901 to 925 of 1,333 Senior Software Engineer Jobs in the UK

Join a pioneering technology company that designs and manufactures high-performance electronic systems used in critical real-world applications. The Role We’re looking for an experienced Senior Embedded Software Engineer to contribute to the development of next-generation smart instrumentation products. These devices deliver reliable, high-quality performance in environments where precision and responsiveness are essential. … You’ll design, implement, and maintain embedded software across the full development lifecycle, playing a key role in architecture, development, and validation. Key Responsibilities Develop high-quality embedded C software for complex, real-time systems. Produce software requirements, specifications, and supporting documentation. Participate in design reviews and establish technical best practices. Develop and maintain firmware for microcontroller … Skills Strong embedded C programming experience. Experience with 16/32-bit microcontrollers, RTOS, and communication protocols (SPI, I2C, TCP/IP). Familiarity with safety-critical or regulated software development processes. What’s on Offer Competitive salary ranging between £45-75k DOE + an annual bonus (up to 12%). Comprehensive benefits package including pension and healthcare. More ❯

Join a pioneering technology company that designs and manufactures high-performance electronic systems used in critical real-world applications. The Role We’re looking for an experienced Senior Embedded Software Engineer to contribute to the development of next-generation smart instrumentation products. These devices deliver reliable, high-quality performance in environments where precision and responsiveness are essential. … You’ll design, implement, and maintain embedded software across the full development lifecycle, playing a key role in architecture, development, and validation. Key Responsibilities Develop high-quality embedded C software for complex, real-time systems. Produce software requirements, specifications, and supporting documentation. Participate in design reviews and establish technical best practices. Develop and maintain firmware for microcontroller … Skills Strong embedded C programming experience. Experience with 16/32-bit microcontrollers, RTOS, and communication protocols (SPI, I2C, TCP/IP). Familiarity with safety-critical or regulated software development processes. What’s on Offer Competitive salary ranging between £45-75k DOE + an annual bonus (up to 12%). Comprehensive benefits package including pension and healthcare. More ❯

Overview Ripjar specialises in the development of software and data products that help governments and organisations combat serious financial crime. Our technology is used to identify criminal activity such as money laundering enabling organisations to enforce sanctions at scale to help combat rogue entities and state actors. Team mission: Our engineering team builds software that makes the world … code fast with certainty. Harnessing the power of Labyrinth Screening to work with new types of data at scale within Ripjar's wider financial crime solutions. Responsibilities As a Software Engineer on the Labyrinth Screening team, you'll design, develop, and ship cutting-edge features that stop criminals in their tracks. Shape our scalable, multi-tenant, cloud-first More ❯

We're looking for a full-stack Senior Engineer to join our Recontact team. Recontact studies allow researchers to invite participants into further studies, making them a core part of Our Future Health's mission to accelerate health research. This is a chance to work in a small, growing team where you'll contribute both to early design … graph). Good experience in using modern, agile development practices like code review, TDD, CI/CD and pairing using tools like Git and GitHub. Experience of operationally managing software components once live, including; observability, logging, metrics, error reporting, debugging and live incident management. Experience of working with sensitive personal data, ideally with an awareness of security and compliance … audiences at different levels, translating technical concepts into practical implications. Experience working in small, growing organisations with a high degree of ambiguity, where flexibility is valued. Strong understanding of software quality principles and practices. Comfortable providing mentorship and technical guidance to less experienced engineers. Comfortable facilitating technical discussions, encouraging collaboration, and helping the team converge on sound decisions. Competitive More ❯

to £65,000 + bonus & excellent benefits Clearance: British Citizen or Dual UK National with British citizenship Copello are working with a leading defence technology partner seeking a Principal Software Engineer to join their New Product Development team, driving the next generation of mission planning and control systems . The Role Youll lead the design and delivery of … complex software solutions across the full development lifecycle, collaborating with international teams and mentoring engineers within a dynamic, high-performing environment. What Youll Bring Strong proficiency in Core Java and/or C++ Proven experience delivering complex software systems end-to-end Solid understanding of the software development lifecycle Strong communication skills and stakeholder engagement experience Experience More ❯

