123 contract developer jobs found

Fully Remote (UK-based) 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 Strong understanding of CI/CD and mod click apply for full job details

Initially a 2-3 month contract, the client can be flexible and would welcome either part or Full time candidates. The role is outside IR35. You must be able to be DBS cleared if needed. We are seeking an experienced Oracle Service Cloud Developer to support the development, configuration, and enhancement of Oracle Service Cloud solutions click apply for full job details

Initially a 2-3 month contract, the client can be flexible and would welcome either part or Full time candidates. The role is outside IR35. You must be able to be DBS cleared if needed. We are seeking an experienced Oracle Service Cloud Developer to support the development, configuration, and enhancement of Oracle Service Cloud solutions. The successful candidate will have strong experience configuring the Oracle Service Cloud platform, creating and managing custom fields and objects, developing business processes, and supporting customer service operations. This role requires a blend of technical development and system configuration expertise to deliver scalable and efficient customer service solutions. Key Responsibilities Configure and administer Oracle Service Cloud (RightNow) applications. Design, create, and maintain custom objects, fields, tables, and relationships. Develop and configure business rules, workflows, and automation processes. Configure workspaces,...

Initially a 2-3 month contract, the client can be flexible and would welcome either part or Full time candidates. The role is outside IR35. You must be able to be DBS cleared if needed. We are seeking an experienced Oracle Service Cloud Developer to support the development, configuration, and enhancement of Oracle Service Cloud solutions click apply for full job details

Power BI Developer | London Market Insurance | Delegated Authority experience is essential | Outside IR35 Contract Our sister company Stellarmann is seeking a Power BI Developer to join a leading London Market insurer on an initial contract until the end of the year. You'll play a key role in a major Reporting Transformation Programme, helping to modernise enterprise reporting by migrating Legacy reporting solutions onto a modern Azure-based data platform and Power BI architecture. Working closely with underwriters, business stakeholders and Data Engineering teams, you'll design and develop scalable Power BI reporting solutions while helping to refine business requirements, create user stories and shape reporting architecture. This is an excellent opportunity for someone who enjoys combining hands-on Power BI development with stakeholder engagement and solution design. You'll be a great fit if you have: Delegated Authority/Bordereaux reporting experience is essential...

📍 Locations: London, Manchester, Leeds, Bristol & Birmingham 💼 Contract | Outside IR35 💰 Up to £450–£525 per day   About the Role   We're looking for an experienced Full Stack Kotlin Developer to join a team delivering secure, scalable, and user-centred digital solutions across major UK public sector programmes. You'll work with modern technologies on large-scale digital transformation projects, contributing to technical delivery and helping shape best practices across the development team. Key Skills   Kotlin, Java & Spring Boot Full Stack development Microservices & REST APIs AWS, Azure or GCP Docker, Kubernetes & Terraform CI/CD pipelines and DevOps Agile delivery Technical leadership and mentoring   Essential Experience Proven commercial experience as a Full Stack Kotlin Developer Strong Kotlin, Java and Spring Boot experience Experience...

Android Developer (Contract) Six months, outside IR35, immediate start. Four days remote, one day per week in Manchester. This is a chance to work on a mobile app used at national scale, inside a public sector organisation that takes engineering seriously. You'll be joining a modern setup with automated testing, ephemeral branch deployments and performance testing in AWS CodeBuild. If you like clean architecture and proper test coverage, this is the kind of environment where that work is valued rather than skipped. Mostly remote, one day a week in Manchester, and a clear six-month runway to get your teeth into. We have two of these roles to fill. What you'll be doing: You'll help integrate internal government services into a high-traffic mobile app, building features end to end and holding a high bar on testing and quality as you go. What you'll need: Essential Strong Kotlin Jetpack Compose MVVM and Clean Architecture Automated...

