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Software Engineer (Back-end) Tech Stack: C# / .NET / Git / Azure Location: Fully Remote (no office travel required) Salary: £50,000 - £60,000 + Benefits This is an excellent opportunity to join a small but growing insurance software company, as they look to expand their development team. You’ll work across a variety of initiatives, including their core product development, system migrations, and integrations. This role is focused on backend development within a modern Microsoft Azure environment, using C# and .NET 10. For those interested in broadening their skill set, there is also the opportunity to gain exposure to React. What We’re Looking For: • Strong experience with modern C# and .NET (8+), • Experience building and maintaining Web APIs, • Proficiency with Git, • Experience working in an Azure environment, • Working knowledge of SQL, • A proactive, self-starter mindset Desirable (Not Essential): • Experience with React, • Previous experience in the insurance sector If you’re interested, please apply and we’ll be in touch with more information!

ieso are on a mission to build and deliver clinically safe, evidence-driven AI that expands access to trusted mental health support and improves outcomes at scale. Our vision is to reshape the future of mental healthcare so people everywhere can feel better and live fuller lives and we need exceptional engineers to help us get there. The Role This is a high-ownership, high-impact engineering position at the heart of our digital mental health platform, a product that helps real users manage anxiety and depression every day. You'll work across the full stack: • Frontend: TypeScript & React What You'll Be Doing 🔧 Build & own full stack features - from TypeScript/React frontends to C#, Python, and TypeScript backends across .NET 8/10, FastAPI, and Node 🏗️ Take end-to-end ownership of product areas - architecture, implementation, deployment, monitoring, and iteration 🧭 Lead technical discussions - driving decisions on system design, code quality, and engineering best practices 🤝 Collaborate across disciplines - working closely with product managers, designers, and clinical stakeholders to turn requirements into robust, scalable software 👨 🏫 Mentor junior engineers - through code reviews, pair programming, and knowledge sharing 📈 Champion continuous improvement - raising the bar on quality, testing, and observability across the team ⚙️ Tackle technical debt and performance - identifying and resolving bottlenecks and reliability issues while balancing speed with long-term maintainability 🔄 Contribute to agile delivery - sprint planning, retrospectives, and roadmap discussions to keep the team moving with purpose 🔒 Uphold compliance and safety standards - ensuring all work meets the security and regulatory requirements of a US healthcare environment 🚀 Stay ahead of the curve - keeping current with emerging technologies and advocating for their adoption where they add real value You'll Thrive Here If You... ✅ Bring 7+ years of full stack experience with production-grade expertise in TypeScript & React on the frontend, and C#, Python, and/or TypeScript (across .NET, FastAPI, and/or Node) on the backend ✅ Have a proven track record of leading technical work setting direction, making smart trade-offs, and shipping results in fast-moving environments ✅ Hold a deep understanding of software architecture, RESTful APIs, cloud infrastructure, and modern CI/CD practices ✅ Lead with ownership you treat your work like a product, not a task ✅ Love mentoring others and raising the engineering bar ✅ Are energised by complex technical challenges with real-world consequences ✅ Embrace AI-assisted development tools (Copilot, Cursor, Claude Code) to move faster ✅ Can communicate clearly with both engineers and non-technical stakeholders Bonus Points For... ⭐ Experience with HIPAA or regulated healthcare software ⭐ Background in digital health or mission-driven consumer products ⭐ Familiarity with AI/ML integration in production systems ⭐ Knowledge of ISO 27001, ISO 9001, or SOC2 frameworks Why Join Us? We're not building another app. We're reshaping the future of mental healthcare and we hold ourselves to a standard that matches that ambition. You'll join a team that moves with purpose and speed, values engineering excellence, and genuinely cares about the people using what we build. If that sounds like the kind of place you want to do your best work, we'd love to hear from you. 📍 United Kingdom | 💻 Remote Apply now or share with someone who should. #MentalHealth #SoftwareEngineering #FullStack #TechForGood #Hiring #React #TypeScript #DotNet #Python #HealthTech

