Full-Stack Engineer, AI Platform & Trusted Automation

Thumbtack; San Francisco (CA); On-site; USD 178,000 - 230,000; Full time

Job summary

Thumbtack is hiring for a Business Applications Engineer to design interfaces that empower agents, build observability tooling, and own features end to end from conception to launch. You’ll work across the stack with React and TypeScript, plus Go, PHP, and Python services, delivering reliable, scalable software for business-critical workflows.

The role emphasizes collaboration with business teams, strong product judgment, and comfort with ambiguity in a fast-growing environment.

Qualifications

• 3+ years of professional software engineering experience.
• Strong frontend skills with React and TypeScript.
• Backend experience in Go, PHP, and Python.
• Relational and NoSQL data stores knowledge.
• Sound product judgment and ability to navigate ambiguity.
• Ability to deliver in evolving environments.

Responsibilities

• Design and build the interfaces business teams use to configure agents, review their work, approve or correct actions, and understand what happened and why.
• Build observability and evaluation tooling that makes agent behavior legible — where it succeeded, where it failed, and whether a change made things better.
• Work across the stack, from React and TypeScript through service code and data models, owning features end to end through build, test, launch, and iteration.
• Partner directly with the business teams who use what you build; translate ambiguous operational problems into working software.
• Own the full lifecycle of your work, including monitoring and post-launch improvement.

Skills

Frontend proficiency (React/TypeScript

Backend engineering

Analytical thinking

Decision making

Ambiguity navigation

Collaboration

Tools

React

TypeScript

Go

PHP

Python

PostgreSQL

DynamoDB

Job description

Thumbtack is hiring for a Business Applications Engineer to design interfaces that empower agents, build observability tooling, and own features end to end from conception to launch. You’ll work across the stack with React and TypeScript, plus Go, PHP, and Python services, delivering reliable, scalable software for business-critical workflows.

The role emphasizes collaboration with business teams, strong product judgment, and comfort with ambiguity in a fast-growing environment.