11 senior backend developer jobs found

6 Month Contract   London or Manchester     We are seeking a highly skilled Senior Product Develope r to join our team and play a key role in building and enhancing our Intranet Product. This position requires deep expertise in SharePoint development and integration, combined with strong proficiency in modern web technologies and cloud services.  This role sits within our award-winning Fresh team, which creates beautiful, personalised intranets that empower people to do their best work. You can find out more about our Fresh business here About Fresh | Fresh Intranet    Recent MSP winners of the UK MSP of the year at 2025 MSP Channel Awards Join an award-winning Microsoft partner and leading technology provider for mid-market businesses. Read more about our Microsoft Designations and Awards here we are also one of the first to achieve the newly launched Microsoft Support Services Designation       Salary...

6 Month Contract   London or Manchester     We are seeking a highly skilled Senior Product Develope r to join our team and play a key role in building and enhancing our Intranet Product. This position requires deep expertise in SharePoint development and integration, combined with strong proficiency in modern web technologies and cloud services.  This role sits within our award-winning Fresh team, which creates beautiful, personalised intranets that empower people to do their best work. You can find out more about our Fresh business here About Fresh | Fresh Intranet    Recent MSP winners of the UK MSP of the year at 2025 MSP Channel Awards Join an award-winning Microsoft partner and leading technology provider for mid-market businesses. Read more about our Microsoft Designations and Awards here we are also one of the first to achieve the newly launched Microsoft Support Services Designation       Salary...

We are looking for a Test Lead/ Manager to join our crew! You’ll play a key role in driving our ambition to build a best-in-class engineering culture—where quality, collaboration, and continuous improvement sit at the heart of everything we do. We’re looking for an experienced Test Manager to join our client's Loyalty team and help deliver seamless, high-quality digital experiences to millions of customers. You’ll lead the testing strategy and ensure the reliability of systems that integrate personalized offers and mission-based rewards into our customer journey. Working closely with developers, data scientists, and the core loyalty platform team, you’ll help create a modern digital ecosystem powered by data and built with cutting-edge technology.   This is an initial 6 month contract (outside IR35). You will be required on client site 3 days a week in Paddington, London.   What You’ll Do: Test Leadership...

We are seeking a passionate Software Engineering Manager who will provide technical expertise and operate with excellence. Being creative, curious, and confident, you will be an integral part of our empowered, self-managing, multi-disciplinary engineering teams - designing, building, releasing, and maintaining products. You will play a key role in driving our ambition to create a best-in-class software engineering team, environment, and culture. This is an initial 6 month contract (outside IR35) that requires you to work on client site 3 days a week in London, Paddington. Requirements   Your key accountabilities will include: Team Management: Build, mentor, and manage a high-performing software engineering team. Foster a culture of collaboration, innovation, and continuous improvement within the team. Facilitate communication and collaboration among team members. Ensure budgets, people and resource allocation, and workload, balance across...

We are looking for a Staff Full-Stack Engineer to take technical ownership across backend and frontend development, shaping high-quality, scalable solutions and setting engineering standards for the team. This role combines hands-on delivery with technical leadership, mentoring, and close collaboration with product and platform teams. You will work across modern backend services built in Kotlin, rich frontend applications using React and Next.js with TypeScript, and cloud-native infrastructure on Azure or AWS.   This is an initial 6 month contract (outside iR35) that requires you onsite in London Paddington 3 days a week.   Key Responsibilities Lead the design and development of full-stack solutions, balancing backend robustness with high-quality user experiences Build and maintain backend services using Kotlin , following clean architecture and best practices Develop modern, performant frontends using React, Next.js, and TypeScript...

The Cabinet Office supports the Prime Minister and ensures the effective running of government. The Cabinet Office is also the corporate headquarters for the government, in partnership with HM Treasury, and takes the lead in certain critical policy areas. More information about the Cabinet Office can be found on its website at: www.gov.uk/government/organisations/cabinet-office As a Principal Software Developer, your main responsibilities will be: Essential: You will be responsible for the development of frontend and backend services, applying a rigorous testing approach to ensure applications are functionally sound, secure, performant, and maintainable. You will design code to operate in different host environments, with the ability to effectively debug production issues. You will need to collaborate effectively in a fast-paced, agile environment with other technical and non-technical stakeholders, and proactively input technical detail to architectural designs and...

