1 to 25 of 78 Contract Developer Jobs in London

Your new company You will be supporting a major public-sector technology portfolio that is transforming how UK immigration, visa, passport and related services are managed. The platform is used by UK-based Home Office ...

Description We are seeking an experienced Senior Java Developer to join our development team in a 100% hands-on software development role . The successful candidate will be responsible for designing, developing, enhancing, and delivering robust, scalable, secure, and high-performance Java applications and microservices. The role requires strong expertise … development-focused position , with the successful candidate expected to spend their time designing solutions, writing production-quality code, developing APIs and microservices, implementing automated developer tests, reviewing code, troubleshooting technical issues, and contributing directly to software delivery. The successful candidate should preferably hold SC or DV clearance. Responsibilities Design, develop ...

Python/Django Software Engineer Location: Remote, with 1 to 2 days a month in London Rate: 500/day Outside IR35 Duration: 3 months initial Sector: Central Government Must be SC Cleared Overview We ...

Python/Django Software Engineer Location: Remote, with 1 to 2 days a month in London Rate: £500/day Outside IR35 Duration: 3 months initial Sector: Central Government Must be SC Cleared Overview We ...

Developer (Dynamics 365 CE) - £500-£550 a day (active SC Clearance required) - Outside IR35 - London/Hybrid - 6 month initial contract. We need a highly skilled Dynamics 365 Developer to work with a Central Government client (who holds active SC Clearance) with extensive expertise in CRM Customer Engagement and Power ...

Developer Enablement SME | Platform Engineering | Developer Experience - Outside IR35 - rate negotiable - remote UK - Mid October start date - Must hold active SC A major technology transformation programme is looking for a Developer Enablement SME to help engineering teams adopt and get maximum value from a modern developer platform. This … software today and helping them transition towards better, more consistent and increasingly self-service ways of working. They'll sit at the intersection of Developer Experience, Platform Engineering, DevOps and change adoption. What they'll be doing Onboarding engineering and domain teams onto the platform. Running workflow discovery, training ...

Senior Pega Developer Rate: £550 per day Location: Remote Working Contract length: To confirm IR35 status: Inside IR35 Clearance requirement: Active SC Clearance required Mandatory Certification : Pega Certified Senior System Architect (PCSSA) Pega Certified System Architect (PCSA) certification and progression through the Pega certification pathway. Your new company A contract … opportunity is available for an experienced Senior Pega Developer to support the delivery of complex enterprise applications using the Pega Platform. You will work closely with Lead System Architects, Business Analysts, Product Owners and engineering teams to deliver high-quality Pega solutions within a structured Agile environment. Your new role ...

Power Platform Developer £520/day Outside IR35 - Central London (3 days per week) - Active SC Clearance Required - NPPV3 Desirable - Contract until 31 March 2027 We're seeking an experienced Power Platform Developer to join a major programme within a secure environment. This is a hands-on delivery role focused … Excellence (CoE) experience * Previous experience delivering within policing, law enforcement or wider public sector environments This role would suit an experienced Power Platform Developer, Senior Power Platform Developer, Dynamics 365 Developer or Power Platform Consultant looking for a long-term programme where they can remain hands-on while working ...

Senior Ruby on Rails Engineer (Active SC) £650-£675/day Inside IR35 | 6 Months | Predominantly Remote We are seeking a Senior Ruby on Rails Engineer to join a large-scale content transformation programme. This ...

We're looking for a Lead Software Engineer (Python & Django) for a central government department based in London, Manchester, Birmingham or Cardiff (hybrid), on an initial 12 months contract, paying up to £720 per day ...

Senior iOS Engineer - Banking - London Duration: 6 - 12 months Daily rate: £400 - £475 (inside IR35) Hybrid: 2 - 3 days per week Start: Now We are looking for a talented iOS Engineer with a passion for ...

Title: Java Developer Rate: £475 - £525 per day inside ir35 Location: Remote Contract: 6 months rolling SC Cleared We're looking for an experienced Java Developer to join a remote development team working on a Home Office project, building and enhancing secure, scalable Java applications and services. You'll work ...

This role is responsible for the delivery of data-driven applications and analytical solutions across the programme, combining expertise in Oracle APEX development, analytics engineering and data science enablement. The position will design and develop ...

UX Engineer (FX Trading Systems) We are seeking an experienced UX Engineer with strong expertise in FX Trading Systems to join a high-performing FX Pricing & Hedging team. This is a unique opportunity for a ...

local clients: £550 p/d Inside IR35 6 month+ contract Remote Must be SC Cleared We are seeking a Senior Developer to join a business-critical engineering team, providing technical leadership across the development lifecycle while supporting the delivery, enhancement and operation of platform services. Key Responsibilities - Develop ...

