15 of 15 Remote Principal Software Engineer Jobs in England

Principal Software Engineer with a Java backend/full-stack experienceto take a lead role in designing and architectingthe SaaS platform for an early-stage clean-tech startup on a mission to accelerate the shift to a greener energy worldby optimising complex grid-scalebattery assets for asset owners through data, ML, and SaaS innovation. Proximity to Cambridge … ideal, although a remote role across the UK/with some company meetups . Salary £70-90k + Bens + Options Key skills you will bring as a Principal Software Engineer would include : Proven track record in building enterprise-grade Java/Microservices backend systems (Spring Boot or Micronaut preferred) Cloud Native development ideally with AWS … Proven experience in distributed systems/Kafka/event-drivensystems Deep understanding of software architecture, patterns, scaling/resilienceand ideally with domain-driven design . Hands-on expertise with platform engineering/DevOps practices (Kubernetes, Terraform, containers, CI/CD, ECS, Gitlab etc). A proactive, startup mindset with the ability to balance strategy and execution. Nice to have More ❯

Principal Software Engineer - Lead Innovation in Government Tech Up to £95,000 + Exceptional Benefits Remote First (1 Day/Fortnight Onsite) SC Clearable - British Citizens Only Are you ready to shape the future of government technology? Join a cutting-edge software engineering business as a Principal Software Engineer, where you'll lead More ❯

Principal Software Engineer - Lead Innovation in UK GovTech ?? Up to £95,000 + Elite Benefits ?? Remote-First | Just 1 Day Onsite Every Fortnight ?? SC Clearable | British Citizens Only ?? Lead the Tech Behind National Transformation Are you ready to architect the future of UK government technology? Join a mission-led engineering powerhouse where your leadership drives digital transformation … strengthens national security, and delivers real-world impact. As a Principal Software Engineer, you'll shape cloud-native platforms, mentor high-performing teams, and steer delivery across critical government programmes. This is your opportunity to combine deep technical expertise with strategic influence-while working in a flexible, remote-first culture that values innovation, autonomy, and purpose. ?? What More ❯

Principal Software Engineer - Lead Innovation in UK GovTech Apply (by clicking the relevant button) after checking through all the related job information below. Up to £95,000 + Elite Benefits Remote-First | Just 1 Day Onsite Every Fortnight SC Clearable | British Citizens Only Lead the Tech Behind National Transformation Are you ready to architect the future of … UK government technology? Join a mission-led engineering powerhouse where your leadership drives digital transformation, strengthens national security, and delivers real-world impact. As a Principal Software Engineer, you'll shape cloud-native platforms, mentor high-performing teams, and steer delivery across critical government programmes. This is your opportunity to combine deep technical expertise with strategic influence More ❯

Principal Software Engineer - Lead the Future of UK GovTech Up to £95,000 + Elite Benefits Remote First (Just 1 Day Onsite Every Fortnight)?? SC Clearable - British Citizens Only Ready to lead innovation that matters? Join a mission-driven tech powerhouse where your code helps protect national interests, drive digital transformation, and shape the future of government … technology. We're looking for a Principal Software Engineer to architect cloud-native solutions, mentor brilliant engineers, and lead delivery across high-impact government programmes. This is your chance to combine deep technical expertise with strategic leadership in a collaborative, forward-thinking environment. You will need experience in Java, React.js and AWS to be successful in this More ❯

Principal Software Engineer (Java) London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your … or more if you’d like!) 🌍 Opportunity to collaborate with major global banks 🚀 Fast-paced, product-led environment where your voice matters If you're a motivated Senior/Principal/Staff Java Software Engineer ready to tackle complex challenges and deliver meaningful change, hit apply – and shape the future of payments with us. More ❯

Principal Software Engineer (Java) London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your … or more if you’d like!) 🌍 Opportunity to collaborate with major global banks 🚀 Fast-paced, product-led environment where your voice matters If you're a motivated Senior/Principal/Staff Java Software Engineer ready to tackle complex challenges and deliver meaningful change, hit apply – and shape the future of payments with us. More ❯

Principal Software Engineer (Java) London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your … or more if you’d like!) 🌍 Opportunity to collaborate with major global banks 🚀 Fast-paced, product-led environment where your voice matters If you're a motivated Senior/Principal/Staff Java Software Engineer ready to tackle complex challenges and deliver meaningful change, hit apply – and shape the future of payments with us. More ❯

Principal Software Engineer (Java) London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your … or more if you’d like!) 🌍 Opportunity to collaborate with major global banks 🚀 Fast-paced, product-led environment where your voice matters If you're a motivated Senior/Principal/Staff Java Software Engineer ready to tackle complex challenges and deliver meaningful change, hit apply – and shape the future of payments with us. More ❯

Principal Software Engineer (Java) London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your … or more if you’d like!) 🌍 Opportunity to collaborate with major global banks 🚀 Fast-paced, product-led environment where your voice matters If you're a motivated Senior/Principal/Staff Java Software Engineer ready to tackle complex challenges and deliver meaningful change, hit apply – and shape the future of payments with us. More ❯

to be as renowned for the quality of its engineering as it is for the quality of its content. We aspire to be the best so that we can engineer outstanding digital products, at scale. Working here in an engineering role means being part of a world-class team and a chance to do the most meaningful work of … for audiences to find personalised and contextually relevant content. Our goal is to create the first personalisation platform rooted in public service values. We're looking for an experienced software engineering leader in Machine Learning to join us as a Senior Principal Software Engineer. You will be responsible for shaping, developing and delivering machine learning (ML) and … business value. Identify and champion innovation within teams. Active participant in Industry ML forums and communities. Are you the right candidate? Significant experience as a senior individual contributor - Senior Principal Software Engineer/Staff Engineer. Excellent communication skills and experience with managing multi-disciplinary stakeholders. Extensive experience setting technical direction across multiple software engineering teams. Extensive More ❯

Principal Software Engineer - Lead Innovation in UK GovTech Up to £95,000 + Elite Benefits Remote-First Just 1 Day Onsite Every Fortnight SC Clearable British Citizens Only Lead the Tech Behind National Transformation Are you ready to architect the future of UK government technology? Join a mission-led engineering powerhouse where your leadership drives digital transformation More ❯

We don't just build technology. We build hope. We are seeking a highly experienced Principal Software Engineer to lead the development of advanced control systems software for our state-of-the-art radiotherapy solutions.This role involves designing and evolving a suite of applications, including service tools, factory test software, and interfaces that connect treatment … and maintenance of these applications to a modern, containerised microservices platform.As a technical leader within a Scrum team and an Agile Release Train, you will champion best practices in software engineering, ensuring quality and compliance in a safety-critical environment. Your expertise will guide architectural decisions, influence technical strategy, and mentor teams to deliver innovative, reliable solutions that make … patient care. What you'll do at Elekta: Define, design, develop and maintain applications and the control system for the Elekta Radiotherapy Treatment System (Linac). Maintaining and enhancing Software quality metrics including test coverage and code maintainability through code walkthroughs, testing at all level of the V model and attention to detail. Ensuring the code and the system More ❯

are curious, collaborative, and driven by the ambition to make investing accessible to everyone. We'd love for you to be part of our journey. About The Role As Principal Software Engineer in our Investment Tribe, you'll be a senior technical leader, guiding our move from a complex legacy estate to a modern, cloud-native architecture. 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? The ideal candidate will be a lifelong learner who enjoys solving technical problems, is curious about new technologies … 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. Requirements A desire and willingness to learn other languages … 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 software architecture and presenting technical designs to your team and stakeholders. Demonstrable expertise and understanding of API development/design More ❯