Senior JAVA Engineer at Metasite

At Metasite, we do bespoke digital platforms and applications design, engineering, integration and support for our clients.We're technology professionals who believe in the power of a dynamic flat-hierarchy culture, who constantly explore the latest IT trends and tools, and enjoy working in autonomous teams.Our systems architects, software developers, UI designers, QA engineers, business analysts and PMs offer a rare combination of deep understanding of the domain and bespoke software engineering excellence.  We're looking for a Senior JAVA Engineer who loves working on complex technical challenges and building reliable systems. In this role, you'll have ownership across execution technology, the platforms and connectivity layers that keep trading systems running. Does this sound like the kind of work you’d enjoy? Then feel free to apply, we'd love to hear from you. You will be: • Independently designing and building technical solutions based on requirements; • Spotting gaps or unclear requirements early and proactively reaching out to the right teams for answers; • Preparing change documentation and guiding releases through the formal approval process; • Working directly with external brokers on connectivity, messaging formats, and integration testing; • Balancing multiple priorities at once, new features, production issues, support requests, and releases; • Operating day-to-day within the project tools, codebase, infrastructure, and processes as part of the project team. You will need: • 7+ years of experience as a software engineer; • Strong experience with Java (Spring Boot), Apache Kafka, and microservices architecture; • Confidence navigating and contributing to large, unfamiliar codebases; • Solid understanding of messaging protocols and data mapping; • Financial services background (trade execution, order management, or market connectivity) would be considered as advantage; • Experience working in regulated or institutional environments; • Familiarity with CI/CD pipelines (Jenkins or similar); • Comfort using AI-assisted development tools; • Ability to work independently and drive things forward; • Strong communication skills with a proactive, speak-up mindset. Nice to have: • FIX protocol experience; • Exposure to hedge fund or sell-side trading technology; • Familiarity with OMS, TMS and EMS systems (trading); • Docker/containerisation experience. We offer: • A choice of working in our central Vilnius office or remotely. • A positive company culture with well-being benefits, private health and accident insurance, and flexible working hours. • Opportunities for growth and professional development. • A dedicated team ready to collaborate and drive collective success. • Salary ranges from 5500 EUR gross (the given range is flexible and depends on your experience).