476 to 500 of 976 Senior Software Engineer Jobs in the UK

Senior Software Engineer - London - £120k Please note - this role will require you to work from the London based office three days per week. You must have the unrestricted right to work in the UK to be eligible for this role - this organisation is not able to offer sponsorship. Are you passionate about building cutting-edge technology solutions … building out our new front-end analytics platform, delivering intuitive, high-performance tools that empower users with real-time insights and advanced visualization capabilities. Collaborate with commercial teams to engineer and optimize processes and analytical models. Build and maintain Python-based services and APIs using modern frameworks and best practices. Develop solutions for data modeling, market analysis, and position More ❯

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. You'll bring a genuine enthusiasm for discovering … and applying new software engineering techniques. As part of a wider network of peers, you'll collaborate and learn from others. With your experience, you'll set the standard, introduce innovative ways of working, and identify new priorities. Whether leading and mentoring a team or acting as the technical expert within a high performing group, you'll apply your More ❯

We have an exciting opportunity for a Senior Software Engineer (C#) to join our Product & Tech team on a full-time, permanent basis. If you're a self-starter with a keen interest in software development and enjoy collaborating in a team setting, we want to hear from you. About the role This is a pivotal … scalable user experiences that simplify healthcare and improve lives. Our platform serves thousands of users, and your work will directly impact their experience. At HealthHero, developers own the entire software development lifecycle — from refining business requirements to design, development, deployment, monitoring, and continuous support. This end-to-end ownership empowers our engineers to contribute meaningfully to the business and … also mentor team members and grow both your technical and leadership skills. Day to day, your responsibilities will include but not be limited to: Deliver efficient, stable and scalable software systems Work closely with Technical Leads and Product Owners to deliver business value Design, develop and maintain complex applications and services using C# and the .NET ecosystem Participate in More ❯

Senior Software Engineer - Unified Client Experience (UCX) Building and deploying scalable, secure, and compliant software at pace. Integrating HL web and mobile apps with existing and new systems to deliver a seamless client experience across a range of products and services. Delivering value iteratively, always focused on customer outcomes and short feedback loops. Creating and visualising … align engineering outcomes with HL's mission and client value. Championing a culture of continuous learning, cross-functional collaboration, and inclusivity with a growth mindset. 5-8 years of software development experience within large-scale, regulated environments - ideally in Investment, Asset or Wealth Management. Solid experience in building and deploying frontend applications in React or React Native with hands More ❯

.If you’re looking for a company that invests in its people , offers career progression , and provides exceptional benefits , this is the opportunity for you.We are looking for a Senior Software Engineer to join thriving organisation who specialise in Communications and Electronic devices for Maritime and Land based defense products. Your Responsibilities Design, develop, and review software for systems ranging from small embedded processors to complex multi-processor networks. Collaborate with hardware and systems engineers on integrated software solutions. Deliver across all phases of the software lifecycle: requirements, design, implementation, integration, and testing. Produce high-quality technical documentation. Provide input on design suitability and participate in design reviews. Support R&D initiatives to improve … quality, efficiency, and cost effectiveness. Contribute to proposals and business development when required. Experience & Skills Strong software development experience in C, C++, C# or Java . Proficiency with Windows , Linux , and/or RTOS environments (Linux preferred). Understanding of structured software design methodologies . Excellent communication and teamwork skills. Eligible for UK Security Clearance (advantageous). What More ❯

you’re looking for a company that invests in its people , offers career progression , and provides exceptional benefits , this is the opportunity for you. We are looking for a Senior Software Engineer to join thriving organisation who specialise in Communications and Electronic devices for Maritime and Land based defense products. Your Responsibilities Design, develop, and review software for systems ranging from small embedded processors to complex multi-processor networks. Collaborate with hardware and systems engineers on integrated software solutions. Deliver across all phases of the software lifecycle: requirements, design, implementation, integration, and testing. Produce high-quality technical documentation. Provide input on design suitability and participate in design reviews. Support R&D initiatives to improve … quality, efficiency, and cost effectiveness. Contribute to proposals and business development when required. Experience & Skills Strong software development experience in C, C++, C# or Java . Proficiency with Windows , Linux , and/or RTOS environments (Linux preferred). Understanding of structured software design methodologies . Excellent communication and teamwork skills. Eligible for UK Security Clearance (advantageous). What More ❯

