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    Backend Engineer: High Performance I/O & Storage

    Viridien in Crawley seeks a Software Developer to design and develop high-performance services for data storage and access. The ideal candidate has strong experience in C, C++, Go, or Python, and a proven ability in building backend services and optimizing performance for I/O-intensive systems. Benefits include ...

    Senior Java Engineer: Scalable Quote API (Hybrid)

    A major retail corporation located in Welwyn Garden City is seeking a Java Developer to design and implement APIs that power pricing and promotions across various channels. This full-time, hybrid role emphasizes collaboration and Agile values, necessitating strong Java expertise, cloud platform experience, and f ...

    Ruby on Rails Engineer — Hybrid (2–3 days onsite)

    A leading recruitment agency is seeking a Ruby on Rails Developer to join their engineering team in a hybrid work model. The ideal candidate will have extensive experience with Ruby on Rails and PostgreSQL, focusing on developing new features and ensuring the stability of the platform. Strong knowledge of RESTfu ...

    Hybrid .NET Software Engineer: AI Driven Cloud & DevOps

    Sputnik Digital is seeking a skilled .NET Developer for a full-time hybrid role in Manchester. The position focuses on designing and developing high-quality software solutions using .NET technologies, requiring strong C# and TypeScript expertise. Candidates will work in Azure and AWS environments, utilizing AI t ...

    Senior Commercial Manager – Large Mixed Use Residential

    Hill & Hill Recruitment Ltd is seeking an experienced Commercial Manager for their office in South West London. The role involves leading the commercial function across large mixed-use residential developments, ensuring cost efficiency from inception through to completion. The ideal candidate should have proven ...

    Growth Oriented Planning Director — Birmingham Lead

    FutureGen Recruitment is seeking a Planning Director to lead the Birmingham office's growth strategy. This high-profile role requires an MRTPI professional capable of managing client relationships, leading teams, and driving project delivery across regeneration and residential sectors. Candidates should have a s ...

    Senior Associate Planner Housing and Development Leader

    FutureGen Recruitment is looking for an MRTPI Associate Planner in Manchester, UK. This pivotal role involves leading major residential applications, supporting business development, and representing clients in hearings. The ideal candidate will have a strong track record in consultancy or a developer environmen ...

    High Throughput C++/Python Trading Systems Engineer

    A financial technology company in Greater London is seeking a C++ and Python developer. Join their middle-office team to work on trade reconciliation, back-testing frameworks, and trading monitoring systems. The role involves writing high-performance code and requires skills in C++ and Python, as well as knowled ...

    Senior Software Engineer, Unity Platform & Game Tools

    A leading game engine company in Greater London is seeking a skilled Software Developer to work closely with external customers in game development and production tools. The role involves solving complex challenges and ensuring project success by leveraging deep technical expertise in the Unity ecosystem. Candid ...

    Platform Backend Engineer Scale Global Payments

    Software Careers is seeking a skilled backend developer to join the Platform team in Greater London. You will be responsible for building high-performance backend systems and improving the reliability of global payment infrastructure. The role focuses on distributed architecture and requires expertise in Java, S ...

    Senior Data Warehouse Engineer Healthcare Analytics

    Join a mission-critical healthcare data team as a Data Warehouse Developer III, where your technical expertise will directly impact patient outcomes. You'll architect and support a dedicated data warehouse environment, collaborating with clinical stakeholders to translate needs into actionable insights and ensur ...

    Impact Driven Tech BA for Children & Young People

    CACI Digital Experience (formerly Cyber-Duck) is seeking a developer to work within the design and development group. The role involves creating sustainable software products and cloud services using Agile, Java, and Postgres. Candidates should have strong communication skills and familiarity with accessibility ...

    Senior FPGA & Embedded Systems Engineer Broadcast Tech

    Zetron, Inc is seeking a Broadcast Product Developer in Whiteley, England, to design and develop advanced broadcast solutions. The role involves working with FPGA technology and embedded software development in Python and C++. Candidates should have strong knowledge in FPGA design, software engineering, and digi ...

