Backend Engineer - Fintech Payments, On-site Toronto

Chexy Co.; EE. UU.; Presencial; USD 64.000 - 99.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Early equity

Toronto office

In-office 5 days a week

Descripción de la vacante

Chexy is hiring a Backend Engineer in Toronto to build payment systems in our core backend. You will work on inflows, outflows, ledgering, settlement, and banking integrations, ensuring precision and test coverage.

You'll implement production-grade TypeScript with NestJS, Prisma, and PostgreSQL, and contribute to durable, event-driven workflows that handle retries and prevent duplicates.

Formación

• 2+ years backend engineering experience with TypeScript/Node in production.
• Strong knowledge of relational databases, schema design and transactions.
• Understand idempotency and why it matters with money.

Responsabilidades

• Build and maintain payment processing across inflows, outflows, and settlement.
• Work in double-entry ledger with postings and reconciliations.
• Extend integrations with payment networks and Canadian rails.
• Write clean, tested TypeScript using NestJS, Prisma, PostgreSQL.
• Create event-driven workflows to handle retries without duplicates.
• Expose APIs for web and mobile apps via backend-for-frontend layer.
• Instrument code with Datadog traces, structured logs and alerts.
• Review code, write tests, and uphold engineering standards.

Conocimientos

TypeScript/Node

Relational databases

Idempotency

Event-driven systems

Code reviews & testing

Herramientas

NestJS

Prisma

PostgreSQL

Descripción del empleo

Chexy is hiring a Backend Engineer in Toronto to build payment systems in our core backend. You will work on inflows, outflows, ledgering, settlement, and banking integrations, ensuring precision and test coverage.

You'll implement production-grade TypeScript with NestJS, Prisma, and PostgreSQL, and contribute to durable, event-driven workflows that handle retries and prevent duplicates.