37 developer jobs found

🤖 Senior Android Engineer – Fintech - 6m OUTSIDE contract 💷 Up to £500/day | Outside IR35 📆 6-Month Contract 📍 Central London – 3 days onsite We’re working with a leading fintech scale-up looking for an experienced Senior Android Engineer to join their mobile engineering team on an initial 6-month contract. 📱 This is a highly product-focused role, working on a major Android product build and creating polished, data-rich mobile experiences. You’ll have genuine end-to-end ownership , from initial idea and technical approach through to testing and release. 👨 💻 A senior doer This is an important one: they need someone senior who is still very close to the code. They’re not looking for a hands-off Lead, they want a highly technical, hands-on Senior Android Engineer who can make good architectural decisions but still enjoys getting stuck into the implementation. You’ll also need to be a confident, clear communicator who can articulate your...

Senior Flutter Developer - Full Stack - London - Outside IR35 My client, a start up requires a Senior Flutter Developer with full stack experience for a permanent position. your CV must evidence recent experience with the following: Senior Flutter Development Firebase Services JAVA Spring Boot Framework API's Data Structures This position is based in Marylebone London.

Senior Product Developer - 3 Positions A leading Market Data and Intelligence organisation is looking for three Senior Product Developers to join its engineering teams, working on software and data products within a large-scale, data-driven environment. The roles will focus on developing and enhancing applications using .NET/C#, Azure and SQL Server , with responsibility across the full software development life cycle. You'll be working on products supporting financial institutions and investment professionals, solving complex technical and data challenges. The technology environment is centred around the Microsoft ecosystem , with .NET/C#, SQL Server and Azure forming key parts of the platform. Depending on the product area, you may also work with Azure DevOps, CI/CD, REST APIs, Blazor and data ingestion/ETL . As a senior developer, you'll contribute to technical decisions, improve existing systems, address technical debt and work closely with Product, Engineering,...

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 on the design, development and enhancement of Power Platform solutions. You'll work closely with technical and business stakeholders to develop scalable applications, automate business processes and support the delivery of business-critical services. The successful candidate will have strong experience developing Power Apps solutions, particularly Canvas Apps, alongside a solid understanding of Dataverse and data modelling. You'll also bring experience with Microsoft Copilot Studio and be comfortable engaging directly with stakeholders to understand requirements and translate them into practical technical solutions. Key responsibilities: * Design, build and...

Role: Senior C# Developer Location: London (Remote) Day Rate: Up To £600 Per Day Type: Contract (Outside ir35) A highly regarded financial institution is seeking an experienced C# Developer to join their technology team on a contract basis. This role sits within a fast-paced environment focused on delivering robust, scalable solutions that support critical business operations. Key Responsibilities Develop and maintain high-performance applications using modern Microsoft technologies Collaborate with cross-functional teams to define, design, and deliver solutions Contribute to architectural decisions and best practices Ensure code quality, performance, and reliability through testing and optimisation What We're Looking For Extensive experience in software development using C# and the .NET ecosystem Strong understanding of modern application architecture and design principles Proven ability to build scalable and maintainable systems...

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 Platform technologies. The role demands strong knowledge in Microsoft Dynamics 365 CRM customisation, integration, and development using various programming languages and frameworks. Core Technical Expertise Extensive experience as a Technical Consultant specialising in CRM Customer Engagement solutions Proficient in Power Platform technologies including Automate flows and Canvas Apps Strong skills in Dynamics 365 CRM configuration, customisation, and integration capabilities Expertise in integration technologies like Logic Apps, HTTP, JSON Proficiency in programming languages such as .NET, C#, JavaScript Development and Project Leadership...

Fullstack Developer - Node - Typescript - AI - AI Agents - TDD - Up to £525 per day (Outside IR35) - Hybrid - 3 month contract - Immediate Starters We're a mission-driven tech company that builds products to help people make confident decisions about their finances and everyday services. They are looking for a strong Fullstack Engineer who is excited about working with new technologies and has hands on commercial experience with Node, Typescript and React Essential Skills: Strong commercial experience with React and Typescript. Commercial experience in Node Must have commercial experience working with AI and AI Agents Experience configuring, deploying, and monitoring applications on AWS. TDD (Test-Driven Development) experience. Comfortable working with relational and NoSQL databases, including complex queries and performance optimization. Solid understanding of web design patterns, including SOLID principles. Experience working in an agile, collaborative environment....

