Application Security Engineer | Senior
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.
Main Responsibilities
Ensure software design security and define secure implementation practices by syncing with teams responsible for the actual product development.
Ensure that security-related communication between technical teams involved in releasing the product is smooth (act as a “glue” between all teams so everyone’s on the same page);
Plan and manage development of security tools within the team;
Create tasks for the product's security reviews (SAST/DAST/SCA results, application security testing, etc.).
Cooperate with product teams to learn about changes introduced into the product early to make educated security decisions.
Ensure mobile/desktop applications and browser extensions are sufficiently tested.
Support internal and external audits;
Design and deliver training for security engineering awareness & adoption.
Actively look for internal security gaps within the product or organization overall.
Address security questions and give advice regarding the direction of the product's security.
Core Requirements
Proven experience in mobile/desktop applications security assessment: planning, testing, methodologies, and vulnerability reporting;
Good understanding of how networks work (OSI and TCP/IP models) with a particular focus on VPNs;
Experience working with stakeholders to define the scope of security tests and identify remediation actions to address any vulnerabilities identified;
Knowledge of secure coding practices;
Sense of ownership with strong problem-solving and investigation skills;
Experience with different OS (Linux, Android, iOS, macOS, Windows) security topics;
Ability to build and maintain relationships, influence key stakeholders across the business;
Ability to make product-related business decisions based on threats and vulnerabilities affecting it;
A healthy dose of assertiveness combined with an ability to compromise.
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 flexibili