Average salary: £96,508 /yearly
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- ...Work Set Up: Hybrid (BPSS clearance required) Our client in the Information Technology and Services industry is looking for an API Developer to design implement and maintain secure API integrations and webhook configurations that enable real-time communication between internal...SuggestedHybrid workingRemote
- £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
- £40k - £53k per annumEstimated...We are looking for a a Backend Engineer to leading our API and database this role you will own the data layer that powers our platform... ...thirdparty APIs handling inconsistencies failures and schema changes. Develop and optimise API endpoints using Python and FastAPI to serve data...SuggestedFull-timeSummer workHybrid workingOn-site
£37k - £65k per annum
...freelance, placement, or strong portfolio) Experience working with APIs (REST/JSON) and handling real-world issues (errors, timeouts,... ...strong willingness to learn) - Nice to have Responsibilities: Develop and maintain internal systems and services in PHP Build and...SuggestedOngoing contractPermanentFull-timeFreelanceHybrid workingMac Group
Nantwich, Cheshire18 hours ago- ...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...SuggestedFull-timePart-timeOn-siteRemote
£40k - £70k per annum
...ownership of high-profile projects Experience designing and implementing scalable solutions for high throughput systems including WebSocket APIs and services Knowledge of queue or stream-based messaging systems (e.g., Amazon SQS, Kafka) Proficient in relational and non-...SuggestedFull-timeClient Server
Covent Garden, Greater London18 hours ago- ...client accounts and analytics, underpinned by a robust, security infrastructure. What you’ll be doing Design and develop scalable, high-performance REST APIs and microservices using C# and .NET Core. Implement cloud-native applications leveraging AWS services including...SuggestedOn-siteFlexible hours
£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£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£500 - £550 per day
Company: VALLUM ASSOCIATES Job Type: Contract, Full Time Salary: £500 - £550/daySuggestedFull-timeVALLUM ASSOCIATES
Sheffield12 days ago£40k - £70k per annum
...business impact Technologies: Backend CI/CD DevOps JavaScript Kafka PostgreSQL RabbitMQ Redis Unix NodeJS API More: We are a global cryptocurrency market data and trade execution technology company located in Central London, experiencing...SuggestedClient Server
South East London18 hours ago- £82k - £106k per annumEstimated...engineering leadership to contribute to an agile team dedicated to developing enhancing and delivering trusted market-leading technology... ...Your technical leadership will be crucial in implementing top-tier API management platform solutions and guiding the team toward integration...SuggestedFull-time
- £48k - £62k per annumEstimated...user-focused strategies. We are looking for a skilled Vue.js Developer to join our engineering team and play a key role in building... ...and responsive interfaces Integrate frontend applications with APIs and data services Optimise applications for performance, accessibility...SuggestedRemote job
REO Digital
England19 days ago - £43k - £57k per annumEstimatedCompany Description Depop is the community-powered circular fashion marketplace where anyone can buy sell and discover desirable secondhand fashion. With a community of over 35 million users Depop is on a mission to make fashion circular redefining fashion consumption....SuggestedFull-timeHybrid workingOn-siteRemoteFlexible hours
$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... ...Event-Driven Architecture Domain-Driven Design REST API Design Security (e.g. OWASP top 10) Leadership, Communication...Remote jobHourly payLive-inFlexible hours£54k - £60k per annum
...Experience with SQL, Oracle, or DB2 databases Knowledge of ACBS APIs, batch jobs, and reporting tools Experience with Unix/Linux... ...version control tools (Git, Bitbucket) Responsibilities: Design, develop, and maintain solutions within FIS ACBS Customize and enhance...Daily payFull-timeHybrid working3 days/week83zero Ltd
City of London, Greater London13 days ago£45k - £70k per annum
...skills in Liquid, HTML, CSS, JavaScript ~ Experience with Shopify APIs and custom integrations ~ Practical exposure to PHP/Laravel... ...automated deployments (nice to have) Responsibilities: Developing and customising Shopify themes using Liquid, HTML, CSS, and JavaScript...Full-timeHybrid workingReed Technology
Leeds18 hours ago£35k - £45k per annum
Job Description C# .NET, ASP.NET, MVC, WebForms, SQL Server, Developer This rapidly growing company that is based near to Milton Keynes... ...: Microsoft .Net Framework / C# ASP.NET – WebForms, MVC, Web API Entity Framework SQL Server – Ability to design and modify...Permanent£30k - £55k per annum
...Proven background in software engineering Proficiency in developing production-grade applications using Python Experience in designing... ...applications using C#/.NET Competence in building RESTful APIs and managing microservices-based architectures Strong familiarity...Full-timeSummer workSummer Browning Associates
Milton Keynes, Buckinghamshire18 hours ago- Company: SCOPE AT LIMITED Job Type: Contract
SCOPE AT LIMITED
London12 days ago - £53k - £70k per annumEstimatedTesco UK • Welwyn Garden City • Hybrid • Full-Time • Permanent • Working hours 36• Apply by 03-Apr-2026PermanentFull-timeHybrid working
£36k - £60k per annum
...easiest solution Deep technical knowledge, particularly around APIs and API development Proven ability to lead, influence, and... ...to ensure controls are effective, usable, and genuinely improve developer experience. The Standards and Control team is focused on improving...Long-term contractFull-timeHybrid workingVANLOQ LIMITED
Sheffield18 hours ago- £53k - £69k per annumEstimated...Senior Developer Foster + Partners At Foster + Partners , we design some of the world’s most ambitious and influential buildings. Behind... ...Contributing to technical documentation, architecture, and API specifications Working within Agile/Scrum teams and CI/CD environments...
Foster + Partners
Battersea, Greater London22 days ago - ...Technology and Services industry is looking for an Icon Payments Developer to design, develop, and maintain high‑performance payment processing... ...and settlement flows. ~ Experience with Spring Boot, REST APIs, JMS, and SQL or Oracle. ~ Familiarity with CI/CD pipelines, Git...Hybrid workingRemoteFlexible hours
- £44k - £57k per annumEstimated...approaches to build solutions or break down technical problems Develops secure high-quality production code and reviews and debugs code... ...and respect Expand the capabilities and adoption of the modern API gateway for external and internal Payments Web APIs High attention...Full-time
£25k - £50k per annum
...in Python, Go, Java, or Node.js Experience with cloud-native API and Pub/Sub Expertise in OAuth2, OIDC, JWT, SAML Familiarity... ...Responsibilities: Build secure APIs to support our projects Develop event-driven workflows for identity management Create cloud-...Full-timeHybrid workingGCS
Sheffield18 hours ago- £41k - £53k per annumEstimated...expertise in object-oriented design utilizes test frameworks for UI and API applies agile development methodology and demonstrates an... ...aspects of the project life cycle. Gathers analyzes synthesizes and develops visualizations and reporting from large diverse data sets in...Full-time
£30k - £60k per annum
...JSON JavaScript Liquid Marketing SCSS Shopify TypeScript UX UI Design API Web More: We are looking for a Mid-weight Front-End Shopify Developer to join our team and play a key role in scaling our global DTC e-commerce experience, particularly...Full-timeOn-site5 days/weekHays Technology
Acton, Greater London18 hours ago- ...authentication using SASL/LDAP & authorization using Kafka ACLs in Zookeeper, Broker/Client, Connect cluster/connectors, Schema Registry, REST API, Producers/Consumers, KSQL SSL Certificate management including public key management Setting up monitoring tools such as...
