1 to 25 of 38 Permanent Senior Developer Jobs in the Thames Valley

Are you an experienced .Net (C#) Developer, with "full stack" capability around Angular & Asp.Net , looking to take on a Senior Software Engineering role in a growing SaaS product company ? This is a great opportunity to take on a Senior Developer role with a view to progressing into a Lead as the team continues to grow, if … the above & 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 aka Senior .Net Developer, Senior Full Stack Developer Location: Banbury, Oxfordshire. Hybrid working: 2 days per week in the office/from … home office. Flexible on this, but we would like some office time, as a senior figure in the software engineering team. Good commutes from: Oxford, Bicester, Warwick, Coventry, Northampton, Milton Keynes, Rugby, Reading, etc. Salary: £60K - £65K Basic range + Benefits package. We can potentially be flexible though - so please just get in touch! You will be working in More ❯

Are you an experienced .Net (C#) Developer, with "full stack" capability around Angular & Asp.Net , looking to take on a Senior Software Engineering role in a growing SaaS product company ? This is a great opportunity to take on a Senior Developer role with a view to progressing into a Lead as the team continues to grow, if … the above & 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 aka Senior .Net Developer, Senior Full Stack Developer Location: Banbury, Oxfordshire. Hybrid working: 2 days per week in the office/from … home office. Flexible on this, but we would like some office time, as a senior figure in the software engineering team. Good commutes from: Oxford, Bicester, Warwick, Coventry, Northampton, Milton Keynes, Rugby, Reading, etc. Salary: £60K - £65K Basic range + Benefits package. We can potentially be flexible though - so please just get in touch! You will be working in More ❯

Are you an experienced .Net (C#) Developer, with "full stack" capability around Angular & Asp.Net , looking to take on a Senior Software Engineering role in a growing SaaS product company ? This is a great opportunity to take on a Senior Developer role with a view to progressing into a Lead as the team continues to grow, if … the above & 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 aka Senior .Net Developer, Senior Full Stack Developer Location: Banbury, Oxfordshire. Please make sure you read the following details carefully before making … any applications. Hybrid working: 2 days per week in the office/from home office. Flexible on this, but we would like some office time, as a senior figure in the software engineering team. Good commutes from: Oxford, Bicester, Warwick, Coventry, Northampton, Milton Keynes, Rugby, Reading, etc. Salary: £60K - £65K Basic range Benefits package. We can potentially be flexible More ❯

Mid-Senior Developer | Angular | Rapidly Expanding Tech Company My client are seeking a Mid/Senior level Front End Developer with a passion for Angular to join their team. You'll be a key contributor to the engineering efforts, working closely with both the leadership and UX teams to enhance and scale core platforms. This is … Complex Problems: Address environment issues and platform challenges, and contribute to the design of a scalable, modular architecture. What we're looking for: Proven experience as a Mid or Senior developer with deep expertise in Angular . Experience with complex, high-traffic web platforms. Familiarity with version control systems, such as Git. Understanding of front-end testing frameworks … and tools (e.g., Jasmine, Karma, Protractor). A collaborative mindset and a desire to contribute to a high-performance culture. If you are a talented and experienced developer looking to make a significant impact on a growing business, we encourage you to apply. 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 hybrid model 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 hybrid model More ❯

Senior Mobile Software Developer Tech : React Native, JavaScript, Android, iOS Why? start-up financial services, revolutionising the industry Location : Hybrid - 1/2 days in the office (Central London) Salary : £80,000 - £100,000 + benefits 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 Mobile Software Developer - Responsibilities Design, develop, and maintain advanced applications using React Native. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components for … quality and speed. 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 Mobile Software Developer - Experience Required Proven track record of developing and maintaining high-quality mobile applications using React Native from concept through to launch. Focus on how app More ❯

Senior React Developer/Front End Engineer (React TypeScript Data Visualisation) London to £80k Are you a skilled Software Developer with strong React and Data Visualisation skills combined with a good appreciation of financial markets and technology? You could be joining a growing, global, Fintech services company that has seen 30-40% year on year growth for … the past 10 years and has ambitious growth plans. As a Senior React Developer you'll design and develop new features and enhancements to the front end of the platform with a focus on real-time data visualisation on business critical systems using React. You'll collaborate with backend engineers to build complex financial products. Location/WFH … and Python backend systems You're degree educated, having achieved a 2.1 or above in Computer Science or similar technical discipline What's in it for you: As a Senior React Developer you will receive a comprehensive package including: Salary to £80k Private Medical Healthcare including Dental and Vision cover Pension Share Option scheme Employee Wellness Programme Summer More ❯

