401 to 425 of 1,302 Senior Software Engineer Jobs in the UK

than ever before. Location: Oxford, England, UK Working pattern: Hybrid, two days per week on site (minimum) The Role We are looking for a Senior Software Engineer to join our Transport Software team at IonQ, based in our Oxford office. In this role you will work … with physicists to develop ion trap control software, guiding the trajectories of hundreds to thousands of ions in parallel using electromagnetic fields. This will directly contribute to the team's mission of scaling the computational capacity of our trapped‐ion quantum computers. This role will play a central role ...

Delta is seeking a Senior Software Engineer to join the Power Trading software team, working on real-time data systems across Europe. You will design, implement and maintain applications in a C#/.NET stack, deploy on Azure, and contribute to scalable architectures while embracing … will collaborate in an Agile environment, ensure code quality, and participate in CI/CD pipelines, cloud operations, and feature delivery across the full software lifecycle. #J-18808-Ljbffr ...

Perkbox, Sweatcoin, Coinbase, and Globetopper rely on Runa to facilitate instant, flexible global payouts to tens of millions of consumers. The Role As a Senior Software Engineer, you will be responsible for architecting, implementing and deploying software services from end to end. You’ll produce clean … help scale the team by leading on technical interviews. Being a subject matter expert on technology and domain-specific problems, and taking ownership of software services from end to end. Improving responsiveness and overall performance of our web services. What Excites Us Around 5+ years of Software Engineering ...

computer. A key part of that mission is Deltakit, our open‐source, user‐facing platform for building, simulating and interpreting QEC experiments. As a Senior Software Engineer, you will own and lead the development of Deltakit, shaping its direction and ensuring it evolves to meet the needs … growing and highly technical user community. What you will do Lead significant parts of both the internal and external software stack for error‐corrected quantum computing systems Turn internal tools into external and public ones; own the complete software cycle process: design, development, testing, builds, workflows, releases Mentor ...

Senior Software Engineer - eDV Cleared Location: Worcestershire Clearance: eDV Salary: Up to £80,000 + Clearance bonus To apply, email ...

519184Location: Poole, Dorset, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELANDCompany: SiemensSenior Software EngineerJob ID519184Posted since09-Sep-2026OrganizationMobilityField of workResearch & DevelopmentCompanySiemens Mobility LimitedExperience levelExperienced ProfessionalJob typeFull-timeWork modeOffice/Site onlyEmployment typePermanentLocation(s)Poole - Dorset - United KingdomAt Siemens Mobility, we are not just imagining the future of transportation … what's possible. If you are ready to be part of a transformative journey, come and join us.We are currently recruiting for a Senior Software Engineer to join our Development team within the Rail Infrastructure, Mobile Communications business based in Poole. This role will be responsible ...

Senior Software Engineer II, you operate with a wide sphere of influence. You will own complex, highly ambiguous technical challenges end-to-end, handling unexpected hurdles independently and gracefully. Your role goes beyond individual team delivery; you will drive systemic, organizational change and shape the long-term … actively drive our engineering and company principles by aligning with our broader codebase, architecture, objectives, and goals, while acting as a crucial link between senior leadership, external stakeholders, and engineering teams. What You’ll Do Technical Leadership Design & Build: Create solutions to highly complex problems, utilising a deep understanding ...

hiring a Full Stack .NET based AWS Senior Software Engineer Being able to work independently with minimal guidance, the ideal candidate will have strong business acumen, broad technical skills, and experience managing enterprise development and integration projects. The successful candidate will have a strong understanding of advanced … across teams, ensuring the success for the modernization of ADP products. WHAT YOU'LL DO: Provide technical guidance and mentorship to a team of software engineers, fostering a culture of continuous improvement and innovation. Be a catalyst for strong agile behaviors – working alongside the scrum master to enable engineers ...

Accertify is hiring a Senior Software Engineer to design, develop, and enhance scalable software for server-side and Android platforms. You will work with Java, JavaScript, HTML5, CSS, SQL, Linux, Git, and Gradle, collaborating with stakeholders and leadership through the full software lifecycle. The ideal ...

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. ...

Marsh are looking for an experienced Senior Software Engineer who is ready to make an immediate impact. This is a hands‐on role for someone who can hit the ground running, work independently, and contribute to the design, development, and support of scalable applications. The successful candidate … will bring strong expertise in TypeScript, JavaScript, and Angular, along with a genuine interest in how AI can be applied to improve software delivery and business outcomes. This role sits within a collaborative technology team focused on building modern, scalable software solutions that support Marsh’s evolving digital ...

