76 to 100 of 573 Senior Software Engineer Jobs in the UK

Senior Software Engineer (C++/Core Java) Who We Are: We are a fast growing business and technology consultant company co-founded in 2019. We offer a custom-tailored, white-glove engineering service fit for our clients, because a digital transformation is more than just technology. With a successful track record of being a preferred vendor for … industry's leading companies, our global talent has helped many clients achieve their goals. The 3 G's of RE: "Get Shit Done." "Get Over Shit." "Give a Shit." Senior Software Engineer (C++/Core Java) We are seeking a Senior Software Engineer to play a key role in the modernization of a large More ❯

Senior Software Engineer - Global Financial Technology Firm Location: Belfast (Hybrid working) Job Type: Permanent Full-Time Posted by: VANRATH VANRATH is delighted to be recruiting on behalf of a global market infrastructure and trading technology firm for the position of Senior Software Engineer . This role offers an exciting opportunity to work within a … collaborative Agile engineering environment, delivering high-impact, business-critical software solutions for both internal and external stakeholders across global financial and commodities markets. This is an ideal position for an experienced engineer with strong proficiency in C# or Java, a passion for quality and testing, and a desire to be part of a modern, forward-thinking development culture. … The Opportunity As a Senior Engineer, you will join a high-performing technology division within a multinational organisation that powers price discovery, liquidity access, and data distribution across 60+ global offices. Working as part of a cross-functional, self-organising Agile team, you will contribute to the design and delivery of innovative solutions, applying best practices in CI More ❯

Senior Software Developer An exciting opportunity awaits a Senior Software Engineer to join a well-established design consultancy specializing in advanced signal and image processing technology. We are looking for an experienced professional to bring both expertise and innovative solutions to highly complex, cutting-edge projects. You will be at the forefront of product development … mentoring junior engineers, and collaborating closely with multidisciplinary teams to push the boundaries of software and embedded systems. With access to continuous learning opportunities and collaboration with industry leaders, this role is perfect for a senior engineer who thrives in a challenging, forward-thinking environment. Key Qualifications : 5+ years of experience in software development, with an … lead and mentor junior engineers Benefits : Competitive salary commensurate with experience 25 days of paid leave plus public holidays 10% pension contribution Comprehensive life insurance and income protection Position : Senior Software Developer – Signal/Image Processing Location : Surrey Apply : Send your CV to kristian AT enterpriserecruitment DOT com More ❯

Business Title IT Dev Senior (Software Engineer) - Contractor Apply locations: Remote Europe - PayByPhone Time type: Full time Posted on: Posted 4 Days Ago Job requisition id: R06066 Your role What you'll be doing What We Need Corpay is currently looking to hire a Business Title IT Dev Senior (Software Engineer) - Contractor. In this … you will work within Corpay's technology function to deliver effective support to both external clients/suppliers and colleagues across all applications. You will be responsible for investigating software issues raised by clients, identifying the appropriate solution, and prioritizing against the client's business requirements, planned future development, and available resources. How We Work Working as a Business … Title IT Dev Senior (Software Engineer) - Contractor, Corpay will set you up for success by providing: Company-issued equipment + remote access Formal, hands-on training Role Responsibilities The responsibilities of the role will include: Investigating verified application issues within defined timelines depending on the priority of the issues. Identifying resolutions whilst ensuring the integrity of the 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 with a demonstrable background of delivering complex projects from a concept through to delivery. It is important that you have been involved in the entire software development life cycle (SDLC), as this dynamic role will require you to rapidly prototype - and ultimately move into production - highly complex, reliable and performant systems - oftentimes from scratch. Role : Develop ultra-low … latency exchange connectivity layers using reliable C++ code Work closely with a close-knit team of Software Developers and Quant Traders Build mission-critical research systems from scratch This is an early-stage hire for the team. Much of your work will be completely greenfield. You will be involved in the designing, prototyping, testing and productionising new software. Providing More ❯

Senior Software Engineer - Identity and Access Management (f/m/d) Join Contentful as a Senior Software Engineer and take a central role in enhancing our Identity and Access Management ( IAM ) capabilities. Our platform serves billions of requests daily, with customers trusting us with their content-making scalability and security equally crucial. We … our ways of working and our development processes as well as our domain and its components. What you need to be successful? Professional Experience : Proven track record as a Senior Software Engineer in product development, with demonstrated success in building high-traffic APIs and services. Technical Expertise : Strong proficiency in Ruby, TypeScript/Node.js, relational databases ( MySQL More ❯