Full-Stack Engineer Location: London (Hybrid) Salary: Up to £80,000 + benefits We have partnered with a well-funded, founder-led technology startup operating in the sports and media space, building next-generation systems for processing and analysing live content in real time. As the platform scales, they’re hiring a Full-Stack Engineer to design and deliver high-performance systems across real-time data pipelines, modern frontend applications, and AI-enhanced product features. What You’ll Do as a Full-Stack Engineer: • Own the end-to-end delivery of real-time video, data, and AI-driven analysis across a modern digital content platform., • Design and build resilient backend services using Java and cloud-native infrastructure., • Develop modern, high-performance frontend applications using TypeScript and a modern JavaScript framework., • Architect and maintain real-time data pipelines using event-driven systems and streaming technologies., • Work across cloud-based serverless and containerised infrastructure to deploy scalable, production-ready systems., • Integrate LLM APIs and AI-powered workflows into product functionality and engineering processes., • Leverage AI coding assistants and modern development tooling to accelerate development and automate workflows., • Collaborate closely with a small, high-trust engineering team to ship features quickly and reliably., • Take ownership of system architecture, infrastructure decisions, and production deployments. Core Technology Stack: • Backend: Java, distributed messaging systems, relational databases, Docker, infrastructure as code, • Frontend: TypeScript, modern JavaScript frameworks, • Infrastructure: Cloud-native serverless and containerised environments, • AI Tooling: Regular use of AI-powered development tools and coding assistants What We’re Looking For in a Full-Stack Engineer: • A polyglot engineering mindset with the ability to work across multiple languages and systems., • Strong experience building backend services and distributed systems., • Ability to read, understand, and contribute to Java-based systems., • Frontend experience with modern frameworks such as React, Vue, Svelte, or similar technologies., • Hands-on experience integrating LLM APIs from leading providers., • Regular use of AI tools and coding assistants to increase development velocity and automate workflows., • Strong engineering fundamentals including testing, documentation, security, and performance optimisation., • Comfort working in fast-moving environments where ownership, clarity, and delivery are expected. Nice to Have’s as a Full-Stack Engineer: • Experience in sports technology, live event data systems, or digital media platforms., • Exposure to streaming technologies or real-time data processing frameworks., • Strong experience designing data architectures and large-scale distributed systems. This is a rare opportunity for a Full-Stack Engineer to help shape a real-time digital platform from an early stage, working with modern cloud infrastructure and AI-augmented engineering workflows to deliver high-impact systems.

Principal Digital IC Design Engineer If the following job requirements and experience match your skills, please ensure you apply promptly. Location: Fareham, Hampshire (Hybrid Working Available) Salary: £87,000 + bonus Contract: Permanent Visa Sponsorship is available We're recruiting for a Principal Digital IC Design Engineer on behalf of a high-growth semiconductor organisation operating at the forefront of advanced electronics. This is a senior individual contributor role, ideal for a recognised technical expert who wants to drive digital IC innovation while influencing architecture, methodology and best practice across complex ASIC and MCU developments. You'll play a key role in shaping next-generation digital designs used in safety-critical and high-performance applications, working across multidisciplinary and global engineering teams. The Role This position focuses on technical leadership across digital IC development, from architecture definition through to silicon validation. As a Principal Engineer, you'll provide deep technical expertise, guide design decisions, and act as a key contributor to complex projects, while mentoring engineers and influencing engineering standards across the organisation. Key Responsibilities • Define and influence digital architecture based on system and product requirements, • Lead complex digital design, implementation, verification and validation activities, • Drive performance, power and area optimisation across ASIC and MCU designs, • Act as a technical authority for digital IC design methodologies and best practices, • Contribute to and review RTL design, verification strategies and sign-off processes, • Support IP development, integration and evaluation of third-party IP, • Collaborate closely with analogue, software, systems and backend teams globally, • Provide technical mentorship and guidance to engineers across the team, • Support silicon bring-up, debug, validation and failure analysis, • Degree-qualified (BEng/MEng) in Electronics, Engineering or related discipline, • Significant experience in digital or mixed-signal IC design (ASIC preferred), • Strong expertise across the full digital IC design lifecycle (specification to silicon), • Proven track record of delivering complex digital ICs or subsystems, • Deep understanding of RTL design, verification methodologies and timing closure, • Experience with low-power design techniques and optimisation, • Strong knowledge of EDA tools and digital design flows, • Experience in silicon debug and validation, • Excellent problem-solving skills and ability to influence technical decisions xrnqpay Desirable:, • Exposure to mixed-signal environments, • Familiarity with full ASIC front-end and back-end flows, • Knowledge of IP integration and lifecycle management, • Scripting/automation experience (e.g. Python), • Experience with tools such as JIRA and Confluence Why Apply?, • Salary of £87,000 plus annual bonus, • Flexible hybrid working (typically 3 days on-site in Fareham), • Senior technical role with significant influence on product architecture, • Opportunity to work on cutting-edge semiconductor technologies, • Collaborative, innovation-driven engineering environment, • Strong benefits package including pension, private medical and dental cover, • Clear progression path within a growing semiconductor organisation

