176 to 200 of 315 Senior Software Engineer Jobs in the UK

Senior Software Engineer Hayes, London Hybrid We are looking for a Senior Web Application Developer with 5+ years of experience in building and maintaining scalable, high-quality applications to join our growing tech team. As a senior member, you’ll play a key role … with various testing methodologies (e.g., unit, integration, end-to-end) and a commitment to writing well-tested code. A commitment to robust and reliable software delivery, including familiarity with practices like no-downtime deployments, proactive monitoring, and identifying potential risks. Proven ability to lead technical initiatives from concept ...

Senior Software Developer – Contract £450–£480/day (Inside IR35) | Hybrid (1x per month onsite) | SC Required or eligible | A leading public sector organisation is seeking a Senior Software Developer to join a high-performing team delivering modern digital services within a complex government environment. This … role is suited to an experienced engineer with strong backend and full-stack development capabilities, comfortable working across modern technologies and agile delivery teams. Key Responsibilities Develop and maintain scalable digital services and applications Work across backend and full-stack development activities using modern technologies Write clean, maintainable code ...

Senior Software Engineer — London, UK (Permanent) Hybrid role based in London with 3 days onsite per week, embedded within a high-profile global consumer brand's delivery team Requires 5+ years of full-stack software engineering experience with strong proficiency in at least two languages such ...

Fastest Growing Start-up in the UK | Defense | Senior Software Engineer | Rust We are partnered with one of the UK's fastest growing start-ups. They are a very technically focused group building cutting-edge decision making technology. The company's founding team has real pedigree, with … just over two years, and already have a lot of customers in the UK. On-site | London Up to 150,000 + Equity Senior/Principal Software Engineers: They're looking to add Senior/Principal Engineers to their team. The team are open to hiring pure ...

Senior Embedded Software Engineer Berkshire This role will be 5 days per week on-site. Position overview: Were looking for a Senior Embedded Software Developer to design, implement and optimise Kalman filterdriven navigation and sensor fusion algorithms on microcontrollers (ARM Cortex, ideally STM32). Youll … calibration, whilst being comfortable operating in tightly constrained, real-time environments where timing, performance and reliability are everything. Youll be the kind of engineer who enjoys getting hands-on at the lowest level, debugging with the right tools, squeezing performance out of ARM Cortex-M platforms (ideally STM32 ...

Senior Backend Engineer Location: London, Hybrid (2 Days Onsite) Salary: £90,000 - £105,000 + Competitive bonus We're working with a rapidly growing tech for good company that is transforming how data, automation, and smart integrations shape the future of digital infrastructure. Their platform optimises real-time … operations, connecting users with seamless, intelligent technology solutions. They are looking for a Senior Backend Engineer with deep expertise in JVM technologies to help scale and enhance their high-performance systems. There will be a requirement to use Kotlin moving forwards! This is an opportunity to work with ...

Title: Senior Software Engineer Location: Somerset Salary: up to £60,000 An opportunity has arisen for a Senior SoftwareEngineer to join a growing engineering team delivering software solutions used in industrial environments. You will develop and maintain desktop and web applications using C# ...

technology that delivers critical patient data, improves clinical outcomes, and helps create safer care environments—because lives depend on it. The Role As a Senior Software Engineer, you’ll help evolve our healthcare software portfolio, working on both AWS‐based cloud applications and business‐critical production … technical direction, collaborate closely with product and quality teams, and mentor engineers—raising standards across the team. Key Responsibilities Design and deliver scalable, secure software using C#/.NET Contribute to AWS‐hosted services and modernisation of legacy systems Influence architecture, cloud adoption, and engineering standards Write high‐quality ...

Your Company: NET Recruit are partnering with a technology business who are seeking a proactive Senior Software Engineer to join their busy Software Engineering team based in Bournemouth area. Your Role and Responsibilities While in this position your duties may include but are not limited … customer and technical proposals Liaising with the 3D rendering system supplier to ensure integrations and developments Proactively investigating and resolving issues with both software and hardware Handling the running of customer demonstrations as needed, alongside providing customer support such as help desk support when needed (in the place ...

best small-to-medium size businesses to work for, join us on our journey! Role Overview At VoCoVo, our software engineering teams develop our Software as a Service (SaaS) offerings that run on our cloud computing platform, and the software that runs on our large estate … hardware appliances 'on prem' at our customers' stores. As Senior Software Engineer, you will join a team focused on building the services and tools that facilitate the management of customer estates at scale, reducing the time and cost of installation and ongoing maintenance of 'on prem' equipment ...

Description Senior Embedded Linux Software Engineer | Hybrid | Cambridge | £60-70k DOE Are you a software engineer with experience developing embedded Linux software, with a focus on embedded security? My client is looking for a senior engineer. They operate a sophisticated … environment where you will manage multi-stack software environments, from bare-metal control systems to Linux-based network stacks. Resp... ZIPC1_UKTJ ...

Software Engineer (Mid and Senior Levels) One Big Circle – Bristol Full-Time 37.5 hours over 5 Days Salary: £36,000 - £70,000 depending on experience The software technology team at One Big Circle is expanding! We are looking for software engineers at all levels … encourage interest from applicants with partial or adjacent skills and backgrounds, to fill a number of different roles within each capability area. Device & Embedded Software Systems Embedded Linux, C++/Python, embedded systems, multi-sensor and camera-based devices (including thermal and line-scan), data acquisition and edge processing ...

