Position: Senior Backend Engineer

Location: Toronto, ON (4 days hybrid)

Contract: Long Term

About the Role

We're looking for a Senior Backend Engineer to join our team and help shape the financial future of the next generation.

You'll work closely with product and design to translate concepts into clean, production-ready code that serves thousands of users. This is an ideal role for developers who want to see their work immediately impact customers through robust backend systems.

We're seeking talented and experienced engineers who are passionate about building excellent products. We build a positive, inclusive and supportive culture focused on engineering excellence and delighting customers. We encourage you to learn and develop your skills, and we want people who obsess about quality and have a proven track record of shipping

What You'll Do

Develop and maintain backend services using NestJS and TypeScript, architecting scalable APIs that power our platform

Design, build, and maintain reusable component libraries and modules that scale across backend applications

Contribute meaningfully to architecture discussions, performance optimization, and system design

Help define and champion development best practices, leading by example and elevating team excellence

Own complex deliverables across the complete development lifecycle, from concept to production

Collaborate with the team on database design, API contracts, and technical implementation details





Contribute to DevOps and infrastructure improvements, optimizing CI/CD pipelines (GitHub Actions), deployment processes, and monitoring (Dynatrace) to enable faster, more reliable releases

Own operational excellence, ensure SLAs are met or exceeded, assist with incident response, and continuously improve our operational posture. We treat every incident as a learning opportunity

Drive automation and tooling, reduce operational overhead by building systems that improve observability, enable proactive monitoring, and scale efficiently

Collaborate across teams to build and establish tools and processes that empower everyone to make customers successful

Be comfortable being part of an on-call rotation, driving and supporting incident remediation, and recommending and implementing improvements

Required

Proven expertise in TypeScript and NestJS

Strong backend skills with PostgreSQL and TypeORM

Solid experience with testing frameworks (Jest, Vitest)

Proven track record of delivering ownership of complex, scalable systems

Deep consideration for maintainability, testability, performance, and scalability in your code

Senior-level judgment with architectural opinions and technical perspective

Payments or financial services domain knowledge

Experience with incident response, SLA management, and observability tools

Our Tech Stack

Backend/Data: NestJS, TypeORM, PostgreSQL

Testing: Vitest, Jest

CI/CD: GitHub Actions

Cloud: AWS

Monitoring: Dynatrace

📌 Senior Backend Engineer (Toronto)
🏢 apptoza
📍 Toronto