14 of 14 Permanent Principal Java Engineer Jobs in the UK

innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers. Role Description We are seeking a Principal Engineer to act as the most senior hands‐on technical expert for our leading Risk Screening platform. This role partners closely with architecture, service … system’s non‐functional characteristics, including end‐to‐end latency, cloud scalability, resilience, and the effective handling of large and growing data sets. The Principal Engineer ensures these qualities are deliberately designed for, correctly implemented, and continuously validated in production. Rather than owning architecture in isolation, the Principal ...

diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers. Role DescriptionWe are seeking a Principal Engineer to act as the most senior hands‐on technical expert for our leading Risk Screening platform. This role partners closely with architecture … system's non‐functional characteristics, including end‐to‐end latency, cloud scalability, resilience, and the effective handling of large and growing data sets. The Principal Engineer ensures these qualities are deliberately designed for, correctly implemented, and continuously validated in production. Rather than owning architecture in isolation, the Principal ...

technology consulting firm is seeking a Principal Java Engineer to join their team in London. The ideal candidate will have over 10 years of experience in Java development, particularly with low-latency systems in payments processing. Responsibilities include designing backend systems, building RESTful APIs, and collaborating ...

Principal Backend Engineer – JavaLocation: London (Hybrid) | Practice Area: Technology & Engineering | Type: PermanentBuild scalable backend solutions that help shape the future of financial services. The RoleCapco is growing our Engineering team, and we're looking for experienced Principal Backend Engineers with strong Java skills and a passion … delivering innovative solutions in financial services. As a Principal Backend Engineer at Capco, you'll contribute to high-impact, client-facing projects and work with cloud-native technologies across different domains within Financial Services & Energy. You'll collaborate with talented engineers, contribute to architecture and engineering decisions ...

Partners is seeking a Principal Java Engineer to join our high-performing team in the UK. You will own the design and optimization of low-latency, high-throughput backend systems for payments, building secure RESTful APIs and scalable microservices. In this hybrid role, you will deploy ...

# Principal Software Engineer (Java) - Security - ElasticsearchElastic · elastic.coCategory: Security EngineeringLocation: United KingdomLevel: Staff/Principal## Quality of lifeWhat the posting states. Hover or tap a perk to see the line it came from.* 16 weeks parental leave* Retirement matchElastic, the Search AI Company, enables everyone to find … complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI.What is The RoleWe are seeking a Principal Software Developer to join the Elasticsearch Security team. In this role, you will lead the architecture and design of Elasticsearch's main features. These features ...

McNally Recruitment Ltd is partnering with a large UK client to hire a Principal Engineer in London or Edinburgh. The role requires in-office presence 6 days per month with the remainder remote, focusing on designing and engineering software with customer experience as the priority. You will shape … architectural direction, lead a software team, and deliver scalable, secure enterprise web applications using Java, Spring Boot, ReactJS, AWS, and data tech like Postgres, MongoDB and Snowflake. #J-18808-Ljbffr ...

drive technical excellence across multiple teams. This is a chance to leave a lasting impact on our technology, our teams and the way we engineer products at Very. You'll be helping shape the future of engineering at Very by Designing and building software that delivers exceptional experiences … sustainable solutions Sharing your knowledge both internally and externally, helping strengthen our engineering community and reputation About you You'll be an experienced software engineer who enjoys solving difficult problems and helping others succeed. You may already be operating as a Principal Engineer, or perhaps ...

leading enterprise decision‐making platform, powering the world’s largest enterprises with its proprietary HyperblockTM technology and cloud infrastructure. We are seeking a Sr. Principal Engineer to join our team in Manchester, UK. Your Impact Lead the design, delivery, and architecture of platform capabilities powering Anaplan’s enterprise … observability, implementing intelligent rate‐limiting, and solving complex concurrency challenges (e.g., database locks and connection starvation). Deliver thought leadership and coding excellence across Java/Kotlin, ensuring seamless integration between backend microservices and UI components (including resolving complex CORS and distributed edge proxy requirements). Mentor and elevate ...

Anaplan Inc is seeking a Sr. Principal Engineer to join our team in Manchester, UK. The successful candidate will lead the design and delivery of platform capabilities, including the architecture of API gateways and backend engines. The ideal candidate will have extensive experience in Java/Kotlin ...

London Stock Exchange Group is seeking a Principal Engineer to be the most senior hands-on technical expert for the Risk Screening platform. You will partner with architecture, service, product, and engineering teams to ensure designs are implemented to the highest technical and operational standards. A core focus ...

Java, Spring Boot, AWS, DevOps, Microservices The Role: An opportunity to take a lead engineering position within a large, well-established financial services business undergoing significant technology transformation. This role sits at the intersection of architecture, software engineering and technical leadership. You'll influence engineering standards, shape technical direction … authority for complex design decisions and platform evolution What You Bring: Strong background designing, building and delivering enterprise-scale software platforms Deep expertise with Java and Spring-based development Experience designing APIs, distributed systems and microservice architectures Strong understanding of DevOps practices, CI/CD pipelines and automated testing ...

Elastic seeks a Principal Software Developer to lead Elasticsearch security, focusing on authentication, authorization, and tenant isolation. You will shape security across the core engine and collaborate with product and engineering leadership. You will drive scalable RBAC/ABAC models, apply cryptographic controls, and mentor engineers while advancing ...

cloud‐based solutions for search, security, and observability help organizations deliver on the promise of AI. What is The Role: We are seeking a Principal Software Developer to join the Elasticsearch Security team. In this role, you will lead the architecture and design of Elasticsearch’s main features. These … intervention. Mentoring and coaching other engineers, fostering a culture of technical excellence and security‐first development. What You Bring: You have deep knowledge of Java internals and JVM memory management. You understand how concurrency models work. You can write code that is high-performance, thread‐safe, and lock‐free. ...