Average salary: £112,499 /yearly
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- £37k - £50k per annumEstimated...API Developer (SC Cleared) Location: Remote (with occasional on-site visits as required) Work Pattern: Full-time, permanent or contract Security Clearance: Must hold active SC Clearance The Company At Amber Labs, we are a cutting-edge UK and European technology...SuggestedPermanent employmentFull timeContract workRemote workFlexible hours
£400 - £450 per day
...Job Title: API Developer Location: London - 2 days per week in the office Salary/Rate: Up to £450 Per Day (Inside IR35) Start Date: 17/11/2025 Job Type: Contract (6 months) Role Overview: We have an exciting opportunity for a skilled API Developer to join...SuggestedContract workWork at office2 days/week- £58k - £77k per annumEstimated...Permanent Java Full Stack Developer - Data Warehouse - Hedge Fund - Angular, Kafka, RDBMS, Rest API Our client is looking for a skilled Full Stack Developer to enhance our Enterprise Reference Data platform, the central source of financial data across the firm. You will...SuggestedPermanent employmentFull timeWork at office5 days/week
- £143k - £192k 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...SuggestedLong term contractFull timeTemporary workWork at officeWork from home5 days/week
£70k - £90k per annum
...engineering, product management, design, and quality assurance, to develop cutting-edge features that power our platform. Key... ...Required Skills: Proven experience designing and building REST APIs (ideally with Flask, FastAPI, or similar frameworks). Expertise...SuggestedFull timeRemote work- Front End Developer with Java ? Central London Our Client is looking to recruit a Front End Java developer with at least 3 to 5 years solid... ..., XSD ** jQuery and extensive use of plugins Social Media APIs and aggregators e.g. GIGYA OO Design and Programming Web debugging...SuggestedDaily paidContract work
Nexus Jobs Limited
London26 days ago £65k per annum
...BNPP, Ford, Kia, Toyota, Linklaters, Clifford 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...SuggestedFull timeHybrid workNo agencyWork at office3 days/week- ...ROLE, HYBRID TRAVEL TO BRISTOL & LONDON, SC CLEARANCE NEEDED** Develop and maintain web applications: Design, code, test, and deploy scalable... ...services: Build and maintain server-side logic, databases, and APIs using Spring and Java Experience of Cloud Native microservices...SuggestedTemporary workHybrid workShift work
LA International Computer Consultants Ltd
London1 day ago - ...with implementing service-oriented architecture (SOA) Designs and develops Enterprise application integration (EAI) using any ESB products... ...Expert level experience with SOAP and REST web services , open API development, and SOA concepts, using Spring with groovy, XML, JSON...SuggestedContract workFlexible hours
Nexus Jobs Limited
Stratford, Greater London26 days ago - ...behalf of this organisation, AMS are looking for 3 - Full Stack Developers for a contract until end of 2025 based Remotely. Purpose of the... ...agent frameworks and AI/ML integration. Experience working with APIs (REST/DAST). Strong understanding of Agile/Scrum delivery. Next...SuggestedContract workTemporary workInterim roleRemote work
AMS Contingent Workforce Solutions
London3 hours ago - ...Java API specialist Developers (London UK) • 5+ years development experience using TDD in Java 8+ • Experience developing with Spring and Spring Boot • Experience developing RESTful web services on a Microservices architecture • Expert in Agile methodologies and Scrum...SuggestedContract work
£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£53k - £60.5k per annum
..., .NET Core, Entity Frameworks, and SQL Server. Familiarity with APIs, GIT, and Agile methodologies is essential. A general background... ...SQL ASP.NET Windows More: This is a new permanent developer position with us, offering an office-based work environment for 3...SuggestedPermanent employmentFull timeWork at officeImmediate start3 days/weekJump IT Recruitment
Croydon, Greater London1 day ago£60k - £95k per annum
...GDPR), and EDI standards (e.g. FHIR, HL7), etc. is very valuable. Developer certifications of Azure and/or Microsoft suite technologies is a... ...Azure integration tools like Data factory, LogicApps, Functions, API Management, Data catalog, WebApps, Integration service...SuggestedFull timeRemote workNexus Jobs Limited
London26 days ago£45k - £50k per annum
...on you to engage in software and systems development, including API integration tasks. Your contributions will be integral to our Software... ...SQL Windows ASP.NET More: This is a new permanent developer position with office-based work expected 3-4 days a week. We are...SuggestedPermanent employmentFull timeWork at office3 days/weekJump IT Recruitment
