Senior Fullstack Engineer

Quick Facts

• Role: Senior Fullstack Engineer
• Focus: Passwordless authentication platform using biometrics
• Work model: Hybrid with regular in-office syncs (Gdańsk, Wrzeszcz)

Description

Build a next-generation passwordless authentication platform used by millions. The platform uses advanced biometrics to secure digital identities and enable one-touch access, including document and biometric verification and configurable verification criteria.

Responsibilities

• Develop fullstack features for authentication flows and verification workflows
• Work across backend and frontend components using modern web frameworks
• Apply testing practices across both frontend and backend

Requirements

• 6–8+ years of commercial programming experience as a fullstack engineer (or similar)
• Strong understanding of TypeScript/JavaScript
• Deep experience with Node.js (NestJS) and React (Next.js)
• Solid knowledge of databases (SQL and NoSQL)
• Strong understanding of HTTP, REST APIs, and web communication patterns
• Proficiency with HTML and CSS for responsive and accessible UIs
• Knowledge of testing strategies and experience with frontend and backend testing frameworks
• Very good English and Polish (written and spoken)

Benefits

• Real ownership and influence on the products you build
• Emphasis on business value over technical perfection
• Continuous feedback, regular 1:1s, and mentoring
• Internal workshops and knowledge sharing
• Flexible working hours (start between 7:00–10:00)
• Hybrid model with regular in-studio collaboration (Gdańsk, Wrzeszcz)
• High-quality equipment (MacBook and testing devices)
• Training budget and English classes in small groups
• Private medical care and MultiSport
• Team gatherings and shared moments beyond work