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  • £600 - £625 per day

     ...Proven experience as a  Business Analyst / Technical Business Analyst with business facing experience Strong hands‑on experience with  API integrations  Experience in the  Lloyd’s / London Market (specialty insurance) Ability to work closely with underwriting teams... 
    Suggested

    William Alexander

    London
    5 days ago
  • £64k - £83k per annumEstimated
     ...everyone, everywhere. More about our mission . Job Description We’re looking for an experienced Engineering Lead to join our API Experience team. You’ll lead and manage a team of engineers building the tooling and infrastructure that enables partners to securely... 
    Suggested
    Long-term contract
    Full-time
    Relocation

    Wise

    London
    16 days ago
  • £50k - £67k per annumEstimated
     ...Manager Location Cardiff Job type Full time Team Product We are looking for a Technical Product Manager to join the API team, driving the product direction. This is a highly technical role, the ideal candidate will have worked in a technical role... 
    Suggested
    Full-time
    Hybrid working

    Creditsafe

    Cardiff
    26 days ago
  • $200k per annum

     ...ideally two or more of the following areas: Test-Driven Development Event-Driven Architecture Domain-Driven Design REST API Design Security (e.g. OWASP top 10) Leadership, Communication and Management (in the context of software teams). We also deliver... 
    Suggested
    Remote job
    Hourly pay
    Live-in
    Flexible hours

    Skiller Whale

    London
    more than 2 months ago
  • £65k per annum

     ...Chance, Freshfields etc. Senior PHP Developer: We are looking for someone to help oversee the next phase of development of our REST APIs. While we have highly skilled developers within our teams, your role will be to provide a more holistic view to our product offering... 
    Suggested
    No agency
    Hybrid working
    On-site

    Eventogy

    London
    20 days ago
  • £49k - £64k per annumEstimated
     ...Join the team behind  Price Service -a mission-critical 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 million UK shoppers every week , with global reach on the horizon... 
    Suggested
    Full-time
    Part-time
    On-site
    Remote

    Tesco

    Welwyn Garden City, Hertfordshire
    16 days ago
  • £66k - £85k per annumEstimated
     ...standardised application templates and golden-path tooling. •         Bonus: experience with eCommerce, pricing, or high-throughput API systems. Our vision at Tesco is to become every customer's favourite way to shop, whether they are at home or out on the move. Our core... 
    Suggested
    Full-time
    Part-time
    On-site
    Remote

    Tesco

    London
    more than 2 months ago
  • £45k - £60k per annumEstimated
     ...As Platform Lead for Middleware, MSA and API Gateways, you will shape and drive the strategy, performance and evolution of a critical integration platform estate at the heart of Virgin Media O2’s technology landscape. This role blends strategic leadership with operational... 
    Suggested
    Full-time
    On-site
    Flexible hours

    VMED O2 UK Limited

    London
    11 days ago
  • £63k - £81k per annumEstimated
     ...opinions, motivations, and behaviours. Job Description The Opportunity Join our Product Team as Senior Product Manager, Supply API and take ownership of the products that connect a large global network of suppliers to the Cint Exchange. Our Supply APIs are developer... 
    Suggested
    Full-time
    Remote

    Cint

    London
    3 days ago
  • £76k - £101k per annumEstimated
     ...their teammates. About the team You will work on the team that is responsible for the backend services that power grok.com and our API. Our team is currently based primarily in London with a small but growing number of engineers located in Palo Alto. We focus on writing... 
    Suggested
    On-site
    Work from home
    5 days/week

    xAI

    London
    more than 2 months ago
  •  ...technology that accelerates the global energy transition, you’ll feel right at home with us. Position Summary The Product Manager for API owns the strategy and delivery for one of ENSEK's most critical platform capabilities: the API-as-a-product framework . In this role... 
    Suggested
    Long-term contract
    Remote

    ENSEK

    Nottingham
    a month ago
  • £107k - £262k per annum

     ...in Rust. So familiarity with a compiled language such as C++, Rust, or Go is highly beneficial. RESPONSIBILITIES: Build the xAI API that serves our models to developers worldwide Own the end-to-end system responsible for high-throughput inference, handling billions... 
    Suggested

    xAI

    London
    1 day ago
  • £41k - £55k per annumEstimated
     ...ensure the quality and reliability of high-impact, real-world logistics applications. Expect to tackle complex challenges involving deep API validation, mobile performance strategy, and seamless CI/CD integration to protect our core mobile and backend ecosystem. The Role... 
    Suggested
    Full-time

    Zippd

    Manchester
    more than 2 months ago
  • £69k - £92k per annumEstimated
     ...organization focuses on developing products and platforms that enable users to accept payments from customers efficiently. This includes building APIs for processing payments, enabling regional, non-card payment options, and extending Stripe's capabilities to make it easy for... 
    Suggested
    Hybrid working

    Stripe

    United Kingdom
    9 days ago
  • £65k per annum

     ...C# API Developer £65,000 Plus Bonus Home work and flex work encouraged Quant Capital is urgently looking for a C# .NET Developer to join our high profile client. Our client is the world leader in Market data management systems, with clients globally such... 
    Suggested
    Work from home