Integration Developer (Active SC Clearance Required) Location: Remote/Enfield UK Duration: 12 Months Initial Contract (Extension Likely) Security Clearance: Active SC Clearance Mandatory Start Date: ASAP The Role We're recruiting for an experienced Integration Developer to join a leading UK organisation delivering critical data and system integration initiatives. … developers, business analysts, architects, and stakeholders. Essential Skills & Experience Active SC Clearance (must already be in place). Proven commercial experience as an Integration Developer , Integration Engineer , or ETL Developer . Strong experience with: Azure Data Factory (ADF) Azure Logic Apps SQL Server SSMS SSIS Azure Service Bus Azure Functions ...

Type: Hybrid - Contract, inside IR25, £400 per day Job Title: Java Developer - SC Cleared - Spring Boot Microservices STRCTLY; NON SPONSORED Location: London Our client is looking for an experienced Java Developer with active SC clearance . You'll join their team to design, build and maintain RESTful and SOAP microservices … using Spring Boot in an Agile environment. As a Java Developer, you will be responsible for designing, developing, and maintaining high-quality Java applications that adhere to industry best practives and standards. The successful candidate preferably should have SC/DV clearance or must be eligible and willing ...

Title: Java Developer Rate: £525 per day inside ir35 Location: Remote Contract: 6 months rolling We're looking for an experienced Java Developer to join a remote development team working on a Home Office project, building and enhancing secure, scalable Java applications and services. You'll work across Java, Spring ...

Angular Developer Contract: 6 Months Location: Remote with occasional travel to London and Oswestry Start: ASAP Rate: Up to £350 a day (OUTSIDE IR35) We're looking for an experienced Angular Developer to join a growing software engineering team and help deliver modern, scalable web applications. You'll work closely ...

Principal Developer - Active SC Required £600 per day (Inside IR35) 6 Month Contract Remote Working | Occasional Travel to London We're looking for a Principal Developer to join a major engineering programme delivering large-scale, cloud-native systems within AWS. This is a hands-on technical leadership role suited … Gateway. Lambda Authorizer. Terraform. Helm. Kafka/AWS MSK. Secrets Management. Authentication and Authorisation. Certificate Management. Ideal Candidate You'll be an experienced Principal Developer with a strong background in Java and AWS, capable of leading complex technical delivery while remaining hands-on. You'll have experience working on large ...

OutSystems Developer 6-Month initial contract - Inside IR35 - up to 540 per day London based - hybrid working - 1-2 days a month onsite Government sector - Need to be SC Eligible - current and active SC Clearance preferred What you'll be doing: Delivering fantastic low code solutions on enterprise-level client … . Good knowledge of C# and .Net including commonly used code libraries Bsc. in Computer Science or similar field of studies OutSystems Associate Reactive Developer certification UK residency or UK national to support eligibility for security clearances. Working in OutSystems applications that use a micro-services architecture Disclaimer: This vacancy ...

Senior Frontend Developer (React Native) 6 Month contract 40 hours per week Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB About the Role We are looking for a highly experienced Senior Frontend Engineer to join a fast-paced and innovative engineering ...

more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title: Senior Java Developer Location: Bromley & London - Hybrid ( 3 days in office is essential) Contract: 12 months with possible extension for one more year. Rate: £750 - £800 inside umbrella. … ongoing support and development of the Futures & Options and Collateral business for Global Markets, we are looking for a highly experienced, strong Java and Developer to join the technology teams in Bromley, London working on a range of applications for Collateral. The successful candidates should have the following responsibility ...

Senior Developer Consultant (iPaaS & Automation) Rate: Up to £495 per day Duration: 3-6 Months Location: London (Remote with occasional onsite visits) Security Clearance: Active SC Clearance Essential Overview We are seeking a highly skilled Senior Developer Consultant to join a fast-paced transformation programme, delivering enterprise integration, automation … technical standards, best practices, and deployment frameworks. Support troubleshooting, optimisation, and continuous improvement of deployed solutions. Essential Experience Proven experience as a Senior Developer, Technical Consultant, or Integration Developer within enterprise environments. Strong experience designing and implementing distributed systems and integration solutions. Experience working with iPaaS platforms and enterprise integration ...

FullStack Developer 12 months London - remote £630 per day inside IR35 - Umbrella only Required skills Azure experience including Functions, App Services, Key Vault, Monitor, and general cloud native design. C#, .NET 10, REST API development, and enterprise backend engineering. Frontend development with TypeScript, JavaScript or NHS Digital Design System components. ...