26 to 50 of 65 Senior Developer Jobs in the South East

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 ...

Senior Power Platform Developer London, Hybrid (4 days onsite), Outside IR35 £500-£620 (DOE) Location: UK (Hybrid/Remote options • Employment: Permanent Senior Power Platform Developer is required by high-growth, tech-driven client who are currently scaling up their operations. This is a hands … senior role where you’ll own the end-to-end delivery of apps, automations and dashboards, shape platform strategy and governance, and be the go-to expert for stakeholders across technology and the wider business. The role Design, build and maintain solutions using Power Apps, Power Automate, Power ...

Senior Full Stack Web Developer - ONSITE Mon-Fri onsite in Debden IG10 Salary to £100k (multiple roles & levels) + p ension scheme + health Free onsite gym & parking Offices are a 5 mins walk from Debden tube station (Central line) with close road links to M11/… data for recruitment purposes only (details of Profile 29s privacy policy can be found at: profile-29 .com/privacy) Profile 29 recruitment keywords: senior web developer lead web developer London Essex ASP.NET MVC MVC5 C# 6 Design Patterns SOLID Entity Framework SQL Server TDD NUnit Javascript ...

Senior Dynamics 365 CE Developer Remote or Hybrid (London) Nigel Frank International are partnered with an established Dynamics 365 CRM End User who are looking for a Senior Dynamics 365 CE Developer to provide significant contributions to the design and build of enterprise solutions! Responsibilities Deliver ...

Senior Oracle PL/SQL Developer, OLTP, Technically challenging hands-on coding role in a large and complex environment. Slough, Berkshire (office based in Slough during probation then 3 days in the office and 2 days working from home). Salary most likely to be in the range … + benefits. Successful software technology company based in Slough are looking for a Senior Oracle developer to join their team. To be considered you will have excellent PL/SQL development skills with strong knowledge of OLTP, table designs, SQL queries and more. In addition you must also ...

Senior Backend Software Developer (C#/.NET) Location: London (Hybrid) Salary: £75,000 – £80,000 basic + 10% bonus Our client is a high-growth SaaS technology company building intelligent platforms used by global enterprises in highly regulated environments. They are looking to grow by 30% this calendar … year, and are hiring junior, mid-level and Senior Software Engineers. What they’re looking for: Strong experience building enterprise-grade backend systems using C# .NET Core/Framework SQL and relational database design skills Solid engineering fundamentals: clean code, testing, debugging and secure development Experience working in complex ...

client is looking for a Senior Developer to design, build, and optimise high-performing Front End and Back End systems while leading by example-driving best practices, mentoring others, and championing innovation across tech stack. This is a great opportunity to step into a leadership-focused role within … planning Mentor junior developers and uphold high engineering standards Collaborate closely with Product, Design, and DevOps teams Monitor and improve application performance Skills & Experience: Senior-level experience with PHP/Laravel, MySQL, JavaScript, CSS, Tailwind, Livewire Experience with React/NextJS or similar frameworks Strong AWS experience ...

Senior Unity Developer - Immersive (AR/VR) & AI Projects Permanent/Full-Time Camberley-Based Studio - 1 2 days per week on-site We're working with an experience design studio that builds real-time VR and AR projects for clients in automotive, construction, infrastructure, hospitality and retail ...

Position: Senior Back End Developer Location: UK – Fully Remote Salary: £60,000 - £80,000 We’re working with a forward-thinking technology-led organisation that’s looking to hire a Senior Back End Developer to join one of their high-performing engineering teams. This … discovery and planning through to build, release and ongoing monitoring. The team works in two-week sprints and follows Agile best practices. As a Senior/Lead Back End Engineer, your role will balance hands-on development with leadership responsibilities. You’ll provide technical direction, coach and mentor developers ...

Senior Software Developers specialising in trading systems required for an excellent client based in London. The successful Software Developer will join a extremely talented development team and you will be exposed to creating and maintaining our client's own applications based around a C#/.NET/ ...

Senior ODI ETL/OBIEE BI Developer 2 Year FTC - Hybrid Our client, a well-established financial services organisation, is seeking an experienced Senior ODI ETL & OAS/OBIEE BI Developer to support the design, development and ongoing management of enterprise banking data platforms. This … hands-on senior role suited to a specialist with strong Oracle data warehousing, ETL and BI experience , combined with deep banking domain knowledge , particularly across Oracle Flexcube, Oracle ERP , and ideally Finastra OPICS . You will play a key role in delivering high-quality data integration, reporting and analytics ...