Backend Developer • Romsey, Hampshire (Hybrid - 3 days office / 2 remote, flexible), • £45,000 - £50,000 + Benefits I'm now looking for a Backend Developer to join their agile team and play a key role in shaping the future of their technology. The Role This is a hands-on backend role with real ownership. You'll work across both: • Stabilising and improving existing Laravel-based systems What You'll Be Doing Design & Development • Build and maintain scalable SaaS applications, • Develop clean, well-structured backend systems using modern Laravel, • Own backend architecture and code quality, • Design multi-tenant database structures, • Improve performance and reliability of legacy systems, • Handle complex data migrations, • Help modernise systems using AWS managed services, • Maintain and improve CI/CD pipelines, • Work closely with frontend and UX on product development, • Contribute to product discovery and backlog shaping, • 3+ years commercial experience in backend development, • Strong PHP (8.x) and deep Laravel expertise, • Solid PostgreSQL experience (schema design, optimisation), • Experience building APIs and integrating with frontend frameworks (ideally React), • Experience with AWS and infrastructure modernisation, • CI/CD pipeline design and management, • Exposure to AI tooling (e.g. GitHub Copilot, Claude), • Experience with agentic AI systems Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. JBRP1_UKTJ

Digital IC Design Lead Location: Fareham, Hampshire Salary: Up to £100,000 + bonus Contract: Permanent Visa Sponsorship is available We're recruiting for a Digital IC Design Lead on behalf of a high-growth semiconductor organisation operating at the forefront of advanced electronics. This is a senior technical leadership role, offering the opportunity to shape next-generation digital ICs used in safety-critical and high-performance applications. You'll lead the digital development activity across complex ASIC and MCU products, combining hands-on technical oversight with team leadership, project delivery and cross-functional collaboration across global engineering teams. The Role This position leads all digital IC development activities, from translating product requirements into robust digital architectures, through design, verification and validation, to silicon delivery. You'll manage and mentor a team of IC engineers while working closely with system architecture, software, sensor and analogue teams locally, and backend, test and reliability teams internationally. Key Responsibilities • Define digital requirements derived from product and system specifications, • Lead digital architecture, design, implementation, verification and validation activities, • Drive development of next-generation ICs and MCUs to high reliability and safety standards, • Provide technical direction to improve performance, power efficiency and cost, • Manage digital IP development and third-party IP integration, • Oversee resource planning, project schedules, budgets and delivery milestones, • Mentor, coach and technically develop IC design engineers, • Represent the digital team in EDA tool selection and methodology decisions, • Collaborate across global engineering teams to ensure seamless design flow, • Degree-qualified (BEng or MEng) in Electronics, Engineering or a related discipline, • 5+ years' experience in digital or mixed-signal IC design (ASIC preferred), • Proven experience leading or managing engineers or technical projects, • Strong knowledge of the full digital IC design lifecycle from specification to silicon, • Experience with low-power design and power management techniques, • Solid understanding of EDA tools and digital design flows through to timing sign-off, • Knowledge of DfT, DfM, silicon debug and failure analysis methodologies, • Strong communication skills with the ability to lead in complex, ambiguous environments Desirable:, • Mixed-signal design exposure, • Experience with safety-critical or high-reliability designs (e.g. ISO 26262), • Familiarity with full front-end and back-end ASIC flows, • Knowledge of IP maturity models and IP supply chain management, • Python scripting or automation experience, • Experience using tools such as JIRA and Confluence Why Apply?, • Salary up to £100,000 plus annual bonus, • Senior technical leadership role with real influence over future products, • Opportunity to work on complex, next-generation semiconductor designs, • Hybrid working and modern office environment, • Strong benefits package including pension, private medical and dental cover, • Clear long-term career development within a growing semiconductor business JBRP1_UKTJ

Backend Developer Romsey, Hampshire (Hybrid - 3 days office / 2 remote, flexible)£45,000 - £50,000 + BenefitsOOP, PHP, LaravelMy client build innovative SaaS solutions that help organisations monitor, manage, and optimise critical infrastructure.

