Backend Developer (NestJS, Microservices)

About the role

CredPal, a financial technology company offering credit cards and investment solutions, is looking for a mid-senior Backend Engineer with strong NestJS experience and a solid grasp of distributed, event-driven systems. The role designs, builds and maintains backend services for core financial products in a microservices architecture, handling transactional data, background processing and third-party integrations.

Key responsibilities

• Build and maintain backend services with NestJS, Node.js and TypeScript, and design secure REST APIs for web, mobile and partner systems
• Implement fintech features such as wallets, transactions, cards, lending, savings and disbursements
• Integrate with payment gateways, KYC providers and banking APIs
• Develop microservices and event-driven workflows with RabbitMQ, focusing on idempotency, fault tolerance and data consistency
• Manage relational data with MySQL and document-based workloads with MongoDB; use Redis for caching and fast access
• Ensure accurate transaction records and reconciliation logic
• Containerize services with Docker, write unit and integration tests, and take part in code reviews
• Monitor service performance, collaborate with Product, Frontend, Mobile and DevOps teams, mentor junior engineers and take ownership of services from design to production

Required profile

• Minimum 4-6 years of professional backend engineering experience
• Strong production experience with NestJS
• Nice to have: fintech, payments, lending, wallets or cards experience; ledger-based systems; observability tools; high-traffic or regulated environments; mentorship or leadership experience

Required skills

• Node.js and TypeScript
• MySQL and MongoDB
• RabbitMQ and asynchronous processing
• Redis for caching or distributed locks
• Docker
• REST API design and backend security fundamentals

What we offer

• Professional development opportunities
• A collaborative and inclusive work culture
• Work with cutting-edge products and technologies
• Supportive management team