Affirm is seeking a Staff Software Engineer, Backend (Identity International) to lead backend design and delivery for global identity services. You will drive architecture decisions, collaborate with product, design and analytics, and raise the ba...Read More>>.

Malt seeks a Head of Enterprise Engineering to lead our Enterprise & FMS engineering organization across London, Paris, and Lyon. You will manage engineering managers and staff engineers to scale a multi-tenant API-first platform and drive interna...Read More>>.

Remotestar seeks a backend-leaning Founding Engineer to help build core infrastructure for AI agents in an early-stage setting. 0–7 years of production software experience and a track record at FAANG or well-known VC-backed startups (Series A+)...Read More>>.

Fractal Analytics UK Limited is seeking a Senior Software Engineer to design, build, and support scalable backend services for banking and financial services.You will lead architectures, mentor engineers, and collaborate with product, secur...Read More>>.

KDR Talent Solutions UK is partnering with an organisation to recruit a Technology Project Manager who will lead the delivery of business-critical digital projects from initiation through go-live. The role spans CRM transformations, data platform...Read More>>.

CreateFuture is seeking a Senior Backend Engineer to design, build and mentor teams delivering scalable Kotlin/Spring Boot services. You’ll influence architecture, embed AI and automation, and partner with clients to realise measurable business...Read More>>.

Backend AI Engineer | Python, LLM inference, low-latency APIs | Fully remote, UK£90,000 to £110,000. Permanent.London. Fully remote across the UK.Every AI interaction has to pass through a backend that is fast enou...Read More>>.

Senior Backend Engineer (Node.js) Office: London About the company Emma is the app to manage all things money. Our mission is to empower millions of people to live a better and more fulfilling financial life. Emma was...Read More>>.

M-KOPA Mobility is seeking a Senior Backend Engineer to scale our event-driven microservices powering affordable transport across Africa. This is a 12-month fixed-term contract with potential to extend or transition to a permanent role, fully remo...Read More>>.

Google’s software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one another. We’re looking for engineers who bring fresh ideas from all areas, including...Read More>>.

Atos is seeking an experienced Senior Applications Architect to lead the design, governance, and evolution of enterprise applications and digital services within a complex Financial Services environment. This role combines strategic architecture l...Read More>>.

About PleoMessy spend management is tricky business. And tedious processes are a lose-lose situation for all involved, not just finance. At the company, we're changing that. We build spend solutions that make managing money seamless, empowering, a...Read More>>.

Airalo is hiring a Senior Backend Engineer to evolve our global platform serving 30M+ users. You will lead distributed systems, balance rapid innovation with stability, and apply architectural rigor across Laravel and Symfony in a remote UK settin...Read More>>.

Hyperlayer, based in the heart of London, is seeking a hands-on Principal Quality Engineer to own and expand automation frameworks for our API‑driven platform. You will drive contract testing, set testing standards, and uplift the QE team while...Read More>>.

The Multiplayer Group (MPG) is seeking a deeply talented, fully remote Senior Backend Engineer based in the UK or EU to join a team of backend engineers delivering server backends for AAA games. You will contribute to building scalable distributed...Read More>>.

Rightmove is seeking a Senior Backend Engineer to shape and deliver innovative, self-serving parts of our platform. You will design features and collaborate with autonomous cross-functional teams to build scalable, high-performance solutions for m...Read More>>.

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forec...Read More>>.

Job title: Staff Engineer (Global Billing, Payments & API)Location: London / Bristol / Edinburgh (Hybrid Office - 3+ days per week)Team: Global Billing, Payments & APILevel: TL2Job title: Staff Eng...Read More>>.

PhysicsX Ltd. is building an AI-driven simulation platform for engineering across advanced industries.As a software engineer, you will build, train, and deploy physics-informed models, taking ownership from implementation through production...Read More>>.

Kaluza is seeking a Senior Software Engineering Manager to lead two GBPA domains within the Global Billing, Payments & API platform. Based in London, Bristol or Edinburgh with hybrid work, you will own technical and product strategy and drive cros...Read More>>.

Wolt is seeking a Backend Engineer to join the AdTech & Promotions team in London. The role is backend-oriented, owning cross-functional initiatives from planning to delivery.You will design, implement and operate scalable backend services...Read More>>.

Waracle is seeking a Senior QA to join our hybrid London-based team, driving quality across mobile apps and APIs with strong automation expertise. You will shape automation frameworks, embed testing early, and work closely with engineering, DevOps...Read More>>.

JD.com, a leading technology and service provider, is hiring a Software Engineer - Search and Recommendation to work on Joybuy’s backend in London. The role focuses on improving search and recommendation experiences for customers, collaborating...Read More>>.

Speechify is seeking a senior backend engineer to design, build, and maintain robust APIs across public and internal services. You will help shape architecture for scale, reliability, and a seamless user experience across platforms.Join a 1...Read More>>.

IC Resources is seeking a Senior Backend Engineer in London to help build and scale backend systems for Voice AI solutions. You will collaborate closely with ML/AI engineers to integrate real-time AI capabilities into the core backend.The r...Read More>>.

