A leading recruitment agency is seeking a Senior Full Stack Engineer for a 12-month remote contract. The ideal candidate has at least 4 years of experience in Python and Flask, along with a strong grasp of SQL databases. Responsibilities include arch...Read More>>.

A leading retail technology company in London is seeking a Solution Architect to provide technical leadership for digital initiatives. The successful candidate will be responsible for architecting and designing end-to-end solutions across various cha...Read More>>.

Your role at V7:Own and maintain backend infrastructure and processes dealing with the input, output, and consumption of both radiological and pathological medical imaging scans.Build out infrastructure for import/export of an...Read More>>.

Hudl is seeking a Senior Software Engineer to join our Core Data team in London. In this role, you'll tackle complex engineering challenges and help shape the technical direction of the Global Sports Library by designing APIs and large-scale data...Read More>>.

A leading recruitment agency in FinTech is seeking an experienced Technical Author for a 12-month contract. You will create and maintain high-quality technical documentation for complex systems within the Payments and Financial Services sector. The i...Read More>>.

A leading fintech company is looking for a Senior Backend Engineer to design and maintain scalable backend systems. Ideal candidates will have extensive experience in TypeScript and Node.js, and proven expertise in the blockchain domain. The role off...Read More>>.

OverviewAlpaca is a US-headquartered self-clearing broker-dealer and brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, 24/5 trading, and more. Our recent Series D funding round brought our total investment to ov...Read More>>.

On is seeking a Lead/Senior Backend Engineer in London to enhance their customer communication platform. The role focuses on designing and building APIs while mentoring teams and guiding architectural decisions. Candidates should have over 8 years of...Read More>>.

xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals w...Read More>>.

NedGraphics, Inc. is looking for a Software Engineer (Cloud & Integrations) to enhance their products for the fashion and textile industries. You will develop cloud solutions, focusing on integrations and serverless architectures using AWS. The candi...Read More>>.

About the role Join the team behind Price Service—a mission‑critical HTTP API powering pricing and promotions across all of Tesco’s channels. From tills to websites and everything in between, our work touches the lives of over 28...Read More>>.

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organiz...Read More>>.

OverviewI need an expert to integrate the Workday API with another system for data synchronization.Key RequirementsExperience with Workday APIProven track record in system integrationStrong unders...Read More>>.

A leading open source software company is looking for a talented software developer to create new features and improve the Landscape codebase. The role involves remote collaboration with a global team, committing to high-quality code and automated te...Read More>>.

A global software innovator in London is seeking a skilled .NET Developer to join their dynamic team. In this role, you'll work on groundbreaking .NET and C# software products while enjoying the flexibility of remote work. The ideal candidate will ha...Read More>>.

Senior Software EngineerDay rate: £400 - £500 (inside IR35) – 6 month contract – London office, 5 days per week – Start: NowWhat You'll Be DoingDesign and build scalable backend systems using Java and the J...Read More>>.

A forward-thinking technology firm in Greater London is seeking an experienced IT Systems Solutions Architect to shape the architecture for large-scale systems. The role encompasses leading BSS platform strategies and API integrations while collabora...Read More>>.

Software Developer- C# API- Tonbridge London, United Kingdom Posted about 1 year ago Tech stack API React C REST Job Responsibilities Analysis, design...Read More>>.

Duffel in London is seeking a Software Engineer to design and build APIs for travel distribution. This is a hybrid role based in Shoreditch. You will integrate various travel providers while ensuring a fantastic developer experience.The ide...Read More>>.

Jefferson Frank is seeking a Senior Technical Application Support Specialist in Greater London, offering a salary up to £70k. In this role, you will provide application support, own incident management, and collaborate with senior stakeholders in...Read More>>.

A dynamic technology startup in London is looking for a Product Engineer focused on the Backend. This role involves scaling and evolving backend infrastructure, designing APIs, and implementing AI capabilities. The ideal candidate has strong skills i...Read More>>.

Miratech is seeking a Senior Amazon Connect Engineer in Greater London, UK. This role involves designing and maintaining enterprise-level integrations for Amazon Connect and AWS solutions, developing scalable APIs, and collaborating with cross-fun...Read More>>.

Systems Integration Engineer (Python, APIs, SQL) London, United Kingdom Posted 9 months ago This role is posted by our partner Jooble. Tech stack SQL REST Python RESTful AP...Read More>>.

