165 developer jobs found

On behalf of the MOD, we are looking for a Tooling Developer (Inside/Outside IR35/PAYE) for an 8 month hybrid contract based 1 day per week in London. An active SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. (Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance.) Role Purpose: Ideally with a background as a Power Platform Developer or SharePoint Developer or Data Analyst/BI Developer or Management Information Developer, the Defence Artificial Intelligence Centre, (DAIC), Tooling Developer is responsible for the development, maintenance, and continuous improvement of DAIC tooling that supports AI insight, coherence reporting, demand management, and discovery activity across Defence....

Developer - GO, Data Engineering, Security Cleared, Outside IR35 Exciting initial 6-month contract opportunity available for a security-cleared developer with strong Go programming language experience and a deep software development background. The role will involve working within a secure Development team. You will support the Data Engineering team, who are building a complex enterprise data solution to make critical national infrastructure systems robust, secure, and fit for purpose. The ideal candidate will have recently been working on another secure project, and will have expert GO Development experience, DevOps, Kubernetes, and Azure Cloud experience. Any Java experience would also be useful. Active SC Clearance with DV eligibility is required. Active DV Clearance is extremely advantageous. Minorities, women, LGBTQ+ candidates, and individuals with disabilities are encouraged to apply. Interviews will take place next week, so please apply immediately or call...

About the role Benefact Group  are looking for a  Lead Python Developer (Outside IR35)  to join our  Gloucester  office. This contract is required to design and deliver a proof of concept integrating a modern offsite rating platform with an on‑prem IBM Power (Power11) environment. The objective is to demonstrate how Python-based services can operate alongside a core insurance platform (IPlus – successor to i90), supporting legacy modernisation through practical, working outputs. By the end of September 2026, you will be expected to deliver a working integration proof of concept that demonstrates a viable approach to connecting modern services with our existing insurance platform, enabling future modernisation at pace. Why join us? Join a collaborative and inclusive culture that’s committed to making a difference and building a more sustainable future. Ranked amongst the UK's 15 Best Big Companies to Work For in 2025, we...

I'm working with a business in Cheltenham who are looking to recruit an Embedded Android Developer on a contract basis for a specific project (Outside IR35). The work involves developing the Android SDK for video/media streaming application built on custom hardware (based on i.MX8 hardware). Skills required: Expertise with Embedded Android (AOSP) for non-phone hardware Video / media streaming experience (Gstreamer, ExoPlayer, MediaCodec etc) Ability to complete greenfield work with minimal supervision Choosing evaluating hardware and tools for the platform The work is largely remote, with occasional travel to Gloucestershire & Hamsphire for hardware testing. Beneficial skills: ATAK-CIV, iTAK, winTAK knowledge SC clearance (not essential) DURATION: 6 months (extension likely) HOURS: 40 per week START: ASAP IR35: Outside RATE: Up to £500pd

Data & Reporting – BI Developer! Contract Role | Start: ASAP | 6-Month Initially | Outside IR35 Remote Mostly Are you a Data & Reporting – BI Developer with Snowflake and MS SQL expert with a passion for designing and building end-to-end data solutions ? Do you thrive on solving complex business problems, creating robust data models, and delivering impactful solutions? If so, we want to hear from you! Why Join? High-Impact Role: Be at the heart of designing a brand-new Technicians Bonus solution using Snowflake . Collaborative Environment: Work alongside a dynamic Data & Reporting team to drive meaningful results. Flexibility: Enjoy the freedom of mostly remote work with potential in-office collaboration once a week. Key Responsibilities ✔️ Data Preparation: Use MS SQL Server and Snowflake to prepare and optimize data for reporting. ✔️ Solution Design & Data Modelling: Translate complex business needs into...

Internal Title: Senior Full Stack Developer Location: London, UK (Hybrid - typically 1-2 days per month in office) Contract: Permanent, Full-time OR Outside IR35 Contract, 6 months with view to extend Day Rate (contract): £500-550 per day Package (perm): £70,000 - £80,000 + 10% Bonus + 10% Shares + Benefits (see more below) About Appvia Appvia is a specialist cloud, platform, and solutions engineering consultancy, helping organisations modernise software systems, improve developer productivity, and adopt cloud-native practices that enable long-term, sustainable delivery. Our software engineering capability focuses on modern application development, domain-driven design, and improving delivery outcomes through better architecture, testing, and developer experience. We work across complex, high-impact environments in both the public and private sector, delivering solutions where quality, scalability, and reliability are critical. About The Role We're hiring...

SRT Marine Systems plc (SRT) is a market leader in the domain of international marine surveillance technology and systems. We are a respected, established, and an ambitious multi-national company headquartered in the UK with a global customer base. The company has a worldwide impact in the marine sector by leading the next generation of maritime domain awareness technologies "MDA", products, and systems that significantly enhance security, safety, environmental protection, and sustainability. Our customers are global and range from the largest national coast guards to individual vessel owners. SRT is an exciting company where high-quality results are rewarded. We are ambitious and constantly seek to innovate in order to deliver better products and services to our customers. We strive to make SRT a rewarding and challenging place to work, where talented, hard-working individuals have the opportunity to make a real impact across the marine industry. Role overview for the Senior...

