Senior Full Stack Engineer, People Products

Thumbtack • San Francisco, CA

4d • $179,400 - $272,800

About The Position

Thumbtack’s Business Applications org builds and operates internal systems, including Salesforce-centered workflows, admin tooling, and integrations. The team is expanding this foundation into an internal platform for AI-enabled work, with shared APIs, reusable integration patterns, and safe, auditable capabilities for business-critical actions.

The Senior Full Stack Engineer will help develop the next generation of People products and workflows. This includes building personalized People guidance, proactive support, and connected experiences that can complete approved actions. The role owns the engineering challenges of working with sensitive People information, including identity, permissions, model access, data retention, approvals, and auditability. The engineer will work closely with People Products & Data and partners across the company while contributing to the Business Applications platform.

The role owns products across the stack, from React and TypeScript through service code and data models, and helps set technical direction with non-engineering partners. The posting lists total cash compensation ranges by location: $210,800–$272,800 for certain metros; $189,600–$245,300 for specified metros and states; and $179,400–$232,100 for other U.S. locations. Actual offers may vary based on factors including job level, qualifications, skills, competencies, and proficiency.

Requirements

• At least 5 years of professional software engineering experience, including end-to-end ownership of systems from ambiguous problem through production.
• Strong full-stack skills, including React and TypeScript on the frontend and solid backend engineering skills.
• Ability to work with or learn languages used by the company, including Go, PHP, and Python.
• Working knowledge of relational and non-relational data stores such as Postgres and DynamoDB.
• Sound judgment with sensitive data, including authentication and authorization, least-privilege access, auditability, and privacy-aware design.
• Experience building internal tools or business systems and integrating with SaaS platforms through their APIs.
• Product judgment, including the ability to assess workflows, determine what to build, and identify what to cut.
• Comfort operating autonomously as the primary engineer on a product area and a track record of raising the technical bar for colleagues.

Responsibilities

• Take early People products to production and expand them into experiences that deliver personalized guidance, proactive support, and approved actions.
• Redesign workflows across Workday, Ashby, and other systems, including processes from approved headcount to open requisition and from accepted offer to onboarding.
• Build APIs and connectors, including MCP connectors, for AI tools to safely access relevant context and complete workflows on users’ behalf.
• Design permissioning for confidential People data, covering identity, person-level authorization, model inputs, retention, approvals, and audit.
• Partner with People Products & Data on instrumentation and AI evaluations to measure product quality, enforce boundaries, and improve products.
• Create reusable building blocks that enable People team members to safely build simpler tools themselves.
• Own shipped products across the stack, including React, TypeScript, service code, and data models.
• Set technical direction with non-engineering partners by shaping ambiguous problems, challenging scope, and proposing simpler approaches.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed