Develop and maintain Zapier’s execution engine, scaling it to handle millions of daily runs
Improve system performance, reduce latency, and strengthen failure handling
Design and implement execution primitives that power reliable automation
Collaborate across infrastructure, product, and platform teams on core system design

5+ years of professional experience developing software, including at least 2 years in a senior-level role
Strong backend experience, ideally in Python and Django and/or TypeScript and Node.js, building reliable, scalable, and observable services
Familiarity with relational databases like PostgreSQL or MySQL, and the ability to model, query, and optimize data effectively
Experience designing and consuming RESTful APIs, building event-driven systems, and working with data integrations across services
Proven ability to lead complex technical projects—owning design decisions, balancing tradeoffs, and guiding implementation across multiple contributors
You proactively coach and support teammates, foster growth through mentorship, and contribute to a culture of feedback and continuous improvement
You navigate ambiguity with confidence—able to clarify priorities, align stakeholders, and drive toward meaningful outcomes even when goals shift
You’ve used AI tooling for work or personal use—or you are willing to dive in and learn fast.

Senior Software Engineer, Workflow – Backend

Key skills