Software engineer | Mid-senior | .NET | Desktop App

NordLocker logo
Full Time
hybrid
Desktop Applications
Vilnius / Kaunas
At NordLocker, we’re building encrypted cloud storage that puts privacy first.

We make it easy to store, sync, and share files—without exposing them to anyone else. Join the team behind a zero-knowledge platform that secures people’s data from their devices to the cloud.

Your impact? Helping people safeguard their data assets—privately, securely, and on their terms.

Main Responsibilities

  • Develop and maintain our flagship Windows desktop application, tackling challenging problems few have solved before;
  • Work across the full application stack, delivering best-in-class performance, security, and user experience;
  • Collaborate closely with developers, designers, QA engineers, and a Product Owner in a highly skilled and supportive team;
  • Use Microsoft technologies and tools to extend, optimize, and improve application functionality;
  • Actively participate in planning, design discussions, code reviews, and problem-solving sessions;
  • Explore and integrate technologies beyond .NET when needed to deliver the best solutions.

Core Requirements

  • 4+ years of experience in software development as .NET(C#) Dev;
  • Deep understanding of WPF and Windows native APIs, with experience optimizing desktop applications for performance and stability;
  • Solid foundation in OOP and design patterns — you design architecture that is clean, scalable, and maintainable;
  • Experience with unit testing, dependency injection, and robust CI/CD practices;
  • Strong problem-solving skills - able to quickly understand complex codebases, identify issues, and deliver solutions.

Bonus Points For

  • Experience using Reactive Extensions (Rx) for building responsive, asynchronous workflows.

Tools You Will Use

  • Reactive Extensions (Rx);
  • WPF;
  • Windows native API.

Salary Range

  • Gross Salary 3200 - 7000 EUR/Month.

Apply for this job

Desktop Applications

Vilnius / Kaunas

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Nord Security is committed to building an inclusive workplace with a diversity of backgrounds. We welcome applications from people of all ages, gender identities, sexual orientations, racial identities, ethnicities, religious beliefs, and disability statuses. To reduce the chance of unconscious bias, you may submit your CV without a photograph or other redundant information like age or marital status.

By filling in this form you confirm that you have read and understood the Privacy Notice for Recruitment Candidates.

Our values

Our values are rooted in the actions of our people. They describe how we solve problems, make decisions, and ultimately - reach our goals as a team.

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Future shapers

Always hungry for the new big thing. Pushing the boundaries and finding innovative solutions.

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Restless achievers

There’s no impossible - an obstacle is often an opportunity. We sometimes fail, but we learn quickly and find a way to reach our goals.

amazing picture about the company values

Self-movers

We care about what happens in our company and take care of things without being asked.