We are working with a well established engineering group seeking a Senior Fullstack Developer to support the continued development of their core operational and customer facing systems. This is a hands-on, delivery-focused role, where you will be actively building, improving and maintaining live systems used across the business. The role would suit a senior developer who enjoys staying close to the code, while supporting and mentoring a junior developer. You will contribute directly to customer portals, APIs and IoT integrations while contributing to technical decisions and supporting development best practice within the team. Key Duties and Responsibilities Design, develop and deploy scalable web applications across frontend and backend environments using modern frameworks and cloud platforms. Build and enhance customer facing portals including dashboards, mapping functionality, role based access control and IoT integrations. Develop, maintain and optimise RESTful and GraphQL APIs to support internal systems and third party services. Support the adoption and continuous improvement of DevOps practices including CI and CD pipelines, monitoring and automated deployments. Provide technical guidance to junior developers through code reviews, mentoring and day to day collaboration. Contribute to technical improvements and the ongoing evolution of the existing platform. Work closely with stakeholders across the business to ensure software solutions align with operational and commercial requirements. Maintain clear and accurate technical documentation and contribute to continuous improvement initiatives. Skills and Experience Required Proven experience as a Fullstack Developer with strong capability across backend development using .NET and C#. Experience with frontend development using ReactJS. Experience working with cloud platforms, with Azure strongly preferred. Strong background designing and consuming RESTful and GraphQL APIs. Good understanding of data modelling and experience working with SQL, NoSQL or similar database technologies. Demonstrable experience working with DevOps pipelines, CI and CD processes and automated testing. Solid understanding of secure coding practices, authentication methods such as OAuth2, and role based access control. Strong analytical and problem solving skills with the ability to work independently on complex tasks. Confident communicator able to work effectively with both technical and non technical stakeholders. Degree in Computer Science or equivalent practical experience is desirable. Exposure to React Native, Terraform or IoT technologies such as MQTT, Modbus TCP IP or Azure IoT Hub would be advantageous. Summary Position: Fullstack Developer Location: Chandlers Ford Duration: Permanent Salary: £55,000 to £65,000 plus bonus and benefits Start: Notice dependent This is a strong opportunity for an experienced Fullstack Developer to take on a meaningful role within a growing engineering led organisation, working on modern platforms with real world operational impact. Apply now or contact the Kiota team for more details

We’re hiring a senior backend engineer to join a disciplined, senior team responsible for the platform behind Eequ, where engineers have real ownership and operate with high autonomy. Build and operate the backend platform that powers a real marketplace handling bookings, payments, and reporting f

Our backend tech stack is Spring Boot with Java/Kotlin/Groovy, MySQL and Opensearch, hosted on AWS. Our frontend is React with Typescript, and you will be expected to contribute small features to the frontend (though the role is at least 95% backend). You're an experienced engineer with multiple ye

Senior Backend Engineer | Python, FastAPI & Scaling | Security SaaS. Senior Backend Engineer – High-Scale Systems | Python & FastAPI | Security SaaS. Senior Backend Engineer – High-Scale Systems | Python & FastAPI | Security SaaS.

The role involves the design and development of backend services and infrastructure for Machine Learning workloads.

Compensation: Competitive, based on location and experience .Location: UK or Turkey (Hybrid – Office & Remote).Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale.Keepnet runs

We are looking for a Senior Backend Engineer to join our new Quantitative Sports team. As a Senior Engineer you will play a critical role in the development and maintenance of the backend aspects of the pricing system for our sportsbook and work alongside our quantitative analysts to deliver our in-

Software Architect Java - BackEnd, Back End Google Cloud (GCP).

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution.That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys.With a strong foundation of trust established by millions

We are looking for a Java Backend Lead to own the technical design and delivery of our backend systems. Own backend system architecture and technical design, ensuring scalability, performance, security, and maintainability. Design and develop new backend services using modern Java technologies.

As a Senior Backend Software Engineer in the Core Team, you’ll play a critical role in engineering the backbone of our payment platform.

A tech consultancy is seeking a hands-on Python Developer for a contract role in Dacorum.You will be involved in building and maintaining Python-based back-end services, developing web applications with frameworks like Flask or Django, and supporting legacy system modernization.A proactive problem s

A financial technology company in Greater London seeks a generalist developer to contribute to various projects.The role involves building and maintaining client libraries for APIs across multiple languages like PHP and Ruby, working on identity-checking systems, and developing internal services for

We’re on a mission to make money work for everyone.We’re waving goodbye to the complicated and confusing ways of traditional banking.With our hot coral cards and get-paid-early feature, combined with financial education on social media and our award winning customer service, we have a long histo

In this role, you will lead the development of core backend systems and build web applications and APIs while also supporting frontend tasks using frameworks like Vue.