Position summary We are seeking a talented software engineer to join our team. Responsibilities include: Developing and maintaining high-quality, responsive applications. Identifying and fixing bottlenecks and bugs. Maintaining code quality, organization, and automation. Mentoring junior developers and providing technical leadership and code reviews. Staying up-to-date with industry trends and technologies to ensure our solutions remain … cutting-edge. Requirements: Bachelor's degree in computer science, Engineering, or a related field. 5+ years of experience in software development focusing on .NET technologies. Strong experience with AWS services such as EC2, S3, Lambda, RDS, and others. Proficiency in C# and .NET Core. Solid understanding of RESTful APIs and web services. Experience with database technologies like SQL Server … Competitive salary and benefits package. Opportunity to work with cutting-edge technologies. Collaborative and innovative work environment. Professional development and growth opportunities. If you are passionate and experienced in software engineering and looking to advance your career, we invite you to apply and join our talented team. Diversity, Equity, Inclusion & Equal Employment Opportunity at ADP: ADP is committed to More ❯

transaction services, to make mobility ecological, efficient and convenient. Are you adaptable, flexible and pragmatic with a DevOps mindset ? Are you able to apply good engineering processes to deliver software products of high quality and performance, even with occasionally ambiguous requirements? Our ideal candidate will be a lifelong learner who enjoys solving technical problems, is curious about new technologies … local, pre-release and production environments running on AWS. We operate a DevOps culture and are responsible for developing, deploying, operating and monitoring our team's deliverables. As the senior engineer in the team, you will set the technical standard for the team; offering mentoring and support to your team-mates. Who are you Highly skilled and proficient … direction to your team and contributing to the wider engineering organisation. Deep technical understanding of MySQL and relational databases, particularly database performance tuning. Knowledge of best practises around Modern Software Engineering, CI/CD, DORA metrics. Experience of troubleshooting and fixing performance issues in a full-stack application; from browser to the database. Experience of software architecture and More ❯

team provide processing, collection, storage, management, auditing and authenticating each piece of content which enters into Bazaarvoice. This team is highly collaborative, proficient and very well organised. As a Senior Engineer seeking to join this team, you will be responsible for helping design, develop, deliver and own a range of solutions to help extend Bazaarvoice's Client experience … to expand product capabilities. Responsibilities Test Driven Development (TDD) and Behavioral Driven Development (BDD). Write high quality code, participate in code reviews and advocate for best practices in software development. Understand the complexity of monolith applications and the ability to decompose applications into manageable modern microservices. Collaborate with cross functional teams, Senior Staff and Principal engineers. Own … and deliver high quality technical solutions with a strong delivery mindset. Develop software product features with a security-first mindset. Triage, investigate and resolve production issues and outages. Coach junior engineers on the team. Participate in on-call rotation and responsibilities. Experience with implementing monitoring and alerting for the applications. Requirements 5+ years of experience working on backend technologies. More ❯

Senior Full-Stack Developer (React/Python) – Remote (UK) We’re looking for an experienced Senior Full-Stack Developer to join our small, highly skilled engineering team building a next-generation Financial Services Regulatory Compliance platform . You’ll work on complex systems that combine an elegant, data-driven frontend with powerful Python APIs and AI-backed analytics More ❯

We are recruiting on behalf of a leading financial institution seeking a skilled eFX Software Engineer to join their electronic trading team in London. Acting a Senior within the team, this role offers the chance to work on cutting-edge, low-latency FX trading platforms that support global markets, while shaping innovative solutions in a collaborative environment. More ❯

We are recruiting on behalf of a leading financial institution seeking a skilled eFX Software Engineer to join their electronic trading team in London. Acting a Senior within the team, this role offers the chance to work on cutting-edge, low-latency FX trading platforms that support global markets, while shaping innovative solutions in a collaborative environment. More ❯

We are recruiting on behalf of a leading financial institution seeking a skilled eFX Software Engineer to join their electronic trading team in London. Acting a Senior within the team, this role offers the chance to work on cutting-edge, low-latency FX trading platforms that support global markets, while shaping innovative solutions in a collaborative environment. More ❯

We are recruiting on behalf of a leading financial institution seeking a skilled eFX Software Engineer to join their electronic trading team in London. Acting a Senior within the team, this role offers the chance to work on cutting-edge, low-latency FX trading platforms that support global markets, while shaping innovative solutions in a collaborative environment. More ❯

