Freelance Senior Full Stack Developer

130 - 180 PLNNet per hour - B2B

Freelance Senior Full Stack Developer

JavaScript

Postępu 15, Warszawa +4 Locations

TeaCode S.C.

130 - 180 PLN
Net per hour - B2B
Freelance
B2B
Senior
Remote

Tech stack

    Polish

    C2

    English

    C1

    AWS

    advanced

    TypeScript

    advanced

    Node.js

    advanced

    Next.js

    advanced

    React

    advanced

    Nest.js

    regular

Job description

Project-Based | Fixed-Term Collaboration


At TeaCode, we’re expanding our network of trusted freelance developers for upcoming fixed-term, project-based collaborations.

If you’re a Senior Full Stack Developer looking for meaningful short-term projects, we’d love to hear from you! You’ll be joining us for a specific project, working alongside our in-house team to deliver modern, scalable digital solutions for international clients.

This is a great opportunity if you enjoy focused, time-boxed assignments and want to collaborate with a like-minded, fast-moving team.


Our core tech stack:

  • TypeScript
  • Next.js
  • React
  • React Native
  • Nest.js
  • Node.js
  • PostgreSQL
  • AWS
  • Docker

 

Key responsibilities:

  • Develop and maintain full-stack web applications using TypeScript and modern frameworks
  • Write clean, efficient, and well-documented code, following industry best practices
  • Collaborate with designers, developers to implement new features and improve existing functionalities
  • Deliver high-quality code within project timelines and communicate clearly with project stakeholders and external clients
  • Identify and fix bugs, optimize application performance, and ensure high reliability and scalability
  • Mentor junior and mid developers 

 

Requirements:

  • Min. 5 years of commercial experience in software development
  • Must have an extensive knowledge as well as commercial experience in Typescript, React, Next.js, and Node.js
  • Knowledge of English at min. B2+ level and fluent Polish (C1 or native)
  • Technical university degree within IT field 
  • Self motivation, willingness to learn new things and positive attitude to change
  • Good communication and teamwork skills are a must 
  • Experience in React Native would be an asset

 

What we offer:

  • A collaborative and supportive work environment
  • Engaging projects that challenge your creativity and technical expertise
  • Macbooks Pro equipment to work on
  • Coworking office space in a vibrant location of Warsaw

 

Recruitment process:

  1. HR screening (15-30 minutes)
  2. Technical interview: live coding session (1 hour)
  3. Decision

 

About us:

  • We are a software house based in Warsaw with over 50 people on board
  • We work in one programming language → JavaScript/TypeScript
  • We have clients from all over the world
  • We are really flexible in working hours
  • The atmosphere within the team is our great value
Published: 18.08.2025
Office location