21 of 21 Permanent Senior Software Developer Jobs in the South East

Senior Software Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. … The organisation is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Senior Software Developer -Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components for maximum performance across a vast array of web- capable devices and … the highest quality. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Senior Software Developer -Experience Required Proven experience as a Full Stack Developer or similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda More ❯

Senior Software Developer - C# Senior Software Developer required by a leading Cloud Technology company based in Bracknell. The company are working on cutting-edge technology including AI and propensity modelling. This is a brand-new position due to growth and will join a well-established, high calibre development team. The company operate on a … in the office and 2 days from home. Essential experience: Degree in Computer Science or other STEM subject ideally from a Russell Group University 5+ years' experience in a software development role C# SQL Server Source control, ideally Git Experience working within an Agile environment Any experience in the following would be advantageous: .NET 5/6 JavaScript, TypeScript More ❯

Senior Software Developer - C# Senior Software Developer required by a leading Cloud Technology company based in Bracknell. The company are working on cutting-edge technology including AI and propensity modelling. This is a brand-new position due to growth and will join a well-established, high calibre development team. The company operate on a … in the office and 2 days from home. Essential experience: Degree in Computer Science or other STEM subject ideally from a Russell Group University 5+ years' experience in a software development role C# SQL Server Source control, ideally Git Experience working within an Agile environment Any experience in the following would be advantageous: .NET 5/6 JavaScript, TypeScript More ❯

Senior Software Developer Location: Surrey office (during probation) then Remote/Hybrid – because we trust you not to code in your pyjamas... much Please do not apply if you need sponsorship, this company does not sponsor. Salary: £55k-£60k Benefits that don't include free pizza (sorry) The Gig Fancy joining a well-established SaaS company that … s been innovating since 1998? They're looking for a Senior Software Developer who enjoys tackling complex technical challenges. You'll be building and maintaining their platform that helps the UK public sector communicate effectively – think of it as WhatsApp for grown-ups with important jobs. What You'll Be Doing Writing code that actually works (revolutionary … load Code reviews (yes, someone will judge your variable names) Keeping up with tech trends that change faster than British weather What They Need From You 5+ years of software development experience (all paths to expertise are welcome) Strong skills in .NET, JavaScript, TypeScript, C# Experience with React, Angular, or Vue.js (frontend wizardry) Knowledge of databases (both SQL and More ❯

HM Land Registry (HMLR) is undertaking one of the largest transformation programmes in government, modernising the digital systems that support over £7 trillion of property ownership. As a Senior Software Developer, you'll take a leading role in designing and delivering the systems and services that power this national infrastructure. Salary up to £60,800, 29% employer … pension contribution plus full Civil Service benefits. Flexible, hybrid working from 14 office locations across the UK. About the Role As a Senior Software Developer, you'll combine hands-on coding with technical leadership. You'll work in a multidisciplinary team of developers, testers, product managers and architects to build secure, scalable systems and help guide technical … direction across your team. You'll also mentor colleagues and contribute to improving development processes and standards across the Software Development Practice. HMLR's Developers work on a variety of projects that are central to their digital transformation. This includes rebuilding core registration and casework systems, geospatial data initiatives, developing new cloud-native services and modernising Legacy applications into More ❯

Lead Software Developer required by a leading global Cloud Technology company based in Bracknell. The company are working on cutting-edge technology including AI and propensity modelling. The Lead Software Developer will be responsible for the software engineering output of the team. This will be a leadership role however success candidate will be expected to … hands-on, writing code when required, as well as designing architecture. Therefore the successful candidate will have strong hands-on coding knowledge. The company are happy to consider a Senior Developer who is looking to step up into more of a leadership role. They operate on a hybrid model which involves 3 days in the office and … days from home. Essential experience: Degree in STEM subject from a Russell Group or Red Brick University Experience leading software development teams Knowledge of either C# or React Strong experience with SQL Source control, ideally Git Agile Any experience in the following would be advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker More ❯

Lead Software Developer required by a leading global Cloud Technology company based in Bracknell. The company are working on cutting-edge technology including AI and propensity modelling. The Lead Software Developer will be responsible for the software engineering output of the team. This will be a leadership role however success candidate will be expected to … hands-on, writing code when required, as well as designing architecture. Therefore the successful candidate will have strong hands-on coding knowledge. The company are happy to consider a Senior Developer who is looking to step up into more of a leadership role. They operate on a hybrid model which involves 3 days in the office and … days from home. Essential experience: Degree in STEM subject from a Russell Group or Red Brick University Experience leading software development teams Knowledge of either C# or React Strong experience with SQL Source control, ideally Git Agile Any experience in the following would be advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker More ❯

