1 to 25 of 47 Contract Senior Developer Jobs in London

Senior Go Developer 6 Months Contract London Hybrid or Fully Remote An exciting opportunity for a highly skilled Senior Go Developer to join a leading technology business on a contract basis. This organisation is recognised for its engineering excellence and is seeking a Senior Go Developer to help scale distributed systems and deliver high-performance solutions. In this role, the Senior Go Developer will design, develop, and implement data-intensive applications across the full engineering lifecycle. You'll architect and deliver microservices-based systems using Go (Golang), AWS, Kubernetes, Docker ...

Senior Go Developer London, UK 6 Month Contract An incredible opportunity for an experienced Senior Go Developer with strong backend engineering skills to join a prestigious tech client on a contract basis. Known for its high bar for engineering quality, this isn't your typical banking … fintech gig - contractors here are genuinely embedded, involved, and making meaningful impact from day one. As a Senior Go Developer, you'll play a key role in building mission-critical, data-driven services that power core parts of the platform. You'll take ownership across the full development ...

Senior Azure Developer - Active SC, Azure Service Bus, D365 Up to £550 per day (Inside IR35) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Developer with Active Security Clearance (SC), and expertise in Azure Service … Dynamics 365, to join a business-critical programme. Key Requirements: Proven experience working as a Senior Developer within the public sector Active Security Clearance (SC) Hands-on experience with Azure Service Bus and message queue systems. Microsoft Dynamics 365 and Power Automate expertise. Strong understanding of integration patterns ...

Senior Azure Developer - Active SC, Azure Service Bus, D365 Up to £550 per day (Inside IR35) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Developer with Active Security Clearance (SC), and expertise in Azure Service … Dynamics 365, to join a business-critical programme. Key Requirements: Proven experience working as a Senior Developer within the public sector Active Security Clearance (SC) Hands-on experience with Azure Service Bus and message queue systems. Microsoft Dynamics 365 and Power Automate expertise. Strong understanding of integration patterns ...

Senior/Lead Azure Developer (Azure Developer, Microsoft Azure, Node.js, Microsoft SDK, Graph API) Bring a new custom application to the market! Location no issue - work from home! 6 month contract, £400 - £450 per day OUTSIDE IR35. Remote role in the UK. We are looking … Senior Azure Developer/Lead Azure Developerwho specialises in building custom M365 applications that sit on Microsoft Azure. This role is for an Azure Developerwith deep experience using Microsoft SDKs, Graph API and enterprise integrations, not just front-end frameworks. You will be the hands-on technical ownerof ...

Senior Developer - £400PD - Remote We are seeking a skilled and collaborative Senior Developer to join our engineering team. In this role, you will contribute to the design, development, and maintenance of high-quality backend services and infrastructure platforms. You will work across a modern technology stack ...

Senior Developer - £400PD - Remote We are seeking a skilled and collaborative Senior Developer to join our engineering team. In this role, you will contribute to the design, development, and maintenance of high-quality backend services and infrastructure platforms. You will work across a modern technology stack ...

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 We're seeking Senior Developers to join a high-profile healthcare programme delivering modern, secure ...

Senior Developer - Healthcare Projects Location: UK Remote Rate: £(Apply online only) Inside IR35 Duration: 6 months Start: January (BPSS clearance required before start; SC likely to follow) Fully Remote Need NHS Experience We're seeking Senior Developers to join a high-profile healthcare programme delivering modern, secure ...

Senior Python Software Developer (SC Cleared) Duration: 12 Months Location: London & remote (hybrid) Rate: £650 per day IR35 Status: Inside Start: ASAP A Senior Python Software Developer (SC Cleared) is required for our government client, where you will be working on a specific project where they … transforming and redesigning their data hub, which provides access to a variety of public sector data. We require an experienced full stack developer with extensive Python experience. You will have previous experience developing across a number of services on the front end and back end including Web Services. Proficient ...

Senior Developer 6 months Remote Inside IR35 - Umbrella only Active SC security cleared or eligible candidates will be considered Experience: Experienced in TDD and working with complex data challenges. Python as the preferred back-end language for new services, however we also need to support languages including Java ...

Senior Azure Developer - Active SC, Azure Service Bus, D365 Up to £550 per day (Inside IR35) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Developer with Active Security Clearance (SC), and expertise in Azure Service ...

