Senior Backend Engineer (Hybrid - Toronto, 2 days/week)

Team: Platform Engineering

Type: Full-Time

We’re building the API layer behind hundreds of AI-powered workflows that marketers rely on every day. This is foundational work—powering everything from performance analytics to intelligent automation—and we need a backend engineer who can scale systems rapid and clean.

You’ll be joining at a high-leverage moment. We’re post-Series B and shifting from 6 to 100+ workflows. The platform is growing rapidly, and the backend is core to how we deliver speed, accuracy, and scale.

What You'll Do
Design and implement backend systems and APIs used across multiple product lines
Build integrations with major platforms (e.g. Meta, Google) to unlock high-volume data pipelines
Optimize performance, reliability, and throughput of existing infrastructure
Work closely with frontend, data, and product teams to ship end-to-end features
Push architectural decisions and shape engineering practices across the platform

What You Bring




10+ years building backend systems in production environments
Deep experience with Node.js, TypeScript, and scalable API design
Expertise with asynchronous systems and message queues
Experience with third-party integrations, especially marketing APIs
Bonus: experience applying AI/ML tooling (like OpenAI) in real products
Clear communication and ability to work across disciplines
Track record of building in rapid-paced, lean environments

Example Projects
Unified analytics API for internal and external data consumers
Scalable infrastructure for ingesting and processing large volumes of marketing data
Systems to trigger dynamic workflows based on real-time performance signals

Why This Role
Direct ownership over critical infrastructure
Big tech problems without big tech bureaucracy
$150K–$220K CAD base + equity
Hybrid setup: 2 days/week near Union Station, Toronto
Rapid-moving team with explicit product-market fit

📌 Senior Backend Engineer Toronto
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📍 Toronto