Sr. Engineer, Backend - Enterprise

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AI at Zapier At Zapier , we build and use automation every day to make work more efficient, creative, and human. So if you're using AI tools while applying here - that's great! We just ask that you use them responsibly and transparently . Check out our guidance on How to Collaborate with AI During Zapier's Hiring Process , including how to use AI tools like ChatGPT, Claude, Gemini, or others during our hiring process - and when not to. Job Posted: April 13th, 2026 Location: India | Timezone = Overlap with US East Coast hours required 3-4 days/week during ramp-up Hi there! Zapier is seeking strong Backend Engineers to join our Enterprise Integrations team located in India. This team builds and maintains critical integrations within Zapier, and partners closely with customer-facing teams to stay on the cutting edge of customer needs. This team's mission includes: Building and maintaining some of the most important integrations in the Zapier product Collaborating with Customer Success, Support, and Sales teams to understand and invest in the most relevant integrations securing our most valuable deals Ensuring continued customer satisfaction by quickly resolving any issues using these integrations We're hiring several Backend Engineers (mid and senior-level) to help grow our integration portfolio for our biggest customers. This is a highly technical, engineering-driven team where you'll build integrations, proactively improve integration features and reliability, handle API deprecations and migrations, and address any customer issues that may appear. If you love working with diverse APIs - REST APIs, OAuth flows, webhook design, state management, and API versioning and deprecations - debugging complex systems across service boundaries, and mentoring engineers while maintaining high standards for quality and craftsmanship, this is the team for you. Our Commitment to Applicants Culture and Values at Zapier Zapier Guide to Remote Work Zapier Code of Conduct Diversity and Inclusivity at Zapier About You You work through AI agents, not alongside them. Your daily development workflow is built around directing and reviewing agent-written code, not writing it by hand. You have opinions about which models to use for which tasks, you've hit real failure modes and built mitigations, and your workflow is actively evolving. Bonus: you use multi-agent patterns, enable others on your team to build faster with AI, or have scaled AI impact beyond yourself. You have deep customer empathy and thrive in the details. Zapier's integrations are the heart of the product. With a customer-centric approach, you work with your team to improve the customer experience and participate in programs to enhance our product offerings. You work close to the customer. You don't wait for product specs or UX research to tell you what to build. You pull customer tickets, talk to CSMs, review feedback, and use that context to drive what you ship. You think in milestone slices: what's the smallest thing I can get into production that moves us forward and teaches us something? You own your work and yourself. You take initiative without waiting for permission and you ship fast and share early. But you also own your mistakes, your gaps, and your role in friction, openly. You say "I don't know" and "I was wrong" out loud, early, and without shame. You hold yourself to a high standard and can articulate where you've fallen short, not just where you've succeeded. You communicate proactively in an async-first culture. You manage up and across, flagging risks, surfacing decisions, and keeping stakeholders informed without being asked. You use written artifacts, working demos, and rough prototypes as your primary communication tools, not meetings. You believe enterprise can move fast. You've seen (or are excited to prove) that shipping to enterprise customers doesn't have to mean slow, waterfall-style cycles. You know how to balance compliance, security, and rollout considerations with tight iteration loops and rapid customer feedback. You see enterprise constraints as interesting design problems, not reasons to slow down. Things You'll Do Build, evolve, and maintain enterprise-grade integrations for our highest-priority customers across REST, OAuth, and webhook-based APIs, owning the full lifecycle from design through deprecation and treating agents as first-class contributors in that lifecycle. Lead important projects from start to finish using agentic coding workflows : framing problems into agent-friendly tasks, configuring tools and context, and pairing with AI systems to generate, refactor, and migrate code while you remain accountable for correctness, safety, and long-term maintainability. Design and operate agent "harnesses" - prompts, tools, test suites, sandboxes, and guardrails - so agents can safely modify integrations at scale (for example, dependency upgrades, refactors, or bulk bug fixes) without breaking customer workflows. Wor