Senior Staff Engineer - Tax Platform Engineering
$223,000–$278,000 year
HybridSan Francisco, California, United States
Job Summary
Design, build, and test the platform supporting tax compliance for millions of users while scaling large Ruby/Rails and TypeScript/React applications. Collaborate on complex problems with Engineering, Product, Compliance, and Operations teams to improve team productivity through new services, tools, and APIs. Build guardrails enabling safe agentic AI interaction with tax concepts to ensure accuracy and stability. Own technical strategy and roadmap for the domain, prioritizing long-term architectural investments and leading incident response improvements. Mentor engineers through pairing, code review, and knowledge sharing to elevate team capabilities.
Required Qualifications
- at least 10+ years of experience
- Experience in designing and developing robust, distributed systems using multiple general-purpose programming languages
- Experience influencing and guiding the work of multiple teams on scaling, refactoring, and optimizing legacy products
- Experience architecting, building, and testing large-scale production level code
- An aptitude and interest in bringing clarity and simplicity to complex and ambiguous problems
- Ability to communicate technical complexity and help facilitate informed tradeoffs
- Enthusiasm for a highly collaborative, test-driven environment
- Able to build maintainable, structured, well-documented code
- Experience building fault-tolerant, mission-critical software
- Experience building products in highly regulated and high risk domains
- Experience in one of these domains: Payroll, Taxes, or Compliance
- Familiar with current AI tools (LLMs, Agents) and their shortcomings / benefits
- Embeds AI in daily development workflow (scaffolding tests, summarizing docs) to measurably reduce cycle time
- Mentors engineers on effective AI usage and helps develop an AI strategy for other engineers
- Expected to work from the office on designated days approximately 2-3 days per week (or more depending on role)
Desired Qualifications
- Experience with Ruby on Rails, Typescript, and React
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