with you. Purpose of the Role The pinnacle of motorsport excellence is built on a foundation of strong reliability of the team, processes, and the racing car. The Reliability Software Engineering role is responsible for building and operating the tools which allow McLaren F1 to achieve the highest levels of operational reliability. This role will work closely with end … users to design and implement software tools which track and manage issues and faults across manufacturing, logistics, car build, and race days. Innovation around finding patterns and relationships between faults and issues will be key, by using data, analytics, and machine learning to deliver world championship reliability tools. Role Dimensions The Software & Data Science group in McLaren F1 … is responsible for the analysis, design, and delivery of software tools and methodologies which improve the team and car's performance. We are a cross-functional group, bringing together data science, machine learning, software engineering, and DevOps to deliver performance focused platforms and solutions. In reliability engineering, you will understand issue tracking and management, root cause analysis, integrating More ❯

Job Role: Senior Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern Next.js TypeScript stack … Exposure to backend or full-stack development (Node.js, Express, etc.) Developing white-label applications Building internationalised applications Familiarity with frontend observability best practices (we use Datadog) Experience in agile software development methodologies Why Travelex? To remain the world’s leading foreign exchange specialist, we are focused on making our customers’ lives simpler, more engaging and hassle free while they More ❯

Job Role: Senior Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern Next.js TypeScript stack … Exposure to backend or full-stack development (Node.js, Express, etc.) Developing white-label applications Building internationalised applications Familiarity with frontend observability best practices (we use Datadog) Experience in agile software development methodologies Why Travelex? To remain the world’s leading foreign exchange specialist, we are focused on making our customers’ lives simpler, more engaging and hassle free while they More ❯

Job Role: Senior Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern Next.js TypeScript stack … Exposure to backend or full-stack development (Node.js, Express, etc.) Developing white-label applications Building internationalised applications Familiarity with frontend observability best practices (we use Datadog) Experience in agile software development methodologies Why Travelex? To remain the world’s leading foreign exchange specialist, we are focused on making our customers’ lives simpler, more engaging and hassle free while they More ❯

Job Role: Senior Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern Next.js TypeScript stack … Exposure to backend or full-stack development (Node.js, Express, etc.) Developing white-label applications Building internationalised applications Familiarity with frontend observability best practices (we use Datadog) Experience in agile software development methodologies Why Travelex? To remain the world’s leading foreign exchange specialist, we are focused on making our customers’ lives simpler, more engaging and hassle free while they More ❯

Job Role: Senior Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern Next.js TypeScript stack … Exposure to backend or full-stack development (Node.js, Express, etc.) Developing white-label applications Building internationalised applications Familiarity with frontend observability best practices (we use Datadog) Experience in agile software development methodologies Why Travelex? To remain the world’s leading foreign exchange specialist, we are focused on making our customers’ lives simpler, more engaging and hassle free while they More ❯

with you. Purpose of the Role: The pinnacle of motorsport excellence is built on a foundation of strong reliability of the team, processes, and the racing car. The Reliability Software Engineering role is responsible for building and operating the tools which allow McLaren F1 to achieve the highest levels of operational reliability. This role will work closely with end … users to design and implement software tools which track and manage issues and faults across manufacturing, logistics, car build, and race days. Innovation around finding patterns and relationships between faults and issues will be key, by using data, analytics, and machine learning to deliver world championship reliability tools. Role Dimensions: The Software & Data Science group in McLaren F1 … is responsible for the analysis, design, and delivery of software tools and methodologies which improve the team and car’s performance. We are a cross-functional group, bringing together data science, machine learning, software engineering, and DevOps to deliver performance focused platforms and solutions. In reliability engineering, you will understand issue tracking and management, root cause analysis, integrating More ❯

of the most challenging and rewarding experiences a career can offer. If that sounds exciting to you, you're in the right place. The role We're looking for senior software engineers to join our Web App engineering team. You'll have the opportunity to lead implementations across our entire product stack, with a focus on your area … you to contribute to every phase of the development cycle, from planning and architecting, to implementation and testing, to code review and maintenance. Requirements 4+ years experience as a software engineer Ability to make senior level contributions writing in TypeScript React PostgreSQL Bonus points for experience in high velocity and technically challenging roles Our tech stack Frontend … team and a business that is rapidly growing - creating high impact engineering opportunities that come with a lot of variety. It's also a great place to be an engineer - we have technical co-founders who know first hand the importance of creating space and focus for engineering teams to do their best work. Our core benchmarking product is More ❯

