Senior Tax Platform Software Engineer

Build scalable tax compliance platforms at Gusto using distributed systems, AI tools, and modern software engineering practices. This role is based in Gusto office locations with designated in-office days.

As a seasoned Software Engineer, you will guide projects from feature specifications through implementation and maintenance. You will help build Gusto’s Tax platform, simplify complex systems, and support payroll tax experiences for millions of people. The work spans Ruby, Rails, TypeScript, React, and cross-functional collaboration.

Key Responsibilities:

• Design, build, and test tax compliance platform capabilities
• Scale Ruby, Rails, TypeScript, and React applications
• Own technical strategy and roadmap for your domain
• Build guardrails for compliant, reliable agentic AI usage
• Mentor engineers through pairing, reviews, and knowledge sharing

Requirements:

• At least 10+ years of engineering experience
• Experience designing robust distributed systems
• Experience architecting large-scale production code
• Experience with fault-tolerant, mission-critical software
• Familiarity with AI tools, including LLMs and agents

Bring distributed systems, tax platform, and AI expertise to Gusto’s reliable payroll infrastructure for millions of people.