We are looking for a proactive and detail-oriented Node.js Developer with 3+ years of commercial experience to join our growing engineering team.

Project:
ERP system for a fitness club network. The main focus is upgrading and improving the payment module: updating the UI, refactoring existing services, and implementing new payment-related features.

Responsibilities:

• Develop and maintain backend services using Node.js (Express).
• Refactor and optimize the existing payment system.
• Integrate and configure Stripe payment services.
• Implement GraphQL API for client applications.
• Collaborate with the frontend team on Svelte-based UI updates.
• Deliver new features for the payment module (subscription management, billing cycles, refunds, financial operations).
• Ensure security, reliability, and scalability of payment processes.

• Write clean, maintainable code with test coverage.

Requirements:

• 3+ years of commercial experience with Node.js.
• Strong experience with Express.js.
• Hands-on experience with GraphQL.
• Proven experience integrating Stripe (or other payment systems).
• Understanding of ERP/CRM systems is a plus.
• Knowledge or experience with Svelte
• Solid understanding of microservices, REST/GraphQL API architecture.
• Experience with databases (SQL/NoSQL).
• Strong knowledge of JavaScript/TypeScript.
• English level — B2