DV Cleared Python Developer Location: Stratford, London Onsite: 3 days per week Contract: part time Rate: £550-600 per day Outside IR35 Clearance: Active DV We're looking for an experienced DV-cleared Python Developer to support a secure technology project within the UK national security space. This is a hands-on engineering role, working across Python development, containerised environments, APIs, microservices and data pipeline technologies within an air-gapped environment . Skills Required Active DV clearance Strong commercial Python coding experience Strong Docker and Kubernetes experience, including deployment and management Experience building, deploying and maintaining capabilities within air-gapped environments Experience building and integrating with APIs and microservices Experience with Prefect, Airflow or similar data pipeline technologies Experience configuring and integrating workflow tooling, such as Jira Experience with...

A specialist consultancy is seeking an experienced NHS Power BI Developer to support the delivery of a high-profile healthcare transformation programme within the NHS. You'll be responsible for developing reporting and analytics solutions that enable operational and clinical teams to make informed, data-driven decisions. Client Details Our client is an established consulting organisation delivering complex technology, data and transformation programmes across the public sector. They are currently supporting a large NHS programme and require additional BI expertise to strengthen their reporting and analytics capabilities. Description Design, develop and maintain Power BI dashboards and reports. Create management information and reporting solutions for operational and clinical stakeholders. Develop and optimise data models to support reporting requirements. Work with stakeholders to gather and translate business requirements into technical solutions. Support healthcare...

A specialist consultancy is seeking an experienced NHS Power BI Developer to support the delivery of a high-profile healthcare transformation programme within the NHS. You 'll be responsible for developing reporting and analytics solutions that enable operational and clinical teams to make informed, data-driven decisions. Client Details Our client is an established consulting organisation delivering complex technology, data and transformation programmes across the public sector. They are currently supporting a large NHS programme and require additional BI expertise to strengthen their reporting and analytics capabilities. Description Design, develop and maintain Power BI dashboards and reports. Create management information and reporting solutions for operational and clinical stakeholders. Develop and optimise data models to support reporting requirements. Work with stakeholders to gather and translate...

Senior Full Stack Developer (React / C# .NET) Contract: Initial 3-Month Engagement (Long-Term Programme) Location: Birmingham - flexible remote working options available - Candidates UK wide can be considered Rate: £500 per day - Outside IR35 Senior Full Stack Developers. Strong React/front-end capability. Strong C#/.NET back-end capability. Ability to operate across the full stack where required. Overview We are seeking experienced interim Senior Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. You will need very strong React skills with Core C# (recent) experience. This is a full stack role with a Front End bias. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing to data migration, integration, and technical design activities....

Senior Full Stack Developer (React/C# .NET) Contract: Initial 3-Month Engagement (Long-Term Programme) Location: Hybrid Working - Approximately 1 day per week in Birmingham (flexible based on project requirements) Rate: £500 per day - Outside IR35 Senior Full Stack Developers. Strong React/Front End capability. Strong C#/.NET Back End capability. Ability to operate across the full stack where required. Overview We are seeking experienced interim Senior Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. You will need very strong React skills with core C# (recent) experience. This is a full stack role with a Front End bias. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both Front End and Back End technologies while contributing to data migration, integration, and technical...

A specialist consultancy is seeking an experienced BI Developer to support the delivery of a high-profile healthcare transformation programme within the NHS. You'll be responsible for developing reporting and analytics solutions that enable operational and clinical teams to make informed, data-driven decisions. Client Details Our client is an established consulting organisation delivering complex technology, data and transformation programmes across the public sector. They are currently supporting a large NHS programme and require additional BI expertise to strengthen their reporting and analytics capabilities. Description Design, develop and maintain Power BI dashboards and reports. Create management information and reporting solutions for operational and clinical stakeholders. Develop and optimise data models to support reporting requirements. Work with stakeholders to gather and translate business requirements into technical solutions. Support healthcare performance...

