1 to 25 of 35 Senior Developer Jobs in the South East

Title : Senior Developer Contract Type: Permanent, Part Time, Full Time, Job Share option available Salary Range: £44,800 - £67,200 Location: Any location within the UK Closing Date for applications: Tuesday 10th March Senior Developer: In this role you will lead on technical design and development … support best practice across the team, and help deliver high quality, secure applications that support our business and customers. Main Responsibilities as Senior Developer: Design and maintain core business applications hosted on the IBMi platform and developed in RPG Deliver solutions that meet business needs and deliver tangible ...

Senior Developer Summer-Browning Associates is currently assisting our Central Government client, who is looking for a Senior Developer for an initial six-month assignment. Location: Milton Keynes Essential Skills: The ideal candidate will hold active SC Clearance and have a proven background in software engineering ...

Senior .NET Developer - UK Security Requirement: Active SC Clearance (essential) A well-established and highly respected technology consultancy is seeking an experienced Senior .NET Developer to join its expanding Cloud Engineering function. This organisation delivers complex, secure and cloud-first solutions to a diverse client base … across the UK. This is an excellent opportunity for a technically strong developer who enjoys taking ownership, working closely with architects and stakeholders, and delivering robust solutions in modern Microsoft environments. Whats on Offer Salary up to £60,000 Excellent benefits package Hybrid/remote working model Supportive ...

Senior Developer is required by fast growing and highly successful global organisation. This is a new opportunity within their experienced, dynamic IT team. Purpose : The 365 Senior Developer will lead and innovate in the creation, customisation, and optimisation of Microsoft 365 and SharePoint solutions that drive ...

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. … been steadily expanding and have a busy pipeline of projects for 2026, and beyond. Owing to this, they're looking to appoint an experienced Senior Unity Developer to join their team. What you'll do as Senior Unity Developer Build Unity applications across VR, AR, mobile ...

Senior/Lead Software Developer - .NET, Entity Framework Hybrid/Remote/Bicester (1 day per week in office) - Strong rail & Motorway connections. An established UK technology business is looking to hire a Senior/Lead .NET Developer to join their software engineering team, working … RESTful APIs. Youll also work with HTML, CSS and JavaScript, and use Git for version control within an agile development environment. As a senior developer, youll contribute to technical decision making, take part in code reviews, and help uphold development standards across the team. There is scope ...

Senior .Net Developer - Onsite in Horsham - Up to £70k I am recruiting for a fast growing UK SaaS company that produces a market-leading SaaS platform used by Finance companies across the UK and Europe. Due to the continued and rapid growth of the company and the expansion … their SaaS product suite they are looking to hire a number of developers with a background in the ASP.Net. As a Software Developer, you will play a crucial role in ensuring the quality and reliability of software products to hundreds of blue-chip finance brand companies across ...

Senior Unity Developer Location: Remote (UK Residents Only) Please note we are only accepting applications from within the UK due to the requirement to travel occasionally for work events and socials. Job Overview Fusebox is seeking a highly skilled Senior Unity Developer to play … hits like The Traitors, Big Brother, and Love Island but also architect the technical foundation for our future titles. We are looking for a developer who thinks in systems, not just scripts. You will take ownership of modularizing large existing codebases and setting up the architecture for new projects ...

Senior Java Developer Role - Minimum 6 years exp - Defence Sector - All Candidates must have a UK Passport to satisfy Government/MoD security vetting procedures - 5 days Onsite in Guildford based office - £50,000 - £85,000 + benefits (DOE) Essential Exp: Java, GUI Development using Java … Java Swing, Linux G.R.E. Recruitment is delighted to partner with a leading Defence Sector organisation who are looking to add a Senior Java Developer to their growing team in their Guildford office. In this role you'll be joining an experienced Java team working on user interfaces, developing ...

Senior .NET Developer - UK Security Requirement: Active SC Clearance (essential) A well-established and highly respected technology consultancy is seeking an experienced Senior .NET Developer to join its expanding Cloud Engineering function. This organisation delivers complex, secure and cloud-first solutions to a diverse client base ...

Senior React Developer - £120,000 - £140,000 – On-site (Central London) Overview We are hiring a Senior React Engineer to join a high-performance technology team within a leading financial services organisation operating in the oil and energy derivatives space. The business runs a cutting-edge electronic ...

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 ...

Senior Software Developer C#, Asp.Net, Azure, REST API's Hybrid - 2 days per week in the Southampton Office Join a global tech leader where innovation, high performance, and career growth are at the heart of everything they do. This is your chance to make a real impact … Software Developer, working on mission-critical systems in a cutting-edge environment. This is great opportunity to join a global business, benefiting from corporate benefits, continuous professional development and an opportunity to work on large programmes of work in public and private sectors. Skills Required: Solid experience developing ASP.NET ...

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/Lead Software Developer - .NET, Entity Framework Hybrid/Remote/Bicester (1 day per week in office) - Strong rail & Motorway connections. An established UK technology business is looking to hire a Senior/Lead .NET Developer to join their software engineering team, working ...

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 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 Java Developer Role - Minimum 6 years exp - Defence Sector - All Candidates must have a UK Passport to satisfy Government/MoD security vetting procedures - 5 days Onsite in Guildford based office - £50,000 - £85,000 + benefits (DOE) Essential Exp: Java, GUI Development using Java ...

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 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 ...

Senior .NET Developer ASP.NET Core/MAUI Hybrid Oxfordshire (1 day per week) £55,000 to £65,000 A growing UK software business is seeking a Senior .NET Developer to work across ASP.NET Core web applications and .NET MAUI mobile apps. Youll build and enhance modern ...

Senior .NET Developer ASP.NET Core/MAUI Hybrid Oxfordshire (1 day per week) £55,000 to £65,000 A growing UK software business is seeking a Senior .NET Developer to work across ASP.NET Core web applications and .NET MAUI mobile apps. Youll build and enhance modern ...

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 ...

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 ...