Senior Developer 6 months Remote Inside IR35 - Umbrella only Active SC security cleared or eligible candidates will be considered Experience: Experienced in TDD and working with complex data challenges click apply for full job details ...

Senior Go Developer London, UK 6 Month Contract An incredible opportunity for an experienced Senior Go Developer with strong backend engineering skills to join a prestigious tech client on a contract basis. Known for its high bar for engineering quality, this isn't your typical banking ...

Senior Full Stack Developer - Active SC, Java, React Up to £550 per day (Inside IR35) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Full Stack Developer with Active SC, to join a business-critical programme. Key Requirements … Proven experience working as a Full Stack Developer within the public sector Active Security Clearance (SC) Strong proficiency in Java and Spring Boot for Backend development Solid experience with React and Next.js for Frontend development Hands-on experience working with Cloud environments (AWS) Experience implementing CI/CD pipelines ...

Guidewire PolicyCenter Senior Developer - London/hybrid - 6 months - £409 - starting 20/1/26 Skills/experience Extensive experience with Guidewire PolicyCenter 1. Core Guidewire Knowledge (PolicyCenter) Strong understanding of PolicyCenter data model and business processes. Hands-on experience with Gosu programming (inheritance, polymorphism, exception handling ...

Senior Software Developers - 6-Month Contract - Inside IR35 £400 per day | Remote/UK-Based | NHS Experience Essential | BPSS Eligible We're seeking three Senior Software Developers to join a high-performing team delivering modern digital services across the NHS. You will help build, support, and evolve critical ...

Senior Software Developers - 6-Month Contract - Inside IR35 £400 per day | Remote/UK-Based | NHS Experience Essential | BPSS Eligible We're seeking three Senior Software Developers to join a high-performing team delivering modern digital services across the NHS. You will help build, support, and evolve critical ...

Senior PEGA Developer - Outside IR35 We're seeking a PEGA Developer to design, build and extend PEGA applications in a fast-paced, evolving scope. You'll collaborate with a cross-functional team and contribute to high-quality, secure, maintainable solutions. To help evolve an experience PEGA application ...

Senior Front-end Developer - Active SC, React, Next.js Up to £550 per day (Inside IR35) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Front-end Developer with Active SC, to join a business-critical programme. Key Requirements … Proven experience working as a Front-end Developer within the public sector Active Security Clearance (SC) Solid experience with React and Next.js for Frontend development Hands-on experience working with Cloud environments (AWS) Working knowledge of Java and Spring Boot. Strong technical and leadership capabilities Nice to have: Immediate ...

Senior Front-end Developer - Active SC, React, Next.js Up to £550 per day (Inside IR35) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Front-end Developer with Active SC, to join a business-critical programme. Key Requirements … Proven experience working as a Front-end Developer within the public sector Active Security Clearance (SC) Solid experience with React and Next.js for Frontend development Hands-on experience working with Cloud environments (AWS) Working knowledge of Java and Spring Boot. Strong technical and leadership capabilities Nice to have: Immediate ...

Senior Python Backend Developer Kings Cross, London- Onsite 2/3 days a week 6 month contract Inside of IR25 £750 - £800 per day My client is seeking a highly skilled software engineer to join its AI/ML team, contributing to the development of cutting-edge applications ...

Title: Senior Software Developer Python Contract Length: 12 Months Day Rate: £600 - £650 Inside IR35 Location: London, Manchester or Bristol Working Style: Hybrid - 2 days onsite Requires Active SC Clearance Are you ready to make a difference? Join our client, a leading organisation in the Central Government sector … dedicated to transforming public services through technology. We're looking for a Senior Software Developer with Python expertise to help shape the future of digital government! What You'll Do: As a vital member of the National Data Library team, you will: Lead the design, development, and maintenance ...

Senior Front-end Developer - Active SC, React, Next.js Up to £550 per day (Inside IR35 ) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Front-end Developer with Active SC, to join a business-critical programme click apply ...

Senior Python Software Developer (SC Cleared) Duration: 12 Months Location: London & remote (hybrid) Rate: £650 per day IR35 Status: Inside Start: ASAP A Senior Python Software Developer (SC Cleared) is required for our government client, where you will be working on a specific project where they ...