Senior Full-Stack Developer

Quick Facts

• Role: Senior Full-Stack Developer

• Work model: 100% onsite (Warsaw, near Metro Plac Wilsona)

• Backend: Node.js (NestJS/Express)

• Frontend: React (sometimes Next.js)

• Compensation: B2B / Freelance rates

Description

As a Senior Full-Stack Developer, you will primarily build backend services with Node.js and develop frontend applications with React and TypeScript (sometimes using Next.js). You will work with databases and APIs, collaborate with design and backend teams, and mentor mid/junior developers.

Responsibilities

• Develop backend services using Node.js (NestJS/Express)

• Build frontend apps using React/Next.js and TypeScript

• Work with PostgreSQL, MongoDB, and APIs

• Collaborate with design and backend teams

Requirements

• Strong backend skills in Node.js and NestJS

• At least 5 years of experience in backend applications

• At least 2 years of experience maintaining production applications

• Solid frontend skills in React and TypeScript

• Knowledge of database and API integration

• Experience mentoring mid/junior developers

• Ability to work 100% onsite from the office near Metro Plac Wilsona, Warsaw

Nice-to-have

• Microservices and cloud deployment experience

Benefits

• Senior rate (B2B/Freelance): 120–180 PLN/h