This is a rare opportunity for an experienced Senior Software Engineer with skills in C++ and Rust , to join a historic British icon at the forefront of engineering. The Role Ideally with a background in aerodynamics, data science, vehicle dynamics, or computer simulations, the Senior Software Engineer will work closely with design engineers, mechanical … engineers, and other technical users to gather and understand requirements. The role involves designing, developing, and maintaining software and computational tools, including applications across web and desktop platforms such as simulations, real-time data processing, and bespoke analysis tools. Benefits include: Bonus scheme up to 12% Enhanced pension Health insurance Death in service What Experience do I need? Strong … and agility is preferred Experience in engineering or other technical environments is a plus I want to do that! If you have questions or would like to discuss this Senior Software Engineer position, please call or email me-I'd love to hear from you! If you're interested in applying, please do so now. Corriculo Ltd More ❯

Social network you want to login/join with: Senior Software Engineer (Content Delivery & Security), London col-narrow-left Client: bunny.net Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 3384ef32c222 Job Views: 7 Posted: 22.06.2025 Expiry Date: 06.08.2025 col-wide Job Description: We are on a mission to … take pride in their work, and aren't afraid to challenge what's possible. Because everyone deserves a better internet. And we're here to help it hop faster. Senior Software Engineer ( Content Delivery & Security) Our stack handles millions of requests per second across 119+ PoPs on six continents. Your job? Making it faster, safer, and more … efficient. As a Senior Software Engineer on our Content Delivery & Security team, you'll work on core CDN and DNS systems while helping build out our greenfield Shield product, focused on WAF, DDoS mitigation, and bot protection at a global scale. You'll design and optimize low-level systems that accelerate clean traffic and stop attacks in More ❯

Senior Software Engineer (C#, SQL) Incident Support Team Up to £70,000 + Generous On-Call Allowance Remote-First | UK-Based | Full-Time | Permanent Are you a hands-on software engineer with a knack for solving complex problems and a passion for system reliability? Were looking for a Senior Software Engineer (Incident … within SLAs, be contactable by phone, and be able to access your work laptop within 30 minutes. What Youll Bring Strong experience in incident management and technical support alongside software delivery. Solid knowledge of C#, SQL, JavaScript, and React. A proactive mindset with the ability to triage and troubleshoot real-time issues. Strong understanding of Agile delivery, DevOps culture More ❯

Senior Software Engineer (Java) Exciting Bristol SaaS Business | £3M Funding | Cloud Native £60,000 - £65,000 Hybrid working - 2 days per week (flexible) SR2 have exclusively partnered with a Bristol based SaaS business, who after some recent success of securing multi-million pound funding and partnering with a new US based Hedge Fund customer are expanding their … engineering team. It truly couldn't be a better time to join this business! We think this just might be one of the hottest opportunities for a Java Software Engineer in the Bristol market right now, one of the main reasons being... this team are working with 5+ different cloud providers, they are even partnering up with the … team over at AWS to support them on some of the problems they are trying to solve. If you would class yourself as a software engineer with a deep passion for solving highly complex problems, and enjoy working on systems with high scalability you'd be very happy working in this team. This is a smaller sized, close More ❯

Senior Software Engineer (Java) Exciting Bristol SaaS Business 3M Funding Cloud Native 60,000 - 65,000 Hybrid working - 2 days per week (flexible) SR2 have exclusively partnered with a Bristol based SaaS business, who after some recent success of securing multi-million pound funding and partnering with a new US based Hedge Fund customer are expanding their … engineering team. It truly couldn't be a better time to join this business! We think this just might be one of the hottest opportunities for a Java Software Engineer in the Bristol market right now, one of the main reasons being this team are working with 5+ different cloud providers, they are even partnering up with the … team over at AWS to support them on some of the problems they are trying to solve. If you would class yourself as a software engineer with a deep passion for solving highly complex problems, and enjoy working on systems with high scalability you'd be very happy working in this team. This is a smaller sized, close More ❯

