Senior Python Engineer, Integrations (Toronto)

About the Role Fulfil is hiring a Senior Python Engineer in Toronto to become a key technical partner for our North American customers, our India‑based engineering team, and our Product Lead for Integrations. This is not a narrow implementation role. You will work across product engineering, integrations, support, implementation, and customer‑facing technical problem‑solving. Fulfil does not operate with a traditional product management layer, so our best engineers are expected to think deeply about the customer problem, make sound product judgments, and build solutions that scale. You will own integrations (3PLs, carriers, sales channels, and merchant‑specific operational logic) end‑to‑end: scoping, designing, building, reviewing, deploying, supporting, and improving production systems used by high‑growth commerce brands. This is a high‑autonomy role for someone who wants to be close to the business, the code, and the customer. Why This Role

Matters Fulfil’s mission is to bec...