    Quant Capital

    London
    more than 2 months ago
  • £60k - £80k per annumEstimated
     ...hardware vendors, to deliver key platform technologies.   What you’ll be doing   ~ You will be working on the current and future rendering APIs used by PlayStation games, as well as the hardware underpinning them.   ~ You will design and implement features that enable... 
    Long-term contract

    PlayStation Global

    London
    1 day ago
  •  ...API Tester Functieomschrijving Als API Tester binnen een financieel georiënteerde omgeving speel je een sleutelrol in het garanderen van de kwaliteit van bedrijfskritische toepassingen en processen. Je focust in eerste instantie op het onderhouden, verbeteren en automatiseren... 
    Freelance

    Vivid Resourcing

    Belgium
    12 days ago
  • £35k - £45k per annum

     ...mentor other members of the team who are less senior. Essential skills: Microsoft .Net Framework / C# ASP.NET – WebForms, MVC, Web API Entity Framework SQL Server – Ability to design and modify table schema and stored procedures Javascript If this is your... 
    Permanent

    Dynamic Nation

    Northamptonshire
    more than 2 months ago
  •  ...Contract Algo Trading Java Developer - eTrading, low latency, Java APIs, Multithreading, FIX Our Investment Banking client is looking for an Algo trading Java developer to join the team to work on new initiatives and support for business critical algorithmic trading engines... 
    Hybrid working
    London
    5 days ago
  • £58k - £75k per annumEstimated
     ...About the company Terra is the health operating system. We make it easy for developers and AIs to build on health data. hundreds of wearables...  .... downstream is the developers and AI labs consuming through our API. you land deals, expand usage, and make Terra the infrastructure... 
    Full-time

    Terra API

    London
    a month ago
  • £65k - £85k per annumEstimated
     ...About the company Terra is the health operating system. We make it easy for developers and AIs to build on health data. Hundreds of wearables...  ...we are just getting started. The Role Terra is the unified API for health and fitness data. We connect developers and AI labs to... 
    Full-time

    Terra API

    London
    2 days ago
  • £73k - £94k per annumEstimated
     ...About the Company Terra is the health operating system. We make it easy for developers and AIs to build on health data. Hundreds of wearables...  ...trends and predictive signals Investigate how new sensors, APIs, and platforms are shaping the future of health tracking and... 
    Full-time
    Weekend work

    Terra API

    London
    2 days ago
  • £41k - £54k per annumEstimated
     ...About Terra API Terra is the leading health operating system: We make it easy for developers and AI to build on health data. 1,000s of developers and AI labs build on Terra today. We process 15+ billion health data events per year and we are just getting started. Terra was... 
    Hybrid working

    Terra API

    London
    11 days ago
  • £83k - £107k per annumEstimated
     ...About the Company Terra is the health operating system. we make it easy for developers and AIs to build on health data. hundreds of wearables...  ...Ingestion Pipeline — How provider data enters Terra from cloud APIs (Garmin, Fitbit, Oura) and mobile SDKs (Apple Health, Health... 
    Full-time
    Monday to Friday

    Terra API

    London
    2 days ago
  • £33k - £60k per annum

     ...About the company Terra is the health operating system. we make it easy for developers and AIs to build on health data. hundreds of wearables...  .... We are building multiple AI products, such as OdinAI, Graph API, and many more As an ai engineer, you'll work in a small team,... 
    Full-time

    Terra API

    London
    2 days ago
  • £65k - £85k per annumEstimated
     ...About the company Terra is the health operating system. We make it easy for developers and AIs to build on health data. hundreds of wearables...  ..., and out to downstream developers and AI consumers via our REST API, Streaming API, and webhooks. This is not a maintenance role. You... 
    Full-time

    Terra API

    London
    2 days ago
  • £53k - £70k per annumEstimated
    Tesco UK •  London •  Hybrid •  Full-Time •  Permanent •  Working hours 36•  Apply by 01-Aug-2026
    Permanent
    Full-time
    Hybrid working
    London
    8 days ago
  • £48k - £61k per annumEstimated
    Tesco UK •  Welwyn Garden City •  Hybrid •  Full-Time •  Permanent •  Working hours 36•  Apply by 01-Oct-2026
    Permanent
    Full-time
    Hybrid working
    Welwyn Garden City, Hertfordshire
    18 days ago
  • £55k - £71k per annumEstimated
    As an SDE2 at Tesco, you are a mid-level individual contributor whose impact reaches across your team. You provide technical leadership for medium to large features, participate in their design, and take accountability for delivery. You are expected to implement and ship end...
    Long-term contract
    Temporary
    On-site
    Remote
    Flexible hours

    Tesco

    Welwyn Garden City, Hertfordshire
    15 days ago
  • £90k per annum

    Company: HAYS DT - SOUTH COAST Job Type: Permanent Salary: £90000.00 - £90000.00
    Permanent

    HAYS DT - SOUTH COAST

    Watford, Hertfordshire
    a month ago