Backend Engineer for Payment Systems

Chexy

📍 toronto, on, Canada

Full-time Other-General

Job Description

Join Chexy as a Senior Backend Engineer focused on payment infrastructure. Develop and maintain high-volume financial systems with NestJS, TypeScript, and PostgreSQL, ensuring reliability and performance.
At Chexy, you will lead payment system development within Chexy Engine, our core repository. You'll be responsible for designing scalable systems that handle billions in transactions. This role emphasizes clean coding practices, strong testing, and creating integrations across payment networks and banking systems.
Key Responsibilities:
• Build and maintain efficient payment processing systems
• Design precise ledger systems using double-entry principles
• Develop integrations with payment networks and banking systems
• Write well-tested, production-grade code in NestJS and TypeScript
• Collaborate with cross-functional teams to ship features
Requirements:
• Over 5 years of backend engineering experience
• Strong NestJS, Node.js, and TypeScript expertise