Senior Software Engineer | Remote | £60,000 - £70,000 | C# | .Net | React | Azure | Microservices | .NetCore | .Net Developer | Full stack Developer | Opus have exclusively partnered with a brilliant Saas company that harness technology to build Software within the Proptech industry. They’re currently looking for a Senior Developer to come on board and work across greenfield projects and adding new functionality to existing systems. As a Senior Developer you will be part of a Development team of 5 where you will be building API’s and building full stack applications. On top of this ...

Senior Software Engineer | Remote | £60,000 - £70,000 | C# | .Net | React | Azure | Microservices | .NetCore | .Net Developer | Full stack Developer | Opus have exclusively partnered with a brilliant Saas company that harness technology to build Software within the Proptech industry. They’re currently looking for a Senior Developer to come on board and work across greenfield projects and adding new functionality to existing systems. As a Senior Developer you will be part of a Development team of 5 where you will be building API’s and building full stack applications. On top of this ...

Senior Software Engineer | Remote | £60,000 - £70,000 | C# | .Net | React | Azure | Microservices | .NetCore | .Net Developer | Full stack Developer | Opus have exclusively partnered with a brilliant Saas company that harness technology to build Software within the Proptech industry. They’re currently looking for a Senior Developer to come on board and work across greenfield projects and adding new functionality to existing systems. As a Senior Developer you will be part of a Development team of 5 where you will be building API’s and building full stack applications. On top of this ...

Senior Software Engineer | Remote | £60,000 - £70,000 | C# | .Net | React | Azure | Microservices | .NetCore | .Net Developer | Full stack Developer | Opus have exclusively partnered with a brilliant Saas company that harness technology to build Software within the Proptech industry. They’re currently looking for a Senior Developer to come on board and work across greenfield projects and adding new functionality to existing systems. As a Senior Developer you will be part of a Development team of 5 where you will be building API’s and building full stack applications. On top of this ...

Senior Software Engineer | Remote | £60,000 - £70,000 | C# | .Net | React | Azure | Microservices | .NetCore | .Net Developer | Full stack Developer | Opus have exclusively partnered with a brilliant Saas company that harness technology to build Software within the Proptech industry. They’re currently looking for a Senior Developer to come on board and work across greenfield projects and adding new functionality to existing systems. As a Senior Developer you will be part of a Development team of 5 where you will be building API’s and building full stack applications. On top of this ...

excellent opportunity to join one of the UK's leading software consultancie s , renowned for its strong presence in the public sector while also delivering private and SC-cleared projects. As a Senior Software Engineer, you will look to design, build, and deliver high-quality software … architecture, mentor junior engineers, and collaborate with cross-functional teams across public and private sector programmes. Key responsibilities include: * Designing and developing scalable, secure software solutions * Contributing to architectural decisions and technical direction * Mentoring junior engineers and promoting best practices * Working closely with Product, UX, DevOps, and QA teams ...

C++ Senior Software Engineer required with Microsoft Visual C++ or MSVC experience ideally with OpenGL or other rich GUI knowledge required to join a large team. You will work towards the ownership of a design from requirement specification through to verified software including extensive test … relevant subject. Responsibilities Design and develop highly responsive, rich and real time graphical user interfaces. Specify, design, implement, testing and maintain of software using C, C++ and associated technologies. ...

Senior C++ Software Developer Are you a Senior C++ Software Developer with a passion for mentoring and supporting other developers? Do you enjoy working on meaningful software used across public and commercial organisations? If so, this could be the role for you. Location Milton Keynes … people, providing the tools, knowledge, and environment needed to thrive, while prioritising wellbeing and individuality. About the organisation This is a well-established UK software and technology provider delivering communication and document distribution solutions into both the public and commercial sectors. Its platforms support organisations that serve patients, citizens ...

will support new insight into how teachers develop, improve and thrive across their careers. About the role We are seeking a motivated and enthusiastic Senior Software Engineer to join our TED team and play an important role in building and maintaining the technical infrastructure that supports TED. … Working at the intersection of software engineering, data and research, the postholder will help develop secure, reliable and scalable systems that enable robust analysis and contribute to high-quality, evidence-informed improvement across the sector. Corporate responsibilities To ensure that the responsibilities of the role are carried ...

Purpose of the Position As a Senior Software Engineer, you will be part of a cross-functional, service-oriented team, working on extending and maintaining our Affiliate Marketing platform. You design and build reliable services by writing clean, secure, and well-tested code, following modern engineering best … evolve over time, offering opportunities to gain deeper knowledge and experience within the online and affiliate marketing domain. Skills & Expertise 6+ years of professional software engineering experience Strong foundation in OOP and comfort working with multiple programming languages, ideally incl. Java/Spring Passion for clean, maintainable code with ...

hiring a Senior Software Engineer to lead end-to-end feature development and architectural design. This role is built for a technical leader who prioritizes high-impact delivery over routine maintenance. Tech Stack Backend: Python, FastAPI, Ruby on Rails Frontend: React.js, Next. xxuwjjq js, React Native Cloud ...

Senior Software Engineer - Geospatial Data (Contract) Location: Farnborough (3 days per week onsite) Contract Length: Initial 3-month contract IR35 Status: Outside IR35 Security Clearance: All candidates must be eligible for security clearance prior to appointment click apply for full job details ...

opportunity has arisen for a Software Engineer to work on highly impactful projects in the Cyber and Intelligence space. The team works on a range of solutions across AI, ML, DevSecOps and Geospatial Intelligence and embraces the latest technologies in order to deliver secure, mission critical systems … innovation while enabling you to develop your skills on projects that make a meaningful impact on UK Security. Skills This role would suit a Software Engineer that thrives in a team environment and has an interest in new tech and trends. Full stack experience will be sought ...