True Talent Solutions Partners

Full Stack Engineer

San Francisco
Salary
$230,000 - $300,000 annually
Level
Senior
Work type
On-site · San Francisco
Visa
Sponsors visas

Open. First seen 8 November 2026.

Apply on the company's site →

About the role

About the Role

Join a team building infrastructure that helps organizations improve the reliability of AI agents in production. In this backend-leaning full-stack role, you will work closely with customers and turn real-world agent challenges into polished product capabilities.

What You'll Do

  • Build product experiences for agent investigations, evaluation workflows, trajectory debugging, verification, and replay.
  • Own problems end to end by understanding customer needs, defining solutions, shipping features, and iterating based on results.
  • Develop APIs, data models, internal systems, and user-facing product surfaces across the stack.
  • Build agent capabilities for conducting large-scale investigations across production traces.
  • Design platform systems such as workspaces, permissions, billing, usage, SDKs, and terminal-first developer tools.
  • Work directly with AI teams to understand agent failures and translate those insights into product decisions.

What We're Looking For

  • Typically 5 to 8 years of full-stack product engineering experience, with a backend emphasis.
  • Experience shipping end-to-end products with React or Next.js on the frontend and TypeScript, Python, or Node.js on the backend.
  • Ability to build polished interfaces, design clean APIs, model data effectively, and debug production issues across the stack.
  • Hands-on experience with AI agents, LLM-powered products, or agentic systems, including relevant APIs, architectures, evaluation, or debugging tools.
  • Experience influencing product decisions through engineering and working directly with customers to shape shipped solutions.
  • Strong computer science fundamentals and a track record of writing clean, consistent code.
  • Experience with developer tooling or platform features such as SDKs, CLIs, permissions, billing, or account management is useful.

Compensation & Benefits

Base salary: $230,000 to $300,000 annually. Visa sponsorship is available. Equity details were not provided.

Location

On-site in San Francisco, California, United States.

What this role asks for

Particular to this role

Next.js

Rare in True Talent Solutions Partners's other 129 open postings.

Standard for full stack roles

JavaScript · Node.js · Python · React · TypeScript

Common in full stack postings at any company.

Compared with True Talent Solutions Partners's other open jobs.

The team: Client Roles

This role is one of 130 open in Client Roles. 130 were posted in the last 30 days, including 5 lead roles: the team is hiring the people who run it too.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Python (68 of 130), LLM (45 of 130), TypeScript (39 of 130), React (37 of 130), Machine Learning (35 of 130), AWS (31 of 130), GCP (22 of 130)

OTHER ROLES ON THIS TEAM

From the team and dates on True Talent Solutions Partners's own job board.

Posting history

Reposted 7 times since 25 October 2026: a posting for this role in San Francisco was taken down and the role was posted again.

Salary context

37 other open postings titled Full Stack Engineer state a salary: median USD 150,000 to USD 200,000 a year.

See Full Stack Engineer salaries in San Francisco →

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