Senior Fullstack Developer (Medusa.js) - Freelance @ Netguru

Netguru; Polska; Remote; PLN 120,000 - 180,000; Part time

Job summary

A leading digital services firm is seeking a Senior Fullstack Developer (Medusa.js) for a freelance role focused on building transactional core and payment processes. The position offers 100% remote work and requires strong experience with Medusa.js, proficiency in TypeScript and Node.js, and the ability to communicate in Polish and English. The opportunity is available until the end of the year, with a rate of up to 165 PLN/h.

Benefits

100% remote work

Continuous development of skills

Collaborate with experienced developers

Qualifications

• Strong experience with Medusa.js is a must-have.
• Proficiency in TypeScript and Node.js is required.
• Hands-on experience with headless commerce systems is essential.

Responsibilities

• Build the transactional core and payment processes.
• Integrate headless commerce systems with payment systems.

Skills

Medusa.js

TypeScript

Node.js

PostgreSQL

Stripe API

English (B2+)

Polish (B2+)

Job description

Senior Fullstack Developer (Medusa.js) - Freelance @ Netguru

Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting‑edge technology, AI‑powered personalization, and world‑class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.

We are looking for a Senior Fullstack Developer (Medusa.js) - Freelance for an internal Netguru project focused on building the transactional core and payment processes.

Project details

• Internal Netguru's project
• Focus: building the transactional core and payment processes
• Start: November
• Rate: Up to 165 PLN/h
• Duration: until the end of the year
• Remote: 100%
• Geo restrictions: EU

Benefits

• 100% remote work
• Work with an experienced team of developers and continuous development of your hard and soft skills
• Dev‑friendly processes such as Continuous Integration, Continuous Delivery, Code Review, and bug bashes
• Long‑term collaboration on challenging products (FinTech, B2B software, e‑commerce and more)

Requirements

• Strong experience with Medusa.js (must‑have)
• Proficiency in TypeScript / Node.js
• Experience with PostgreSQL and Stripe API
• Hands‑on experience building and integrating headless commerce systems, deep knowledge of the Node.js ecosystem and integration with payment systems and databases
• Polish and English language on a communicative level (B2+)