    Kitchen Development Chef: Recipe Innovation & NPD

    Itsu Limited in Greater London is seeking a Kitchen Developer to innovate recipes and support product development. You will manage the kitchen, maintain ingredient stock, and cook samples as required for meetings. The ideal candidate has a passion for Asian food, experience in a professional kitchen, and strong ...

    FX Prime Brokerage Tech Lead — Hybrid, Low Latency

    Citibank (Switzerland) AG is seeking a Developer for FX Client Platforms to implement FX trading systems. The role involves driving system architecture design and collaborating with trading teams. Candidates should have a strong understanding of FX and low-latency development practices, with a focus on clean cod ...

    VP Quant Dev — High Performance Finance Tech

    Citi is seeking an experienced Quantitative Developer to join the Numerical Performance Group in London. The successful candidate will design, develop, and enhance quantitative libraries for pricing and risk management, utilizing advanced C++ and computational techniques. Strong experience in high-performance co ...

    Electrical Project Engineer – Grid & Substation (Hybrid)

    Mint Selection | B Corp is seeking an experienced Electrical Project Engineer for a leading UK energy developer in Greater London on an initial 12-month contract. The role involves electrical engineering oversight during design and construction of major power projects, including design reviews and stakeholder co ...

    Python Backend Engineer – Front Office Trading Platform

    Apex Systems is seeking a skilled backend developer to design and implement Python solutions within the structured Notes domain. This role involves close collaboration with Quants, Sales, and Trading to ensure clean API integration and support for crucial systems. Ideal candidates will have 5+ years in a front o ...

    Jetson AI & Linux Software Engineer

    Yoh, A Day & Zimmermann Company is seeking a talented Linux Software Developer located in Worcester, UK, to develop and maintain the software infrastructure for products relying on Linux. The ideal candidate will have expertise in Python, experience with the NVIDIA Jetson platform, and a strong background in dep ...

    Remote First Full Stack PHP Engineer | Laravel Impact

    Oliver Bernard is hiring a Fullstack PHP Developer to join their growing team in Oxford. This role offers flexibility with remote working and focuses on building features for a high-traffic platform using modern technologies like Laravel, Docker, and Alpine.js. Candidates should possess strong SQL skills, fronte ...

    Customer AI Engineer: ML & Generative AI Innovator

    A global consulting firm seeks a Customer AI Developer Specialist to deliver impactful Machine Learning and AI solutions across various industries. You will create and implement advanced ML models and techniques, while collaborating with engineers to drive business value for renowned clients. This role requires ...

    Java AWS Engineer Cloud Native Microservices Specialist

    Cognizant is looking for a talented Java Developer to deliver high-quality services and cloud-hosted solutions based in the United Kingdom. The role involves developing Java microservices, implementing RESTful APIs, and building cloud-native solutions on AWS. Candidates should have strong Java development experi ...

    Junior Generative AI Mobile Apps Engineer Hybrid

    Citi is seeking a Mobile Developer to engineer the future of global finance. Located in Greater London, you will craft scalable solutions in an agile environment, using technologies such as Swift and AI-powered tools. Ideal candidates should hold a relevant Bachelor’s degree and possess strong skills in problem- ...

    Youth Leadership & Creative Projects Lead (Hybrid)

    The Royal Shakespeare Company is seeking a Young Leaders Developer in Stratford-upon-Avon. This full-time role involves leading the Youth Advisory Board, supporting young people's creative projects, and managing diverse engagements. A focus on safeguarding and promoting youth welfare is paramount. Ideal candidat ...

    Junior Software Engineer: AI Assisted, Hybrid & Rotations

    Spirax-Sarco Engineering seeks a Junior Software Developer in Charlton Kings to support global customers and sustainability initiatives. This hybrid role is perfect for recent grads, offering exposure to production-grade systems and modern AI-assisted software practices. Key responsibilities include building and ...

