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

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 17200-33400 PLN/Month
  
  
  
  
  

What We Offer

Innovate with industry leaders

Work alongside global experts to build world-leading cybersecurity tools, impacting millions of users around the world.

Learn & grow

Boost your skills via our extensive training programs (online and offline) & other resources. Benefit from mentorship and career-switch opportunities to grow within the company.

Hybrid work

Enjoy the flexibility with 3 office days and working from home for the remaining 2.

Work from anywhere

Recharge with a change of scenery – choose work from any location when you feel a need to power your creativity and drive.

Physical well-being

Fuel your active lifestyle with online workouts led by our Physical Well-Being experts.

Mental & emotional health

Nurture your mind with free psychologist consultations, dedicated mental health events, and premium access to top-rated wellness apps like Calm, Headspace, and Mindletic.

Premium healthcare

Receive private health insurance giving you peace of mind for your health needs.

Extra days off

Enjoy additional vacation days off as you grow with us. Plus, get extra days for sick leave, special occasions, or parenting needs.

Joyful moments – special treats

Celebrate life’s big moments with special gifts from us on your birthday, anniversary, and other major events, such as weddings or the arrival of a new family member.

Company events & team-building

Experience iconic Nord Security celebrations, team-buildings, and knowledge-sharing events, nurturing bonds that fuel our success.

Workation

Embark on a legendary company getaway abroad, filled with exciting activities, live concerts, engaging workshops, and epic time together.

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