You will scale a multi-tenant Postgres under unpredictable load, manage the sandbox layer with Docker, and own connectivity into customer networks. Strong TypeScript and deep database knowledge are essential. #J-18808-Ljbffr...Read More>>.

Octopus Electric Vehicles is seeking a Senior Software Engineer (Python) to join our product and engineering team building systems powering our electric car leasing platform. You will design robust APIs, evolve backend architectures, and collabora...Read More>>.

Platform Recruitment is seeking a Software Engineer with a strong ability to build scalable and performant systems, offering up to £160,000 in London. This role includes a mix of backend and full-stack responsibilities, collaborating with product...Read More>>.

Comply is seeking a Data Platform Architect to define the architecture and integration patterns powering our enterprise data platform. You’ll shape data products, APIs, event streams, semantic models, analytics capabilities, and AI-native interf...Read More>>.

Wolt AdTech & Promotions is seeking a Backend Engineer with a strong Golang focus to own large cross-functional initiatives from planning through delivery. The role emphasizes clear communication, stakeholder alignment, and the use of AI-assisted...Read More>>.

ITRAC in London is seeking a Java Engineer to help develop and improve core systems. You’ll build scalable back-end services, take ownership of projects from design through to delivery, and explore how AI can solve practical business problems....Read More>>.

Virtual Hire Staffing is seeking a Mid / Senior Java Web Engineer for a leading global financial markets infrastructure client in London. The role involves hands-on work across backend services and web UI, delivering a modular end-to-end trade man...Read More>>.

Nutrient is seeking a backend engineer who designs fast, scalable data models and systems for document processing at scale. You will work with a database-first mindset to ensure performance as volumes grow, and you’ll contribute to AI-native wor...Read More>>.

JPMorgan Chase & Co. in London is seeking a Senior Lead Software Engineer within the Accelerator business. You’ll be at the heart of turning smart ideas into customer-ready products, working in squads across fintech domains.You will model...Read More>>.

Zego is hiring for a backend engineering leader to design, build and own scalable Python microservices powering our real-time insurance platform. You will guide several engineers, shape backend architecture, and drive end-to-end delivery with a st...Read More>>.

Reply is seeking a Graduate Software Integration Engineer to join the Integration practice. You will help design and deliver integration solutions across enterprise environments, connecting systems, data, and services.Training on MuleSoft,...Read More>>.

RMG is partnering with an insurtech scale-up to hire a Backend Engineer for a permanent, full-time role. This UK-based remote position offers freedom to build modern distributed architecture from the ground up, with monthly team meet-ups and acces...Read More>>.

Job Advert is seeking a Senior Backend Developer to design, build and optimise backend services at scale using Java, Spring Boot and AWS. This is a remote, contract role with ownership of core services and data security.You will contribute...Read More>>.

Job Overview Join our expanding engineering team! We're actively recruiting a Senior Backend Engineer to help scale M-KOPA Mobility, our fast-growing e-mobility business. This is an initial 12-month Fixed Term Contract, with the potential...Read More>>.

Most money apps talk at you. Cleo talks back We're not building another finance app. We're building the world's first AI financial assistant, one that actually understands your money and makes you better at it, and we're changing the wor...Read More>>.

Methods is seeking a QA Automation Engineer in the UK to design, develop and maintain automated tests using Java across APIs, journeys and integrations. You will work with developers, DevOps and product teams to ensure robust release evidence and...Read More>>.

IBM Consulting UK FutureNow is seeking a Quality Engineer with automation experience to build reliable automated tests for our applications. You will develop automated test scripts, support CI/CD integration, and work with developers and DevOps to...Read More>>.

Medidata is seeking a Technical Support Engineer to serve as the primary contact between support and core engineering teams. You will diagnose, test, and document defects, craft fixes, and communicate status to clients within a hybrid work environ...Read More>>.

Arm is seeking a Portfolio Software Full Stack Engineer (Contractor) to join the Portfolio Team. The role focuses on backend development using Node.js and TypeScript, with an emphasis on system design, architecture and code quality.Frontend...Read More>>.

LinuxRecruit is seeking a Backend Engineer to design and scale the infrastructure powering an AI-native platform for enterprise clients. Join a skilled team and take ownership of building scalable systems that handle large-scale AI workloads and c...Read More>>.

Scrumconnect Consulting is seeking a highly skilled QA Automation Tester to design and implement automation frameworks across UI, API, and microservices-based applications for government digital services. You will drive automation from ground up,...Read More>>.

JAC Recruitment (UK) Ltd. is seeking a Systems Sr. Specialist to join a global retail company located in London. This hybrid position requires extensive experience in enterprise applications, API architectures, and security compliance. You will le...Read More>>.

TXP is seeking a Mid-Level Java Developer for a remote, UK-based contract role (Inside IR35). You will join a distributed engineering team delivering modern software, APIs, cloud-native apps, and AI-powered solutions.The role emphasizes str...Read More>>.

IBM Consulting UK FutureNow seeks a Backend Java Developer to design and deliver high-quality applications using Java/JEE and modern web technologies. You will build new features, integrate systems, and apply best‑practice engineering principles...Read More>>.