Senior Software Engineer, Developer Experience

Block·Bay Area, CA, United States of America·Posted 29 October 2026

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About the role

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams — People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more — provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture new initiatives, and more. Every challenge creates possibilities, and we need different perspectives to see them all. Bring yours to Block. About the role More and more of our engineering work now runs through autonomous agents, and those agents can only be as effective as the tools, context, and codebase around them. As a Developer Experience Engineer, you'll build the tooling and agent workflows that let humans and agents change our largest monorepos quickly and safely. You'll own the interfaces engineers use to observe, steer, and give context to the agents working on our code. You'll also build the guardrails that keep complexity in check as those agents take on bigger changes.…

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