1 to 25 of 36 Contract Senior Developer Jobs in the UK

Senior Snowflake Developer Hybrid - 4 days on-site p/w in London 6 Month Contract, Inside IR35 Are you a Senior Snowflake Developer who wants to build the data platform behind risk reporting at a leading financial services organisation? We're recruiting for two contract … Senior Snowflake Developer positions in a risk reporting function that is moving legacy Microsoft data platforms onto Snowflake, dbt and Python. You'll help shape the future-state architecture and work directly with business stakeholders on high-profile regulatory and risk reporting programmes. The hiring manager joined ...

Senior Snowflake Developer Hybrid - 4 days on-site p/w in London 6 Month Contract, Inside IR35 Are you a Senior Snowflake Developer who wants to build the data platform behind risk reporting at a leading financial services organisation? We're recruiting for two contract … Senior Snowflake Developer positions in a risk reporting function that is moving legacy Microsoft data platforms onto Snowflake, dbt and Python. You'll help shape the future-state architecture and work directly with business stakeholders on high-profile regulatory and risk reporting programmes. The hiring manager joined ...

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 … Contribute to 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 ...

Microsoft D365 NAV/Business Central - Senior Developer Contract | Hybrid - Northampton | £450-£500 per day (Outside IR35) | 12 Months A Microsoft Partner is looking for an experienced D365 NAV/Business Central Senior Developer to join a major transformation programme. This is an initial 12-month … Support testing, debugging, and go-live activities across the transformation What We're Looking For Proven experience as a D365 NAV/Business Central Senior Developer Strong background in legacy ERP migration and large-scale transformation projects Comfortable operating within a Microsoft Partner environment Strong technical problem-solving ...

Senior Developer Bolton £550 pd 3 months Hybrid Leading International Training Organisation is seeking a Senior Developer to assist and Mentor in house resources with a new and slightly more complex project. We are seeking someone with experience in developing and maintaining Learning Management Software ...

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 … 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 ...

Senior Frontend Developer (Contract) Overview We are looking for a talented Senior Frontend Developer to join a high-performing engineering team working on business-critical customer and colleague applications. This is an opportunity to contribute to modern web applications, deliver impactful features, and help drive … with designers, backend engineers, product teams, and platform specialists to build scalable, maintainable, and high-quality solutions using modern frontend technologies. Contract Details Role: Senior Frontend Developer Contract Type: Inside IR35 Start Date: ASAP (flexible for the right candidate) Duration: Until the end of 2026 with potential extension ...

Senior ServiceNow Developer Key responsibilities: * Work with the ServiceNow Engagement Lead and business stakeholders to translate agreed requirements into functional and technical solution designs, contributing to and, where appropriate, facilitating solution-design workshops. * Design, configure, develop and implement end-to-end ServiceNow solutions, including Flow Designer workflows, Business … configure and help embed approved ServiceNow AI capabilities, including Now Assist and AI Agents, into new and existing solutions. * Work with the Principal ServiceNow Developer on more advanced agentic use cases and contribute to the platform's AI roadmap. * Design, develop and support integrations between ServiceNow and other enterprise ...

Senior Next.js Developer About Scrumconnect Consulting Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful and innovative technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. We are passionate about user-centred design, agile … forefront of innovation, helping organisations transform and deliver high-quality, scalable solutions that truly matter. Role Overview We are seeking a talented and experienced Senior Next.js Developer to join our multidisciplinary Agile teams and help deliver world-class digital services for UK government clients. You will lead ...

Skills Senior developer with the following skills and experience. Strong communication and collaboration skills key for working in DevOps culture with ability to guide team members, when needed. Growth mindset. Essential Skills Core AWS Services: Proficiency/understanding of key AWS services listed below:- S3- Athena- Glue- Lambda ...

Senior Frontend Developer (React) 6 Month contract 40 hours per week Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB We are seeking a talented and motivated Senior Frontend Developer with strong expertise in TypeScript and React … processes are followed. Collaborate with back-end developers to integrate RESTful APIs and handle data flow effectively. Knowledge and Skills: Demonstrated expertise as a Senior Backend Developer. Proven experience in React.js, and TypeScript development. Strong understanding of JavaScript and modern front-end technologies. Experience with state management libraries like ...

Senior Python AI Developer - Generative & Agentic AI Python | FastAPI | AWS | LLMs | RAG | Agentic AI | DevOps Salary: £60,000 - £75,000 Contract rate: c£475 per day Location: London - Hybrid (3 days per week onsite) Employment: Permanent or Contract | 2 positions We're recruiting two experienced Senior Python … observability frameworks Collaborating with architects and platform engineers on scalable AI solutions What we're looking for You'll be an experienced Python Developer or AI Engineer with strong backend engineering skills and practical experience developing Generative AI applications. We'd expect experience across a good mix of: Strong ...

