76 to 100 of 362 Senior Developer Jobs in the UK

Senior Backend Developer - Node Crypto Payments Remote- (HQ: London) 50k-100k Plexus has a great opportunity with one of our long-term clients in the global payments space. They are an established next-generation payments company, allowing users to accept payment methods across 13 different blockchain networks. They … looking for senior backend developer to join the team to working with node to build out their platform further. Responsibilities: Design & build wallet backend services, a rchitect and implement scalable Node.js services for wallet operations Blockchain integration, w ork with full nodes, third-party RPC providers, and indexers. ...

Senior Developer (Node/React) Are you a pragmatic, innovative, and self-motivated problem solver with a passion for building scalable, high-performing software? We're looking for a Senior Full Stack Engineer, with strong skills in Node and React, to join a high-performing product team ...

Senior PHP Developer Location: Fareham Hybrid On-site Salary: Up to £75,000 + benefits We're working with a well-established, award-winning technology business that's scaling rapidly and building a suite of market-leading products. As they continue to expand, they're looking … experienced Senior PHP Developer to join their backend engineering team click apply for full job details ...

Senior Backend Developer - Node Crypto Payments Remote- (HQ: London) 50k-100k Plexus has a great opportunity with one of our long-term clients in the global payments space. They are an established next-generation payments company, allowing users to accept payment methods across 13 different blockchain networks. They … looking for senior backend developer to join the team to working with node to build click apply for full job details ...

SENIOR FULL-STACK JAVASCRIPT DEVELOPER £50-60k Fully remote - Candidate needs to be based in the West Midlands area Node/React/JavaScript/AWS KEY BULLET POINTS Senior hands-on JavaScript role with technical leadership responsibility Node.js, Vue 3/React, PostgreSQL, AWS, Docker … leadership Influence over technical direction and standards Supportive environment with clear ownership and accountability Long-term platform work rather than short-term projects THE SENIOR FULL-STACK JAVASCRIPT DEVELOPER ROLE: This role combines senior-level development with day-to-day technical leadership. You'll remain hands ...

Senior iOS App Developer (Remote) A leading retailer are looking for a Senior iOS App Developer to join their Mobile Team to contribute to the development and evolution of their Mobile App. As the Senior iOS App Developer, you will be responsible for building … version of the app, ensuring it delivers a pixel-perfect, performant, and luxury-aligned experience for customers. You will be a high-performing developer who thrives on clean architecture, elegant code collaborative delivery whilst working as part of an Agile cross-functional team. Skills and Experience * Strong proficiency ...

Senior Software Developer 55k-65k Fully Remote We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices … such as microservices, containerisation (Docker, Kubernetes), or serverless architecture. Awareness of principles like well architected and secure by design Desirable Previous experience in a senior engineering role, guiding teams to successful delivery. Proficiency in multiple programming languages Experience in central government advantageous Experience in a consulting environment Responsibilities Design ...

Senior Front-End Developer Pay of up to £80,664, plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. As a Senior Front-End Developer you'll join our Engineering community and play a key role in shaping and delivering front … part of teams responsible for building and maintaining reusable patterns, components and libraries that underpin digital services at national scale. This is a senior role with real influence. You'll lead front end development across multiple products, promote best practice and act as an advocate for accessibility, usability ...

Senior Front-End Developer Pay of up to £80,664, plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. As a Senior Front-End Developer you'll join our Engineering community and play a key role in shaping and delivering front … part of teams responsible for building and maintaining reusable patterns, components and libraries that underpin digital services at national scale. This is a senior role with real influence. You'll lead front end development across multiple products, promote best practice and act as an advocate for accessibility, usability ...

Senior Front-End Developer Pay of up to £80,664, plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. As a Senior Front-End Developer you'll join our Engineering community and play a key role in shaping and delivering front … part of teams responsible for building and maintaining reusable patterns, components and libraries that underpin digital services at national scale. This is a senior role with real influence. You'll lead front end development across multiple products, promote best practice and act as an advocate for accessibility, usability ...

Reed.ai is looking for a Senior Developer to join their team in Holborn, London. Overview Reed.ai is building the future of recruitment technology. We’re a small, fast-moving, and ambitious team on a mission to transform how people find work and employers discover talent—powered … want to build something meaningful from the ground up, this is the role for you. Key Responsibilities Contribute to our excellent team of 6 senior engineers, setting technical direction while coding and problem-solving. Own the end-to-end delivery of features, ensuring speed, scalability, and quality are never ...

Senior Lawtech Developer (JavaScript/.NET) Bonus | Private Medical | Pension | Hybrid Working | Cutting-edge Legal Tech London (Liverpool Street) | Hybrid (3 days office) | £85,000-£95,000 Join a forward-thinking Lawtech team where technology meets law to deliver smarter, faster legal services. This is a senior … Street Private medical, strong pension, generous holiday High-impact Lawtech projects with real autonomy Opportunity to shape how technology transforms legal services Alternative titles: Senior Software Engineer, Lead JavaScript Developer, Lawtech Technical Lead ...

Senior Lawtech Developer (JavaScript/NET) Bonus | Private Medical | Pension | Hybrid Working | Cutting-edge Legal Tech London (Liverpool Street) | Hybrid (3 days office) | £85,000–£95,000 Join a forward-thinking Lawtech team where technology meets law to deliver smarter, faster legal services. This is a senior … Street Private medical, strong pension, generous holiday High-impact Lawtech projects with real autonomy Opportunity to shape how technology transforms legal services Alternative titles: Senior Software Engineer, Lead JavaScript Developer, Lawtech Technical Lead ...

