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.Currently, we are looking for a Senior Fullstack Developer (Medusa.js) - Freelance: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 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+) BenefitsIn return, we offer: 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).