Senior Software Engineer Department: 480 - Software Engineering Employment Type: Permanent Location: Belfast Description Arqit is a global cybersecurity company delivering quantum-safe encryption to secure data and communications for enterprises, governments, and critical national infrastructure (CNI). Powered by its advanced symmetric key cryptography, Arqit offers scalable encryption that is resilient to quantum threats, ensuring robust … comprehensive proposition to identify and mitigate cyber risk exposure from both current and quantum threats. Our combined company now has a new opportunity for a self-motivated and enthusiastic Senior Software Engineer to join our friendly team based in Belfast. We can offer you fun and interesting work in both cloud and on-prem cybersecurity, and we … remote way of working and the challenge of being involved in an innovative and complex environment where no two days are the same. What you'll be doing Developing software for our Encryption Intelligence technology, working under the guidance of our software architects and other senior colleagues. Transforming architectural models into component designs ready to be incrementally More ❯

Professional Technical are currently recruiting for a Senior Embedded Software Engineer to join a world leading manufacturer in tailored control panels based in Newark. This opportunity provides a salary of up to £45,000, 25 days holidays plus bank holidays, a pension scheme, regular Monday to Friday office hours, career progression and so much more. The responsibilities … for the Senior Embedded software Engineer: Lead the design, development, and testing of software and firmware for electronic products Provide technical leadership in design, validation, and innovation, including IP creation Define, manage, and document software requirements, changes, and testing to professional standards Guide and mentor engineering teams, supporting project planning and execution Contribute to commercial … initiatives with the management team Troubleshoot issues, perform fault analysis, and support production engineering Assist in electrical testing and manage technical risks independently with minimal supervision Requirements for the Senior Embedded Software Engineer: Bachelor's or Master's in Computer, Electrical, or Electronic Engineering Experienced with embedded C development in electronics or manufacturing Strong grasp of modern More ❯

Senior Platform Software Engineer page is loaded Senior Platform Software Engineer Apply locations UK - Fareham time type Full time posted on Posted 20 Days Ago job requisition id REQ26631 Be visionary Teledyne Technologies Incorporated provides enabling technologies for industrial growth markets that require advanced technology and high reliability. These markets include aerospace and defense … products covering a wide range of technologies; including Radar, Sonar, Cameras, Chart Plotters and Instruments, destined for an array of markets including leisure, first responders and commercial. As a senior platform engineer, you would be at the forefront of developing new products and technologies. You will use your technical expertise and problem-solving abilities to create innovative solutions … drivers and dts files) for our cutting-edge products, ensuring optimal performance, reliability and efficiency. Building the Linux root file system and device drivers for various boards. Creating reliable software upgrade processes. Writing scripts and services to ensure the board starts up correctly. Designing and implementing low-level drivers, components and communication protocols for systems in a multi-threaded More ❯

C# Senior Software Engineer Our client is an established software company with over 20 years of experience delivering innovative digital platforms to a wide user base. They are looking for a Senior Software Developer to join a small, collaborative team working across the full Microsoft and Azure technology stack. This is a hands-on … chance to work on both legacy and greenfield systems, contribute to architectural decisions, and support the continuous improvement of development practices. Key responsibilities: Develop and maintain scalable, high-quality software using C#, .NET, and Azure Lead on coding tasks and contribute to system architecture Perform code reviews and mentor junior developers Collaborate across teams to deliver business-critical solutions … Provide second-line technical support as needed Essential experience: 5+ years in commercial software development Proficiency in C#, .NET, SQL Server, and JavaScript Experience with Azure services and DevOps tools Understanding of secure coding and software development best practices Desirable experience: Microservices, containers (Docker/Kubernetes) Front-end frameworks such as Vue.js Messaging systems (e.g. Service Bus, Kafka More ❯

