Senior .NET Software Engineer
- Surfshark
- Vilnius, Kaunas, Lithuania
- €60,000 – €84,000
We’re building HeyPolo - a privacy-first smart location-sharing app that helps families and friends stay connected, and safe. HeyPolo is designed for meaningful connection without intrusive tracking: real-time updates, consent-based sharing, and intuitive safety features that put users in charge of their data and peace of mind.
If you’re excited by real user impact, privacy-centered innovation, and building something from scratch with a small, autonomous team, read ahead.
If you want to:
- Architect, build, and own the server-side logic of the new application;
- Lead the design and implementation of backend features and APIs using .NET/C#;
- Focus on writing clear, tested, documented code that delivers real business value;
- Ensure responsive and reliable service through scalable architecture.
And you can check off:
- Proven experience as a Senior Backend Developer, specifically with .NET/C#;
- Strong understanding of OOP, design patterns, and modern .NET frameworks;
- Experience with RESTful API design and implementation;
- Experience in building highly scalable systems;
- Proficiency with database design and management;
- Background in microservices architecture;
- Familiarity with DevOps practices;
- Excellent problem-solving skills and attention to detail;
- Strong communication skills and a team-oriented mindset.
Here’s the deal:
- Growth and learning opportunities: time dedicated to learning, conferences, online learning platforms, and books for your professional development;
- Health and wellness: we want you to feel and be your best. That's why we offer various benefits, from online workouts and a physical coach to health insurance and regular mental health checks;
- Tools of your choice: choose the technical equipment and tools you need to do your best work;
- Community and celebrations: get ready for long-lasting traditions such as yearly workation, Friday get-togethers, various team buildings and company celebrations;
- Work-life balance: We encourage working in the office, with the possibility of up to two remote days per week. Plus, with our WFA policy, you can work from almost anywhere in the world;
- More days off: additional vacation days depending on your tenure;
- Premium Surfshark accounts: for you, your family, and friends;
- Gross salary: 5000 - 7000 Eur/month. Although it may vary depending on your skills and experience.
Skills
- C++
- .NET
- RESTful API Design
- Microservices Architecture
- Database design and management
- DevOps Practices
- Scalable Systems Design





