Windows Engineer - Senior - NordLocker

at Nord Security

📍 Vilnius, Lithuania
📍 Kaunas, Lithuania

EUR 38,400-84,000 per year

SENIOR

✅ Hybrid

Tech Stack
Tag name is followed by "@" symbol and proficiency level value. About proficiency levels:

1-2 — basic awareness. Minimal hands-on experience, and a rudimentary understanding of the technology's purpose;

3-6 — daily use. Comfortable and regular usage, capable of handling common tasks and challenges related to the technology;

7-9 — you are an expert, you can teach others, you know all the pitfalls and tricks;

10 — exceptional knowledge, comprehensive understanding, and adeptness in all aspects of the technology, including advanced problem-solving. Think twice before claiming or demanding such level.

API @ 7 CI/CD @ 4 Design Patterns @ 6 Security @ 4 Software Development @ 6

Details

At NordLocker, we’re building encrypted cloud storage that puts privacy first. The platform makes 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.

Responsibilities

Develop and maintain the flagship Windows desktop application that works with the Windows File System.
Work across the full application stack, delivering performance, security, and user experience.
Collaborate with developers, designers, QA engineers, and a Product Owner.
Use Microsoft technologies and tools to extend, optimize, and improve application functionality.
Participate in planning, design discussions, code reviews, and problem-solving sessions.
Explore and integrate technologies beyond .NET when needed to deliver effective solutions.

Requirements

5+ years of experience in software development as a .NET/C# developer.
Solid understanding of WPF and Windows desktop application development.
Ability to work with Windows native APIs, with a focus on performance, memory management, and stability.
Good understanding of event streams, real-time data, and reactive extensions for processing data.
Solid foundation in object-oriented programming and design patterns, with the ability to design clean, scalable, and maintainable architectures.
Experience with unit testing, dependency injection, and robust CI/CD practices.
Strong problem-solving skills, including the ability to understand complex codebases, work with native APIs, and deliver solutions.

Benefits

Online and in-person training, access to Coursera and Skillshare, mentorship, and internal career opportunities.
Extra vacation days, additional sick leave, special occasion and parenting days off.
Premium private health insurance in Lithuania and Poland.
Subscriptions to Calm, Headspace, and Mindletic, plus resilience and mindfulness training and mental health events.
In-house gyms, Multisport and Urban Sport cards, online workouts, and physical well-being support.
Company workations, team-building activities, company events, and summer and winter celebrations.
The option to work from anywhere when needed.
Gifts for birthdays, work anniversaries, weddings, and new family members.
Summer camps for children and flexible parenting support.
Access to the Vilnius headquarters, including silent rooms, gyms, a game room, music room, and coffee bar.