Windows Engineer | Senior | NordLocker at Nord Security (Vilnius, Lithuania)
Nord Security· Vilnius, Lithuania·
Role details
Nord Security at a glance
Nord Security is a global provider of digital security and privacy solutions for individuals and businesses, best known for its flagship product NordVPN.
Nord Security is a Lithuanian cybersecurity company that sells digital privacy and security as a family of consumer and business apps, best known for its flagship VPN, NordVPN. Its suite spans VPN, password management, encrypted storage, business network access, threat intelligence, eSIM, and identity theft protection.
$209M raised · latest: Growth · $100M · Sep 2023 (led by Warburg Pincus, at a $3B valuation) · backed by Warburg Pincus, Novator, Burda Principal Investments
Job description
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 that works with Windows File System;
- 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
- 5+ years of experience in software development as .NET(C#) Dev;
- Solid understanding of WPF and creating Windows desktop applications;
- Ability to work with Windows native APIs, with focus on performance, memory management and stability;
- Good understanding of event streams, working with real time data and using reactive extensions to process it;
- 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, work with native APIs, and deliver solutions.
What We Offer
- Sharpen your edge: training, mentorship, and room to grow — always.
- Take the time you need: extra vacation days, sick days, and time off when life calls.
- Get premium healthcare: private health insurance in Lithuania and Poland — fully covered.
- Protect your peace: enjoy free subscriptions to Calm, Headspace, and Mindletic, and our own resilience and mindfulness trainings.
- Own your fitness: in-house gyms, sport cards, online workouts, and personal guidance — on us.
- Pack your bags for workation: experience our company-wide trip abroad to the fullest.
- Work from anywhere: work from wherever keeps you in the zone.
- Celebrate your milestones: birthdays, weddings, and new family members — all deserve a gift.
- Parent with ease: children’s summer camps and flexibility around the schedule — because parenting never pauses.
- Join the party: team building and company events people talk about for months.
- Unlock Cyber City: coffee bar, open gyms, kids’ room, music room, massage chairs — our Vilnius HQ is yours to enjoy.
Kindly refer to our Privacy Notice for Recruitment Candidates for comprehensive information regarding our data handling procedures throughout recruitment processes. We expect all candidates to provide accurate and complete information during the recruitment process. While limited use of AI tools to refine application materials is acceptable, candidates remain fully responsible for ensuring that their submissions reflect their own qualifications, skills, and experience. Any failure to do so may negatively affect participation in the recruitment process. If broader AI assistance is allowed for a particular role or stage, we’ll let you know in advance. By submitting your application, you acknowledge that it may be processed using automated tools for evaluation purposes. As part of our recruitment process, we may use an AI-based application review tool to help assess applications based on skills and experience relevant to the role. This technology is used to support - not replace - human decision-making, and every application is ultimately reviewed by a recruiter. If you would like more information about how AI is used in this process or wish to exercise your rights under applicable data privacy laws, please contact us at privacy@nordaccount.com. Should you prefer to opt out of the automated evaluation, please submit your application directly to career@nordsec.com.
Why work at Nord Security
- Culture values: “Restless achievers,” “Self-movers,” “Team players,” “Future shapers” – entrepreneurial and ownership-driven environment.
- Work flexibility: “Work from anywhere” policy – employees can work remotely or from global offices.
- Perks & benefits: Private health insurance, free psychologist consultations, premium wellness apps (Calm, Headspace), 24/7 gym access, extra annual leave and sick days, extensive training & mentorship programs.
- Engineering culture: Large technical team (668 employees in technical roles), opportunities to work on cutting-edge cybersecurity tools impacting millions of users.
- Employee satisfaction: 4.4/5 on Glassdoor (80% would recommend to a friend); strong work-life balance (4.5) and career opportunities (4.3).