Senior Backend Engineer

Location: Markham, ON (Hybrid – 2–3 days onsite)

Experience: 7+ Years

Required Skills

- Strong backend development experience with TypeScript, Node.js, and NestJS
- Experience with MongoDB Atlas, schema design, JSON Schema validation, and Atlas CLI
- Hands-on experience with event-driven architectures using AWS MSK (Kafka) and Amazon EventBridge
- API-first development using REST and AsyncAPI
- Authentication using OAuth 2.0 and OpenID Connect (OIDC)
- AWS services including ECS, Lambda, MSK, EventBridge, and S3
- Solid knowledge of Git, branching strategies, pull requests, and CI/CD (GitHub Actions or similar)
- Experience building production-ready applications with logging, monitoring, tracing, and alerting
- Proficient in using AI coding tools (e.g., Claude Code, Cursor) with the ability to review, validate,



and improve AI-generated code
- Strong communication and documentation skills with experience writing clear technical specifications

Pay: $100,000.00-$140,000.00 per year

Application question(s)

- Do you have expreience in TypeScript, Node.js, and NestJS

A) Yes

B) No

- Have you used AI coding assistants such as Claude Code, Cursor, GitHub Copilot, or similar in your development workflow?

A) Yes

B) No

- Do you have experience with MongoDB Atlas, including schema design and JSON Schema validation?

A) Yes

B) No

- How many years of experience do you have in Backend development?

A) 7

B) 8+

Work Location: Hybrid remote in Markham, ON L3R 9Z7

📌 Senior Backend Engineer (Markham)
🏢 VassuTech
📍 Markham