We are looking for a Test Lead/ Manager to join our crew! You’ll play a key role in driving our ambition to build a best-in-class engineering culture—where quality, collaboration, and continuous improvement sit at the heart of everything we do. We’re looking for an experienced Test Manager to join our client's Loyalty team and help deliver seamless, high-quality digital experiences to millions of customers. You’ll lead the testing strategy and ensure the reliability of systems that integrate personalized offers and mission-based rewards into our customer journey. Working closely with developers, data scientists, and the core loyalty platform team, you’ll help create a modern digital ecosystem powered by data and built with cutting-edge technology.   This is an initial 6 month contract (outside IR35). You will be required on client site 3 days a week in Paddington, London.   What You’ll Do: Test Leadership...

At Valcon, we are a European Powerhouse in data, cloud, and AI-driven business transformation. We combine deep technical expertise with our heritage in operational excellence, failsafe delivery, and organisational change. Trusted by Europe's leading organisations, we don't just advise - we implement and deliver sustainable transformation. Backed by private equity, Valcon has brought together leading firms to form one of Europe's fastest-growing consultancies. In the UK, we're scaling quickly while maintaining a collaborative, hands-on, and down-to-earth culture. The Opportunity Valcon UK is looking for an AWS Architect to play a key role in shaping and delivering our cloud and technology agenda. This is a senior, client-facing role with responsibility for designing, leading, and delivering AWS-based solutions that enable real business outcomes. Cloud is central to how Valcon creates value. Our work spans cloud strategy, platform modernisation, data and AI enablement, and...

We are seeking a passionate Software Engineering Manager who will provide technical expertise and operate with excellence. Being creative, curious, and confident, you will be an integral part of our empowered, self-managing, multi-disciplinary engineering teams - designing, building, releasing, and maintaining products. You will play a key role in driving our ambition to create a best-in-class software engineering team, environment, and culture. This is an initial 6 month contract (outside IR35) that requires you to work on client site 3 days a week in London, Paddington. Requirements   Your key accountabilities will include: Team Management: Build, mentor, and manage a high-performing software engineering team. Foster a culture of collaboration, innovation, and continuous improvement within the team. Facilitate communication and collaboration among team members. Ensure budgets, people and resource allocation, and workload, balance across...

We are looking for a Staff Full-Stack Engineer to take technical ownership across backend and frontend development, shaping high-quality, scalable solutions and setting engineering standards for the team. This role combines hands-on delivery with technical leadership, mentoring, and close collaboration with product and platform teams. You will work across modern backend services built in Kotlin, rich frontend applications using React and Next.js with TypeScript, and cloud-native infrastructure on Azure or AWS.   This is an initial 6 month contract (outside iR35) that requires you onsite in London Paddington 3 days a week.   Key Responsibilities Lead the design and development of full-stack solutions, balancing backend robustness with high-quality user experiences Build and maintain backend services using Kotlin , following clean architecture and best practices Develop modern, performant frontends using React, Next.js, and TypeScript...

We are looking for a Test Lead/ Manager to join our crew! You’ll play a key role in driving our ambition to build a best-in-class engineering culture—where quality, collaboration, and continuous improvement sit at the heart of everything we do. We’re looking for an experienced Test Manager to join our client's Loyalty team and help deliver seamless, high-quality digital experiences to millions of customers. You’ll lead the testing strategy and ensure the reliability of systems that integrate personalized offers and mission-based rewards into our customer journey. Working closely with developers, data scientists, and the core loyalty platform team, you’ll help create a modern digital ecosystem powered by data and built with cutting-edge technology.   This is an initial 6 month contract (outside IR35). You will be required on client site 3 days a week in Paddington, London.   What You’ll Do: Test Leadership...