Capital One UK is seeking a Senior Software Engineer to design, develop, test, and maintain software products that automate core business processes. You will collaborate with Business, Technology and Operations teams to deliver high-impact solutions. The role uses Java (Gradle), TypeScript, Python, AWS, Docker ...

transportation and thrive in a team-focused atmosphere, we invite you to apply and contribute to our vision of a more connected world. Role Senior Software Engineer – You will join our dynamic team to work on cutting-edge technologies and solutions transforming the public transportation industry. … will play a vital role in driving innovation and developing mission-critical software solutions that enable efficient public transportation systems. You will collaborate with a diverse team of platform experts and hardware specialists to design and implement robust and scalable software applications. Responsibilities Design, develop, test, and maintain ...

looking for a Senior Software Engineer C#. This is a hands‐on leadership role: you'll own major platform components, set technical direction, and drive the delivery of secure, scalable software on a multi-INT data fusion platform supporting next‐generation sovereign capability. You'll stay … spikes to de‐risk delivery Mentor engineers and champion secure development and engineering standards What We’re Looking For 3 to 5+ years' professional software development, with strong C#/.NET and ASP.NET Core Experience building RESTful APIs, distributed systems, or service‐based architectures Modern frontend experience with React ...

Senior Software Engineer - Python/MongoDB Canonical London Licensed sponsor London On-Site Likely to sponsor About the role We're enabling high-performing, rock-solid MongoDB deployments on any cloud or platform our customers choose. We want to create the world's best open source analog … significant impact on the product and the broader ecosystem. Who you are You love technology and working with brilliant people. You are an accomplished senior Python programmer that enjoys challenging projects in mission-critical environments. You have experience operating and managing MongoDB clusters. You are experienced with modern infrastructure ...

looking for a Senior Software Engineer to join our global team to be responsible for the quality, development, and execution of our software products. You will be part of a technology department that is comprised of a successful and multidisciplinary group of professionals located across … tests/collaborate with automation engineers to ensure business needs are met, and allow for regression testing Work closely with users to provide personalized software support as needed Stay updated on emerging technologies and industry trends to continuously improve our backend infrastructure Document application support and operational procedures Mentor ...

ready to shape the future of technology and be at the forefront of innovation? Join our dynamic team as a Full Stack Software Engineer, where you’ll design, develop, and maintain scalable software solutions in a collaborative and creative environment. This is your chance to work with … cutting-edge technology, grow your skills, and drive impactful innovation. Your Team Our software teams are passionate about pushing boundaries and delivering excellence. You’ll work in a Scrum Team: product managers, UX designers, and developers and testers in a culture that encourages collaboration, creativity, and continuous improvement. Together ...

Senior Software Engineer (Full Stack) | Remote (UK based) | Permanent We're partnering with a fast-growing technology company that is building AI-powered products. Following significant growth, they're expanding multiple product engineering squads and looking for experienced Full Stack Engineers to help build the next generation ...

Senior Software Engineer -Python/Infrastructure About the role You'll be building the Python services behind our smart meter platform: the ingestion path that handles MQTT traffic from thousands of deployed devices, the APIs that expose that data, and the internal services that keep ...

C#/.NET | Desktop Applications | Cloud | Software Modernisation3 days per week onsiteThe OpportunityWe are looking for experienced Software Engineers and Senior Software Engineers to join a highly technical product engineering team developing and modernising complex, high-performance software applications.This is a hands-on individual contributor … position. You will spend the majority of your time designing, developing and improving production software, while contributing to technical decisions, code reviews and architectural discussions.You will work closely with the Team Lead and Product Owner to turn complex requirements into reliable, scalable and maintainable software.This opportunity would suit ...

Delta is recruiting a Senior Software Engineer to join our Power Trading software team. You will design, build and evolve real-time client-facing applications handling large datasets, while shaping scalable architecture across a C#/.NET stack hosted on Microsoft Azure. You will work across ...

Senior Software Engineer (Full-Stack) Department: Engineering Employment Type: Full Time Location: London Description Hybrid: 2 days per week in our Tower Bridge office (Tuesdays and Thursdays) Uswitch At Uswitch, our goal is to be the UK’s favourite way to choose and manage home-life essentials ...

What Makes Cloudbeds Unique At Cloudbeds, we're not just building software, we’re transforming hospitality. Our intelligently designed platform powers properties across 150 countries, processing billions in bookings annually. From independent properties to hotel groups, we help hoteliers transform operations and uplevel their commercial strategy through a unified … Fast 500 again in 2024, but we're just getting started. Locatio n: Remote in Europe How You'll Make an Impact As a Senior Software Engineer on the POS team, you'll work directly across the core POS codebase: the React Native and Expo application ...

Join Almac Central Services as a Senior Software Engineer and help design, build, and evolve the platforms that power our business. You'll take ownership of end-to-end delivery - turning complex requirements into elegant, resilient software - while shaping standards and architecture for systems that must … correctness, and maintainability - and you enjoy mentoring others - this role is for you. Key responsibilities include Lead the design, development, and delivery of robust software solutions. Ensure architectural alignment, scalability, and high availability. Review code and designs for quality and compliance. Collaborate with infrastructure and data teams to maintain ...

leading recruitment firm is seeking a Senior Software Engineer to join their team in Portsmouth. This full-time, office-based role involves building new features, maintaining legacy systems, and collaborating directly with the CTO. Ideal candidates will have 7+ years of software engineering experience, a degree … Software Engineering, and proficiency with technologies such as Node.js, PHP, and various databases. The company offers a dynamic work environment focused on quality and precision. #J-18808-Ljbffr ...