76 to 100 of 294 Permanent Senior Developer Jobs

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 nodes to buil 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 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/Experienced Software Developer Location: Guildford (Hybrid – must be UK-based and within a two-hour commute) Contract: Full-time, Permanent Salary: £55,000 – £65,000 (depending on experience) The Opportunity An established UK technology company is expanding its Software Development Team and is looking … experienced Senior Software Developer to help evolve a large-scale, enterprise-grade SIP platform and its associated REST APIs. This is an excellent opportunity to work on complex, real-world systems in a collaborative, technically strong environment. You’ll contribute to the ongoing development of a mission-critical ...

Senior Full Stack Developer Contract Length: Initial 1 month with strong potential for extension Location: Remote Day rate: £600 - £700 per day outside IR35 Data Idols are working with a private equity-backed data analytics and insights business, is seeking a Full Stack Developer to lead … modern, cloud-native platform. The goal is to simplify operations, improve scalability, and materially reduce long-term running costs. The Opportunity This is a senior, hands-on developer engagement with real influence. Reporting directly into the CIO, you'll take ownership of a structured discovery process, reviewing current ...

Senior Software Developer Reference: JAN20260570 Location: Flexible in UK Contract: Permanent Hours: Full-Time, 37.5 hours per week Salary: £50,310.00 - £53,307.00 Per Annum Benefits: Pension Scheme, Life Assurance Scheme, 26 days' Annual Leave What's the role about? This is an exciting opportunity to join … dynamic and innovative team supporting the full range of the RSPBs developer work. Youll use your technical expertise to help us deliver and evolve the capabilities of our public facing website and several other key systems, finding innovative solutions to meet the needs of conservation aims and our global ...

Senior Software Developer C#, .Net Core, JavaScript, Entity Framework, SQL Server Salary up to £55k Ideally 2 days per week in Sutton Coldfield Opportunity to grow your career Based on the outskirts of Birmingham we are a well established software house that has received some big client wins … 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 to our clients. We are long established in the area and count some huge names ...

Join Barclays as a Prime Risk Senior Developer, where you will be part of the Liquid Financing Technology team. The team is currently investing in building a modern, cutting-edge Client Risk Management platform—a unified, cross-asset risk management solution that delivers real-time analytics, workflows ...

Join Barclays as a Prime Risk Senior Developer, where you will be part of the Liquid Financing Technology team. The team is currently investing in building a modern, cutting-edge Client Risk Management platform—a unified, cross-asset risk management solution that delivers real-time analytics, workflows ...

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 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 ...

working with a software-focused business seeking a Senior Full Stack Developer to join their growing technical team. This role is perfect for a talented and proactive developer who enjoys building high-quality software, solving problems, and contributing to the success of a team. … third-party applications Participate in out-of-hours support/on-call when needed Collaborate effectively with other developers and stakeholders As a .NET Developer, you will have the following C# .NET Core ASP.NET Core, MVC SQL Server HTML, CSS, Bootstrap Typescript experience Agile This is an excellent opportunity ...

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 ...

Senior .NET Full Stack Developer Hybrid, 2 -3 days per week on site. MUST be local. Experience: 5+ years The Opportunity A well-established and fast-growing digital technology business is looking to appoint an experienced Senior .NET Full Stack Developer to join … patterns Enhancing existing systems while contributing to new platform development Essential Skills & Experience: 5+ years’ commercial experience as a .NET/ASP.NET Full Stack Developer Strong experience with: ASP.NET, .NET Core, C#, MVC/Razor, HTML, CSS, JavaScript, JSON, XML, MS SQL Server Solid understanding of software architecture ...

SENIOR FULL STACK DEVELOPER Location: Northampton | Hybrid (2 days office) Salary: £60 000 - £70 000 + Bonus + Benefits About the Company - Modern Technology in Financial Services A fast-growing financial technology organisation building scalable digital platforms to transform how customers access financial products. Its development team … system integration through a modern React, Node.js, Python and AWS stack interfacing with Zoho CRM. The Role - Hands-On Engineering and Technical Leadership The Senior Full Stack Developer will design, build and maintain core internal applications and web platforms supporting new financial products and customer self-service solutions. ...

Senior UI Developer - React - FX e-trading A leading global investment bank is expanding its Electronic FX franchise and is seeking an Electronic FX UI Specialist to join a high-performing front-office technology team. This role sits within a strategic e-trading function responsible for the front ...

Senior UI Developer - React - FX e-trading A leading global investment bank is expanding its Electronic FX franchise and is seeking an Electronic FX UI Specialist to join a high-performing front-office technology team. This role sits within a strategic e-trading function responsible for the front ...

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 ...

Senior Full Stack PHP (Laravel) Developer | Manchester City Centre | Hybrid | £50,000 - £65,000 DOE I'm working with a rapidly scaling UK-based company that's looking to bring in a Senior Full Stack PHP (Laravel) Developer to play a key role in shaping backend … systems and supporting product expansion. This is a hands-on senior role with real ownership. You'll work closely with senior technical leadership to design and evolve APIs, improve system performance, and help define how platforms scale securely and reliably. The role will involve: Leading backend development using ...

Complii, we are on the lookout for a Senior Developer to play a key role in strengthening and scaling a business-critical technology platform. This role is focused on reducing risk, supporting significant scale, and helping secure the technical foundations needed to deliver our long-term vision … holiday plus bank holidays, an additional day off for your birthday, a collaborative and supportive working environment, and the opportunity to work closely with senior leaders who value clarity, technical judgement, and delivery. Here is a look at some of the things you will be doing Supporting and contributing ...

Complii, we are on the lookout for a Senior Developer to play a key role in strengthening and scaling a business-critical technology platform. This role is focused on reducing risk, supporting significant scale, and helping secure the technical foundations needed to deliver our long-term vision … holiday plus bank holidays, an additional day off for your birthday, a collaborative and supportive working environment, and the opportunity to work closely with senior leaders who value clarity, technical judgement, and delivery. Here is a look at some of the things you will be doing Supporting and contributing ...

Complii, we are on the lookout for a Senior Developer to play a key role in strengthening and scaling a business-critical technology platform. This role is focused on reducing risk, supporting significant scale, and helping secure the technical foundations needed to deliver our long-term vision … holiday plus bank holidays, an additional day off for your birthday, a collaborative and supportive working environment, and the opportunity to work closely with senior leaders who value clarity, technical judgement, and delivery. Here is a look at some of the things you will be doing Supporting and contributing ...

Complii, we are on the lookout for a Senior Developer to play a key role in strengthening and scaling a business-critical technology platform. This role is focused on reducing risk, supporting significant scale, and helping secure the technical foundations needed to deliver our long-term vision … holiday plus bank holidays, an additional day off for your birthday, a collaborative and supportive working environment, and the opportunity to work closely with senior leaders who value clarity, technical judgement, and delivery. Here is a look at some of the things you will be doing Supporting and contributing ...

Senior Developer/Jnr Technical Architect Location: Newcastle Hybrid Working: Minimum 3 days per week within our Newcastle, Cobalt business park office. Please Note: Due to the nature of client work you will be undertaking, you will need to be willing to go through a Security Clearance process ...