Senior Fullstack Developer – Build Passwordless Auth

Hub; Województwo pomorskie; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Hybrid model with in-studio collab

Private medical care

MultiSport

Training budget

English classes

Job summary

Framna is building a next-generation, passwordless authentication platform used by millions worldwide. As a fullstack developer, you will work across TypeScript, Node.js and React, taking ownership to shape how features are built and integrated with biometrics for secure identities.

You'll collaborate closely with the team, share ideas openly, and leverage AI tools to improve coding, testing and documentation.

Qualifications

• At least 6-8 years of experience building digital products as a Fullstack Developer or in a similar role.
• Strong knowledge of TypeScript and JavaScript.
• Hands-on experience with Node.js and React.
• Confidence working across the stack and taking ownership of solutions.
• Experience using AI tools to support coding, testing, documentation, and team collaboration.
• Solid understanding of databases (SQL and NoSQL).
• Good knowledge of HTTP, REST APIs, and modern web communication patterns.
• Experience with testing approaches and tools across frontend and backend.
• Very good communication skills in English and Polish.

Responsibilities

• Build the passwordless authentication platform across the full stack.
• Collaborate closely with the team, sharing ideas openly.
• Leverage AI tools to support coding, testing, and documentation.
• Take ownership of solutions and shape how features are built.

Skills

TypeScript

JavaScript

Node.js

React

AI-assisted coding

SQL/NoSQL

REST APIs

Testing

English & Polish

Job description

Framna is building a next-generation, passwordless authentication platform used by millions worldwide. As a fullstack developer, you will work across TypeScript, Node.js and React, taking ownership to shape how features are built and integrated with biometrics for secure identities.

You'll collaborate closely with the team, share ideas openly, and leverage AI tools to improve coding, testing and documentation.