26 to 50 of 210 Senior Software Engineer Jobs in the UK excluding London

Senior Software Engineer (C#, Azure, Event-Driven Systems) £75,000-£8,000 + Bonus + Shares | St Albans (Hybrid) A long-established, high-growth technology business is beginning a major architectural rebuild following several acquisitions. They are unifying multiple systems into a single source of truth and preparing to scale their platform significantly over the next five … years. They are hiring a Senior Software Engineer to play a key role in designing, building, and delivering the next-generation event-driven platform. You'll help break down a large monolith into a distributed, event-driven system processing several million events per day, scaling further as new markets open. This role is hands-on: building services … Solid experience building distributed systems or event-driven architectures. * Strong C# and Azure engineering background. * Understanding of microservices, messaging, and modern architectural patterns. * Track record of delivering secure, stable software into production. * Comfort working in a large-scale transformation environment. * Willingness to learn, collaborate, and influence engineering best practice. Why Join This is an opportunity to help rebuild a More ❯

Senior Software Engineer - Up to £300,000 - Cambridge Title : Senior Software Engineer Company : Proprietary HFT Location : Cambridge Pay : Up to £300,000 with huge potential to increase Company : A proprietary trading firm in Cambridge, specialising in the research and development of ultra-low-latency automated trading strategies, are looking for a Software Engineer More ❯

Senior Software Engineer UK Remote Are you ready to put your technical expertise to work in transforming services that directly improve lives across the UK? Our client provides emergency accommodation and vital support for some of the countrys most vulnerable people including survivors of domestic abuse, refugees, and individuals seeking asylum. Their mission is to create safe … environments and deliver innovative solutions that protect and empower those most in need. They are now looking for a Senior Software Engineerto take a key role in rebuilding and modernising their software landscape. This is a unique opportunity to shape critical systems that underpin essential frontline services. Whats on Offer Fully remote within the UK Salary up … pipelines, version control, testing, and code reviews Excellent communication skills, able to work effectively with diverse teams Background in Agile methodologies Eligible for SC Clearance If youre a seasoned Senior Software Engineer passionate about building scalable solutions, and want your skills to make a real difference, wed love to hear from you. Due to close links to More ❯

Senior Software Engineer UK Remote Are you ready to put your technical expertise to work in transforming services that directly improve lives across the UK? Our client provides emergency accommodation and vital support for some of the countrys most vulnerable people including survivors of domestic abuse, refugees, and individuals seeking asylum. Their mission is to create safe … environments and deliver innovative solutions that protect and empower those most in need. They are now looking for a Senior Software Engineerto take a key role in rebuilding and modernising their software landscape. This is a unique opportunity to shape critical systems that underpin essential frontline services. Whats on Offer Fully remote within the UK Salary up … pipelines, version control, testing, and code reviews Excellent communication skills, able to work effectively with diverse teams Background in Agile methodologies Eligible for SC Clearance If youre a seasoned Senior Software Engineer passionate about building scalable solutions, and want your skills to make a real difference, wed love to hear from you. Due to close links to More ❯

Senior Java Software Engineer 📍Remote UK | 🌍 Global Fintech | 💳 Merchant-First Payments Ecosystem A high-growth global fintech, renowned for delivering world-class payments-related software and technology, is looking to expand its engineering team. As the company continues to scale its platform to meet growing demand, they’re seeking experienced engineers to join their collaborative, outcome … engineers who want to solve real-world problems with elegant, modular, and testable code—and who want their work to make a tangible difference. 🚀 About the Role As a Senior Software Engineer II , you’ll be responsible for designing and developing backend services and portals that power the core payment processing platform. You’ll work across a …/CD. You’ll be trusted with autonomy, empowered to focus on solving technical challenges without unnecessary bureaucracy. Key Responsibilities: Translate merchant and partner needs into scalable, high-performance software solutions. Design and implement clean, testable, and modular systems. Collaborate across small, cross-functional teams to deliver meaningful outcomes. Contribute to continuous improvement of engineering practices and tools. Take More ❯

working but does require engineers on site for 3-4 days per week and is a on secure site where SC clearance is needed. - We're looking for a Senior Software Engineer to join one of our leading defence clients. In this team, you will collaborate across Electronic Engineering, Test Centre and Software Engineering to deliver … capability. This team facilitate robust and timely test on products and ensure the business continues to provide a decisive military capability. They are also responsible for developing and supporting software packages that utilise Test Equipment hardware to configure, verify and validate the conformance and quality of the product range from development, through production and into field test scenarios. The … Software Engineer with be joining a multi-disciplined, dynamic, focused and agile team specialising in all aspects of test solution design, including software, hardware, simulation and real-time systems. This a great opportunity to join a growing team on exciting projects and to grow your own skills within the business - Skill and Experience; A software engineer More ❯