A leading financial technology company based in the UK is seeking a backend engineer to join its newly-formed Acquiring Platform team. Ideal candidates will have strong backend programming skills, a knack for designing APIs, and the ability to work collaboratively in a dynamic environment.

A fintech startup in London seeks a Backend Developer to create AI-powered product capabilities and scalable backend architecture. Ideal candidates will have 3–4 years of experience in backend development, particularly with Java and Spring Boot.

They are looking for a Senior Backend Developer who will own the infrastructure powering data pipelines, APIs, real-time delivery, and the databases underneath. Own architecture decisions for the company's backend systems. Backend : Typescript,EVM and integration patterns.

Has 5+ years of professional backend experience with strong computer science fundamentals in data structures, algorithms, and software design patterns.

A cutting-edge technology firm is seeking a hands-on leader for backend and data engineering in London.

We are looking for a generalist developer to join our team to help build out systems & handle user growth.You’ll have the opportunity to contribute to different areas of the code-base and choose which projects interest you.Our service is built on Ruby on Rails, but particular experience is not a p

The successful candidate will own backend system architecture and ensure scalable and secure design.

Develop scalable backend architecture: Build and evolve microservices using Java and Spring Boot to support a highly scalable SaaS platform serving private market firms. Create robust APIs and data service: Design and optimise APIs and backend services that power Vega’s frontend applications and e

A high-growth B2B SaaS company in the United Kingdom seeks a Software Development Manager to lead a team of about 8 engineers.In this non-coding but highly technical position, you will drive engineering best practices, improve team performance, and support critical technical decisions.The ideal cand

In this role, you will design and build high-performance backend services, leveraging your skills in Rust and PostgreSQL to contribute to critical financial infrastructure.

The ideal candidate will have 6-11 years of experience, strong skills in backend systems and APIs, and a passion for continuous improvement.

A dynamic technology company in London is seeking a Senior Software Engineer to build and maintain backend services for their football fan platform.

A leading AI solutions provider in Greater London is seeking a Lead Software Engineer to spearhead backend and edge/IoT engineering for high-stakes defence projects.

As a Senior Backend Engineer at Monzo, you'll take technical ownership of key product areas in one of Europe's leading challenger banks.

A leading gaming company in Greater London is seeking a Lead Engineer for Mobile Games.This role requires over 10 years of experience with commercial game engines, a strong proficiency in both Unity and C#, and a proven record in delivering game-as-a-service architectures.The successful candidate wi

A leading tech company in Greater London seeks a Lead Software Development Engineer in Test (SDET) to oversee a small team, drive automation strategies, and enhance testing processes.Candidates must have a minimum of 8 years of experience in test development, strong Java proficiency, and a backgroun

As a Backend Engineer at Monzo, you'll help build one of the UK's fastest-growing digital banks, serving 9M+ customers.

The successful candidate will bridge the gap between backend engineering and infrastructure security, implementing robust controls across a complex cloud and blockchain ecosystem. Candidates must be prepared for a live coding exercise focused on backend and systems logic. Engineering Proficiency: Mu

A blockchain technology company is looking for a Blockchain Backend Expert to design and develop efficient blockchain technologies for their distributed ledger system.

At Elliptic, we're not just connecting systems — we're building the backend services, integrations, and internal applications that enable our revenue teams to operate at scale. You'll be the engineer behind our commercial technology stack, building the backend systems that pull together product us

A mission-driven tech scale-up is seeking a Senior Backend Engineer to design, build, and scale their core software platform. This hands-on role involves creating backend services in Python and improving system performance while collaborating with a high-performing team.

A fast-growing HealthTech company in London is seeking a Backend Software Engineer to join its Agile engineering team. Ideal candidates will have a solid understanding of backend system design, strong communication skills, and experience with technologies like Spring and JPA.

You’ll be UK or EU based and you’ll be working in a team of backend engineers across MPG. We deliver, deploy and help integrate backend services alongside external co-dev clients as part of industry leading game projects, and collaborate to define solutions and implement features on time and to