Senior Full Stack Developer (Node.js + React)

4 194.77 - 4 893.89 USDNet per month - B2B
3 355.81 - 3 915.11 USDGross per month - Permanent
JavaScript

Senior Full Stack Developer (Node.js + React)

JavaScript
Gdańska 130, Łódź +4 Locations

DataArt

Full-time
Permanent, B2B
Mid
Remote
4 194.77 - 4 893.89 USD
Net per month - B2B
3 355.81 - 3 915.11 USD
Gross per month - Permanent

Job description

Client


Our client is a US‑based nonprofit organization developing an educational platform that supports students in learning computer science and building coding projects. The platform provides curriculum materials, teaching tools, progress tracking, collaboration features, and portfolio‑building capabilities. The mission of the platform is to help close the gender gap in the tech industry.


Project overview


The project is live and has been actively developed for over 5 years, with continuous feature enhancements and security improvements. All development is carried out on our side.


Position overview


We are looking for a Strong Middle/Senior Full Stack Developer (Node.js + React.js) to join our dynamic team. You will be involved in the design, development, and optimization of both frontend and backend functionality, working closely with a cross‑functional team on a long‑term product.


Responsibilities

  • Develop and maintain platform features using Node.js, React.js, and NestJS

  • Participate in system design, architecture discussions, and technical decision‑making

  • Improve platform performance, scalability, and security

  • Implement integrations with third‑party systems (e.g., Salesforce, Contentful)

  • Work closely with product managers, designers, and QA to deliver high‑quality features

  • Write clean, maintainable, and well‑tested code

  • Participate in code reviews and provide constructive feedback to the team

  • Contribute to DevOps processes using AWS, Docker, and CI/CD tools

  • Troubleshoot, debug, and resolve technical issues in both frontend and backend components

  • Support continuous enhancement and modernization of the long‑running project


Requirements

  • 4+ years of professional software development experience

  • 4+ years of hands‑on experience with JavaScript for frontend development

  • Strong knowledge of: React.js, Node.js, NestJS

  • Experience with PHP

  • Experience working with AWS and Docker

  • Experience with MySQL

  • Confident use of Git


Nice to have

  • Solid understanding of Kubernetes

  • Experience with GraphQL

  • Familiarity with Jenkins and CI/CD automation

  • Experience integrating with Salesforce and Contentful

Tech stack

    English

    B2

    JavaScript

    advanced

    React.JS

    advanced

    nestJS

    advanced

    Node.js

    advanced

    MySQL

    regular

    Docker

    regular

    PHP

    regular

    Git

    regular

    AWS

    regular

    GraphQL

    nice to have

Office location

Published: 04.02.2026

Senior Full Stack Developer (Node.js + React)

4 194.77 - 4 893.89 USDNet per month - B2B
Summary of the offer

Senior Full Stack Developer (Node.js + React)

Gdańska 130, Łódź
DataArt
4 194.77 - 4 893.89 USDNet per month - B2B
3 355.81 - 3 915.11 USDGross per month - Permanent
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