21 of 21 Senior Software Developer Jobs in the UK excluding London

Date: 26 Jun 2026 Location: Belfast, GB Job Function: Technical Business Unit: Andor Technology Senior Software QA Developer At Oxford Instruments Andor, we are devoted to accelerating the greatest scientific advancements of our age. It matters to us that the products we develop make a real difference … widest possible scientific research and industrial communities. We are a market-leading organisation with a diverse and inclusive environment. We are hiring for a Senior Software QA/Developer who will work within the Software and Driver Development Team, extending and enhancing Andor's innovative scientific ...

Senior Software Developer - Industrial Automation Environment We are seeking a Senior Software Developer to play a key role in designing, building and maintaining core software applications that support advanced automated materials handling, warehouse automation and robotics-led production environments. This is a software-led position, focused on developing production-grade applications, platforms and user interfaces. While the software operates within an industrial setting, the primary responsibility is software engineering - not hardware configuration or PLC programming. You will join a team responsible for modernising an existing technology stack, contributing ...

C# Senior Software Developer - Onsite My client is seeking a talented C# Senior Software Developer to join their Preston-based team. This role offers an exciting opportunity to lead projects, mentor junior developers, and work on high-impact, secure banking solutions. You will … company Opportunity to mentor and lead junior developers Work in a supportive, collaborative, and technically driven environment Gain experience in high-security, mission-critical software projects Interested? Please Click Apply Now!C# Senior Software Developer ...

Senior Software Developer Up to 70k Birmingham Fully remote React, Symfony Benefits: 25 days + bank holidays Flexible hours Fully remote MacBook provided I am working with a well-established UK client looking for a Senior Software Developer in React and Symfony. … looking for a strong developer who enjoys building high-quality software and working closely with a collaborative, forward-thinking team. You'll be comfortable mentoring others, sharing knowledge, and contributing to technical discussions and decision-making. We're looking for someone who is technology-agnostic, enjoys solving problems ...

Senior Software Developer Up to 80k Bristol, Hybrid Python, AWS and MLOps Benefits: 28 days holiday plus bank holidays Pension and matched contributions Private health care I am working with a new and exciting startup client looking for a Senior Software Developer using Python … hands-on role and requires active up to date programming skills and you will also be deploying AI solutions but need strong foundational software skills. Day-to-day responsibilities: Responsible for building software solutions Work in AWS cloud environments. Own the delivery Build APIs Create backend systems Write ...

Senior Software Developer Salary: £53,000 - £78,000 Location: South West England (Onsite) Clearance: Must hold active UKIC DV Clearance To Apply: Please email your CV to The Opportunity An exciting opportunity has arisen for an experienced Software Developer to join a specialist engineering team … delivering secure, high-performance backend software for mission-critical programmes. Working within Linux environments, you'll help design and develop scalable Java and C++ applications while providing technical leadership across the software development lifecycle. This role is ideal for an experienced engineer who enjoys solving complex technical challenges ...

C# Senior Software Developer - Onsite My client is seeking a talented C# Senior Software Developer to join their Preston-based team. This role offers an exciting opportunity to lead projects, mentor junior developers, and work on high-impact, secure banking solutions. You will ...

client is a well established, leading software company within the ecommerce sector, offering bespoke ERP and point of sale solutions to a growing range of industries. To support on-going growth across the business, they now seek to appoint an experienced and capable Senior Software Developer to join their growing team. Reporting to the Development Manager, as a Senior Software Developer you will play a lead role in the development team, working to maintain and enhance the core application and related software and to develop new product features, support ...

Senior Software Developer (Python/PostgreSQL) We’re looking for a talented Senior Software Developer to play a key role in designing, building, and enhancing our clients core business systems. This is an exciting opportunity to work on modernising platforms, contributing to a forward … frameworks, working closely with stakeholders to ensure solutions are fit for purpose and aligned with customer needs. You’ll be involved in the full software lifecycle from design and development to testing, deployment, and ongoing support while promoting best practices and continuous improvement. You’ll collaborate with cross-functional ...

Senior Software Developer Salary: £53,000 - £78,000 Location: South West England (Onsite) Clearance: Must hold active UKIC DV Clearance To Apply: Please email your CV to The Opportunity An exciting opportunity has arisen for an experienced Software Developer to join a specialist engineering team … delivering secure, high-performance backend software for mission-critical programmes click apply for full job details ...

Senior Software Developer Hybrid - 2 days per week in the Southampton Office £65,000 - £70,000 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 ...