Android Developer (Contract) Six months, outside IR35, immediate start. Four days remote, one day per week in Manchester. This is a chance to work on a mobile app used at national scale, inside a public sector organisation that takes engineering seriously. You'll be joining a modern setup with automated testing, ephemeral branch deployments and performance testing in AWS CodeBuild. If you like clean architecture and proper test coverage, this is the kind of environment where that work is valued rather than skipped. Mostly remote, one day a week in Manchester, and a clear six-month runway to get your teeth into. We have two of these roles to fill. What you'll be doing: You'll help integrate internal government services into a high-traffic mobile app, building features end to end and holding a high bar on testing and quality as you go. What you'll need: Essential Strong Kotlin Jetpack Compose MVVM and Clean Architecture Automated testing...

iOS Developer (Contract) Six months, outside IR35, immediate start. Four days remote, one day per week in Manchester. This is a chance to work on a mobile app used at national scale, inside a public sector organisation that takes engineering seriously. You'll be joining a modern setup with automated testing, ephemeral branch deployments and performance testing in AWS CodeBuild. If you like clean architecture and proper test coverage, this is the kind of environment where that work is valued rather than skipped. Mostly remote, one day a week in Manchester, and a clear six-month runway to get your teeth into. What you'll be doing: You'll help integrate internal government services into a high-traffic mobile app, building features end to end and holding a high bar on testing and quality as you go. What you'll need: Essential Strong Swift SwiftUI and UIKit MVVM-C architecture Automated testing across unit, integration/feature and UI GitHub...

iOS Developer (Contract) Six months, outside IR35, immediate start. Four days remote, one day per week in Manchester. This is a chance to work on a mobile app used at national scale, inside a public sector organisation that takes engineering seriously. You'll be joining a modern setup with automated testing, ephemeral branch deployments and performance testing in AWS CodeBuild. If you like clean architecture and proper test coverage, this is the kind of environment where that work is valued rather than skipped. Mostly remote, one day a week in Manchester, and a clear six-month runway to get your teeth into. What you'll be doing: You'll help integrate internal government services into a high-traffic mobile app, building features end to end and holding a high bar on testing and quality as you go. What you'll need: Essential Strong Swift SwiftUI and UIKit MVVM-C architecture Automated testing across unit, integration/feature and UI...

A leading business is hiring a Agentic AI Developer. Hybrid position. 12-month rolling contract, paying up to £1000 per day, depending on experience. Experience and skills required for the Agentic AI Engineer, Agentic AI Developer, Python Fluency with modern ML toolchains (PyTorch/JAX, agentic frameworks, MCP). Experience with AI agent ecosystems using frameworks such as LangChain, AutoGen, CrewAI, and Semantic Kernel. Solid software-engineering fundamentals - tested, documented, maintainable Python Familiarity with libraries such as TensorFlow, PyTorch, LangChain, or Ray is a plus. Exposure to Knowledge Graphs (Neo4j / RDF / graph-based enrichment or retrieval). Experience with either Docker, Kubernetes, cloud (AWS / Azure) Experience integrating LLM APIs (OpenAI or similar), with prompt design and orchestration. Hands-on experience training and deploying learned policies for complex behaviours in robots or simulated characters is a bonus Ability to write...

Microsoft Dynamics Developer - Outside IR35 - Contract (Health)   About the role   We're looking for a Microsoft Dynamics Developer to join a project team working alongside one of Softwire's permanent engineers.   About the role   You'll bring hands-on Dynamics experience and a willingness to get stuck into the platform, working closely with our internal team to deliver on client needs. Further specifics on scope and stack will be shared with shortlisted candidates.   What we're looking for Proven experience developing on Microsoft Dynamics Comfortable working within an established platform and codebase Able to collaborate closely with an in-house permanent developer   £450-550 per day outside IR35   Start date: ASAP End date: April 2028   About Softwire   Softwire is a leading UK technology and strategy consultancy. From enterprise to government,...

Enterprise Integration Developer – ERP / Billing Systems (Contract) SourceWise is looking for an experienced, hands-on Enterprise Integration Developer to support a major technology client building integrations between modern APIs and enterprise ERP and billing platforms. The role will focus on designing and delivering production-grade connectors between external APIs and platforms such as Workday, Salesforce, Microsoft Dynamics, Zuora or similar enterprise systems . We are looking for someone who has personally built, deployed and supported enterprise integrations , rather than someone whose experience is primarily functional configuration, implementation consulting or advisory work. What you’ll be doing Design and build integrations between enterprise ERP/billing platforms and external APIs. Develop native applications, extensions, plugins or workflow automations within your specialist enterprise platform. Trigger integrations from business events such as...