C# Senior Software Engineer Our client is an established software company with over 20 years of experience delivering innovative digital platforms to a wide user base. They are looking for a Senior Software Developer to join a small, collaborative team working across the full Microsoft and Azure technology stack. This is a hands-on … chance to work on both legacy and greenfield systems, contribute to architectural decisions, and support the continuous improvement of development practices. Key responsibilities: Develop and maintain scalable, high-quality software using C#, .NET, and Azure Lead on coding tasks and contribute to system architecture Perform code reviews and mentor junior developers Collaborate across teams to deliver business-critical solutions … Provide second-line technical support as needed Essential experience: 5+ years in commercial software development Proficiency in C#, .NET, SQL Server, and JavaScript Experience with Azure services and DevOps tools Understanding of secure coding and software development best practices Desirable experience: Microservices, containers (Docker/Kubernetes) Front-end frameworks such as Vue.js Messaging systems (e.g. Service Bus, Kafka More ❯

C# Senior Software Engineer Our client is an established software company with over 20 years of experience delivering innovative digital platforms to a wide user base. They are looking for a Senior Software Developer to join a small, collaborative team working across the full Microsoft and Azure technology stack. This is a hands-on … chance to work on both legacy and greenfield systems, contribute to architectural decisions, and support the continuous improvement of development practices. Key responsibilities: Develop and maintain scalable, high-quality software using C#, .NET, and Azure Lead on coding tasks and contribute to system architecture Perform code reviews and mentor junior developers Collaborate across teams to deliver business-critical solutions … Provide second-line technical support as needed Essential experience: 5+ years in commercial software development Proficiency in C#, .NET, SQL Server, and JavaScript Experience with Azure services and DevOps tools Understanding of secure coding and software development best practices Desirable experience: Microservices, containers (Docker/Kubernetes) Front-end frameworks such as Vue.js Messaging systems (e.g. Service Bus, Kafka More ❯

Senior Software Engineer/Technical Lead (Go, AWS) Our growing client based in Manchester is currently looking for Senior Golang Software Engineers. Youll take ownership of core backend systems, lead by example across technical delivery, and support the growth of the engineering team. Expect a hands-on role with real influence over architecture, tooling, and … React) for full-stack feature delivery Mentoring engineers and supporting their development Driving engineering best practices and contributing to team rituals Key Skills and Experience: Commercial experience as a Senior Engineer or Technical Lead Deep understanding of Go and backend systems architecture Strong knowledge of AWS cloud services and DevOps principles Experience mentoring developers and leading small teams … AWS, microservices A supportive, inclusive company culture with a real focus on impact Flexible working - 1-2 days in the Manchester office per week. Interested? Please Click Apply Now!Senior Software Engineer/Technical Lead (Go, AWS More ❯

Senior Software Engineer/Technical Lead (Go, AWS) Our growing client based in Manchester is currently looking for Senior Golang Software Engineers. You'll take ownership of core backend systems, lead by example across technical delivery, and support the growth of the engineering team. Expect a hands-on role with real influence over architecture, tooling … React) for full-stack feature delivery Mentoring engineers and supporting their development Driving engineering best practices and contributing to team rituals Key Skills and Experience: Commercial experience as a Senior Engineer or Technical Lead Deep understanding of Go and backend systems architecture Strong knowledge of AWS cloud services and DevOps principles Experience mentoring developers and leading small teams … AWS, microservices A supportive, inclusive company culture with a real focus on impact Flexible working - 1-2 days in the Manchester office per week. Interested? Please Click Apply Now! Senior Software Engineer/Technical Lead (Go, AWS More ❯

Senior Software Engineer/Technical Lead (Go, AWS) Our growing client based in Manchester is currently looking for Senior Golang Software Engineers. You’ll take ownership of core backend systems, lead by example across technical delivery, and support the growth of the engineering team. Expect a hands-on role with real influence over architecture, tooling … React) for full-stack feature delivery Mentoring engineers and supporting their development Driving engineering best practices and contributing to team rituals Key Skills and Experience: Commercial experience as a Senior Engineer or Technical Lead Deep understanding of Go and backend systems architecture Strong knowledge of AWS cloud services and DevOps principles Experience mentoring developers and leading small teams … AWS, microservices A supportive, inclusive company culture with a real focus on impact Flexible working - 1-2 days in the Manchester office per week. Interested? Please Click Apply Now! Senior Software Engineer/Technical Lead (Go, AWS More ❯