Croydon, Greater London4 days ago- £68k - £87k per annumEstimated...experienced professional to our team as the Fully Remote Automation & AI API Integration Lead. In this pivotal role, you will be responsible... ...problem-solving skills and the ability to think creatively to develop innovative solutions. Strong communication and interpersonal...Full timeRemote work
- £46k - £60k 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...Long term contract
- ...ll lead the design and implementation of robust, high-throughput APIs and backend systems. Everything we build is grounded in open web... ...that handle millions of transactions daily with low latency Develop and maintain secure, event-driven integrations via webhooks and callback...Long term contractHybrid work3 days/week
£60k - £75k per annum
C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit... ...Integrating to external reporting/tradeflow and pricing APIs. Maintaining the company?s daily operation on the existing platforms...Full timeWork at officeNexus Jobs Limited
City of London, Greater London26 days ago- £50k - £64k per annumEstimatedAWS Developer Our client is looking for an AWS Developer. The role will focus on development and integration tasks related to AWS infrastructure and API Gateway technologies, specifically Apigee. Key Responsibilities * Develop and maintain AWS components to support API services...Full timeContract work2 days/week
LA International Computer Consultants Ltd
London2 days ago £30k - £40k per annum
Software Developer with Full Stack C# and SQL Server Our Client is an international company in the media industry. They are looking to recruit an additional Software Engineer/Developer with full stack software development experience. Must have at least 2 to 4 years of...Full timeNexus Jobs Limited
London26 days ago- £60k - £79k per annumEstimatedGoogle Go Lang developer required to help create suite a of APIs that over 200k developers use to build fast AI applications. Golang experience is essential ideally with a background in Python and webapp programming knowledge of Next.js. Responsibilities Software Development...Permanent employment
- £91k - £122k per annumEstimatedAWS Technical Lead A Technical lead with experience leading an API-driven digital platform hosted on AWS is needed. Your role will involve... ...systems. * Certifications: AWS certified (e.g. AWS Certified Developer - Associate or higher). Candidates need to be based in the UK....Full timeContract workHybrid workWork at office
LA International Computer Consultants Ltd
London2 days ago - ...ensure reliable and privacy-compliant data ingestion and modelling. * Develop and maintain robust campaign QA processes, ensuring flawless... ...User Attributes o Liquid Templating for personalization o Braze APIs and SDK integrations * Strong proficiency in data modelling, customer...Contract workHybrid workWork at officeImmediate startRemote work
LA International Computer Consultants Ltd
London2 days ago $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,...Remote jobHourly payLive inFlexible hours£27k per annum
Internet Developer Software development company, producing policy administration systems and customer portals for the Life Insurance market. Seeking an individual with good experience in development experience in Java and Javascript /analysis/design experience in an IT...Full timeMonday to FridayNexus Jobs Limited
Stratford, Greater London26 days ago- We urgently require a Front-End Java Developer with at least 3 to 5 years experience of developing global digital marketing platform to provide a complete web experience management solution for Customer to market products & services to learners on a global scale. The candidate...Daily paidContract workImmediate start
Nexus Jobs Limited
Canary Wharf, Greater London26 days ago - Backend Java Developer ? City London We are urgently looking to recruit a Java backend Developers with at least 5 years experience. Must have strong Data structures and Algorithms experience. Also experience of Spring, working with large code base, SQL, Unix etc. You...Contract work
Nexus Jobs Limited
City of London, Greater London26 days ago £25k - £30k per annum
About the Job Linux and Virtualisation Software Developer Our Client is looking to recruit a candidate with experience of developing software... ...Chef (also valid Puppet, Saltstack, Ansible) Understanding of API documentation, implementation and supporting customers using...Full timeNexus Jobs Limited
London26 days ago£60k - £90k per annum
...GDPR), and EDI standards (e.g. FHIR, HL7), etc. is very valuable. Developer certifications of Azure and/or Microsoft suite technologies is a... ...Queries, Datatype conversions, etc.). Experience working with APIs, Postman/SOAPUI tools, MS D365, ServiceNow, Azure Analytics tools...Full timeRemote workNexus Jobs Limited
London26 days ago