Senior C# IAM Developer - Auth0, Identity & Access Control, AWS – OUTSIDE IR35 Contract: 8 months Rate: £700 - £750 OUTSIDE IR35 Location: 100% remote The Role: Working for a global, market leading B2B SaaS business, you’ll lead the design and implementation of secure, identity-driven backend services in a modern C#/.NET environment. Your work will centre on authentication, authorization, and secure event-driven architectures. You’ll own our Auth0 integration end-to-end , ensuring our platform meets strict security, compliance, and reliability standards. This is a role for someone who thinks deeply about threat models, defence-in-depth, and secure-by-default engineering. What You’ll Do: Architect and implement secure backend services in C# & .Net Own and evolve our Auth0 identity platform: tenant configuration, flows, hooks, rules, MFA, RBAC Design and maintain token-based security models (OIDC, OAuth2, JWT lifecycle, refresh...

📱 Senior iOS Engineer – 6-Outside Month Contract | Central London | Fintech Scale-Up   🚀 We’re working with a leading fintech scale-up looking for an experienced Senior iOS Engineer to join them on an initial 6-month contract (Outside IR35).   🧠 This is a senior, technically focused role for someone who enjoys working beyond feature delivery and has a strong interest in architecture, scalability and improving how iOS applications are built and maintained.   What we're looking for Strong commercial Swift / native iOS experience Excellent understanding of modern iOS architecture Experience working on large or complex mobile applications Strong knowledge of modular application design Experience with shared components, libraries or reusable functionality Good understanding of CI/CD, testing and release processes Comfortable making architectural decisions and influencing technical direction Able to work...

Long-term Java Developer role available for a UKIC DV Cleared individual. Working on a secure programme, this will be a broad development role that will give you an opportunity to develop cutting edge web applications – frontend (Vue/React or Angular) and backend (Core Java). Suited candidates will have a deep experience in developing, integrating, and maintaining secure web applications. You will have good version control, code reviews, and secure development practices, having worked within an Agile environment. You will also have good experience with Linux based environments. Any experience of MongoDB, GitLab, CI/CD, Docker, AWS, microservices or cloud-native development would be advantageous. For candidates without this experience, this contract role will offer the opportunity to build on these skills. This role requires a self-starting Java Developer who can hit the ground running and who thrives in consistent learning, picking up enhanced software development...

C#, WPF, .NET Developer is required by global company for an initial 12-month contract. The successful candidate will have experience with detailed design, development, implementation, integration, and testing of software in C# to build windows/web-based applications. The ideal contractor would have experience in software development in C# (.NET Core 2.1+, .NET Framework 4.6+) and Visual Studio 2022. Experience in WPF, user interface design and MVC/MVVM design patterns. Experience with connecting to and consuming RESTful web services. Experience with generic design-patterns (Dependency Injection, Inversion of Control and similar) and .NET Frameworks (MVVM, WPF, MEF, Entity Framework) in the construction of large and complex software applications. Experience of using version control (GIT), change control and code quality control/review processes. Experience of working in SCRUM environments where regular builds, unit tests and integration testing are the norm. Can contribute...

Initially a 2-3 month contract, the client can be flexible and would welcome either part or Full time candidates. The role is outside IR35. You must be able to be DBS cleared if needed. We are seeking an experienced Oracle Service Cloud Developer to support the development, configuration, and enhancement of Oracle Service Cloud solutions click apply for full job details

BI DEVELOPER LONDON3 DAYS ONSITE OUTSIDE IR35 £450 TO £500 PER DAY This is an opportunity to join a business undergoing a major data transformation programme, helping to build a trusted reporting environment across multiple business functions. You will play a key role in shaping data architecture, improving integration's, and delivering meaningful Power BI insights that support strategic decision-making. The Company They are a well-established, commercially focused organisation with a strong international presence. As part of an ongoing data integration initiative, they are bringing together information from multiple systems across finance, HR, operations, and client-facing functions. They are investing in creating a single source of truth to improve reporting, data visibility, and business performance. This contract offers the chance to make a tangible impact within a complex and evolving environment. The Role and Deliverables Engage with senior stakeholders to gather...

Title: Contract Kotlin Engineer (Web, not mobile) Rate: £450 (Outside IR35) Length: 6 months (2 days per month, have multiple locations UK wide) Harvey Nash have partnered up with a consultancy who are working into a government department, looking to bring on a Kotlin engineer. Key Skills: Highly experienced Kotlin engineer with a background in delivering on Web, not mobile click apply for full job details