Senior Full Stack Developer/Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon … established 10 years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Full Stack Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future … experience, happy to mentor more junior developers You're likely to be degree educated in Computer Science or similar tech discipline What's in it for you: As a Senior Full Stack Developer you will receive a competitive package: Salary to £100k 25 days holiday (increasing to 30), plus Christmas Eve Vitality healthcare plus a host of wellbeing More ❯

Senior Software Developer London – Twice a week in the office £70,000-£90,000 I’m currently working for a well-established tech consultancy business of over 70 years who are based in Central London and looking for a Senior Software Developer , paying up to £90,000 and requiring office working of twice a week. The More ❯

Senior .NET Integration Developer - Maidenhead (Hybrid) - Salary £65k (DOE) We have partnered with an exciting SaaS company who are looking for a Senior .NET Integration Developer to join their growing team. You will be developing and maintaining robust integrations with third party systems such as financial services, telematics platforms and mapping APIs. Key Responsibilities: Develop and … platforms Awareness of ISO 27001, SOC 2, or GDPR compliance standards Benefits: Competitive base salary Hybrid working Private healthcare Exciting and unique projects Pension scheme If you are a Senior .NET Developer experienced in integration heavy environments using the .NET Framework, looking to join a great company offering an incredible benefits package, this could be the perfect opportunity More ❯

Senior Full Stack Developer | C# & React | Greenfield Trading Platform | London, Hybrid | Up to £120k + Bonus, Benefits ❗ Note: This role does not provide Visa Sponsorship ❗ 💹 Our client is looking for a Senior Full Stack Developer with strong expertise in C# to join them in shaping the future of financial technology and redefining trading experiences for the … their trading platforms. C#.NET is the core back-end technology across the business. React is used for the front-end, making experience with it beneficial but secondary. As a Senior Developer , you’ll be hands-on in development while also contributing to technical decisions. 💸 Salary: Up to £120,000 + Strong Bonus + Benefits 📍 Hybrid Working: 4 days More ❯

Senior Plasma Code Developer Abingdon Rd, Culham, UK Full-time Salary: £56,596 (inclusive of Specialist Allowance) + excellent benefits including outstanding pension Division: Plasma Science and Fusion Operations Site Location: UKAEA Culham, Oxfordshire Confirmed Grade: Level 5 Department: Plasma Physics Compensation: GBP 56,596 - GBP 56,596 yearly Company Description By 2050, the planet could be using … of open source data. The Role Are you looking for an exciting opportunity to make a difference? Join our team and contribute to the future of fusion energy. As Senior Plasma Code Developer,you will be responsible for developing and maintaining plasma core and edge modelling codes and ensuring that UKAEA's plasma modelling capability incorporates state-of More ❯

Senior Plasma Code Developer Abingdon Rd, Culham, UK Full-time Salary: £56,596 (inclusive of Specialist Allowance) excellent benefits including outstanding pension Division: Plasma Science and Fusion Operations Site Location: UKAEA Culham, Oxfordshire Confirmed Grade: Level 5 Department: Plasma Physics Compensation: GBP 56,596 Qualifications, skills, and all relevant experience needed for this role can be found in … of open source data. The Role Are you looking for an exciting opportunity to make a difference? Join our team and contribute to the future of fusion energy. As Senior Plasma Code Developer,you will be responsible for developing and maintaining plasma core and edge modelling codes and ensuring that UKAEA's plasma modelling capability incorporates state-of More ❯

