Average salary: £83,798 /yearly
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£450 per day
...Job description Mid-Level .NET / Full Stack Developer – Hybrid – £450/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven We have a great opportunity for a Mid-Level .NET / Full Stack Developer to join a growing payments company. As...SuggestedFull-timeHybrid workingOn-siteCity of London, Greater London1 day ago- Contract Job Title: Data Engineer, AI & Data, Defence & Security (DV clearance required) Contract Start Date: March 2026 Contract Length: Likely 6 months Contract Classification: Inside IR25 Contract Location: London (2/3 days in the office) Azure apps development...SuggestedOn-site
$200k per annum
...This is a remote position. The employer develops a breakthrough high-performance onchain exchange that delivers institutional grade execution... ...layers to be consumed by the UI and Risk Dashboards via scalable APIs and WebSockets. System Architecture: Define the high-...SuggestedPermanentRemoteFlexible hours- £41k - £55k per annumEstimatedWe are seeking a talented and motivated Frontend Developer with strong expertise in TypeScript to join our growing development team. In this... ...followed. Collaborate with back-end developers to integrate RESTful APIs and handle data flow effectively. Knowledge and Skills:...Suggested40 hours/weekFull-timeHybrid workingOn-site
- £39k - £50k per annumEstimated...applications. You will work closely with designers and back-end developers to create seamless user experiences using modern front-end technologies... ...end frameworks (React, Vue, or Angular) - Knowledge of RESTful APIs and async request handling - Familiarity with version control...SuggestedFull-timeCity of London, Greater London8 days ago
£55k - £65k per annum
Senior Front-End Developer London - Hybrid £55,000 - £65,000 + Private Medical + Good Pension + Life Assurance + 25 days holiday + Gym + Flexible... ...- Experience integrating front-end applications with backend APIs - Excellent problem-solving and communication skills - A...SuggestedFull-timeHybrid workingFlexible hours£59k - £99k per annum
...JavaScript or TypeScript Experience building and integrating REST APIs Strong SQL Server or Azure SQL experience Experience... ...Design, build and maintain full stack features end to end Develop clean, reusable and maintainable code across frontend and backend...SuggestedFull-timeHunter Healthcare Resourcing Limited
Holborn, Greater London16 hours ago£15k - £20k per annum
...R Programming, Delivery Management or Business Analysis Experience building user-facing applications (web UI) and backend services/APIs Experience delivering innovative and proof-of-concept work projects Experience working with AI tools and integrating them into real...SuggestedDaily payFull-timeTXP
City of London, Greater London4 days ago£69k - £109k per annum
...HTML, CSS, and modern JavaScript ES6+ Experience with RESTful APIs, gRPC, SQL/NoSQL databases Familiarity with Git, containerisation... ...work independently and in a team Responsibilities: Design, develop, test and deploy scalable full stack solutions Deliver new...SuggestedFull-timeHybrid workingPertemps Cambridge
Holborn, Greater London16 hours ago- £37k - £47k per annumEstimated...Key responsibilities: Build and maintain server-side logic using modern backend frameworks (e.g. Node.js, Python, Go) Work with APIs — designing, integrating, and maintaining RESTful endpoints Support database design and optimisation (e.g. PostgreSQL, MongoDB) Collaborate...SuggestedFull-timeInternshipCity of London, Greater London8 days ago
- £38k - £51k per annumEstimated...Brandtech Group, formerly known as You & Mr Jones, working with partners developing the best technology across the globe. ROLE OVERVIEW... ...Cloud Backend Engineer (AWS / GCP), Platform Engineer – AdTech, API Developer (Backend), High-Performance Systems Engineer,...SuggestedPermanentFull-timeApprenticeshipInternshipHybrid working
€90k - €130k per annum
...remote position. This company is a Web3 player offering a unified API to access all on-chain liquidity across major blockchains in... ...and cross-chain swaps. They are looking for a Backend Developer with a dedicated focus on integrating Hyperliquid functionalities...SuggestedPermanentFull-timeOn-siteRemoteFlexible hours$150k - $200k per annum
...bring on-chain perpetuals trading to the mainstream They are looking for a Senior Backend Developer who will own the infrastructure powering data pipelines, APIs, real-time delivery, and the databases underneath. This role is ideal if you thrive in ambiguous...SuggestedPermanentFull-timeRemote- £38k - £51k per annumEstimated...React Native) Contribute to our Python backend and help improve API performance Collaborate on database design and write efficient... ...to work closely with designers, product managers, and other developers Educational Interest: Passion for education and learning, though...SuggestedFull-timeCity of London, Greater London3 days ago
£63k - £103k per annum
...Salary: £63,000 - 103,000 per year Requirements: Strong commercial experience developing backend systems using Python Experience building modern APIs Proficiency in React, JavaScript, or TypeScript Familiarity with AWS cloud services such as Lambda, EC2, S3, RDS...SuggestedFull-timeFixed-term contractOn-siteRise Technical Recruitment Limited