Role: Senior Laravel Developer Location: Redhill - Hybrid (3 to 4 days per week in the office) Salary: £85,000 to £95,000 Benefits: Pension, Healthcare, 25 days holiday This is a new and unique opportunity to join a genuinely unique web-based company located in very nice offices … donations. They are small, friendly and highly collaborative company with a huge focus on user experience. You will manage/lead one other Laravel Developer, taking full responsibility for their current and future platform so we need a 100% hands-on Senior Dev or Dev Manager for this ...

Senior Backend Engineer (PHP) - OOP, PHP, MySQL, TDD - Fareham, Hampshire. This is an in office role. - Salary circa £60,000 plus benefits An exciting new opportunity for a Senior Backend Engineer to join an entrepreneurial business based in Fareham. Working within a dedicated LAMP environment and reporting ...

reliable, and customer-focused solutions, supported by strong risk management and operational controls. Due to continued growth, they are keen to appoint an experienced Senior Full Stack PHP Developer to be based out of the Hove offices paying a salary range of £50,000 to £65,000 plus … bonus. As an experienced Senior Full Stack PHP Developer, you will take technical ownership, complete launch delivery and lead post-live development - including an exciting AI roadmap. This role will be hands-on leading real features, integrating systems and improve reliability. Senior Full Stack PHP Developer ...

looking for an experienced Senior Software Developer to join an excellent client's team in Basingstoke. The successful candidate will be responsible for helping to design and deliver secure, scalable software solutions across the full stack. You'll play a hands-on role in coding while providing technical ...

Senior Software Engineer (Python/Java, AWS) London, Manchester or Cheltenham - primarily on site £60,000-£75,000 per annum basic salary, with some flexibility at the top end for the right candidate £15,000-£20,000 per annum in additional compensation related to clearance and wider benefits ...

Software Developer, C#.Net, MS SQL Server , Horsham, West Sussex to £65K (Hybrid) An established software company in Horsham are looking for a passionate Back End Software Engineer to design, develop and install software solutions. The C#.Net/Back End Software Engineer responsibilities include gathering user requirements, defining system functionality ...

Senior Full Stack Engineer - C#, .Net, TypeScript, JavaScript Hybrid, 1-2 days near Liverpool Street Up to £90,000 + bonus + benefits If you enjoy solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely matters, this is an opportunity ...

Senior Java Engineer – Microservices Migration (iGaming) Are you a Senior Java Engineer who has led or been deeply involved in moving monolithic platforms to modern microservices architecture? If you enjoy complex systems, large scale integrations and building reliable back ends, this could be a great next step. Package ...

Senior Software Development Engineer - SC Cleared Role: New permanent Opportunity for a Senior Software Developer to work on a range of Mission-Critical Defence projects Location: Worcestershire, Woking, or Bristol (Hybrid) Clearance: SC Clearance required for UK Defence Projects Email: Phone: The Opportunity We are seeking … Senior Software Development Engineer to join a highly skilled engineering team working on advanced, mission-critical systems. This role offers the opportunity to contribute to cutting-edge technology programmes spanning defence, security, and complex system integration, working across the full software lifecycle from early concept through to production. ...

Senior Back-End Developer – Java Contract duration: 12 months Location: London (hybrid working) Pay: £700-800/day (PAYE) As a Senior Back-End Developer you will be instrumental in designing, developing and maintaining the back-end of complex microservices architecture. Your expertise in Java Microservice ...

Role: Senior Mobile Applications Developer Clearance: SC required Location: Hybrid - up to 2 days onsite in High Wycombe (as required) Working Pattern: Full-time IR35: Inside IR35 Start Date: ASAP Contract End Date: 27 February 2026 Role Overview: We are looking for an experienced Senior Mobile Applications … Developer to support the ongoing development of existing mobile applications. The role will focus on implementing new features and ensuring applications are updated and compatible with the latest operating system versions. Key Skills & Experience: Strong experience in iOS development using Swift and UIKit Experience with Java Ability to work ...

Role: Senior Mobile Applications Developer Clearance: SC required Location: Hybrid - up to 2 days onsite in High Wycombe (as required) Working Pattern: Full-time IR35: Inside IR35 Start Date: ASAP Contract End Date: 27 February 2026 Role Overview: We are looking for an experienced Senior Mobile Applications … Developer to support the ongoing development of existing mobile applications click apply for full job details ...

latency, high-frequency trading platform. You will use cutting-edge Java programming techniques so experience in this area is essential. As a Senior Developer, you’ll not only code but also take on key design responsibilities, shaping impactful projects. You'll mentor junior members of the team, driving ...

Role: Senior Laravel Developer Location: Redhill - Hybrid (3 to 4 days per week in the office) Salary: £85,000 to £95,000 Benefits: Pension, Healthcare, 25 days holiday This is a new and unique opportunity to join a genuinely unique web-based company located in very nice offices ...