Senior Full-Stack Product Engineer – Node.js & AI‑Native

About the role

Join an early‑stage product team building an innovative personal digital security solution. As a Senior Full‑Stack Product Engineer you will own backend development, infrastructure and high‑impact features from concept to launch, working closely with the Tech Lead in a lean, autonomous environment.

Key responsibilities

• Lead the full lifecycle of product features, from ideation and design through implementation, release and performance analysis.
• Build and maintain robust backend services with Node.js and TypeScript, and contribute to frontend work using React or Next.js when needed.
• Collaborate on software architecture and system design to ensure scalability and long‑term growth.
• Design, implement and evolve cloud infrastructure on AWS, emphasizing reliability, security and maintainability.
• Help create an AI‑native engineering environment that leverages AI agents and coding tools for efficient development, testing and deployment.

Required profile

• At least 4 years of backend or full‑stack engineering experience, preferably in a product‑led company.
• Strong ownership, problem‑solving and analytical skills with the ability to make independent technical decisions.
• Effective communication and collaboration with cross‑functional stakeholders.
• Experience designing architecture or building infrastructure at an early‑stage product company is a strong advantage.

Required skills

• Node.js and TypeScript
• React or Next.js with TypeScript
• PostgreSQL, Redis and REST API design
• AWS, Docker and CI/CD pipelines
• Automated testing (unit, integration, end‑to‑end)
• AI‑powered development tools such as Cursor, Claude Code or Codex

What we offer

• Competitive compensation (salary not disclosed)
• Flexible start times (8:00‑11:00 AM) and trust‑based autonomy
• 20 days annual leave, public holidays and unlimited sick leave
• Medical insurance, psychological support reimbursement and sports/fitness benefits
• Company‑provided equipment and coverage of essential tools
• Professional development budget for courses, conferences and English‑language learning