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    Java Developer Kafka API Tech Consultancy

    Java Developer / Backend Software Engineer (Kafka API) London / WFH to £90kAre you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career?You could be joining a global technology consultancy.What's in ...

    Mobile Engineer KMP Kotlin Multiplatform

    Mobile Engineer / Developer (KMP Kotlin Multiplatform iOS Android Native) London / WFH to £75kAre you a technologist Mobile Engineer with KMP development experience?You could be progressing your career in a hands-on Mobile Engineer role at a hugely successful, global health / wellness com ...

    C++ Developer Linux Front Office

    C++ Developer / Software Engineer (Boost Linux FIX) London to £200kDo you have expertise with backend, low latency C++?You could be progressing your career in a senior, hand-on role at a hugely profitable, long established Hedge Fund.What's in it for you:Salary to £2 ...

    Mid Level Full Stack Engineer

    Full-Stack Engineer (Mid-Level) – £75k + Equity – London (Hybrid) A well-funded AI startup based in central London is growing its engineering team and hiring a mid-level full-stack engineer. The company is focused on helping businesses integrate AI into re ...

    Senior Physical Design Engineer

    Senior Physical Design Engineer - Bristol or Cambridge This client is a fast-growing player in the semiconductor space, focused on developing advanced computing platforms that enable cutting-edge applications in AI, high-performance computing, and data-intensive systems. With strong financial bac ...

    Platform Engineer at Saturnos.com

    Job Title Platform Engineer Company Description Saturnos.com - Series A, YC-backed AI fintech Job Description Join a high-caliber engineering team from Cred and Postman building the AI-native operating system for the £100B+ financial advice industry. You will d ...

    Platform Engineer (Data)

    We’re hiring a Platform Engineer to join a growing Technology & Innovation team within a well-established corporate finance business. This role is primarily focused on cloud infrastructure, deployment, and platform reliability , supporting the build-out of a greenfield analytics and ...

    Full Stack Engineer

    Senior Full Stack Engineer (TypeScript leaning) | London (Hybrid) We’re working with a high-growth, AI-first fintech that’s quietly building something pretty special and now looking to add a Senior Full Stack Engineer to their team. This isn’t your typical “we use AI” environment. Engineeri ...

    Senior AI Engineer

    Join a globally respected investment platform at the forefront of applying AI to complex, real-world decision making. We’re seeking a Senior AI Engineer to design and deploy production-grade LLM systems that directly enhance how investment and operational teams access, analyse, and act on information at scale ...

    Senior Physical Design Engineer

    Senior Physical Design Engineer - Bristol or Cambridge This client is a fast-growing player in the semiconductor space, focused on developing advanced computing platforms that enable cutting-edge applications in AI, high-performance computing, and data-intensive systems. Wi ...

    Senior Software Engineer – Remote

    SummaryOperating at the intersection of crypto and capital markets, my client builds high-performance reactive systems and delivers solutions fast to keep up with the constantly changing digital assets space.They’re looking for motivated engineers with a track record of building compl ...

    Senior Software Engineer – Remote

    SummaryOperating at the intersection of crypto and capital markets, my client builds high-performance reactive systems and delivers solutions fast to keep up with the constantly changing digital assets space.They’re looking for motivated engineers with a track record of building compl ...

    Junior Fullstack Engineer

    Base pay range This range is provided by Medly AI. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Direct message the job poster from Medly AI About Medly AI We're the fastest growing EdTech startup in London, on a mission t ...

    Lead/Senior Software Engineer | Growing SaaS Scale Up

    Lead/Senior Software Engineer | Growing SaaS Scale Up We’re working with a high-growth SaaS scale‑up that’s building a modern, cloud‑native platform used by customers globally. As they continue to scale their product and engineering team, they’re looking for a Senior or Lead Software Engineer to ...

    Back End Engineer London Up to £115,000 Starting Base + Exceptional Bonuses/Benefits

    Back-End Engineer - London - Up to £115,000 Starting Base + Exceptional Bonuses/Benefits Join a high‑calibre engineering team building next‑generation, AI‑driven software. You’ll help turn AI‑generated code into robust, usable applications that connect seamlessly via APIs and make a real impact i ...

    Senior Full Stack Engineer

    This key role offers a balanced focus on frontend and backend engineering, ideal for candidates with a passion for building secure, scalable, and high-performance web applications. You will design responsive UIs using React, TypeScript, JavaScript, and WebSocket for real-time features while developi ...

    Full Stack Engineer

    A fast-growing climate tech startup is looking for a highly capable Full Stack Engineer to help build software that drives real environmental impact. This is an opportunity to own features end-to-end, shape technical decisions, and operate autonomously in a high-trust, high-impact environment. Wha ...

