Senior Backend Engineer

\*hiring on behalf of our client

Title: Senior Backend Engineer

Time: Full-Time (EST or UK hours)

Location: Remote

Compensation: $220,000/y CAD

The Company

Our client is a  startup reinventing how eCommerce brands engage customers through automated direct mail. They focus on delivering innovative solutions that allow brands to connect with their audience in a physical and automated way.

Role Overview

Our client is looking for a Senior Full Stack (Backend) Engineer who thrives on building clean, scalable systems quickly. You will play a key role in shaping the backend architecture, from API design and data pipelines to job processing and observability.

Key Responsibilities

• Design and build robust backend systems
• Architect scalable infrastructure for job processing, analytics, and event tracking
• Build internal tooling for rate limiting, quotas, and authentication
• Design, develop, and maintain APIs and backend services
• Collaborate closely with product, design, and CX to deliver exceptional features
• Optimize for performance, security, and scalability
• Write clean, maintainable, efficient code
• Stay current with emerging technologies and apply them thoughtfully

Qualifications

• 4+ years of experience building production-grade backend systems
• Skilled at writing clear, maintainable code with solid abstractions
• Confident designing databases, APIs, and infrastructure
• Experience with high-throughput systems or background job queues
• Strong sense of end-to-end ownership across code, infrastructure, tests, and monitoring
• Strong proficiency with Python and TypeScript
• Hands-on experience with AWS (ECS, SQS, Parameter Store), Docker, and GitHub Actions
• Knowledge of Postgres and Redis
• Experience with monitoring tools such as LogFire and Sentry
• Deep care for developer experience and team collaboration
• Strong computer skills and ability to adapt to new software