Application Security Engineer | Senior | macOS

Details

The world’s most advanced VPN, and a whole lot more.

If you’re a curious problem-solver who carves their own path, join the team behind Threat Protection Pro, the NordLynx protocol, and the fastest VPN on the planet — tools that put privacy, security, and control back in people’s hands.

Your impact: Helping millions take back control of their online security, privacy, and data.

Risk Department plays a vital role in protecting the organization, ensuring resilience and security across all operations. By assessing risks, ensuring compliance, and managing security audits, this team helps build a strong and trustworthy foundation.

Responsibilities

• Ensure software design security and define secure implementation practices.
• Determine threat models, perform risk analysis and mitigation workshops for any product change that may impact security.
• Use reverse engineering skills to discover security bugs in desktop/mobile applications, networking, and crypto components.
• Develop scripts and security automation tools to enhance application security testing processes.
• Perform application security scanning using SAST and DAST tools.
• Ensure mobile and desktop applications are sufficiently tested and support internal and external audits.
• Design and deliver training for security engineering awareness and adoption.
• Proactively identify internal security gaps within the product or organization overall.

Requirements

• Proven experience in mobile and desktop application security assessment planning, testing, methodologies, and vulnerability reporting.
• Proficiency using security scanners, fuzzers, static code analyzers, debuggers, and the ability to perform manual security code audits.
• Experience working with stakeholders to define the scope of security tests and identify remediation actions to address vulnerabilities.
• Knowledge of secure coding practices.
• Ability to quickly assimilate new technologies and tools.
• Strong sense of ownership with problem-solving and investigation skills.
• Experience with Apple OS (macOS, iOS).
• Ability to build and maintain relationships and influence key stakeholders across the business.
• Bonus: community contributions such as public CVEs, bug bounty recognition, open-source tools, blogs, etc.

Benefits

• Gross salary range: 3200-6300 EUR/month (gross).
• Hybrid workplace (office locations include Vilnius and Kaunas, Lithuania).
• Opportunity to work on high-impact products (Threat Protection Pro, NordLynx, VPN technologies) and contribute to security tooling, audits, and training.