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Principal java engineer

MCS Group
Principal
Posted: 29 July
Offer description

Principal Java Engineer (Backend) - Scale-Up Security Tech - Remote/Hybrid (Ireland/NI)€105-111k + 10% bonus + EquityEvent-Driven Microservices | Java | AWS | Hands-on LeadershipAn innovative scale-up is looking for a Principal Java Engineer to help them re-architect a critical platform used by law enforcement, emergency response, and global enterprise retailers.With $30 million Series A funding secured, they're scaling fast - across the UK, Ireland, the US, and Middle East - and building out their in-house software capability after years of outsourced development. You'll play a key role in rebuilding their platform from a monolithic legacy system to a modern, event-driven microservices architecture hosted on AWS.What you'll doLead the design and build of scalable Java microservices in an event-driven architectureHelp re-architect a platform used by thousands of users globally - high visibility, high impactWork closely with product, QA, design, and senior engineering leadershipProvide hands-on coding, technical mentoring, and code reviewsChampion best practices in software design, performance, and system reliabilityBe a key voice in technical strategy and architecture discussionsAbout you6+years' experience with Java and Spring Boot, strong backend focusCurrently in a Principal, Staff or Tech Lead hands-on roleExpertise in microservices and event-driven systems (Kafka, SNS/SQS, etc.)Solid cloud experience in AWSExperience breaking down monoliths into distributed systemsComfortable in fast-paced scale-up environments - wearing multiple hats when neededStrong communicator with a collaborative mindsetBonus: exposure to C/C++ (due to the hardware element of the product)What's on offer€105-111k base salary10% bonus + Equity/Share OptionsPrivate healthcare after 25+ daysNo pension currently offeredFlexible hybrid working - 1 day/week in Belfast HQ with occasional Dublin visitsWhy join?You'll be joining a high-growth tech scale-up on a mission to improve public and workplace safety through cutting-edge hardware and software. It's an opportunity to do meaningful technical work, influence architecture, and help shape a product that's making a real-world difference - all while working alongside smart, supportive people in a down-to-earth team.To speak in absolute confidence about this opportunity please contact Jack Tyrrell, Specialist Recruitment Consultant at MCS Group 016994371or send an up to date CV via the link provided.If this position is not right for you, we may have others that are. Please visit www.mcsgroup.jobs to view a wide selection of our current jobs. All conversations will be treated in the strictest of confidence.
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