Average salary: £93,862 /yearly
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- £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...SuggestedOn-siteWork from home5 days/week
- £68k - £90k per annumEstimated...efficient financial markets infrastructure. At Flowdesk, our APIs are how the outside world trades with us. We’re opening a new... ...clear, accurate, and up-to-date API documentation that external developers actually want to read. Build secure, robust authentication flows...SuggestedFull-time
- £66k - £85k per annumEstimated...This role sits at the intersection of core Java engineering and developer experience. You'll write high-quality production Java, but you'll... ...Bonus: experience with eCommerce, pricing, or high-throughput API systems. Our vision at Tesco is to become every customer's favourite...SuggestedFull-timePart-timeOn-siteRemote
£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...SuggestedWork from home£90k per annum
...00 per year Requirements: ~ We are looking for candidates with software engineering experience, focusing on backend development and APIs. Strong skills in C# .NET are essential for building APIs and services, alongside solid SQL knowledge for database querying, basic optimization...SuggestedPermanentFull-timeHybrid workingOn-siteFlexible hoursHalian Technology Limited
Soho, Greater London3 days ago£350 - £500 per day
...API Software Developer – HIRING ASAP Start date: ASAP Duration: 12-month contract Location: Remote Rate: £350 - £500 per day PAYE Summary Our client is seeking a skilled Software Developer for a temporary assignment based in London, UK. This position offers...SuggestedTemporaryImmediate startRemote$200k per annum
...capable of through live sessions led by subject-matter experts. Developers attend a 60-90 minute session every week or two, learning... ...Development Event-Driven Architecture Domain-Driven Design REST API Design Security (e.g. OWASP top 10) Leadership,...SuggestedRemote jobHourly payLive-inFlexible hours- £64k - £85k per annumEstimatedTesco UK • London • Hybrid • Full-Time • Permanent • Working hours 36• Apply by 01-Jun-2026SuggestedPermanentFull-timeHybrid working
- £49k - £65k per annumEstimated...Goland Developer Times Fastest Growing Quant Capital is urgently looking for a Golang Developer to join our high profile client in their... ...t have to be commercial PostgreSQL Celery Ideally APi Development You will gain exposure to NumPy, SciPy, pandas,...Suggested
- ...the Information Technology and Services industry is looking for a Developer to support the delivery of high-quality software solutions within... ...ensuring robust and scalable solutions. Design and implement APIs and microservices architectures to support system integration and...SuggestedHybrid workingRemoteFlexible hours
£350 per day
...Shopify Developer - London - £350 p/d outside IR35 - 6 months I'm hiring a Senior Shopify Lead for a 6‑month contract to lead a complex... ...including a major re-platforming. * Deep knowledge of Liquid, Shopify APIs, Functions, Checkout Extensibility, Markets. * Strong...SuggestedHybrid workingImmediate start- £48k - £66k per annumEstimated...to expand our team with the addition of an experienced Microsoft developer / lead developer that has an appetite for technical design and the... ...strong understanding of Logic Apps, Web Apps, Service Bus, Azure Functions, API Management and other Azure integration resources?...SuggestedFull-timeRemote
£90k per annum
...NodeJS Developer – Fintech To £90,000 Quant Capital is urgently looking for a JavaScript / NodeJS Developer to join our high profile... ...Work closely with the platform engineering team to flesh out APIs and prototype quickly. Define and create test suites proving your...SuggestedHybrid workingOn-site- ...clients, and provide outstanding customer service every time. What you’ll be doing We are looking for a Perl Developer with a strong interest in APIs, integrations, and backend services to help drive the continued growth of our PayProp platform. ~ Prototype product...SuggestedOn-siteFlexible hours
- £40k - £53k per annumEstimated...your time designing, building and scaling the backend services and APIs that power EMMA. This is a hands-on engineering role where you... ...system that is growing fast. WHAT YOU WILL DO Architect, develop and optimise scalable, secure backend services using Node.js, TypeScript...SuggestedFull-timeHybrid workingRemoteFlexible hours
£50k per annum
...Senior Front Office Developer – HFT Senior Software Engineer, Quant trading – Python, RUST, C++ London (Hybrid) £150,000-2000,000 + £50k+... ...Proficiency in inter-process messaging, micro-service architectures, and API design. Familiarity with Functional Programming and Immutable...Hybrid working£60k - £66k per annum
...participating in T24 upgrade and integration projects (including API integrations). Excellent understanding of T24 TAFJ running on... ...system performance and security. Analyze business requirements to develop technical specifications and resolve operational issues....Full-timehireful
London12 days ago- ...Role Description As a Frontend Developer at Eeze, you will be part of a fast-paced, innovative team building web-based gaming applications... ...-end developers and designers to ensure seamless integration of APIs and UI/UX designs. Participate in code reviews, technical discussions...