Are you a Senior Embedded Software Engineer? Do you have experience in writing and testing code in Embedded C, C++ and Python? Are you confident working with products involving motor or motion control? If so, an exciting permanent opportunity has arisen to join a company specialising in the design and manufacture of complex electromechanical devices and machines. … Senior Embedded Software Engineer Permanent OpportunityASAP StartMonday to Friday (Flexible start/finish times & hybrid working available)Location: Andover Company Info: The business is a respected, family-run business that’s been transforming lives for over a century. This leading UK manufacturer designs and builds high-quality stairlifts that help people regain their independence and stay in … the homes they love. If you’re looking to make a difference and work on developing new technologies for their sector, then this could be the company for you. Senior Embedded Software Engineer - Job Description: Design, write, test and deliver embedded software solutions for motor controller products, using languages including C, C++ and Python. Maintain and More ❯

Senior Software Engineers Location : Cheltenham Salary: £48,782 to £58,194, including a concessionary payment of £2,658. The final amount depends on your skills and experience. You’ll also receive a one-off recruitment bonus of £3,500, split into two payments: £1,750 on arrival and £1,750 after successfully completing probation. In the future, there … UK from terrorism, cyber-attacks, and espionage. At GCHQ, you’ll do varied and fascinating work in a supportive and inclusive environment that emphasises teamwork. The role As a Senior Software Engineer, you’ll play a pivotal role in solving mission-critical challenges. You’ll contribute to the architecture and design of both new and existing systems … establish and promote best practices, and deliver high-quality software solutions. Drawing on your expertise in various software engineering methodologies, you’ll introduce fresh ideas and innovative approaches that make a real impact at the core of our mission: keeping the UK safe, both in the real world and online. This is a practical, impact-driven role with More ❯

Senior Developer/Senior Software Engineer/Senior .NET Developer C#, (.NET 8.0+), Azure, SQL, Cosmos, React, TypeScript Remote – Work from home With monthly travel to London or Ipswich Around £65,000 - £75,000 p.a. Plus 25 days holiday “You will be working with a highly motivated group of intelligent, enthusiastic, adaptable team players who … have a shared vision to deliver world class software with great usability and performance.” Well that says it all doesn’t it, no need for me to rattle on anymore! I assume you’ve applied by now but just in case… We’re looking for a Senior Software Engineer with strong .NET skills and experience to More ❯

Senior Embedded Software Engineer £60-70k St. Ives If you want to develop yourself from a Senior to a Lead engineer with a leading company developing extremely precise systems. This is the role for you. Platform Recruitment is partnered with a global leader in extremely responsive control software for industrial automation, looking for … a Senior Embedded Software Engineer. You ll be responsible for developing firmware & software, leading the software development team, and innovating the next generation of concepts. Responsibilities as an Embedded Software Engineer: Design, develop, optimise, and thoroughly test firmware and software for execution on bare-metal processors and embedded Linux/RTOS platforms Lead … a cross-functional team of hardware and software engineers to define the requirements and lead the software development life cycle Requirements: Proven experience in leading firmware development for bare-metal and Linux/RTOS-based systems, with high proficiency in high-performance C/C++. Extensive knowledge of various communication protocols (e.g., TCP/UDP, SPI/I2C More ❯

Senior Embedded Software Engineer | £60-70k | St. Ives If you want to develop yourself from a Senior to a Lead engineer with a leading company developing extremely precise systems. This is the role for you. Platform Recruitment is partnered with a global leader in extremely responsive control software for industrial automation, looking for … a Senior Embedded Software Engineer. You’ll be responsible for developing firmware & software, leading the software development team, and innovating the next generation of concepts. Responsibilities as an Embedded Software Engineer: Design, develop, optimise, and thoroughly test firmware and software for execution on bare-metal processors and embedded Linux/RTOS platforms Lead … a cross-functional team of hardware and software engineers to define the requirements and lead the software development life cycle Requirements: Proven experience in leading firmware development for bare-metal and Linux/RTOS-based systems, with high proficiency in high-performance C/C++. Extensive knowledge of various communication protocols (e.g., TCP/UDP, SPI/I2C More ❯