    Senior Frontend Engineer

    LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence ...

    Software Engineer (Platform Engineering)

    Join the Platform Engineering team to build and maintain the firm’s critical financial infrastructure. You will work on high-availability distributed systems, cloud migration, and developer tooling to empower thousands of engineers globally. Skills Required Java Python </l ...

    Software Engineer (Python/React) Up to 140k + Bonus

    Software Engineer (Python / React) Location: London (Hybrid) Experience: 1-5 Years Sector: Elite FinTech Firm Compensation: Up to £140,000 Base + Industry Leading Bonus + Comprehensive Packa ...

    Senior Software Engineer

    We're partnering with a fast-scaling fintech that's building the intelligence layer for debt markets. Think financial analysis, credit data, legal and ESG insights, all delivered at speed to some of the biggest names in banking, asset management and law. They need a Senior Software Engineer ...

    Software Engineer

    At Great Yellow we're looking for a Software Engineer (backend) to join our team. About the job We’re building a new generation of tools to make complex environmental programme data simple, clear, and actionable, to help organisations accelerate nature recovery across the UK. To d ...

    Software Engineer

    At Great Yellow we're looking for a Software Engineer (backend) to join our team. About the job We’re building a new generation of tools to make complex environmental programme data simple, clear, and actionable, to help organisations accelerate nature recovery across the UK. To d ...

    Principal Software Engineer

    Staff Engineer / Principal Engineer / Lead Engineer - Full Stack UK Remote, moving to Hybrid: Manchester area by 2027 (estimate) Summary Lead Forensics is a leading UK based SAAS company with products in the B2B sales and marketing space. We’re seeking a Staff level full stack S ...

    Principal Software Engineer

    Overview Staff Engineer / Principal Engineer / Lead Engineer - Full Stack. UK Remote working to Hybrid: Moving to on-site in Manchester one day per week by 2027 (estimate). Lead Forensics is a leading UK based SAAS company with products in the B2B sales and marketing space. We’re se ...

    Software Developer – Distributed Scheduling & Workload Orchestration

    Viridien Viridien ( is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. With our ingenuity, drive and deep curiosity we discover new insights, innovations, and solutions that efficiently and responsibly reso ...

    Python Engineer – Up to £180,000 + Bonus + Benefits

    Up to £180,000 + Bonus + Full Benefits The Opportunity Join a leading global hedge fund where technology sits at the core of trading strategy and performance. As a Python Engineer, you’ll work directly with Portfolio Managers, Quants, and Analysts to build high-performance tools a ...

    Software Developer Commissioning Team

    NuclearPermanent / DigitalBridgwaterUnited Kingdom13/05/26On siteABOUT ASSYSTEM️ About AssystemAt Assystem, our mission is to accelerate the energy transition worldwide. Our 8,000 Switchers blend historical engineering expertise with cutting-edge digital technologies to drive this change. Join us in revolutioniz ...

    Artificial Intelligence Platform Engineer

    We're hiring an AI Platform Engineer to own the data infrastructure at a Series-funded AI startup. This isn't a specialised role. You'll sit at the intersection of backend and AI engineering. You'll design and own the services and pipelines that move, transform, store and serve data across the product—includi ...

    Full Stack Engineer

    About the Role We are seeking a Full-Stack Engineer to join our team and help build the next generation of AI solutions. This is a unique opportunity to be a key technical contributor in a fast-paced, innovative environment where you'll wear many hats and have signif ...

    Software Development Engineer III

    The Product & Engineering team is responsible for designing, building and scaling Data & AI products that power intelligent experiences, decisions and actions across the Tesco ecosystem. Working in close partnership with business and technology teams across Stores, Finance, People, Customer and Comm ...

    Principal Full Stack Software Engineer

    Senior Full Stack Software EngineerUK Remote - Must be able to attend quarterly meetings in Belfast Permanent Single Stage Technical Interview The OpportunityAt OCHO, we partner with organisations where engineering qualit ...

    Senior Staff Software Engineer

    Staff Software Engineer – Platform & Distributed Systems We are looking for a Staff Software Engineer to help lead the evolution of a highly scalable distributed data platform powering large-scale enterprise systems. This role is ideal for someone who enjoys solving complex backend and infr ...

    Full Stack Engineer

    Affinity Labs: Full Stack Engineer Location: London Area, United Kingdom · On-site Company Description At Affinity Labs, we’re building a full-stack AI venture studio that partners with content creators to co‑found authentic, scalable software businesses. By combining AI ...