We are recruiting on behalf of a leading financial institution seeking a skilled eFX Software Engineer to join their electronic trading team in London. Acting a Senior within the team, this role offers the chance to work on cutting-edge, low-latency FX trading platforms that support global markets, while shaping innovative solutions in a collaborative environment. More ❯

We are recruiting on behalf of a leading financial institution seeking a skilled eFX Software Engineer to join their electronic trading team in London. Acting a Senior within the team, this role offers the chance to work on cutting-edge, low-latency FX trading platforms that support global markets, while shaping innovative solutions in a collaborative environment. More ❯

renowned for customer-centric, reliable, fast, flexible, and innovative solutions. Come, be a part of our journey to redefine media! About the Role We're looking for a Lead Software Engineer/Tech Lead who enjoys combining hands-on technical expertise with guiding and enabling others. This is a practical role - you'll design and build scalable systems … while supporting a small team of engineers to deliver software that is reliable, well-tested, and meaningful for our customers. As the technical lead, you'll model high standards in code quality, testing, and delivery, while mentoring and supporting those around you. You'll help simplify complexity, embed best practices, and encourage a culture of shared ownership and continuous … learning. This is a senior engineering role where you'll remain hands-on while influencing the technical direction and team culture, without moving into people management. Key Responsibilities Lead by example: Write high-quality, maintainable code while fostering best practices across the team. Technical impact: Design and deliver scalable, performant systems that support high traffic, data volumes, transactional environments. More ❯

identity for Zero Trust security in the cloud. This is your opportunity to get in at an early stage and help us build Cofide into an industry-defining company. Senior/Staff Software Engineer role: This is a full-time remote role for a Senior/Staff Software Engineer. At Cofide you will play a … e.g. AWS, GCP, Azure), Kubernetes and cloud native distributed systems development, securing services (i.e. mTLS/PKI/OAuth/JWT, ideally with SPIFFE/SPIRE, service mesh), and software development with Go is required. Our tech stack includes gRPC APIs, PostgreSQL, SaaS, service mesh, Linux, Terraform, Helm, Docker and GitHub. Desirable soft skills include curiosity, high agency, and More ❯

We are recruiting on behalf of a leading financial institution seeking a skilled eFX Software Engineer to join their electronic trading team in London. Acting a Senior within the team, this role offers the chance to work on cutting-edge, low-latency FX trading platforms that support global markets, while shaping innovative solutions in a collaborative environment. More ❯

We are looking for an experienced Software Engineer to work with one of our FinTech clients, based in either their London or Manchester office, focussing on one of their core products. This role is for an experienced developer and the person will need to provide hands-on technical leadership alongside mentorship and guidance to the wider engineering team. More ❯

with the Machine Learning team to understand the underlying concepts and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a strong sense of aesthetics. … experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” – make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression with your career. Work on More ❯

with the Machine Learning team to understand the underlying concepts and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a strong sense of aesthetics. … experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” – make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression with your career. Work on More ❯

with the Machine Learning team to understand the underlying concepts and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a strong sense of aesthetics. … experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” – make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression with your career. Work on More ❯

with the Machine Learning team to understand the underlying concepts and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a strong sense of aesthetics. … experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” – make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression with your career. Work on More ❯

with the Machine Learning team to understand the underlying concepts and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a strong sense of aesthetics. … experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” – make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression with your career. Work on More ❯

Software Engineers (Java/JavaScript/TypeScript) Gloucester – Hybrid (2–3 days on-site) £42,000 – £62,000 + Excellent Benefits This is an opportunity to join one of the UK’s flagship engineering and digital security organisations — a trusted technology partner to UK Government and Defence. They design, build, and secure complex systems that sit at the core … of the UK’s critical infrastructure. With major growth planned in Gloucester, they’re hiring Software Engineers across Java and JavaScript/TypeScript to help shape next-generation solutions in national security and intelligence domains. What you’ll be doing Developing secure, scalable software used across sensitive government programmes Working with Java, JavaScript, and TypeScript in modern cloud … and on-prem environments Designing, integrating, and testing complex systems in agile project teams Collaborating with specialists in software, AI, and cyber to deliver impactful, real-world solutions Experience required Proficiency in Java, JavaScript or TypeScript (Spring Boot, Node.js, React etc.) Understanding of secure development and modern DevOps tooling Comfortable working in agile, collaborative engineering environments UK National – eligible More ❯