A specialist consultancy is seeking an experienced BI Developer to support the delivery of a high-profile healthcare transformation programme within the NHS. You 'll be responsible for developing reporting and analytics solutions that enable operational and clinical teams to make informed, data-driven decisions. Client Details Our client is an established consulting organisation delivering complex technology, data and transformation programmes across the public sector. They are currently supporting a large NHS programme and require additional BI expertise to strengthen their reporting and analytics capabilities. Description Design, develop and maintain Power BI dashboards and reports. Create management information and reporting solutions for operational and clinical stakeholders. Develop and optimise data models to support reporting requirements. Work with stakeholders to gather and translate business...

Senior Full Stack Developer (React / C# .NET) Contract: Initial 3-Month Engagement (Long-Term Programme) Location: Birmingham - flexible remote working options available - Candidates UK wide can be considered Rate: £500 per day - Outside IR35 Senior Full Stack Developers. Strong React/front-end capability. Strong C#/.NET back-end capability. Ability to operate across the full stack where required. Overview We are seeking experienced interim Senior Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. You will need very strong React skills with Core C# (recent) experience. This is a full stack role with a Front End bias. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing to...

Senior Full Stack Developer (React / C# .NET) Contract: Initial 3-Month Engagement (Long-Term Programme) Location: Hybrid Working - Approximately 1 day per week in Birmingham (flexible based on project requirements) Rate: £500 per day - Outside IR35 Senior Full Stack Developers. Strong React/front-end capability. Strong C#/.NET back-end capability. Ability to operate across the full stack where required. Overview We are seeking experienced interim Senior Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. You will need very strong React skills with core C# (recent) experience. This is a full stack role with a Front End bias. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing...

This is a 6 month contract opportunity for an experienced D365 Systems Developer, supporting our London based real estate client to design, build and test Dynamics 365 modules like Sales, Marketing, Customer Service, F&O using PowerApps, PowerAutomate This is a hybrid role where you will be expected to be on site three days per week in NW London. Ensure all production changes are made in accordance with life cycle methodology, version control, appropriate testing, and risk guidelines. Day-to-day maintenance and enhancements of systems in test and production operations to address the ever-changing technology stacks in use and new business requirements. Work with the senior developers and build to customise integrations connected to systems applications. Work closely with creatives, developers, and the project team for systems solutions.

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 on the design, development and enhancement of Power Platform solutions. You'll work closely with technical and business stakeholders to develop scalable applications, automate business processes and support the delivery of business-critical services. The successful candidate will have strong experience developing Power Apps solutions, particularly Canvas Apps, alongside a solid understanding of Dataverse and data modelling. You'll also bring experience with Microsoft Copilot Studio and be comfortable engaging directly with stakeholders to understand requirements and translate them into practical technical solutions. Key responsibilities: * Design, build and...

Senior Product Engineer - Python/React | £650/day Outside IR35 Up to £650/day | Outside IR35 | 6 months | Shoreditch, London I'm working with an exciting early-stage HealthTech business that is building a highly ambitious consumer healthcare product from the ground up. They have an exceptionally experienced founding team with a strong track record of building, scaling and exiting successful technology businesses , and are now growing the engineering team at a key stage of the company's journey. They're looking for an experienced Product Engineer who wants genuine ownership - working closely with the founders and engineering team to take problems from initial idea through to production and customer feedback. This isn't a ticket-driven engineering role. They need someone who enjoys building, shipping and making product decisions . Key experience: Excellent Python engineering skills Async systems/data processing React and comfortable working across the full stack...

JWT / JSON Developer Location: London - Hybrid / 2 days per week onsite Contract Length: 6 months Day Rate: Up to £650 a day (Outside IR35) We 're supporting a leading UK financial services organisation in the search for an experienced JWT / JSON Developer to join a high-performing engineering team on an initial 6-month contract. This role will focus on authentication, authorisation and secure service-to-service communication across a large-scale digital platform. You 'll be working on OAuth 2.0 and OpenID Connect (OIDC) implementations, JWT-based authentication, and integrations with identity providers within a modern cloud-native environment. Key Responsibilities Develop and maintain authentication and authorisation services Implement OAuth 2.0 and OIDC integrations with identity providers Work with JSON Web Tokens (JWTs), including issuance, validation, signing and key management Contribute to CI/CD pipelines and trunk-based...