructural components, and implementing full stack technology for commodities analytics. \n\n The ideal Full Stack Developer will have: \n\n Minimum 5+ years of experience working with C# and related .NET technologies \n Strong proficiency with front end development (preferably React), async patterns, and DOM manipulation \n Experience working in an agile scrum development model

Full Stack Java Developer – Investment Banking – London (Hybrid) Our client, a global investment bank, is looking for a Full Stack Java Developer to join their London-based team working on bespoke front office applications within a mature, business-critical platform. Key Details: • Location: Central London (3 days per week in-office), • Team: Join a collaborative global team (London, Mumbai, New York), • Tech Stack: Core Java (v17), Angular (v18), Oracle DB, • Experience Required:, • Strong core Java development experience, • Front-end development with Angular, • Solid understanding of Oracle databases and caching strategies, • Exposure to financial institutions (investment banking experience ideal) This is a fantastic opportunity to contribute to the continuous evolution of a 20-year-old in-house platform at the heart of front office operations.