Senior Software Engineer (JAVA)

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 Software Engineer with deep expertise in JAVA to lead the design and development of mission-critical systems across our domain. You will play a key role in shaping technical strategy, driving architectural decisions, and mentoring engineers within a high-performing team. 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: Lead the end-to-end delivery of complex software solutions from requirements gathering and architecture design to development, testing, and production deployment; Own and drive long-term technical initiatives and architectural improvements across systems; Spotting gaps or unclear requirements early and proactively reaching out to the right teams for answers; Collaborate closely with stakeholders to align technical solutions with business goals; Champion engineering best practices, including CI/CD, automated testing, and scalable design patterns; 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: 5-7+ 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 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; Exelent communication skills with a proactive, speak-up mindset. Nice to have: React.js experience is a plus; FIX protocol experience; Experience with cloud platforms (Azure or AWS); 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 5000 EUR gross (the given range is flexible and depends on your experience).