Senior Software/Applications Developer Location: Cheltenham (Hybrid) Salary: £65k As a Senior Developer, you will play a key role in supporting, maintaining, and evolving our core business systems and integrations. Working within the Business Systems team, you will deliver reliable, scalable solutions that support … will collaborate closely with stakeholders across the business, contributing to both new initiatives and continuous improvement of existing platforms. Your responsibilities as a Senior Developer will be: Develop, maintain, and enhance business applications, integrations, and internal systems, ensuring solutions are scalable, reliable, and user-focused. Work closely with ...

Description Senior Software/Applications DeveloperLocation: Cheltenham (Hybrid)Salary: £65kAs a Senior Developer, you will play a key role in supporting, maintaining, and evolving our core business systems and integrations. Working within the Business Systems team, you will deliver reliable, scalable solutions that support … integration. You will collaborate closely with stakeholders across the business, contributing to both new initiatives and continuous improvement of existing platforms.Your responsibilities as a Senior Developer will be:Develop, maintain, and enhance business applications, integrations, and internal systems, ensuring solutions are scalable, reliable, and user-focused.Work closely with ...

Senior Software/Applications Developer Location: Cheltenham (Hybrid) Salary: £65k As a Senior Developer, you will play a key role in supporting, maintaining, and evolving our core business systems and integrations. Working within the Business Systems team, you will deliver reliable, scalable solutions that support ...

Senior Software Engineer Up to £70,000 + benefits Flexible Working (UK based only!) Shape the future of warehouse automation. Build software that keeps some of the UK's biggest retailers and logistics businesses moving. We're looking for a Senior Full Stack Developer to join an innovative engineering team developing next-generation software solutions for automated warehouse operations. Working with a modern technology stack including C#, .NET, React, TypeScript, PostgreSQL, and REST APIs, you'll play a key role in designing, developing, and enhancing applications that have a direct impact ...

balance work and life About the Role This is more than just a job, its an opportunity to lead, innovate, and grow. As a Senior Software Developer in Test , youll: Work with our clients to design, build, and implement cutting-edge automation frameworks and testing solutions. Lead … Together Were on the lookout for passionate, talented individuals who are ready to make an impact. Whether youre an experienced automation tester or a developer with a flair for QA, we want to hear from you. ...

building and improving applications which make a real impact in how our services function, and ultimately improving the lives for our residents. As a Senior Software Developer you will have: Demonstrable experience of the whole development lifecycle for Microsoft Power Platform. Passion for Microsoft Power Apps, Power ...

Senior Full Stack Developer - Remote - £65,000-£70,000 (DOE) I'm working with an exciting organisation that is looking to appoint a Senior Full Stack Developer to help design and deliver secure, cloud-native applications within a modern Microsoft and Azure ecosystem. This … also work closely with UI/UX teams using Figma and operate within Agile delivery frameworks. What They're Looking For 5+ years' commercial software development experience Strong expertise in modern .NET Proven experience with modern Angular (15+ ideally) Hands-on Azure architecture and deployment experience Experience implementing Infrastructure ...

Senior Full Stack Developer - Remote - £65,000-£70,000 (DOE) I'm working with an exciting organisation that is looking to appoint a Senior Full Stack Developer to help design and deliver secure, cloud-native applications within a modern Microsoft and Azure ecosystem. This ...

alongside civil servants and industry experts Based in Swansea, South Wales - three days per week on-site Job Summary We are seeking an experienced Senior Ruby Developer to design, develop, enhance, and maintain high-quality web applications and Back End services using Ruby and Ruby on Rails. … successful candidate will work under general direction with substantial autonomy, contributing to solution design, software development, code quality, and mentoring junior team members in line with SFIA Level 4 responsibilities. Key Responsibilities Design, develop, test, and maintain scalable Ruby and Ruby on Rails applications. Develop RESTful APIs and integrate ...

where appropriate) Clearance: Must be eligible and willing to undergo DV clearance (British Citizen, UK residency last 10 years) Are you a proven embedded software engineer who thrives on hard problems and real-world constraints? Want to design and deliver operational tooling directly alongside end users in National Security … Defence Were looking for a senior technical contributor who can take ownership of embedded deliveries, guide technical direction, and mentor othersworking across ESP32, Raspberry Pi, and ARM platforms. What Youll Do Lead development of bespoke embedded solutions across multiple platforms. Design, implement, and maintain production-quality C, C++ ...