101 to 125 of 253 Senior Software Engineer Jobs in the UK

Senior Software Engineer - Fintech Scale-up Location: Leeds, Hybrid c£90,000 + Bonus + share options Fruition Group are working with an exciting fintech scale-up that's transforming the way people manage their savings. The company provides a digital platform that connects savers with … technical foundation and real traction in the market. Due to continued growth and increasing demand for their platform, they're now looking for multiple Senior Backend Engineers to join their small but highly capable engineering team. The Role: This isn't a typical feature-factory role. ...

Senior Software Engineer (TypeScript Full Stack) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, hands-on Software Engineer role at a successful and profitable energy trading market data scale-up click apply for full job details ...

Senior C++/Java Software Engineer Location: Bristol Salary: Circa £65,000 + Bonus Contract: Full-time | SC EligibleWe're looking for a talented C++ or Java Software Engineer to help develop high-performance applications used in mission planning, data visualisation, and human-machine interfaces … that make a real impact. Key Responsibilities: Design and develop mission planning and graphical applications using C++ or Java Build interactive HMIs/GUI software using Qt, Swing, or similar frameworks Develop native apps for Linux and Windows platforms Apply OS-level security lockdowns and system hardening techniques ...

Senior Software Engineer - Embedded & Application Software Location: On-site (UK) Salary: £60,000-£75,000 per annum Job Type: Permanent, On-site Our client is a leading technology company who is a leader in advanced automatic vehicle detection and classification (advanced detection systems) software, serving ...

Senior Software Engineer - Full-Stack Location: London Working Model: Hybrid 3 Days Salary: Up to £128,000 Ready to build tech that actually means something? This team is powering the next generation of electrification EVs, solar, batteries, heat pumps, smart devices all connected through a platform thats … scaling fast and rewriting the rulebook in green-energy tech. Theyre growing. Theyre hiring. And they want a Senior Engineer who can own problems end-to-end, think like a product person, and ship like someone who knows their craft inside out. If you want a job where ...

Java (Back-end) Software Engineer Edinburgh/Hybrid Up to £70,000 I am looking for a Java Software Engineer to join a leading international network security software company This is a fantastic opportunity to work with cutting-edge technology and make a real impact … workforce. Hybrid, flexible and UK remote working on offer along with pension, private healthcare, DIS, career progression and other benefits on offer. The Role: Software development and support of complex and algorithmic Java software within a Linux environment. Development and use of software APIs between components ...

Senior Software Engineer - Full-Stack Location: London Working Model: Hybrid 3 Days Salary: – Up to £128,000 Ready to build tech that actually means something? This team is powering the next generation of electrification — EVs, solar, batteries, heat pumps, smart devices — all connected through a platform that … scaling fast and rewriting the rulebook in green-energy tech. They’re growing. They’re hiring. And they want a Senior Engineer who can own problems end-to-end, think like a product person, and ship like someone who knows their craft inside out. If you want ...

Software Engineer - Contract - 6 Months About You: As an experienced Software Engineer, your skills and experience will include; - Strong software skills, particularly agile/DevSecOps methodologies; knowledge of Terraform, Helm, Python preferred - Contribute to a continuous learning and feedback process in relation to the DevSecOps ...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with ...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with ...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with ...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with ...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with ...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with ...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with ...

Software Engineer - Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 Company: VC back Startup About the Role: This startup is building a cutting-edge platform to transform … more intelligently than ever before. Looking for someone who enjoys writing clean, wellstructured code and has a genuine interest in engineering.. not just software, but how things are built in the real world. Backed by one of Europe's leading VCs and with a 4-year runway. This company ...

Software Engineer - Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 Company: VC back Startup About the Role: This startup is building a cutting-edge platform to transform … more intelligently than ever before. Looking for someone who enjoys writing clean, wellstructured code and has a genuine interest in engineering.. not just software, but how things are built in the real world. Backed by one of Europe's leading VCs and with a 4-year runway. This company ...

Senior Software Engineer – C# London, UK £140,000 basic + bonus You’ll be the go-to engineer for C# performance, database optimisation, and high-throughput system tuning . This role is all about deep technical ownership: improving query performance, reducing GC pressure, tightening memory usage … coding, async programming patterns, and database performance Influencing architectural decisions with a strong bias toward speed, resilience, and scalability What we’re looking for Senior-level experience with C#/.NET in production, ideally on high-performance or distributed systems Strong experience optimising SQL databases (Postgres, SQL Server ...

Senior Embedded Linux Software Engineer An industry-leading technology developer is seeking a Senior Embedded Linux Software Engineer to join its multi-award-winning R&D team. In this role, you will be responsible for developing high-performance Embedded Linux systems for both … edge embedded platforms and contributing to innovation in a fast-paced engineering environment. Key Responsibilities Design, develop, and test device drivers and application-specific software on Embedded Linux systems Debug system-level issues and collaborate closely with cross-functional engineering teams Board bring-up and evaluation of SoC-based ...

Senior Embedded Linux Software Engineer An industry-leading technology developer is seeking a Senior Embedded Linux Software Engineer to join its multi-award-winning R&D team. Take the next step in your career now, scroll down to read the full role description … edge embedded platforms and contributing to innovation in a fast-paced engineering environment. Key Responsibilities Design, develop, and test device drivers and application-specific software on Embedded Linux systems Debug system-level issues and collaborate closely with cross-functional engineering teams Board bring-up and evaluation of SoC-based ...

World-Class Technology company in Edinburgh are looking for a talented Senior Software Engineer (Android , Kotlin) to join one of their core mobile platform squads. Hybrid working , modern tech, and great culture on offer. The company has been growing steadily and is now recognised as a leader … regularly participate in design discussions and technical decisions, with the freedom to propose solutions and help shape the team's approach. As a Senior Engineer, you'll also mentor and support other Engineers , sharing expertise in Kotlin , native Android optimisation, and cross-platform integration. You'll ideally have ...

Senior Embedded Linux Software Engineer An industry-leading technology developer is seeking a Senior Embedded Linux Software Engineer to join its multi-award-winning R&D team. In this role, you will be responsible for developing high-performance Embedded Linux systems for both ...

Senior Embedded Linux Software Engineer An industry-leading technology developer is seeking a Senior Embedded Linux Software Engineer to join its multi-award-winning R&D team. In this role, you will be responsible for developing high-performance Embedded Linux systems for both ...

World-Class Technology Company in Edinburgh are looking for a skilled Senior Software Engineer ( iOS ) to join one of their core product engineering squads. Hybrid working, cutting-edge tech, and a brilliant culture on offer. They've been steadily growing for several years and have established themselves … technical decisions , where you'll have the freedom to suggest solutions and help contribute to the team's wider technical vision. As a Senior Engineer, you'll also play an active role in mentoring others, sharing best practices , and helping strengthen the foundations of the mobile platform. ...

hire exceptional people and give them the autonomy, trust, and ownership to thrive. The results take care of themselves. The Role As a Senior Software Engineer in the Operations Enablement team, you will be a lead contributor and technical expert, responsible for the full lifecycle … team, mentoring junior engineers and championing engineering excellence. You'll work closely in a cross-functional team, collaborating with our Product Manager and QA Engineer to deliver high-quality, impactful products. What you will do... Lead Complex Workstreams: Take technical ownership of multiple, large-scale projects, managing significant complexity ...