Nord Security
Nord Security
1,001 – 5,000 Employees
B2BCybersecuritySaaS
Nord Security develops subscription software for digital privacy and cybersecurity across consumer and business use cases. Its portfolio includes NordVPN for private browsing and threat protection, NordLayer for business network security, NordPass for password management, NordLocker for encrypted cloud storage and sharing, Coveron for identity theft protection, and Saily for secure eSIM connectivity while traveling. The company operates across cybersecurity, SaaS, and B2B markets, with products centered on encryption, online privacy, secure access, data protection, and identity monitoring.

Mid-Senior Windows Engineer (C#/.NET) – Warsaw Hybrid

Develop and maintain .NET applications and Windows system components for Nord Security’s B2B cybersecurity products. Work across Windows APIs, networking, drivers, and services to deliver secure product features.

Description

  • Design, develop, and maintain Windows applications and system components spanning services, IPC, networking, GUI, APIs, and drivers
  • Partner with designers, QA, and the Product Owner to expand and improve product functionality
  • Contribute throughout the development lifecycle, from initial technical discussions to final delivery
  • Lead features from research through release by developing clean, maintainable code and owning delivery
  • Help guide architectural decisions and influence the product’s technical direction

Requirements

  • At least 3 years of experience developing Windows applications with .NET
  • Strong working knowledge of the Windows API
  • Experience with multithreading, inter-process communication, and memory management
  • Advanced debugging and troubleshooting capabilities
  • Practical experience with Windows debugging tools
  • Experience working with Agile methodologies and Git
  • Professional proficiency in English
  • Working knowledge of TCP/IP, UDP, and other networking protocols
  • Working knowledge of VPN technologies such as OpenVPN, WireGuard, and IPSec
  • Understanding of network security principles
  • Understanding of security best practices
  • Demonstrated commitment to developing secure software

Benefits

  • Training, mentoring, and opportunities for professional growth
  • Additional vacation days, sick leave, and personal time off
  • Fully covered private health insurance in Lithuania and Poland
  • Free Calm, Headspace, and Mindletic subscriptions
  • Resilience and mindfulness training programs
  • In-house gyms, sports cards, online workouts, and personal guidance
  • Company-wide international trip
  • Flexible options to work from the location that supports your focus
  • Gifts for birthdays, weddings, and new family members
  • Children’s summer camps and flexible scheduling
  • Team-building activities and company events
  • Access to Vilnius headquarters facilities, including a coffee bar, open gyms, children’s room, music room, and massage chairs

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