Location London Hybrid 1-2 days a week in the office eligibility to work in the UK Role Overview We are seeking a skilled Senior Developer to join a newly formed engineering team focused on removing legacy components and addressing technical debt within our Media Services products. This role will involve working closely with stakeholders to understand system requirements … component migrations. A proactive and detail-oriented approach will be vital to ensure smooth transitions from legacy systems to scalable, reliable, and future-proof solutions. In addition, experience with software testing practices, Agile methodologies (Scrum or Kanban), and defensive programming techniques will be highly desirable. We are looking for someone who thrives in collaborative, fast-paced teams, who can … Go programming experience Agile/Scrum experience Load Balancer experience Defensive programming techniques Tools and Technology Java Jira AWS TDD CI/CD Experience A degree in Computer Science, Software Engineering, or a related field or similar work based experience. Proven experience as a Senior Software Engineer ideally with a focus on media-related projects. Very More ❯

Role: As a Senior Software Engineer a t Previsico, you will be a key technical leader within the engineering team, driving the design, delivery, and evolution of our flood forecasting and prevention systems. You will take ownership of complex, high-impact projects across teams or domain areas, ensuring that our systems are scalable, reliable, and secure. You More ❯

data science, algorithmic precision, and intuitive design, we develop cutting-edge tools that enable users to analyze, interpret, and act on market dynamics with confidence. Your role As a Senior Software Engineer in the Product Engineering team you will build and evolve a data and content dissemination platform (Web, App, APIs, messaging) and corresponding data pipelines, ensuring … direct contact with business and technical stakeholders Work with product management to analyze and improve our business processes Conduct workload and complexity assessments Design, plan and implement new efficient software solutions in Python and Go Maintain and enhance our Airflow data pipelines Improve observability and scalability to support our constantly growing client base Continuously adapt to changing requirements in … Build and extend knowledge of financial instruments Minimum qualifications B.Sc. in Computer Science or similar field involving coding (e.g. physics or applied mathematics) Algorithms, data structures, complexity analysis and software design Hands-on senior level experience in Python programming Unix based systems, containerized environments and Kubernetes Working experience with databases: relational, NoSQL and time series Websocket, REST API More ❯

data science, algorithmic precision, and intuitive design, we develop cutting-edge tools that enable users to analyze, interpret, and act on market dynamics with confidence. Your role As a Senior Software Engineer in the Product Engineering team you will build and evolve a data and content dissemination platform (Web, App, APIs, messaging) and corresponding data pipelines, ensuring … direct contact with business and technical stakeholders Work with product management to analyze and improve our business processes Conduct workload and complexity assessments Design, plan and implement new efficient software solutions in Python and Go Maintain and enhance our Airflow data pipelines Improve observability and scalability to support our constantly growing client base Continuously adapt to changing requirements in … Build and extend knowledge of financial instruments Minimum qualifications B.Sc. in Computer Science or similar field involving coding (e.g. physics or applied mathematics) Algorithms, data structures, complexity analysis and software design Hands-on senior level experience in Python programming Unix based systems, containerized environments and Kubernetes Working experience with databases: relational, NoSQL and time series Websocket, REST API More ❯

data science, algorithmic precision, and intuitive design, we develop cutting-edge tools that enable users to analyze, interpret, and act on market dynamics with confidence. Your role As a Senior Software Engineer in the Product Engineering team you will build and evolve a data and content dissemination platform (Web, App, APIs, messaging) and corresponding data pipelines, ensuring … direct contact with business and technical stakeholders Work with product management to analyze and improve our business processes Conduct workload and complexity assessments Design, plan and implement new efficient software solutions in Python and Go Maintain and enhance our Airflow data pipelines Improve observability and scalability to support our constantly growing client base Continuously adapt to changing requirements in … Build and extend knowledge of financial instruments Minimum qualifications B.Sc. in Computer Science or similar field involving coding (e.g. physics or applied mathematics) Algorithms, data structures, complexity analysis and software design Hands-on senior level experience in Python programming Unix based systems, containerized environments and Kubernetes Working experience with databases: relational, NoSQL and time series Websocket, REST API More ❯

data science, algorithmic precision, and intuitive design, we develop cutting-edge tools that enable users to analyze, interpret, and act on market dynamics with confidence. Your role As a Senior Software Engineer in the Product Engineering team you will build and evolve a data and content dissemination platform (Web, App, APIs, messaging) and corresponding data pipelines, ensuring … direct contact with business and technical stakeholders Work with product management to analyze and improve our business processes Conduct workload and complexity assessments Design, plan and implement new efficient software solutions in Python and Go Maintain and enhance our Airflow data pipelines Improve observability and scalability to support our constantly growing client base Continuously adapt to changing requirements in … Build and extend knowledge of financial instruments Minimum qualifications B.Sc. in Computer Science or similar field involving coding (e.g. physics or applied mathematics) Algorithms, data structures, complexity analysis and software design Hands-on senior level experience in Python programming Unix based systems, containerized environments and Kubernetes Working experience with databases: relational, NoSQL and time series Websocket, REST API More ❯