1X2 Network, the multi-award winning iGaming supplier, is looking for a Senior Software Developer. This is an opportunity to join a highly creative, rapidly expanding independent software company. About 1X2 Network 1X2 Network has pioneered iGaming development for over 2 decades and now encompasses a number of game development studio subsidiaries. We supply a broad array … leading iGaming companies at industry events and festivals. We are proud of our international team and large global partnerships with leading clients. The Position We are seeking a talented Senior Software Developer to join our dynamic team. The successful candidate will be responsible for designing, developing, and maintaining Java-based applications, contributing to the full software development lifecycle from concept to deployment and beyond. This role is ideal for a passionate developer looking to further their career in a challenging and rewarding environment. Responsibilities Develop and maintain high-quality Java applications Collaborate with cross-functional teams to define, design, and ship new features Write well-designed, efficient, and testable code Conduct code reviews and More ❯

1X2 Network, the multi-award winning iGaming supplier, is looking for a Senior Software Developer. This is an opportunity to join a highly creative, rapidly expanding independent software company. About 1X2 Network 1X2 Network has pioneered iGaming development for over 2 decades and now encompasses a number of game development studio subsidiaries. We supply a broad array … leading iGaming companies at industry events and festivals. We are proud of our international team and large global partnerships with leading clients. The Position We are seeking a talented Senior Software Developer to join our dynamic team. The successful candidate will be responsible for designing, developing, and maintaining Java-based applications, contributing to the full software development lifecycle from concept to deployment and beyond. This role is ideal for a passionate developer looking to further their career in a challenging and rewarding environment. Responsibilities Develop and maintain high-quality Java applications Collaborate with cross-functional teams to define, design, and ship new features Write well-designed, efficient, and testable code Conduct code reviews and More ❯

SC Cleared Senior Software Developer in Test Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary Negotiable, DoE, plus company benefits. About Us Triad Group Plc is an award-winning digital, data, and solutions consultancy with over 35 years' experience primarily serving the UK public sector and central government. We … products, with systems to track unsafe products Powering systems that help the government monitor and reduce greenhouse gas emissions from commercial transport Role Summary We are seeking an experienced Software Developer in Test to lead the development and implementation of robust test automation frameworks. This role is ideal for a self-driven individual with a strong background in … Cypress, and Selenium WebDriver, and the ability to work independently from the ground up. You will play a key role in ensuring the quality, accessibility, performance, and security of software products through comprehensive automated testing strategies. Working closely with cross-functional teams in an Agile environment, you'll be instrumental in driving continuous improvement in test practices and delivering More ❯

SC Cleared Senior Software Developer in Test Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary Negotiable, DoE, plus company benefits. About Us Triad Group Plc is an award-winning digital, data, and solutions consultancy with over 35 years' experience primarily serving the UK public sector and central government. We … products, with systems to track unsafe products Powering systems that help the government monitor and reduce greenhouse gas emissions from commercial transport Role Summary We are seeking an experienced Software Developer in Test to lead the development and implementation of robust test automation frameworks. This role is ideal for a self-driven individual with a strong background in … Cypress, and Selenium WebDriver, and the ability to work independently from the ground up. You will play a key role in ensuring the quality, accessibility, performance, and security of software products through comprehensive automated testing strategies. Working closely with cross-functional teams in an Agile environment, you'll be instrumental in driving continuous improvement in test practices and delivering More ❯

Senior Software Developer | Colchester | Full Time| £40,000-£50,000 depending on experience + benefits Our client is a specialised Freight Forwarding and Fuel Distribution Software company with over 30 years of Software development experience. The company offers a flexible working environment with standard office hours from 9:00 am to 5:30 pm with … with users to determine functional specifications After a period of induction/familiarisation the successful candidate will be expected to liaise with clients to ascertain requirements Code & Maintain existing software suites & design & build functional improvements & bug fixes Support existing customer base via phone/email/face to face What can you expect in return? The chance to join More ❯

Senior Software Developer - Transform Public Sector Tech No sponsorship can be given Location: Surrey (Office-based during probation, then Remote/Hybrid) Salary: £55,000 - £60,000 + Excellent Benefits Experience: 5+ years Ready to make a real impact?Join a thriving UK SaaS company that's revolutionizing how the public sector connects with citizens. We're … architectural decisions in a microservices environment Work with cutting-edge tech including Docker and modern DevOps practices Collaborate with brilliant minds solving complex technical challenges What You Need5+ years software development experience (SaaS preferred) Strong skills in React, JavaScript, TypeScript, C# Experience with microservices, containerization (Docker) Knowledge of SQL & NoSQL databases CI/CD pipeline experience What's In … It For You?Clear career progression to Lead Developer roles Health insurance (year 2+) & pension Flexible working post-probation Continuous learning & mentorship opportunities Work on software that genuinely matters to society Ready to level up your career while making a difference? Apply now - this won't be available long More ❯

