Senior Software Engineer, Developer Experience

🔥 42 minutes ago

🏄 California – Remote

🏄 California – Remote

💵 $185.2k - $326.8k / year

⏰ Full Time

🟠 Senior

🤝 Developer Relations (DevRel)

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

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Block

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 1990

💼 Consulting

📣 Marketing

💳 Fintech

Consulting • Marketing • Fintech

Block is a technology company that aims to increase access to the global economy through its various brands. Square provides commerce and financial services designed for sellers, while Cash App offers an easy platform for spending, sending, and storing money. Afterpay allows customers to manage their spending over time. Additionally, TIDAL empowers artists by providing them with tools for entrepreneurship, and Bitkey and Proto focus on bitcoin and related services. Together, these services contribute to building an open financial system accessible to everyone.

📋 Description

• Lead and execute large-scale codebase changes, including framework upgrades, language migrations, and dependency updates, with minimal disruption to product teams • Design and evolve agentic loops for AI agents to perform engineering work safely and reliably • Identify and resolve root causes of developer workflow friction, including slow builds, flaky tests, and confusing abstractions • Improve build tooling and CI performance, including work with Bazel or a comparable build system • Build guardrails, tests, and automation that make large automated changes safe to land • Partner with product engineering teams to understand pain points and measure impact • Set technical direction and mentor engineers on migration strategy, tooling, and codebase health

🎯 Requirements

• 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 • Solid understanding of agentic loops, including tool use, context management, verification, and failure handling • Genuine willingness to keep investing in and evolving agentic loops as the field changes • Strong communication skills and ability to build trust with teams whose code you’re changing • Nice to have: hands-on experience with Bazel or similar build systems, such as Buck, Pants, Nx, or Gradle • Nice to have: experience with codemods, AST-based tooling, or automated refactoring at scale • Nice to have: background in CI/CD, test infrastructure, or developer productivity metrics • Nice to have: experience building or integrating LLM-based coding tools into engineering workflows • Nice to have: open source contributions to build tools, frameworks, or developer tooling

🏖️ Benefits

• Remote work • Medical insurance • Flexible time off • Retirement savings plans • Modern family planning

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