Senior Backend Engineer (TS/Node.js) - Passwordless Auth

Framna ApS; Gdańsk; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Hybrid work model

Mentoring program

Training budget

English classes

Job summary

Framna is seeking a senior Backend Developer to join a team building a next-generation, passwordless authentication platform used by millions. You’ll work across the stack with TypeScript, Node.js, and React, taking ownership of solutions and shaping how things are built.

The role emphasizes collaboration, continuous learning, and ownership, with hybrid work in Gdańsk Wrzeszcz and a focus on delivering real value through scalable backend systems and modern web APIs.

Qualifications

• 6-8 years building digital products
• Strong knowledge of TypeScript and JavaScript
• Hands-on experience with Node.js and React
• Ownership mindset across the stack
• Experience using AI tools to support coding, testing, and docs
• Solid understanding of SQL and NoSQL databases
• Good knowledge of HTTP and REST APIs
• Willingness to occasionally work with frontend tech
• Experience with backend testing approaches/tools
• Very good communication in English and Polish

Responsibilities

• Build and maintain backend services with a focus on reliability and security.
• Own features end-to-end from conception to production.
• Collaborate across frontend, backend, and infra teams to ship value.
• Apply AI-assisted tooling to speed up coding, testing, and docs.

Skills

TypeScript

JavaScript

Node.js

React

AI tools

SQL/NoSQL

HTTP/REST

English & Polish

Job description

Framna is seeking a senior Backend Developer to join a team building a next-generation, passwordless authentication platform used by millions. You’ll work across the stack with TypeScript, Node.js, and React, taking ownership of solutions and shaping how things are built.

The role emphasizes collaboration, continuous learning, and ownership, with hybrid work in Gdańsk Wrzeszcz and a focus on delivering real value through scalable backend systems and modern web APIs.