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December 17, 2025

Fullstack Developer Node.js+ React

Mid • Remote

$115 - $135/

Warsaw, Poland

PROJECT INFORMATION:

Client: start-up from Denmark, plaftorms handling administrative tasks for freelancers

Remote work: 100%

Project language: English

Business trips: Yes, to Denmark

Project length: 12 months contracts + prolongations

Start: ASAP

Assignment type: B2B


Summary: This role involves joining a small, agile team of developers to enhance the platform, focusing on both client-side and server-side development to improve the user experience for freelancers.


Main Responsibilities:As a Full Stack Developer, you will be responsible for creating and maintaining the systems that enable a seamless user experience:

  • Collaborate with development teams and product managers to ideate software solutions

  • Implement client-side and server-side architecture

  • Build visually appealing and responsive front-end applications

  • Develop and maintain well-functioning databases and applications

  • Create and maintain APIs

  • Test software to ensure responsiveness and efficiency

  • Debug, troubleshoot, and upgrade software as needed

  • Contribute to security and data protection best practices

  • Support mobile responsive design across the platform

  • Assist in writing technical documentation

  • Work with customer success and business teams to enhance software features


Key Requirements:

  • Proven experience as a Full Stack Developer or in a similar role

  • Experience developing web applications

  • Familiarity with the Next.js framework, including Node.js and React

  • Solid knowledge of front-end languages and libraries (e.g. Bootstrap, React, Tailwind)

  • Understanding of back-end languages (e.g. Node)

  • Experience with databases (e.g. PostgreSQL) and cloud infrastructure (e.g. AWS, Docker)

  • Strong communication and teamwork skills

  • High attention to detail and organizational abilities

  • Analytical mindset

  • Degree in Computer Science, Statistics, or a relevant field


Nice to Have:

  • Experience with agile development methodologies

  • Familiarity with DevOps tools and practices

  • Knowledge of UX/UI design principles

  • Previous experience in a startup environment


We offer:

  • Long-term cooperation.

  • Transparently built relations based on trust and fair play.

  • Co-financed benefits: Medicover card, Multisport card.