# Senior Software Engineer, Developer Experience at Block

- Company: Block
- What the company does: Backed by 500 Global.
- Company website: https://blockblock.io
- Type: Startups (AI role)
- Level: Senior
- Location: Bay Area, CA, United States of America
- Work setup: On-site
- Posted: 2026-10-23
- Apply by: 2026-12-07
- Apply: http://block.xyz/careers/jobs/5453094008?gh_jid=5453094008&utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/block-senior-software-engineer-developer-experience/

## About the role

Our engineers are only as effective as the tools, codebase, and workflows around them. As a Developer Experience Engineer, you’ll make our large, evolving codebase easier to build, change, and reason about, for both human developers and AI agents. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- Significant experience (typically 7+ years for Senior, 10+ for Staff) working in large, complex codebases
- Deep experience with application or platform frameworks, including upgrading them and managing their evolution over time
- Track record of leading migrations or large refactors, from planning through rollout
- Comfort navigating unfamiliar code quickly and making sound changes across many teams’ areas
- A solid understanding of agentic loops (tool use, context management, verification, failure handling) and a genuine willingness to keep investing in and evolving them as the field changes
- Strong communication skills and the ability to build trust with teams whose code you’re changing

Tags: Engineering - Developer Experience

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/block-senior-software-engineer-developer-experience/