Senior Plasma Code Developer Abingdon Rd, Culham, UK Full-time Salary: £56,596 (inclusive of Specialist Allowance) excellent benefits including outstanding pension Division: Plasma Science and Fusion Operations Site Location: UKAEA Culham, Oxfordshire Confirmed Grade: Level 5 Department: Plasma Physics Compensation: GBP 56,596 Qualifications, skills, and all relevant experience needed for this role can be found in … of open source data. The Role Are you looking for an exciting opportunity to make a difference? Join our team and contribute to the future of fusion energy. As Senior Plasma Code Developer,you will be responsible for developing and maintaining plasma core and edge modelling codes and ensuring that UKAEA's plasma modelling capability incorporates state-of More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead/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/Lead Engineer into this. 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: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. Very commutable from Warwick, Bicester, Milton Keynes, Northampton, Rugby, Coventry, 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 + Benefits package. We can be somewhat flexible though - so please just get in touch. You ll have the full support of an Agile Scrum Master, excellent technical product team & obviously full stack software engineers More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead/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/Lead Engineer into this. 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: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. Very commutable from Warwick, Bicester, Milton Keynes, Northampton, Rugby, Coventry, 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 + Benefits package. We can be somewhat flexible though - so please just get in touch. You ll have the full support of an Agile Scrum Master, excellent technical product team & obviously full stack software engineers More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead/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/Lead Engineer into this. 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: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. Very commutable from Warwick, Bicester, Milton Keynes, Northampton, Rugby, Coventry, 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 + Benefits package. We can be somewhat flexible though - so please just get in touch. You’ll have the full support of an Agile Scrum Master, excellent technical product team & obviously full stack software engineers More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead/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/Lead Engineer into this. 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: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. Very commutable from Warwick, Bicester, Milton Keynes, Northampton, Rugby, Coventry, 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 + Benefits package. We can be somewhat flexible though - so please just get in touch. You’ll have the full support of an Agile Scrum Master, excellent technical product team & obviously full stack software engineers More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead/Senior Software Engineering role in a growing SaaS product company ? Recent investment means we are scaling & growing our Software Engineering & product teams Please ensure you read the below overview and requirements for this employment opportunity completely. - we are keen to add a Senior … 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: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. Very commutable from Warwick, Bicester, Milton Keynes, Northampton, Rugby, Coventry, etc. Hybrid working … 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 Benefits package. We can be somewhat flexible though - so please just get in touch. 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 Lead/Senior Software Engineering role in a growing SaaS product company ? Recent investment means we are scaling & growing our Software Engineering & product teams Please ensure you read the below overview and requirements for this employment opportunity completely. - we are keen to add a Senior … 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: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. Very commutable from Warwick, Bicester, Milton Keynes, Northampton, Rugby, Coventry, etc. Hybrid working … 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 Benefits package. We can be somewhat flexible though - so please just get in touch. You'll have the full support of an Agile Scrum Master, excellent technical product team More ❯

Exciting opportunity for a Senior Endur Developer to join this Global Energy Company for a 6 -12 month initial long term contract. Deep/Complex Greenfield v25 Endur Implementation Experience. *Excellent Day Rates (Umbrella Company) *3 Days in London/2 Day Remote *Gas & Power Trading Knowledge *Commercial Reporting experience *Either: Front & Middle or Back Office Endur experience … Endur implementation, performing a key role from design through to build and delivery. *This will be a great learning and development opportunity for even the most experienced Endur Developers. *Senior Endur Developer that has experience in Endur platform enhancements/implementations and strong Core Java skills. This needs combining with a positive attitude and an ability to work More ❯

Senior Plasma Code Developer Abingdon Rd, Culham, UK Full-time Salary: £56,596 (inclusive of Specialist Allowance) + excellent benefits including outstanding pension Division: Plasma Science and Fusion Operations Site Location: UKAEA Culham, Oxfordshire Confirmed Grade: Level 5 Department: Plasma Physics Compensation: GBP 56,596 - GBP 56,596 yearly Company Description By 2050, the planet could be using More ❯

Senior Android Engineer (Apps & SDK – Kotlin, Jetpack) Hybrid | 1 day/week in Central London | UK-based | Permanent A fast-growing, well-funded tech company in Fintech space is looking for a Senior Android Engineer to join their high-impact mobile team. About the Role: They’re looking for a Senior Android Engineer to help shape and More ❯

Senior Backend Software Engineer (multiple vacancies) – Python | FastAPI | AWS | Microservices 💵 £70,000–95,000 base salary + Bonus 📦 Flexible benefits budget | 90 day work-from-anywhere perk 💻 Python, FastAPI, PostgreSQL, DynamoDB, AWS, EKS 📍 Remote first or hybrid (London) InsurTech | Modern, high traffic, scalable microservices development We’ve partnered with a well known name in the insuretech space - one of … and strong engineering leadership, they offer the right mix of scale-up pace, engineering maturity, and long-term growth potential. They're looking for a number of bright, engaging Senior and Lead Software Engineers familiar with or interested in working with their tech stack. Tech stack: Python (FastAPI) | gRPC | GraphQL | PostgreSQL | DynamoDB | AWS | EKS | CI/CD pipelines What … a profitable, product-focused company with ambitions to scale in 2025. You’ll be surrounded by experienced engineers and given the tools to take ownership and grow your career. Senior Backend Software Engineer (multiple vacancies) – Python | FastAPI | AWS | Microservices More ❯