    Software Engineer/Quant Developer (FULLY REMOTE) Up to £200k + Bonus London

    Overview Software Engineer/Quant Developer (Python) – Fully remote, London-based role. Salary up to £200,000 P/A + bonus (DOE). Client: Performance Software Scale Up. Responsibilities Join a team of elite software engineers to build next-generation performance software platfor ...

    C# .Net Developer

    Join to apply for the C# .Net Developer role at TieTalent . The role involves working on software projects for international clients as part of a skilled, cross-disciplinary team. You will build strong client relationships, act as a trusted advisor, and focus on creat ...

    Software Engineer

    Overview .NET Developer | up to £55,000 | Newcastle, Hybrid My client is a busy and fast-growing software house based in the North East with multiple large and exciting projects. They specialise in Microsoft technologies across targeted industries such as Policing, Maritime, and Workforce. ...

    Rust Engineer (European Remote)

    Things that have a lot of rust: A ship’s anchor A love padlock on a bridge in France An old truck in a scrapyard The entire backend of one of Europe’s most progressive gaming platforms, who currently want you to join their team and start‑up journey!!!!! </ul ...

    Senior Ruby Developer

    Senior Ruby Developer - Leading Health Tech - Hybrid Industry: Health Tech (Tech for Good) Location: Hybrid, 2 days a week in Central London Office Tech Stack: Ruby on Rails, TypeScript, AWS The Company We're excited to have partnere ...

    Booking and Messaging Java Developer

    Java Backend Developer (Booking & Messaging) Rate: £625/day (Inside IR35) Duration: 6 Months Location: London (Hybrid) The Role Join a high-performance eBond Booking and Messaging team managing a c ...

    Booking and Messaging Java Developer

    Job Description Scroll down to find an indepth overview of this job, and what is expected of candidates Make an application by clicking on the Apply button.Java Backend Developer (Booking & Messaging) Rate: £625/day (Inside IR35) | Duration: 6 Months | Location: London (Hybrid) Th ...

    Senior API Developer to support the design, development, and deployment of scalable, secure microservices based applications.

    Our client is seeking an experienced API Developer to support the design, development, and deployment of scalable, secure microservices-based applications. The ideal candidate will have strong hands-on experience with Java, Spring Boot, and RESTful API development in an enterprise environment.This rol ...

    Senior API Developer to support the design, development, and deployment of scalable, secure microservices based applications.

    Our client is seeking an experienced API Developer to support the design, development, and deployment of scalable, secure microservices-based applications. The ideal candidate will have strong hands-on experience with Java, Spring Boot, and RESTful API development in an enterprise environment.This rol ...

    Senior Software Engineer

    Senior Software Developer – Advanced Security & Platform Internals We are seeking an experienced software developer to collaborate closely with a team of vulnerability researchers, tackling complex technical challenges that have real‑world impact. Our research group investigates security we ...

    Junior Fullstack Engineer

    About Medly AI We're the fastest growing EdTech startup in London, on a mission to change education forever. We're living through a once-in-a-generation moment where AI-native companies are redefining entire industries - Cursor for code, Midjourney for image gen, Harvey for law ...

    Junior Fullstack Engineer

    About Medly AI We're the fastest growing EdTech startup in London, on a mission to change education forever. We're living through a once-in-a-generation moment where AI-native companies are redefining entire industries - Cursor for code, Midjourney for image gen, Harvey for law ...

    Ruby on Rails Developer

    Materials Market is a managed marketplace for bulky construction materials. We’re fixing a fragmented, opaque market where pricing is political and access is unequal — building a fair, transparent system where customers and suppliers trade on equal terms. We turn a network of merchants and distribu ...

    Senior frontend developer

    One of my client is looking for a Senior frontend developer role able to join their offices in London or New Castle (UK). They build world class apps, middleware and digital products in the global lottery, betting, and gaming space. Important: The role is hybrid, 1 day per week at th ...

    Senior Software Engineer (Typescript)

    Here's the anonymised version: Senior Software EngineerAre you the right candidate for this opportunity Make sure to read the full description below.- EdTech / Learning Platforms Belfast / Remote (UK) About the Company A fast-growing technology company delivering learning and training solutions to some o ...

    Full Stack Engineer – Kotlin, React / Typescript – Contract – London

    Full Stack Engineer – Kotlin, React / Typescript – Contract – London Category Contract Posted On March 25, 2026 Introduction Talent-Relay has partnered with a global player in the financial services sector to urgently onboard an experienced Full Stack ...

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      Backend Developer Python Nodejs Jobs in United Kingdom Job Search Guide, Trends and Insights