Senior Software Engineer (.NET)

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 are seeking Senior Software Engineers with deep expertise in .NET and C# to lead the design and development of mission-critical systems across client domain. You will play a key role in shaping technical strategy, driving architectural decisions 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: Leading the end-to-end delivery of complex software solutions, from requirements gathering and architecture design to development, testing, and production deployment Owning and driving long-term technical initiatives and architectural improvements across systems Collaborating closely with stakeholders to align technical solutions with business goals Championing engineering best practices, including CI/CD, automated testing, and scalable design patterns Conducting code reviews and providing technical guidance to peers and junior engineers Proactively identifying and reducing technical debt, improving system resilience, and optimizing performance Leading incident response and root cause analysis for production issues 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 professional experience in software engineering with C# and .NET Proven experience in architectural design, system scalability, and distributed systems; Financial services background would be considered as advantage; Strong knowledge of Microsoft SQL Server, including schema design, query optimization, and performance tuning; Ability to balance delivery of business value with long-term technical strategy; Excellent communication and leadership skills, with the ability to influence and drive consensus; Strong advocate for collaborative development practices and continuous improvement; Ability to work independently and drive things forward; Proficient in English, both written and verbal. Nice to have: Experience with cloud platforms (e.g., Azure or AWS) and containerization (e.g., Docker, Kubernetes). 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).