Principal Java Engineer

Principal Java Engineer Up to £120,000 Candidates must be based in Belfast All applications not based in Belfast will be disregarded Do you enjoy shaping the technical direction of complex, large-scale systems - and doing it with modern Java at the highest level? My client is looking for a Principal Java Engineer to take a lead role in defining architecture, driving engineering standards and delivering systems that matter. This isn't a heads-down coding role - it's for someone who can operate at the intersection of deep technical expertise and strategic thinking, and who wants to leave a real mark on the systems and teams they work with. Based in Belfast, the team offers a flexible hybrid setup to suit how you work best. What you'll be doing Setting the technical direction and architectural vision for core backend systems Leading design and delivery of large-scale, high-performance Java applications Owning key engineering decisions and driving them through from concept to production Establishing and championing best practices, coding standards and design patterns across engineering Mentoring and elevating senior engineers around you Collaborating with product, DevOps and leadership to align technical strategy with business goals Driving improvements in performance, reliability and scalability across the platform What we're looking for Extensive commercial experience as a Senior or Staff Java Engineer, with time at principal or architect level Deep expertise in modern Java (Java 11+) Proven track record of owning and delivering complex distributed systems at scale Strong experience with cloud platforms (AWS, GCP or Azure) Expert-level understanding of microservices, event-driven architectures and REST APIs Solid grasp of both SQL and NoSQL databases A natural leader who can influence without authority and bring engineers along with them Nice to have Experience with Spring / Spring Boot at scale Infrastructure as Code (Terraform, CloudFormation) Containerisation and orchestration (Docker, Kubernetes) Background in high-throughput, mission-critical or regulated environments This role would suit a technically exceptional engineer who's ready to operate at the highest level - someone who wants ownership, influence and the opportunity to shape something significant. If you have any questions on the role, feel free to reach out to Brendan McCrory directly. Benefits: Work From Home

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