Westminster, Greater London16 hours ago£60k - £70k per annum
...Salary: £60,000 - 70,000 per year Requirements: Strong experience in Python backend development Commercial experience developing RESTful APIs and backend systems Experience building modern web applications using React Strong understanding of SQL databases, data...Full-timeRise Technical Recruitment
Camden Town, Greater London7 days ago- £53k - £71k per annumEstimated...experience in a technical support, site reliability, or escalations engineering role. Proven experience integrating with multiple external APIs. Experience with database design and performance tuning, particularly with PostgreSQL. Experience designing and maintaining...Full-timeHybrid workingRemoteCity of London, Greater London3 days ago
£60k - £80k per annum
...deployment workflows Strong communication skills, capable of leading production incident responses Experience with building RESTful APIs and managing JSON serialization Knowledge of secure authentication methods such as JWT or SSO Familiarity with background...Long-term contractFull-timeRise Technical Recruitment
Fulham, Greater London23 hours ago- £53k - £71k per annumEstimated...the people and for the betterment of Humanity. We work towards developing AI products that make a positive impact on humanity in an ethical... ...and SwiftUI (with occasional UIKit where needed) Work with REST APIs to display personalised health and longevity insights, and...Full-timeInternshipHybrid workingOn-siteShift workCity of London, Greater London3 days ago
£70k - £90k per annum
...Holborn Our Client wants to recruit a Senior Front End Software Developer with at least 7 to 10 years expertise of working with D3 React... ...manipulation and the JavaScript object model Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web...Full-time- £63k - £81k per annumEstimated...Senior Developer a0GP900000F3DL3.1 Senior Developer - Healthcare Projects Location: UK Remote Rate: £300-350 Inside IR35 Duration: 6 months Start: January (BPSS clearance required before start; SC likely to follow) Fully Remote Need NHS Experience...Remote
£30k - £60k per annum
...Ensure compatibility with modern .NET and Umbraco best practices Update document types, custom data components, dependencies, and API integrations Resolve any breaking changes introduced across previous versions Collaborate closely with internal stakeholders across...Long-term contractFull-timeRemoteHays Technology
City of London, Greater London8 days ago£30.5k - £104.5k per annum
...TypeScript trading UI, delivering real-time streaming data and a seamless user experience Integrate the UI with RESTful and streaming APIs (built in Rust and Python) Own performance improvements across dashboards, widgets, and live data visualisation Collaborate with...Full-timeIntec Select Ltd
South Kensington, Greater London6 days ago$180k per annum
.../Google Pay). Design and implement idempotent, fault-tolerant APIs and robust webhook processing systems. Integrate and manage third... ...together processors, bank statements, and on-chain balances. Develop daily break detection and automated remediation workflows to...PermanentFull-timeImmediate start£45k - £60k per annum
...automation and customer acquisition. We are looking for a senior web developer to join our small agile team. You will be responsible for 6... ...and experience of hosting solutions ~ Experience with standard APIs ~ Experience with the maintenance, support and enhancements of...PermanentFlexible hoursNight shift£65k - £75k per annum
...solid understanding of back-end development concepts, including APIs and authentication. A strong eye for UI/UX design, with experience... ...and prototyping being a bonus. Responsibilities: Develop and enhance user-facing interfaces for our immersive platform, ensuring...Full-timeHybrid workingJonathan Lee Recruitment Ltd
Hoxton, Greater London8 days ago£50k - £60k per annum
C# .NET Software Developer with FX Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software... ...Integrating to external reporting/tradeflow and pricing APIs. Maintaining the company?s daily operation on the existing platforms...Full-timeOn-site- £36k - £47k per annumEstimated...Senior Software Developer- Hybrid, Glasgow Nice to meet you! We’re a leader in data and AI. Through our software and services, we inspire... ...REST services using cloud native services and SAS’s internal API’s Design and develop high quality, testable and scalable software...Full-timeHybrid working
£60k - £90k per annum
...software. You possess exposure to GPU technology (such as Vulkan API, OpenGL, OpenCL, CUDA, etc.). A relevant degree is required.... .... You will collaborate with our team of exceptionally talented developers to create innovative solutions in a next-generation, scientifically...Full-timeHybrid workingPlatform Recruitment
Covent Garden, Greater London7 days ago£121k per annum
...Senior SharePoint & M365 Developer -TOP Consulting Company! UK Based Fully Remote Permanent role only Robert Half Ltd is partnering... .... Strong experience with JavaScript, TypeScript, React, REST APIs and Microsoft Graph is essential Responsibilities Solution...PermanentRemoteRobert Half
City of London, Greater Londona month ago