Senior Software Engineer Who We Are : Veson Nautical is a well-established and rapidly growing software company working to provide end-to-end logistical, operational, and analytical solutions to propel the efficiency and effectiveness of Maritime Commerce. The Opportunity: As a Senior Software Engineer at Veson Nautical, you'll play a key role … driving them from design to rollout while leading and mentoring teams across various areas of the codebase. With our rapidly growing SaaS platform, you'll design, develop , and support software that powers maritime commerce, influencing solution design and quality throughout the entire development lifecycle. Our Stack: Our tech stack includes Python , Vue.js, and SQL databases, running in a hybrid … cloud environment (GCP and AWS). Skills/Experience Needed: 5+ years of experience as a software engineer Experience in developing complex backend services using an object-oriented programming language ( Python highly preferred) Solid understanding of SQL, with the ability to design and optimize queries, manage databases, and troubleshoot performance issue s Experience with RESTful or GraphQL API More ❯

A company at the forefront of developing intricate scientific systems is seeking a Senior Software Engineer to join their team. In this role, you’ll go beyond routine coding tasks and focus on developing complete solutions. You’ll work on everything from front-end interaction and data handling to integrating with specialized hardware components. Essentially, you’ll … be creating the software “nervous system” for cutting-edge imaging and inspection technology. You’ll operate within a close-knit, interdisciplinary group dedicated to continually enhancing the company’s core platforms. Key Responsibilities: Architectural Design: Consider the entire software stack—from how users engage with the application, through data analysis workflows, to the lower-level connections with sensors … and control units. Software Implementation: Develop robust, maintainable software primarily in Python, ensuring it easily interfaces with complex instrumentation while embracing test-driven development. Technical Innovation: Investigate and address challenging engineering issues, conceiving smart, high-performance solutions that expand the boundaries of what’s possible. Essential Qualifications & Experience: Professional Background: A minimum of five years’ experience as a More ❯

Title: Senior Software Engineer (Python) Department: Procode IT Location: Commuting distance of Chandlers Ford Salary: Circa £56,238 + discretionary 15% bonus scheme Are you an experienced Software Engineer with strong and up to date skills in Python, FastAPI and AWS? If so, this could be the position for you! About us We are a … dynamic software company. Established in 2006, with a vision of helping the energy and utilities sectors improve customer experience and lower their cost to serve, using smarter process automation. Are you curious about what the future in tech holds? Do you have the drive to want to deliver great solutions for customers? Then we have an exciting opportunity as … a Senior Software Engineer (Python), where we aim to provide you with a uniquely inclusive and diverse workplace, which showcases the extraordinary in all of us, by enabling you to be the best you can be. Our promise is to put customers at the heart of everything we do; its part of how we live and breathe More ❯

Title: Senior Software Engineer (C#) Department: Procode IT Location: Commutable distance of Chandlers Ford Salary: Circa £56,238 + 15% discretionary bonus scheme Are you an experienced Software Engineer with a strong track record in C#, .NET core & ASP.NET core? Do you enjoy guiding, mentoring and supporting others within a team? If so, then this … could be the role for you! About us We are a dynamic software company. Established in 2006, with a vision of helping the energy and utilities sectors improve customer experience and lower their cost to serve, using smarter process automation. Are you curious about what the future in tech holds? Do you have the drive to want to deliver … great solutions for customers? Then we have an exciting opportunity as a Senior Software Engineer (C#), where we aim to provide you with a uniquely inclusive and diverse workplace, which showcases the extraordinary in all of us, by enabling you to be the best you can be. Our promise is to put customers at the heart of More ❯

home working, or the ability to flex your start and finish times. Where possible, we support a working pattern that suits your lifestyle and helps you reach your ambitions. Senior Software Engineers - Templecombe Overview: Thales is a global leader in advanced technologies, concentrated on the safety and security of people and nations. Thales Integrated Airspace Solutions (IAS) provides … traffic management and air defense, combining radar, identification systems, and communications. Join us to shape the future of airspace security with Thales IAS. Thales is seeking talented and experienced Senior Software Engineers to join our team in Templecombe. In this role, you will have the opportunity to develop quality software across a range of projects, operating systems … and development environments. You will also provide support, leadership, and guidance to the wider team, ensuring that our software solutions meet customer needs and our high standards. Primary Purpose of the Role: As Senior Software Engineers, you will: Design, code, test, configure, and support fully integrated software solutions Work closely with Systems Engineers, Software Engineers More ❯