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/SQL Server/ASP.NET universe. Many projects are greenfield … on.You will be given the opportunity to work with the some of the latest technologies possible and will be expected to produce excellent code for our clients in house software applications and trading platform.Our client offers a very collaborative working environment with all of the development team coming from excellent educational backgrounds from across Europe. This role is within More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Senior Software Engineering role in a growing SaaS product company ? Recent investment means we are scaling & growing our Software Engineering & product teams - we are keen to add a Senior Engineer into this, with accomplished skills in the .Net platform (C#, ASP.net) & Angular framework. … So, if you d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company we d like to speak with you! Job title: Senior Software Developer. Location: Banbury, Oxfordshire. Very commutable from Warwick, Bicester, Milton Keynes, Northampton, Rugby, Coventry, Leamington Spa, etc. Hybrid working: 2 days per week in the office. … Flexible on this, but we would like some office time, as a senior figure in the software engineering team. Salary: Up to £70K Basic (£60K to £70K range) + Benefits package. You ll have the full support of an Agile Scrum Master, excellent technical product team & obviously full stack software engineers in your team. Our tech stack More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Senior Software Engineering role in a growing SaaS product company ? Recent investment means we are scaling & growing our Software Engineering & product teams - we are keen to add a Senior Engineer into this, with accomplished skills in the .Net platform (C#, ASP.net) & Angular framework. … So, if you'd like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we'd like to speak with you! Job title: Senior Software Developer. Location: Banbury, Oxfordshire. Very commutable from Warwick, Bicester, Milton Keynes, Northampton, Rugby, Coventry, Leamington Spa, etc. Hybrid working: 2 days per week in the office. … Flexible on this, but we would like some office time, as a senior figure in the software engineering team. Salary: Up to £70K Basic (£60K to £70K range) + Benefits package. You'll have the full support of an Agile Scrum Master, excellent technical product team & obviously full stack software engineers in your team. Our tech stack More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Senior Software Engineering role in a growing SaaS product company ? Recent investment means we are scaling & growing our Software Engineering & product teams - we are keen to add a Senior Engineer into this, with accomplished skills in the .Net platform (C#, ASP.net) & Angular framework. … So, if you d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company we d like to speak with you! Job title: Senior Software Developer. Location: Banbury, Oxfordshire. Very commutable from Milton Keynes though & numerous staff come from this area. Warwick, Bicester, Northampton, Rugby, Coventry, Leamington Spa, Brackley etc. All … good commutes too. Hybrid working: 2 days per week in the office. Flexible on this, but we would like some office time, as a senior figure in the software engineering team. Salary: Up to £70K Basic (£60K to £70K range) + Benefits package. You ll have the full support of an Agile Scrum Master, excellent technical product team More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Senior Software Engineering role in a growing SaaS product company Recent investment means we are scaling & growing our Software Engineering & product teams - we are keen to add a Senior Engineer into this, with accomplished skills in the .Net platform (C#, ASP.net) & Angular framework. … So, if you’d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we’d like to speak with you! Job title: Senior Software Developer. Location: Banbury, Oxfordshire. Very commutable from Milton Keynes though & numerous staff come from this area. Warwick, Bicester, Northampton, Rugby, Coventry, Leamington Spa, Brackley etc. All … good commutes too. Hybrid working: 2 days per week in the office. Flexible on this, but we would like some office time, as a senior figure in the software engineering team. Salary: Up to £70K Basic (£60K to £70K range) + Benefits package. You’ll have the full support of an Agile Scrum Master, excellent technical product team More ❯

joining us on this exciting journey. Job Purpose As we continue to expand our market share in the rapidly emerging Employee Experience platform category, we're looking for a Senior Software Engineer to join our growing team building intelligent, scalable, and secure applications powered by AI. You'll work across the full stack using modern web technologies and … days per week expected in our Eashing office. Some on-call availability may be requested during critical periods, with prior arrangement. Main Responsibilities Own and contribute to the full software development lifecycle of new features and core platform capabilities, from architectural design to hands-on coding and deployment. Design and build APIs, UIs, and services using a modern stack … modern full stack development, particularly with React, TypeScript, Node.js, Next.js, and database technologies such as PostgreSQL. Experience working with cloud infrastructure, preferably with Azure or Vercel. Solid understanding of software engineering principles, web architecture, and performance optimisation. Familiarity with integrating and consuming AI models via APIs. Experience building and consuming RESTful and/or GraphQL APIs. Knowledge of automated More ❯

Location: Surrey Solving varied real-world defence and security challenges through software Please note, candidates are required to secure Developed Vetting (DV) clearance for this role. This requires you to be a British citizen and have resided in the UK for at least 10 years. This company is seeking experienced software developers to join their multi-disciplinary team … top of specialist hardware. This might require optimisation for low power environments or novel adaptations of existing technologies to new sensor data. Your work will expand to more sophisticated software projects in the cyber security industry, as well as creating UIs for electronic gizmos using web technologies. You will be working alongside other bright software and hardware engineers More ❯

financial sector. It is a business where staff stay. There is a competitive salary and bonus on offer too. What's the role? We are seeking a highly experienced Senior/Lead C#.NET developer with strong coding expertise. On top of this, we need solid architectural experience and ideally some leadership skills The role is NOT for an … architect but for an experienced developer with architectural experience. Strong Microsoft Development and Azure skills needed. Experience with financial software would be extremely useful or experience working with highly complex product software. Evidence of the complexity of development will be required to showcase your skillset. The role is Permanent only. It is UK-based remote. No sponsorship or More ❯