    Senior Mobile Engineer (iOS/Android) – Public Sector Impact

    Nimble Approach in Sheffield is looking for a skilled mobile developer to design and build secure, user-centric applications for iOS and Android. This role involves collaborating with cross-functional teams to ensure high-quality, accessible digital services. Candidates should have proven experience with mobile ...

    Full Stack Software Engineer — Cloud Native & Secure CI/CD

    Accenture is looking for a skilled developer to create traditional and serverless applications using CI/CD processes. The role requires experience with Java, Python, or similar languages, and expertise in cloud technologies like AWS, Azure, or GCP. You will work in an agile environment, ensuring quality through ...

    Lead Java Architect: CIAM & Microservices Leader

    Avance Consulting is seeking an experienced Lead Java Developer in Northampton. This role focuses on designing and implementing scalable CIAM solutions. The ideal candidate will have at least 8 years of Java development experience, strong expertise in Spring and Spring Boot, along with hands-on experience in Mon ...

    Web Solutions Consultant for AI Integrations (London, Hybrid)

    Randstad Digital is seeking a Technical Solutions Consultant in London. This role requires a proactive web developer with 3–5 years of experience in technical support or development. The consultant will work closely with major news publishers to fix integration issues, utilizing tools like Chrome DevTools. Ideal ...

    Senior SRE — Architect of Reliable, Self Service Infra

    Fonoa is seeking an Infrastructure Engineer in Greater London to build and enhance a reliable, scalable platform. The role focuses on improving operational maturity, observability, and developer experience across engineering teams. The ideal candidate will possess a strong programming background, automation mind ...

    DeFi Systems Engineer – Rust/Python for Latency Trading

    Radley James seeks a DeFi Developer in Greater London to join a technical trading team. This role involves building high-performance systems in Rust and Python for decentralized markets, with a strong focus on end-to-end ownership across the trading stack. The ideal candidate will have a software engineering bac ...

    Senior Java Backend Engineer — Spring Boot, REST & Kafka

    Rockstar Games in Leeds is seeking an experienced Java backend developer to design and implement solutions for fast-paced game development. The ideal candidate will have over 5 years of professional experience in Java and strong expertise in Spring Boot and JPA/Hibernate. Responsibilities include collaborating w ...

    C#/.NET Dev for Repo & Fixed Income Trading Hybrid

    Jobs via eFinancialCareers is seeking a C#/.NET Developer for a 6-month contract in Greater London. The role involves developing and supporting back-office integration systems and enhancing Repo trading tools. The successful candidate will have strong experience in C#/.NET development, a good understanding of Re ...

    Software Engineer — Government‑Tech, TDD & Pairing

    Opencast | B Corp™ is looking for a Software Developer in Greater London. This role emphasizes building software with engineering craft and collaboration. Candidates should have expertise in Java or Scala, and hold or be eligible for SC Clearance. Responsibilities include collaborating on testing efforts, implem ...

    Senior C++ Pro Audio Software Engineer

    inMusic is seeking a Software Developer specializing in C++ for Pro Audio in Cambridge, England. This role involves developing software applications across platforms and working closely with Product Owners and Designers. The ideal candidate has at least 5 years of C++ experience, a degree in Computer Science, an ...

    Bazel Build Systems Engineer Greenfield & Hybrid

    5V Tech is seeking an engineer for a hybrid role to take ownership of Bazel in a fast-growing deep tech company. You will design and scale build systems while optimizing developer workflows in a greenfield environment. The ideal candidate has extensive experience in Software Engineering and CI/CD pipeline manage ...

    C++ Software Engineer – Cross Platform & Impact

    FLIR Systems, Inc. is seeking an experienced Software Developer in Fareham, United Kingdom. The role involves developing high-quality C++ code and collaborating with cross-functional teams. Candidates should have a background in information technology and proven experience in modern C++ development. Additional s ...