Senior/Lead Embedded Software Engineer | £60-70k | St. Ives If you want to develop yourself from a Senior to a Lead engineer with a leading company developing extremely precise systems. This is the role for you. Platform Recruitment is partnered with a global leader in extremely responsive control software for industrial automation … looking for a Senior Embedded Software Engineer. Youll be responsible for developing firmware & software, leading the software development team, and innovating the next generation of concepts. Responsibilities as an Embedded Software Engineer: Design, develop, optimise, and thoroughly test firmware and software for execution on bare-metal processors and embedded Linux/RTOS platforms … Lead a cross-functional team of hardware and software engineers to define the requirements and lead the software development life cycle Requirements: Proven experience in leading firmware development for bare-metal and Linux/RTOS-based systems, with high proficiency in high-performance C/C++. Extensive knowledge of various communication protocols (e.g., TCP/UDP, SPI/ More ❯

Senior Developer/Senior Software Engineer/Senior .NET Developer C#, (.NET 8.0+), Azure, SQL, Cosmos, React, TypeScript Remote – Work from home With monthly travel to London or Ipswich Around £65,000 - £75,000 p.a. Plus 25 days holiday “You will be working with a highly motivated group of intelligent, enthusiastic, adaptable team players who … have a shared vision to deliver world class software with great usability and performance.” Well that says it all doesn’t it, no need for me to rattle on anymore! I assume you’ve applied by now but just in case... We’re looking for a Senior Software Engineer with strong .NET skills and experience to More ❯

Senior Software Engineer | Oxford | £60,000 - £75,000 Our client is looking for a Senior Software Engineer to help develop the backend control software for their next-generation computing systems. The ideal candidate is an experienced backend developer with a solid foundation in building reliable, scalable applications for scientific or technical environments. In … for designing, implementing, and supporting backend services and control infrastructure. The Role: +Design, develop, and deploy reliable, maintainable, and scalable backend services and frameworks that support complex hardware and software systems. +Collaborate with cross-disciplinary teams, such as researchers, hardware engineers, and other technical specialists, to solve challenging problems and deliver high-quality software solutions. +Enable teams from … diverse backgrounds by helping them build the tools they need and by sharing best practices in engineering and software development. +Mentor and support junior engineers, contributing to their professional growth and strengthening the teams overall technical capabilities. Key Skills and Experience: +Bachelors degree in Computer Science, Engineering, Mathematics, or a related discipline, along with at least 5 years of More ❯

Senior Software Engineer Oxford £60,000 - £75,000 Our client is looking for a Senior Software Engineer to help develop the backend control software for their next-generation computing systems. The ideal candidate is an experienced backend developer with a solid foundation in building reliable, scalable applications for scientific or technical environments click More ❯

Senior Software Engineer Nottingham office 1-2 times per month Salary £45-65k C#/.Net/SQL/Azure About Us: We are a forward-thinking and innovative financial services company committed to providing exceptional solutions to our clients. With a focus on integrity and excellence, we continuously strive to push the boundaries of what … s possible in our industry. Join our dynamic team and be part of a culture that values collaboration, creativity, and continuous learning. Role Overview: As a Senior Software Engineer, you will play a key role in the design, development, and maintenance of our software applications. Working closely with cross-functional teams, you will have the opportunity … to contribute to the entire software development lifecycle, from concept to deployment. This is an exciting opportunity for a talented individual who thrives in a fast-paced environment and is passionate about delivering high-quality solutions Key Responsibilities: Lead the design and implementation of software solutions, ensuring scalability, reliability, and performance. Collaborate with product managers, designers, and other More ❯

Soda - creators of the Soda Core - are looking for a Senior Software Engineer (Data and Backend) to help improve our Open Source and Cloud products. We're moving in an exciting new direction, and we need your help. If you're a software engineer who thrives on tackling large-scale challenges and wants to build … Data Engineering, Data Governance, and business use cases. Our open-source project, Soda Core, is already used by companies like Tesla, Slack, Adyen, Walmart, and JPMC. Soda commercializes its software through the Soda Cloud product. We're well-funded, with investors like Point 9 Capital, Hummingbird, Singular, and Eurazeo. About the Role We are looking for a Senior Software Engineer (Data & Backend) to join our distributed engineering team. You will design, build, and operate the backend and data systems that power both Soda Cloud and Soda Core. You will work in an environment that combines Java-based backend components with Python-based data engineering tooling. As one of your first projects, you will improve how More ❯

Senior Software Engineer | Bristol | £60,000-£70,000 | Python | Rust Location: Bristol (hybrid) Salary: £60,000 - £70,000 + benefits Tech Stack: Backend: Python & Rust Frontend: Varied depending on product Cloud Systems: AWS or Azure or GCP Are you a Senior Software Engineer who wants to build technology that makes a difference We are … working with a software engineering organisation building modern applications that rely on strong fundamentals and thoughtful design. They work across multiple platforms and languages and need someone who enjoys solving non trivial engineering problems with a clear head and methodical approach. The work covers a mix of new feature development, improvements to existing systems and contributing to shared components … several teams. Responsibilities: Building and refining product features with a focus on clarity, usability and reliable performance Investigating complex issues, including concurrency challenges and memory related faults Writing maintainable software across multiple environments and languages Designing and implementing core components that support broader product functionality Developing libraries and APIs used across different engineering groups Creating and maintaining test plans More ❯

