Senior Fullstack Developer (Node.js & React)

Contract: B2B

Location: Remote within Poland

Project: Migration and modernization of a strategic B2B collaboration platform

Start: ASAP

Rate: 135 PLN/h

Key Technologies:

• TypeScript, React
• Node.js,
• PostgreSQL
• AWS
• PHP
• MongoDB

Project Overview:

Join a fast-moving product team working on a mature, business-critical B2B platform used by enterprise customers worldwide - and now ready for a complete technology overhaul.

This role is for an experienced Senior Full-Stack Developer who can comfortably operate across both legacy and modern stacks. You’ll play a key role in rebuilding the platform from the ground up using modern technologies while keeping the existing PHP-based system stable during the transition.

Responsibilities:

• Design and implement the frontend architecture using TypeScript and React.
• Build and maintain scalable backend services with Node.js and PostgreSQL.
• Maintain and extend the legacy PHP codebase during the migration.
• Collaborate closely with the team to shape UX/UI and technical direction of the new platform.
• Contribute to DevOps efforts (AWS-based) to ensure a reliable deployment pipeline.
• Take ownership of tasks across the full development lifecycle.
• Work independently and proactively in a remote-first environment.

Requirements:

• Min. 5 years of experience as a Fullstack Developer.
• Strong expertise in React, TypeScript, Node.js, and PostgreSQL.
• Ability to maintain and refactor legacy systems (PHP knowledge is a plus).
• Solid understanding of scalable architecture and cloud-based environments (AWS).
• Experience designing UX/UI from the ground up.
• Ability to work independently on a complex codebase and make tech decisions.
• Good communication skills and a pragmatic mindset.
• Fluent in Polish, with at least B2+ level of English.

Why join us?

Rite NRG is a vibrant outsourcing technology company driven by the Right People dedicated to empowering businesses through innovative software solutions. We focus on building strong partnerships and providing top-notch software solutions that drive real business growth. Our business model revolves around collaboration and delivering impactful results for our clients.

Join us, and be part of a team where great minds, Right Energy, and strong partnerships come together to shape the future of technology!

• Stable, long-term, full-time collaboration.
• Remote work within Poland and flexible working hours.
• High engineering culture with a focus on growth and learning.
• Multinational teams.
• Benefits: Private medical care, Multisport card, and workation (work for a week from Barcelona or elsewhere).