On behalf of Sellafield we are looking for a ServiceNow Developer (Outside IR35) for a 6 month contract. Hybrid working based in Warrington. Work at Sellafield Ltd, and you're not just building a career. You're embarking on a mission. Joining 11,000 people on a 100-year project transforming the Sellafield site for all the generations that follow. We have the site at Sellafield (West Cumbria) and our office at Risley (near Warrington). Join us and you'll work shoulder-to-shoulder with industry-leading - sometimes world-leading - experts. There are generations and generations of knowledge here and people are only too willing to share it. Our culture of continuous improvement is underpinned by commitment to professional and personal development few can match. Our relentless pursuit of excellence is reflected in our health, safety, security, resilience, and environmental performance standards as well as the quality of the products and services we deliver to our customers....

Freelance: Full Stack Developer (Insurance Experience Required) Start Date: 20/07/26 Duration: 6 months (extension highly likely) IR35 Status: Outside Location: London (Fully Remote) Capacity: 40 hours per week About the Role We're looking for an experienced Full Stack Developer with Insurance domain expertise to support the development and scaling of a high growth digital platform within the insurance sector. You will work across both Front End and Back End layers, collaborating closely with product, design, and engineering teams to deliver robust, scalable, and high performance solutions. A key focus of the role will be building modern user interfaces (Vue.js) while contributing to Back End services, APIs, and architecture that support complex insurance workflows and data models. Key Responsibilities Design, develop, and maintain full stack applications across Front End and Back End layers. Build modern, responsive Front End applications using Vue.js. Develop and maintain...

Azure Developer, C# Initial 6-Month Contract - Outside IR35 £450 - 500 day rate A well-known and hugely prestigious global business is hiring a C#, Azure Developer for an 6-month contract engagement with the potential to extend. This role will see you working fully remotely as part of a large-scale Cloud Transformation programme. The engagement sits outside IR35. You will work within an Architecture Team on the re-platforming and modernisation of Legacy API and integration platforms, migrating on-premise infrastructure to Azure cloud. This is a hands-on development role with a strong emphasis on automated testing as well as cloud-native build. What you'll be doing Developing performant, public-facing REST APIs and system integrations in Azure Documenting APIs to OpenAPI 3.x standards Reviewing Legacy implementations and building modern replacements in collaboration with the architecture team Writing and maintaining automated test cases using Reqnroll, integrated...

Oracle Data Warehouse Developer (SC Cleared) Andover (Hybrid) 6 Month Contract £450-£500/day (Outside IR35) Oracle Data Warehouse Developer needed with active SC Security Clearance. 6 Month Contract based in Andover (Hybrid). Start ASAP in July 2026. Hybrid Working - 3 days/week remote (WFH), and 2 days/week working on-site. Paying up to £450-£500/day (Outside IR35). A chance to work with a leading global IT transformation on a large-scale Government project: Designing, developing + implementing Oracle Data Warehouse solutions including data modelling + integration. RPD Repository design in Oracle Analytics. Designing, developing + implementing Oracle Data Integrator (ODI) mappings for ETL processes. Designing, developing + implementing Oracle Analytics Server (OAS) security including users, roles + data-level security. Developing + implementing OAS reports and dashboards to support business analytics and reporting needs. Providing Production Support for existing live...

Oracle Data Warehouse Developer (SC Cleared) Andover (Hybrid) 6 Month Contract £450-£500/day (Outside IR35) Oracle Data Warehouse Developer needed with active SC Security Clearance . 6 Month Contract based in Andover (Hybrid). Start ASAP in July 2026. Hybrid Working - 3 days/week remote (WFH), and 2 days/week working on-site. Paying up to £450-£500/day (Outside IR35). A chance to work with a leading global IT transformation on a large-scale Government project: Designing, developing + implementing Oracle Data Warehouse solutions including data modelling + integration. RPD Repository design in Oracle Analytics. Designing, developing + implementing Oracle Data Integrator (ODI) mappings for ETL processes. Designing, developing + implementing Oracle Analytics Server (OAS) security including users, roles + data-level security. Developing + implementing OAS reports and dashboards to support business analytics and reporting needs. Providing...

Qlik Sense Developer Fully remote £400 per day OUTSIDE IR35 Must be able to cover hours 10am to 7pm and 12pm to 9pm due to the time zones for this work Experienced Qlik Sense expert needed to delivery advanced analytics and reporting capabilities for the operations team as part of a global healthcare project You will be responsible for Qlik Sense Development & Dashboard - Delivery Design, build, and maintain dashboards, sheets, and visualizations Data Modelling & Scripting - Develop and maintain Qlik Sense data models, load scripts, calculations, and derived metrics Work with Cority/CorAnalytics data sources Data Quality & Validation Validate dashboard outputs against source data Ensure correct logic in calculations and KPIs Data Refresh & Pipeline Management Manage data refresh processes and pipelines Diagnose and resolve data discrepancies, refresh issues, script failures, and performance bottlenecks You will be a Qlik Sense expert with skills...