    Senior Java Full Stack Engineer Spring Kubernetes Cloud

    Response Informatics is seeking a skilled Java Developer in Glasgow to design and maintain robust Java applications. You will deliver secure and scalable solutions by collaborating with cross-functional teams and implementing best coding practices. The ideal candidate has 7+ years of experience in Core Java, 6+ ...

    Backend Software Engineer – Real Time Analytics Platform

    Trayport is seeking a Software Developer in Greater London to design and develop their data analytics platform. This role includes maintaining .NET and Kotlin applications, contributing to system architecture, and peer reviewing code. Ideal candidates will have strong skills in C# or Kotlin, experience with dist ...

    Automation API Engineer Python, Kubernetes & Docker

    TESTQ Technologies Limited is seeking a Python Developer in Sheffield to build scalable automation solutions and manage database operations. The role involves designing and maintaining automation solutions, developing APIs, and containerizing applications using Docker and Kubernetes. Candidates should have stron ...

    Senior Python Backend Engineer for SaaS & Scale

    Populus Select Ltd is seeking an experienced backend-focused developer in Tees Valley, United Kingdom, to support the evolution of a commercial SaaS platform used by enterprise clients. This hands-on role involves developing scalable backend functionality, improving system performance, and contributing to long-t ...

    Application Project Lead: SAP & PRINCE2 Expert

    Crown Holdings, Inc. is seeking an EISS Application Project Lead/Developer in Wantage, England. This role involves leading IT projects in line with business strategy, ensuring adherence to PRINCE2 methodology, and maintaining communication with stakeholders. Required qualifications include a bachelor’s degree in ...

    Lead Java Low Latency Engineer for FinTech Systems

    Ubique Systems in Greater London is seeking a Java Developer to lead the development of low-latency financial applications. The ideal candidate will have a strong background in Java, experience with multithreading and performance optimization, and the ability to mentor junior developers. Key responsibilities inc ...

    Remote Cloud AI API Integrations Expert

    Prolific is seeking a Cloud AI API Integrations Subject Matter Expert for fully remote work. Responsibilities include completing assessments for suitability, participating in AI-moderated interviews, and conducting qualitative surveys. Candidates should have active experience as a developer or system administrat ...

    Senior Backend Engineer Golang, Data Pipelines

    CoinDesk is seeking a Lead Backend Developer to join the Data Engineering Team in Greater London. This role involves strategic initiative ownership, operational governance, and leading the delivery of complex systems. Applicants should possess over six years of backend development experience, proficiency in Gola ...

    Founding Full Stack Engineer: Next.js & TS Leader

    Java Script Works is seeking a skilled full-stack developer to architect, build, and deploy comprehensive applications utilizing Next.js and TypeScript. The ideal candidate will have over 3 years of experience and a proven track record in managing production-grade systems from inception to launch. The ...

    Senior Associate Director, Commercial Development

    Turner- in Greater London seeks an experienced Associate Director - Commercial Developer to join their team. This role involves managing exciting projects, including large hotel conversions and mixed-use developments. The ideal candidate will have experience in delivering projects valued over £20m, and ...

    Senior Research Tech Engineer: HPC & Distributed Systems

    XTX Markets in Greater London is seeking a skilled software developer to join their Research Technology team. This role involves managing the high-performance computing (HPC) cluster crucial for trading operations. Candidates should have 5-10 years of experience in system design, proficiency in Golang, Rust, and ...

    Remote First Full Stack Engineer Bonus & Pension

    Journi, a London-based technology consultancy, is seeking a skilled software developer to create and maintain full-stack software solutions. The role requires 2+ years in software development, proficiency in various technical skills, and offers mainly remote work with one onsite day per month. Responsibilities i ...

    Full Stack Engineer: AI Tooling & Cloud Infra

    Barclays is seeking experienced Software Engineers in Glasgow to enable the adoption of Generative AI development tools across the enterprise. You will build infrastructure and applications that help teams leverage AI-assisted tooling, requiring strong full-stack engineering skills and a keen interest in DevOps ...

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      Senior React Developer Reactjavascript Jobs in United Kingdom Job Search Guide, Trends and Insights