data science, algorithmic precision, and intuitive design, we develop cutting-edge tools that enable users to analyze, interpret, and act on market dynamics with confidence. Your role As a Senior Software Engineer in the Product Engineering team you will build and evolve a data and content dissemination platform (Web, App, APIs, messaging) and corresponding data pipelines, ensuring … direct contact with business and technical stakeholders Work with product management to analyze and improve our business processes Conduct workload and complexity assessments Design, plan and implement new efficient software solutions in Python and Go Maintain and enhance our Airflow data pipelines Improve observability and scalability to support our constantly growing client base Continuously adapt to changing requirements in … Build and extend knowledge of financial instruments Minimum qualifications B.Sc. in Computer Science or similar field involving coding (e.g. physics or applied mathematics) Algorithms, data structures, complexity analysis and software design Hands-on senior level experience in Python programming Unix based systems, containerized environments and Kubernetes Working experience with databases: relational, NoSQL and time series Websocket, REST API More ❯

brilliant time to join our business. We are on an exciting growth journey to become the UK's most loved retirement expert. The Role We're looking for a Senior Software Engineer to join one of our multidisciplinary, cross-functional, lean delivery squads, focused on rapidly delivering value to our customers through our mobile app and website. … right way. You will lead by example; getting your hands dirty in the code, inspiring your peers & helping to educate your stakeholders. You are passionate about the craft of software development and contribute to technical and non-technical discussions that help shape the direction of digital product delivery. You are able to work independently, as well as collaboratively, on … user stories within an agile delivery environment and are versed in modern software delivery practices. You care about creating quality software that delivers value to consumers, in a thoughtfully pragmatic way. As well as contributing to production-grade code bases, you will also be keen to help shape the vision for the product, happy to mentor and upskill More ❯

excitement. You will work within a close-knit team with autonomy while enjoying substantial financial backing from the larger enterprise. Responsibilities Spearhead streamlined testing and automation strategies as a Senior Software Engineer in Test. Be a linchpin in the team, taking charge of software delivery, adopting a DevOps culture to oversee the software lifecycle, release … Qualifications Proficiency in TDD, BDD, Selenium, and Automation Testing. Experience with Java backend (Spring Boot), GCP (Terraform), and Kubernetes. Ability to adopt and promote a DevOps culture, oversee the software lifecycle, and contribute to release automation and production observability. Strong mentoring, collaboration, and communication skills. Location and Culture With offices in the UK, Barcelona, and Lithuania, the company has More ❯

This team spends most of its time working on customer focused features that improve the user experience, from content discovery and search to Roku pay and subscription to embedded software and firmware, and much more. Our product roadmap helps us accelerate our growth and scale, putting surprising new features into the hands of tens of millions of Roku users … and continues to innovate and lead the industry. While we are well-positioned to help shape the future of television and streaming media worldwide, continued success stems from experienced software engineers like you developing core features for the Roku platform. Our new Senior Software Engineer, Embedded will be contributing extensively to our embedded UI development, algorithm … integration of third-party code. You will also be engaged in developing tools which can help larger development community within Roku. A proven track record of shipping high-quality software on embedded platforms is essential. This is a great role for a senior professional who enjoys a high level of visibility and thrives on great business impact. The More ❯

Join us as a Senior Software Engineer for CIAM at Barclays, where you will bring to life a new digital platform capability, transforming and modernising our digital estate to build a market-leading digital offering with customer experience at its heart. This is an exciting and key role, partnering with business aligned engineering and product teams, to … ensure a collaborative team culture is at the heart of what we do. To be successful in this role you should have: Strong hands-on IAM engineer background with broad expertise across the IAM domain, including tooling, products, protocols, taxonomy, identity management, authentication, authorization and identity federation. Expertise with single sign on, OAuth2, OIDC, PKI, PSD2 SCA knowledge and … digital and technology, as well as job-specific technical skills. This role will be based out of our London office. Purpose of the role To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. Accountabilities Development and delivery of high-quality software solutions by using industry More ❯