Oracle Data Warehouse Developer (SC Cleared) Andover (Hybrid) 6 Month Contract £450-£500/day (Outside IR35) Oracle Data Warehouse Developer needed with active SC Security Clearance . 6 Month Contract based in Andover (Hybrid). Start ASAP in July 2026. Hybrid Working - 3 days/week remote (WFH), and 2 days/week working on-site. Paying up to £450-£500/day (Outside IR35). A chance to work with a leading global IT transformation on a large-scale Government project: Designing, developing + implementing Oracle Data Warehouse solutions including data modelling + integration. RPD Repository design in Oracle Analytics. Designing, developing + implementing Oracle Data Integrator (ODI) mappings for ETL processes. Designing, developing + implementing Oracle Analytics Server (OAS) security including users, roles + data-level security. Developing + implementing OAS reports and dashboards to support business analytics and reporting needs. Providing Production...

Contract .NET Developer - £350- £375p/d - Outside IR35 - London / Hybrid (.NET Developer, .NET Software Engineer, Software Developer, C#, .NET, SOLID principles, SQL Server, HTML, CSS, Blazor, Angular, Unit Tests, DevOps, CI/CD pipelines, Terraform, Azure, AI tools) Established in the 1990s our client is one the fast growing technologies brands across Europe. They have built an unrivalled reputation for developing revolutionary .NET / C# software solutions. Having recently embarked upon a number of cutting edge Greenfield .NET / C# projects they are looking to recruit contract .NET Developer to join their award winning .NET / C# development team. Working in tandem with Microsoft 's very own consultants you will be working on the development of complex enterprise .NET / C# projects that have attracted much attention in the trade place. .NET Developer applicants should be experienced in: C#, .NET, SOLID principles, SQL Server, HTML, CSS, Blazor, Angular,...

Senior C# Developer - .Net 9, AWS (Lambda, SQS, SNS, EventBridge) - OUTSIDE IR35 .NET 8/9 • AWS Lambda/SQS • OUTSIDE IR35 £700–£800/day • 100% Remote (UK) • 11‑months rolling If you’re a deeply senior C# engineer who wants to actually build something new, not maintain legacy, not refactor someone else’s mess, this is one of the few roles in the market worth stopping for. You’ll be the technical spearhead for a greenfield SaaS platform, reporting directly to the Director of Engineering and shaping everything from architecture to AI‑native delivery patterns. This is high‑autonomy, high‑impact work for someone who thrives in ambiguity and loves solving hard problems at pace. Why this role stands out: You set the engineering bar, not follow it. You get to embed agentic AI workflows into real production systems. You own outcomes end‑to‑end, not just “tickets”. You influence product direction without layers of process or ceremony. What You’ll Bring:...

Front End React Developer - 3 Month Contract - Hybrid/Manchester We are seeking a Senior Front End React Developer for a 3 month project based in Manchester. You will build scalable Front End code and contribute to features that power a digital web build. You will work closely with cross-functional teams delivering scalable, high-performance applications. You will also contribute to product roadmap planning from a technical perspective, take ownership of the testing strategy, including unit and integration testing Lead and evolve the software development lifecycle (SDLC.) Type: 3 Month Contract Day Rate: Market Rates (Outside IR35)Location: Hybrid/ManchesterStart: ASAP Skills Strong experience building complex Front End systems using React and other modern JavaScript/TypeScript frameworks. Strong knowledge of testing approaches (unit, integration, and end-to-end) and overall code quality best practices. Experience delivering CI/CD change into cloud-based environments. Node.js...

Oracle Analytics/Oracle Data Warehouse Developer; Government, SC, OAS, ODI, ETL Rate: £450 per day, Outside IR35. Location: Andover - 2 days per week onsite Key skills: Oracle Analytics Server (OAS) RPD repository development Oracle Data Integrator (ODI) Data warehouse design and data modelling ETL development OAS reports and dashboards Responsibilities Designed subject areas using RPD (Repository) design in Oracle Analytics. Designed, developed, and implemented Oracle Analytics Server (OAS) security including users, roles, and data-level security. Designed, developed, and implemented ODI (Oracle Data Integrator) mappings for ETL processes. Designed, developed, and implemented Data Warehouse solutions including data modelling and integration. Developed and implemented OAS reports and dashboards to support business analytics and reporting needs. Provided production support for existing live OAS, ODI, data warehouse objects....

Fully Remote (UK-based) Occasional Out-of-Hours Work Required Im supporting a long-term programme looking for an experienced Scala Developer to join a high-performing engineering team on a 12-month Outside IR35 contract . Key Skills & Experience: Strong commercial experience with Scala Experience building high-quality, scalable Back End services Exposure to microservices, REST APIs, functional programming click apply for full job details

Microsoft Dynamics 365 CRM Technical Consultant (omni channel/contact centre/Customer service) Outside IR35 £450-475 per day Fully Remote 6 months initial contract A large new Microsoft Dynamics 365 CRM project at a Microsoft Gold Partner requires a D365 CRM omnichannel technical consultant on an initial 6 month contract click apply for full job details