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 … work on complex, high-impact applications used by both customers and internal stakeholders, while influencing technical strategy and engineering best practices. As a senior member of the engineering team, you will take ownership of critical frontend systems, mentor engineers across multiple levels, and drive technical decisions that balance business ...

Senior Java Developer Location: Telford (2 days per week onsite/2 days per month depending on project requirements) Rate: £550 per day Contract Length: 12 Months Clearance: BPSS Required Overview We are seeking experienced Senior Java Developers to join the COTAX Futures Team within Tax Administration ...

leading role in the technical development and architecture of their Drupal-based web platforms. This is an excellent opportunity for a technically strong Drupal developer who enjoys solving complex problems, leading technical projects and supporting the development of other team members. The successful candidate will work across a range … develop other members of the technical team A varied role involving technical leadership, architecture and hands-on development If you're an experienced Drupal Developer, Senior Drupal Developer or Drupal Technical Lead looking for your next opportunity, my client would be keen to hear from you. Apply ...

Senior Backend Developer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels … systems and extensive datasets. Foster close collaboration with our Product, Data, Front-end, Platform, and Security teams. Knowledge and Skills: Demonstrated expertise as a Senior Backend Developer. Proficiency in Python as your primary language, or willingness to adapt. Hands-on experience with RESTful APIs and/or GraphQL. Proficiency ...

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 role goes beyond development, requiring someone who can lead technical discovery, solve complex … Rails services Contribute to architecture and technical strategy Collaborate with multidisciplinary teams Support delivery within a complex digital environment We're Looking For: Senior Software Engineers, Technical Leads or Lead Ruby Engineers Experience delivering production systems at scale Strong ownership mindset and technical judgement Comfortable working with ambiguity ...

Senior Backend Developer (Java/AWS) Rate: £500-£600 per day (Outside IR35) Location: London (3 days per month onsite) Duration: Initial 6-month contract Overview We're supporting a financial services client looking for a Senior Backend Developer to help deliver and optimise a suite ...

Senior Backend Developer (Java/Spring Boot/AWS) Rate: £500 - £600 Outside IR35 Location: London - 3 times on site a month Duration: 6 months initial The role: I'm working with a financial services organisation that needs a Senior Backend Developer to build and maintain ...

Senior Java Developer - 3 Month Contract - Stockport/Hybrid Type: 3 Month Contract Day Rate: Market Rates (Outside IR35) Location: Stockport/Hybrid Start: ASAP We are seeking a talented Senior Java Developer to join their dynamic team. This is an exciting opportunity for an individual … learning and continuous improvement. Stay updated with industry trends and emerging technologies, implementing best practises in software development. Skills Proven experience as a Java Developer, with a strong understanding of Java and related frameworks (Spring, Hibernate). Solid experience with RESTful APIs and microservices architecture. Familiarity with front ...

title: Senior webMethods Integration Developer Contract: 6 months rolling Rate: £625 - £645 per day inside ir35 Location: Remote - Some travel to Client site will be required (estimate 1-2 times per month to London and/or the South/South-East). SC security clearance is required … this role. I'm looking for a Senior webMethods Integration Developer to join an agile delivery team working on a mission-critical UK MOD platform. This is a genuinely hands-on development role for someone who knows webMethods Integration Server, Universal Messaging and API Gateway inside ...

Senior KDB+/q Developer London (Hybrid, 3 days on-site) Contract: 3 Months (Inside IR 35) We are seeking an experienced KDB+/q Developer to join a global financial institution's London trading technology division. You will play a crucial role in building, optimizing ...

Senior Backend Developer for Video on Demand and Live Streaming (GoLang) Contract 12 months OUTSIDE IR35 Remote (UK) A leading video platform is seeking experienced Senior Backend Developers with expertise in GoLang to contribute to the VoD2Live project. This person must have experience working on Streaming … providers, etc.). Ensure comprehensive documentation of systems and components. Implement and maintain robust monitoring and alerting systems for production environments. Required Skills & Experience: Senior or Lead level experience in backend development. Proficiency in GoLang (MUST-HAVE). Experience with at least one additional backend language (VCL, Node.js, Python ...

identities, and 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 … 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 ...

role where your judgment matters as much as your keyboard, you will fit right in. The role Were looking for Contractors in Software Development (Senior level or Technical Lead) to help our major clients transform. Software developers at our client care about building products right and combine their ...