€195k per annum
...Rust Developer Trading Remote Up to €195,000 Plus Stock Options and bonus Quant Capital is urgently looking for a Rust Developer... ...external tools to support trading activities Integrating the APIs of cryptocurrency exchanges, banks and brokers Setup and...Remote- £96k - £122k per annumEstimated...gather requirements and provide progress updates. Mentor junior developers, providing guidance on best practices and code reviews. Stay... ...across Android / iOS in Kotlin / Swift Understanding of REST APIs and GraphQL Comfortable working with projects partially or...Long-term contract
- £39k - £50k per annumEstimated...looking for We're looking for a detail-oriented Frontend Component Developer with solid experience in JavaScript frameworks, component-driven... ...enjoy the craft of building reusable UI, taking pride in clean APIs, thorough documentation and pixel-perfect implementation. This...Full-timeHybrid workingOn-siteWork from home
- ...Zaizi is looking for a Front End Developer with solid technology skills, who are also passionate about improving outcomes and the user experience... ...with AA Standard accessibility Experience with restful API’s Experience developing for all major currently used browsers...
£345.86 per day
...00 End Time : 17:00 Salary: £345.86 per day The Front End Developer is responsible for creating high quality web applications using HTML... ...template languages such as liquid, JavaScript, HTML, and CSS. API development, working with REST and OData protocols Strong...Full-timeInterimImmediate start- ...Position Overview Fourth are looking for an experienced Senior Developer to join the team in London to play a key technical role in our... ...(VB6 & Classic ASP) ~ Solid hands-on experience developing REST APIs using Microsoft stack ~ Unit testing and TDD ~ Jenkins/Azure...Hybrid workingOn-siteFlexible hours
- £85k - £112k per annumEstimated...front-end applications using a cutting-edge development stack. Develop complex interactions with multiple data sources, back-end systems... ...Knowledge of front-end to back-end integrations such as RESTful APIs, GraphQL, websockets, server side rendering. ~ Proficiency with...RemoteFlexible hours
- £82k - £108k per annumEstimated...single points of failure, using scalable architectural patterns. Develop secure code so that our customers and ourselves are protected... ...Experience with cloud technologies and distributed systems, RESTful APIs and web technologies. Knowledge of messaging frameworks....Long-term contract
- £95k - £126k per annumEstimated...the architecture, development, and evolution of the backend and API platforms that power our ecommerce, loyalty, and clienteling experiences... ..., analytics platforms, and other digital experience systems. Develop and own API governance, authentication, authorisation, and rate-...Long-term contractFull-timeRemote
- £80k - £104k per annumEstimated...resilient, and maintainable backend systems, including REST/GraphQL APIs, event‑driven architectures, and distributed services. Hands‑... ...scrum team, designed to help you reach your career goals and develop the skills you need to be your best self. An annual budget for...Full-timeHybrid working
£54k - £60k per annum
...Java and Python skills. ~ Experience with microservices, REST APIs, and distributed systems. ~ Proficiency in RDBMS (Oracle/SQL Server... ...Agile/Scrum methodologies (desirable). Responsibilities: Develop and maintain Java and Python applications, microservices, and...Full-timeHybrid workingQueen Square Recruitment Ltd
Holborn, Greater London3 days ago- £46k - £63k per annumEstimated...128176; Equity Options Our Client is looking for a Full-Stack Developer who thrives in a fast-paced, early-stage startup environment. You... ...application’s front-end and back-end. Design and implement scalable APIs and integrations with HRMs and project management tools....Remote jobFull-timeFlexible hours
