Senior Backend Developer (Node.js) – Integration Team

💼 Senior Backend Developer (Node.js) – Integration Team📍 Location: Hybrid (Warsaw / Remote PL)💰 Salary: 18,000 – 25,000 PLN net + VAT🕒 Contract type: B2B / Employment contract

🧭 About Pay.com

Pay.com is a global payments platform helping businesses worldwide accept cards and alternative payment methods securely and seamlessly.The Integration Team builds and maintains backend APIs and services that connect new payment providers, enable smooth merchant integrations, and ensure reliable, compliant transaction processing.

🔧 Responsibilities

• Design, develop, and maintain Node.js microservices for payment integrations

• Build and optimize APIs supporting merchant onboarding

• Integrate new payment methods and providers

• Ensure systems are secure, compliant (PCI DSS / SOC2), and highly available

• Troubleshoot complex technical issues

• Mentor and support other developers on the team

💡 Requirements

• 3–4 years of backend development experience (Node.js / TypeScript)

• Strong knowledge of REST APIs, gRPC, and event-driven architectures

• Experience with payments or fintech systems is a big plus

• Ownership mindset with the ability to work autonomously

⚙️ Tech stack

Node.js • TypeScript • REST / gRPC • AWS • Kafka • PostgreSQL • Jest

🚀 What we offer

• Direct impact on the core systems powering Pay.com’s global payments infrastructure

• International team of experienced engineers

• Stable B2B or full-time cooperation

• Modern stack and engineering culture focused on code quality and reliability

Ready to join the team building the backbone of global payments?Apply now or reach out directly — we’ll be happy to tell you more about the Integration Team at Pay.com.