Synapri is looking for an API & Integration Engineer to support integrations across an Azure-based cloud platform, ensuring services remain secure and stable. You'll design and maintain integration flows using Azure Logic Apps and Service Bus, whi...Read More>>.

Brown & Brown, Inc. is looking for a Software Tester to ensure the quality and functionality of their online platform. This role involves designing and executing tests to identify software defects and enhance user experience.Ideal candidate...Read More>>.

Mercor is seeking a Senior Software Engineer to design and maintain full-stack applications using Python in a remote capacity. This role requires strong proficiency in Python, API development, and experience with MCP systems.The ideal candi...Read More>>.

A dynamic technology company in Greater London is seeking talented engineers to develop APIs and micro-services while using emerging technologies within a collaborative team culture. Responsibilities include designing and optimizing products, as well...Read More>>.

Spotify is looking for a Senior Backend Engineer to join their team in London, England or Stockholm, Sweden. This role involves collaborating with a diverse engineering team to design and develop scalable backend services that enhance Spotify's su...Read More>>.

SharpAtoms is seeking experienced backend engineers in London to connect with enterprise technology opportunities. The role focuses on professionals who have built production-grade systems, not just project experience.Candidates will have t...Read More>>.

Client Server is seeking a Lead Software Engineer to join their London team. In this role, you'll lead a tech team, focusing on Python development and contributing to a core banking platform. You'll work collaboratively, balancing architecture wit...Read More>>.

Location: London (hybrid, 2–3 days per week in office) We are seeking a Backend Engineer to take ownership of our API and data infrastructure, building the core systems that power a large-scale, data-driven platform. This is a h...Read More>>.

Bodhi is seeking a Backend Engineer to take ownership of API and data infrastructure in London. The role focuses on designing robust data foundations, scalable pipelines, and high-performance APIs, directly influencing platform reliability and per...Read More>>.

Corriculo Ltd is seeking a Software Developer with strong Python skills for a hybrid role based in London. In this position, you will design and maintain internal applications and automation tools to improve business efficiency.The ideal ca...Read More>>.

Cint is seeking a Senior Product Manager to own the Supply API portfolio at the heart of the Cint Exchange. You will shape the developer experience, documentation, sandbox environments, and tooling to accelerate supplier integration and revenue....Read More>>.

Zinc in London is seeking a Senior Backend Engineer to join the Tech - Engineering team. You will build robust APIs and partner integrations that connect Zinc with ATS/HRIS tools, while collaborating with Product, customers, and partners to unders...Read More>>.

Fideres Partners LLP is seeking a Senior Software Engineer in London to expand and maintain the data infrastructure and software libraries supporting our economists’ quantitative research.You will gather requirements, contribute to sprint...Read More>>.

Wise in London, United Kingdom, seeks a Senior Software Engineer focused on the KYC Experience to design and build public-facing APIs and robust microservices that power partner integrations.You will own technical roadmaps, address reliabil...Read More>>.

Albert Bow is seeking a backend‑focused Senior QA Engineer / SDET to drive quality across complex trading systems. You will own test strategy, build robust automation for APIs, microservices and data validation, and work in a London hybrid setup...Read More>>.

Lorien in City of London is seeking a SITS Developer to join a specialist systems team responsible for the development, configuration, support, and integration of a business-critical student records platform. The role focuses on SITS StuTalk devel...Read More>>.

AlphaSights is seeking a Mid-Level Test Engineer to design and implement automated testing across frontend, backend, and APIs, ensuring quality at scale. The role focuses on test automation frameworks, CI/CD integration, and monitoring test failur...Read More>>.

AWS API Engineer / Data Architect - LondonReference Code: 473874-en_GBContract Type:PermanentProfessional Communities: Data & AIWho You Will Be Working WithYou...Read More>>.

OverviewFrench Speaking Technical Support – SQL & API / SAAS / Cloud - LondonFull-time job - 3 days in London office• Are you fluent in French and English ?• Do you have strong SQL experience ?• D...Read More>>.

EKFB is looking for an Interface Coordinator to join the team in Milton Keynes. The role central to the Interface team will involve governance of Undertakings & Assurances, monitoring compliance, and providing technical support. You will work clos...Read More>>.