Senior Software Engineer | Bristol | £60,000-£70,000 | Python | Rust Location: Bristol (hybrid) Salary: £60,000 - £70,000 + benefits Tech Stack: Backend: Python & Rust Frontend: Varied depending on product Cloud Systems: AWS or Azure or GCP Are you a Senior Software Engineer who wants to build technology that makes a difference? We are … working with a software engineering organisation building modern applications that rely on strong fundamentals and thoughtful design. They work across multiple platforms and languages and need someone who enjoys solving non trivial engineering problems with a clear head and methodical approach. The work covers a mix of new feature development, improvements to existing systems and contributing to shared components … several teams. Responsibilities: Building and refining product features with a focus on clarity, usability and reliable performance Investigating complex issues, including concurrency challenges and memory related faults Writing maintainable software across multiple environments and languages Designing and implementing core components that support broader product functionality Developing libraries and APIs used across different engineering groups Creating and maintaining test plans More ❯

Senior Software Engineer Bristol 60,000- 70,000 Python Rust Location: Bristol (hybrid) Salary: 60,000 - 70,000 + benefits Tech Stack: Backend: Python & Rust Frontend: Varied depending on product Cloud Systems: AWS or Azure or GCP Are you a Senior Software Engineer who wants to build technology that makes a difference? We are … working with a software engineering organisation building modern applications that rely on strong fundamentals and thoughtful design. They work across multiple platforms and languages and need someone who enjoys solving non trivial engineering problems with a clear head and methodical approach. The work covers a mix of new feature development, improvements to existing systems and contributing to shared components … several teams. Responsibilities: Building and refining product features with a focus on clarity, usability and reliable performance Investigating complex issues, including concurrency challenges and memory related faults Writing maintainable software across multiple environments and languages Designing and implementing core components that support broader product functionality Developing libraries and APIs used across different engineering groups Creating and maintaining test plans More ❯

Senior Software Engineer required by a high-tech company located in Fareham. Due to continued success they are looking to grow their software team developing products for Android platforms. The successful Senior Software Engineer is likely to have a degree in Computer Science or similar subject and commercial experience developing Android applications using More ❯

Senior Software Engineer (ColdFusion and Oracle) Salary: Circa £50,000 per annum (Depending on Experience) Job Type: Full-Time, 37.5 hours, Permanent Location: IB (International Baccalaureate) Global Centre, Cardiff Hybrid working opportunity (office presence required once every 1-2 weeks - Thursdays) About the Job We are looking for a Senior Software Engineer (ColdFusion/… Oracle) to oversee an offshore software engineering team to work on critical changes and maintenance of existing systems. The role will primarily sit within a Scrum team in our wider IT Service Function, building and supporting new systems to be used by our IB stakeholders. This role requires a clear understanding and hands-on experience of Coldfusion with an More ❯

Senior Software Engineer required by a high-tech company located in Fareham. Due to continued success they are looking to grow their software team developing products for Android platforms. The successful Senior Software Engineer is likely to have a degree in Computer Science or similar subject and commercial experience developing Android applications using More ❯

Senior Software Engineer - Hybrid - Salary £70K (DOE) We're currently working with a growing SaaS company based in Oxfordshire that have an exciting job opening for a Senior Software Engineer skilled with C# .NET, Angular, and SQL. You will be guiding architectural decisions, ensuring the development of scalable, maintainable, and high-performance solutions using More ❯

Are you a Senior Software Engineer looking for an interesting job opportunity? Our client, TKMS ATLAS UK, are seeking a Senior Software Engineer with skills in Java to work on the development of marine-based autonomous systems. This job will be based out of TKMS ATLAS UK's headquarters in Winfrith, Dorset. This position …/4 days onsite per week. The successful candidate must be able to achieve full SC level Security Clearance. Required Knowledge, skills and qualities • Proven ability to support software delivery • Educated to Degree or equivalent level in a software engineering or related discipline • Understanding of Autonomous systems, and their architectures • Understanding of the Military and Marine domain • Knowledge … and understanding of Software Engineering & delivery lifecycles, and integration with project management principles and practise • Experience of Software Engineering processes and tools • Ability to work in multi-disciplinary teams, across the whole engineering lifecycle, from inception to support • Ability to work closely with end users to understand usage of software, and identify together where improvements can be More ❯