Application Security Engineer | Senior
Secure Nord Security's VPN and mobile/desktop applications by defining security practices and managing SAST/DAST tools.

Vilnius, GB · Founded 2012 · 1001-5000 staff
Nord Security is the leader in the field of online privacy and security.
Roles based in: Vilnius, Warsaw
Builds in: Security · AI/ML · Infrastructure · TravelTech
Hiring engineering roles here since April 2026
Curated from live Nord Security postings. Click any role for the full brief.
Secure Nord Security's VPN and mobile/desktop applications by defining security practices and managing SAST/DAST tools.
Build full-stack AI-native features for Saily's mobile/web apps using Go, Next.js, and modern cloud stacks.
Build and maintain high-quality backend services for Saily's mobile data platform using Go, Kafka, MySQL.
Build and maintain a global iOS app using Swift/SwiftUI for millions of users.
Manage and improve globally distributed VPN/DNS services using Linux kernel tuning and advanced networking.
Build and own security backend services (breach detection) using PHP/Go for Nord Security's B2B cybersecurity platform.
Design and develop highly scalable microservices for Nord Security's Threat Protection Pro using Go, PHP, MySQL, Redis.
Build scalable cybersecurity products using PHP and microservices for global B2B clients.
Develop advanced threat protection features for NordVPN using C++ and Swift.
Lead and grow an engineering squad building secure mobile data solutions for millions globally.
Build and maintain internal infrastructure services for millions using Python, Bash, Ansible, Kafka, OpenSearch.
Build and maintain APIs for Threat Protection Pro using PHP/Golang, handling millions of users' security.
Design and maintain data curation services for Threat Intelligence using Python, Kafka, and AWS.
Develop advanced threat protection features for NordVPN using C++ and Swift/C#.
Develop Android features for NordVPN using Kotlin and Jetpack Compose.
Build and maintain high-scale mobile data services using Go, Kafka, MySQL, and AWS for millions of users.
Design and develop secure microservices for identity theft protection using Go, MySQL, Kubernetes.
Design and implement test automation frameworks for Saily's mobile/web apps using Playwright and TypeScript.
Develop and maintain iOS applications for NordLocker's zero-knowledge encrypted cloud storage platform.
Design and maintain data curation services for Threat Intelligence using Python, Kafka, and AWS.
Develop threat protection features for NordVPN using C++ and related technologies.
Design and develop secure microservices for identity theft protection using Go, MySQL, Kubernetes.
Own end-to-end iOS development for Nord Security's identity theft protection platform using Swift and SwiftUI.
Build a secure Enterprise Web Browser from scratch using Go and Chromium for global cybersecurity.
Develop identity theft protection features for Coveron using Kotlin and Jetpack Compose.
No longer open on Nord Security's site. Kept for reference — saved archived roles stay in your dashboard.
Build distributed pricing infrastructure for millions of users at NordVPN.
Engineer resilient backend microservices for NordVPN's core security platform.
Own marketing data pipelines and dbt models at Saily.
Build PHP APIs for 11K+ global companies at NordLayer.
Drive multi-platform test automation for a global eSIM product at Saily.
Own application security across VPN and consumer products at Nord Security.
Build payment systems for Nord Security's global users.
Build advanced VPN and cybersecurity tools for millions of users.
Build cybersecurity products for businesses, empowering them to protect data and systems.
Build a digital guard against fraud and scams for NordProtect.
Lead Windows app engineering for NordVPN, securing millions of users' online privacy and control.
Build scalable cybersecurity for businesses with NordLayer, protecting millions globally.
Build a password manager for 7M+ users, securing digital lives with scalable, secure PHP microservices.
Build AI-native mobile products for 100M+ travelers at Saily.
Build scalable backend services in Go for Nord Security's cybersecurity tools.
Build AI-powered travel connectivity solutions for millions of users at Saily.
Automate and improve Nord Security's cloud infrastructure and CI/CD.
Build and own backend security services for NordPass, a password manager used by millions.
Build AI-native travel connectivity solutions for millions of Saily users.
Build AI-powered travel connectivity solutions for millions of users at Saily.
Build AI-powered travel connectivity solutions for millions of users at Saily.
Build secure, agile software development infrastructure for Nord Security's global cybersecurity solutions.
Build NordVPN Threat Protection, enhancing user security and privacy against online threats.
Build data pipelines and analytics tools for Nord Security's global cybersecurity products.
Develop NordVPN's Android app using Kotlin, MVVM, and reactive libraries.
Build and manage a global VPN infrastructure for millions of users.
Build scalable B2B microservices for Nord Security's global cybersecurity tools.
Build secure web applications and crypto services for millions of users at Nord Security.
Build NordVPN Windows app quality, ensuring privacy for millions.
Build a top-tier VPN service for Nord Security's global users.
Automate cybersecurity testing for NordLayer, protecting 11,000+ businesses globally.
Build a dark web monitoring platform for businesses to outsmart cyber threats.
Build advanced VPN infrastructure for millions of users at Nord Security.
Build advanced VPN and cybersecurity tools for millions of users.
Build AI-native mobile data solutions for global travelers at Saily.
Build a blazing-fast travel connectivity platform for millions of users.
Build data pipelines for Nord Security's global cybersecurity tools, impacting millions of users.
Build a dark web monitoring platform to help businesses outsmart cyber threats.
Build and maintain microservices for in-app notifications at Nord Security.
Build and scale NordVPN's internal platform for millions of users, driving developer productivity and online security.