Senior Developer Data and BI Sub Department Corporate Information Systems Location St Johns Campus Salary £38,249 to £42,882 Post Type Full Time Contract Type Fixed Term - Ends 30/11/2026 Closing Date Monday 02 February 2026 Reference IT2601 We are seeking an experienced Power … Developer to support our data team during a period of growth. The position will begin as maternity cover for the BI lead and could potentially evolve into a permanent role reporting to the BI lead, forming a dedicated Power BI team. Responsibilities include managing the existing reporting suite ...

Senior Software Developer (Java) Cardiff Up to £65,000 DOE What You'll Do: You'll join a collaborative, cross-functional team where you'll play a key role in building and enhancing robust software solutions used by organisations around the world. … solutions, support production releases, and help resolve complex technical issues. There's also a strong opportunity to mentor others and progress towards a lead developer position, shaping both the technology and the team's future direction. What You'll Bring: Strong commercial experience with Java 8+ and modern development ...

Senior Software Engineer | Java | AI | London | £500-£600/day About the Role We are seeking an exceptional Senior Software Engineer with expertise in Java and AI to join our client, an established financial services brand, on a 6-month contract Outside IR35. This is a unique opportunity … Senior Software Engineer to work at the cutting edge of AI-driven development. The Opportunity As a Senior Software Engineer, you'll join a small, innovative team modernising and simplifying critical legacy services using cutting-edge AI tooling. You'll demonstrate what's possible when AI is deeply ...

Senior Python Developer/6 Month Contract/Inside IR35/£550/Milton Keynes My Public Sector client is looking for a Senior Python Developer who will be responsible for designing, developing, testing, and maintaining high-quality software solutions using Python. The role focuses ...

Role Title: ServiceNow Senior Developer Duration: contract to run until 31/03/2026 Location: London, Hybrid working Rate: up to £690 p/d Umbrella inside IR35 Clearance required: MOD SC clearance is essential. Role purpose/summary The Platform Developer will: Demonstrate strong customer ...

Senior Java Developer Initial 3-month contract starting ASAP Tech stack/skills required: Java specialist Prior gov experience will be prioritised Java 21+, Spring 3 NodeJS CI/CD pipelines (GitLab CI) MongoDB (NoSQL) TDD and Unit Testing AWS Cloud Technologies Microservice architecture Apache Kafka Docker/… Agile, using Scrum and Kanban, and delivers in two-week sprints. The service is currently in the Public Beta phase. The Full Stack Developer will join a cross-functional scrum team to support ongoing build activity and help meet delivery timelines. The role is critical to ensuring the team ...

Senior Software Developer (Voice/SIP Platforms) £55,000 £65,000 DOE | Hybrid Working (1x day a month office) Are you a seasoned developer with a passion for building robust, real-time communications platforms? Looking for a role where you can work on complex, enterprise-grade systems … enhancing and extending an existing SIP and VoIP platform used in production environments. This is a hands-on role suited to an experienced developer who enjoys solving complex protocol-level problems, building secure services, and integrating with third-party systems. Youll contribute across the full software lifecycle from design ...

Senior Full Stack Developer Northampton | Up to £60,000 per annum | Hybrid (1-2 days on-site per week) Proactive IT Appointments are supporting a leading organisation in Northampton in their search for a Senior Full Stack Developer to join their team on a permanent basis. ...

Senior Full-Stack Developer (Symfony/React) | Permanent | Remote (UK) | £55,000 - £70,000 DOE | Flexible Working | MacBook Provided A UK-based software consultancy is looking for a Senior Full-Stack Developer to join their growing remote engineering team. The company is made up of experienced … rich SaaS product that has been actively developed and refined over several years. You'll work with modern tools and frameworks, collaborating with other senior engineers to deliver clean, scalable, and maintainable solutions that make a real impact. Technology Environment PHP 8+, Symfony, React, TypeScript, Node.js, GraphQL, MySQL, Redis ...

Senior Software Developer C#, .NET Core, Blazor, SQL Server Salary up to £65k Hybrid role - 2 days per week on-site in Warwick 25 days holidays plus bank holiday Opportunity to grow your career Call 07584 358 089 or email to apply Based on the outskirts of Warwick … well established software house that has received some big client wins so are now looking for senior developers to join the team We are a small but highly skilled team of software developers working on several greenfield projects. We pride ourselves on providing the best quality and service ...

Senior Visualfiles Developer - Home Working Senior Visualfiles Developer with excellent Visualfiles development experience is required by a leading UK law firm. You can be based anywhere in the UK as they will allow remote working and have offices all over the UK. They are looking … another couple of developers to join and established team, so will look at Visualfiles Developers with a range of experience (junior, mid or senior) You will be responsible for the delivery of application development to that help their users and clients drive improvement within the firm through dynamic case ...

recruiting for a Senior .NET Developer to join a awesome tech for good software company operating in the healthcare field based in Exeter, operating a hybrid working model with two days per week in the office. You'll join an experienced Agile Kanban team developing cloud-based software … products that help millions of people across the UK. As a Senior Developer, you will lead projects, take ownership, and be involved in key decision-making, working with a tech stack focused on .NET and C#. The role involves test-driven development, pair programming, and team collaboration ...