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.
• Research market trends and propose innovative features to improve user acquisition, engagement and retention.
• 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, system design and technical decisions to ensure scalability and long‑term growth.
• Design, implement and evolve cloud infrastructure on AWS, ensuring reliability, security and maintainability.
• Develop an AI‑native engineering environment leveraging tools such as Cursor, Claude Code or Codex.
• Establish and improve engineering practices, including automated testing, CI/CD pipelines and development workflows.

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 abilities across cross‑functional stakeholders.
• Proactive, experimentation‑driven mindset and genuine interest in using AI to boost engineering productivity.

Required skills

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

What we offer

• Competitive compensation (salary details not disclosed)
• Career development with regular reviews, personal development plans and opportunities for professional branding.
• Learning budget for courses, conferences and English‑language training.
• Company‑provided equipment and coverage of essential tools.
• 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.
• On‑site breakfast and lunch, plus access to wellness activities such as yoga and running.