Average salary: £42,500 /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 London6 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£120k - £160k per annum
...Senior Rust Developer required for a high-performance trading environment, working on Real Time systems in a 24/7 production setting - £120... ...latency or high-throughput systems ~ Knowledge of WebSockets, REST APIs, and network protocols ~ Strong problem-solving and analytical...SuggestedFull-time- ...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
- £64k - £85k per annumEstimatedTesco UK • London • Hybrid • Full-Time • Permanent • Working hours 36• Apply by 01-Jun-2026SuggestedPermanentFull-timeHybrid working
- £43k - £56k per annumEstimatedJava Developer (Security Clearance) Position Description At CGI, we deliver secure, mission-critical systems that protect national interests... ...include: Design & Develop secure Java services and RESTful APIs Test & Assure through automated unit and integration testing...SuggestedFull-timeOn-site5 days/week
£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- ...Title: OutSystems Developer (Low-Code Orchestration) Location: London, UK. Mandatory Skills : OutSystems. Job Description... ..., and performance optimisations. 2. Integration & API Management • Integrate with backend systems (REST/SOAP APIs, databases...Suggested
£30k - £40k per annum
...operates. Working closely with operations and finance teams, you will develop a strong understanding of how processes function in practice,... ...software, accounting platforms, and payment providers via APIs Create and manage automation workflows using platforms such as...SuggestedPermanent- £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
- ...every time. What you’ll be doing We are looking for a Perl Developer with a strong interest in backend systems, domain modelling, and... ...Beneficial experience and skills: ~ Experience working with RESTful APIs ~ Familiarity with authentication mechanisms such as OAuth...On-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...Full-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€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
- ...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...
£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- £48k - £63k per annumEstimated...robotics solutions. What is your Day to Day Mission: Design, develop, and optimize frontend applications for controlling and... ...sensor data. Collaborate with backend engineers to integrate APIs and ensure seamless data flow between frontend and backend systems...PermanentFull-timeOn-siteFlexible hours
- £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
- ...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
- ...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...
- £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
- ...Lead Frontend Developer Remote with ad-hoc travel to Manchester || Experience within UK central government required The Company... ...similar). ~ Hands-on experience building and consuming REST APIs . ~ Strong knowledge of responsive design and accessibility...RemoteFlexible hours
£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 London6 days ago£35k - £55k per annum
...year Requirements: ~ We are looking for a Front End JavaScript Developer who is proficient in React.js. You should have strong proficiency... ...) is required. You should also be knowledgeable about RESTful APIs and modern authorization mechanisms, such as JSON Web Token. Familiarity...Full-timeOn-siteAscend Consulting
Mill Hill, Greater London8 days ago
