You and the process

With a person
Anna, in-house recruiter
9 years hiring engineers
30 minutes with a real recruiter
They read your CV with you, on a call, and say where the offers are being lost.
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Early Window: Closes in
Company hidden

Full Stack Engineer

  • Office

Salary

$230,000 - 300,000/ year

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Description

About the Role

Join a team building software infrastructure that helps organizations improve the reliability of AI agents in production. You will work across product and platform engineering, with a backend emphasis and ownership from customer problem discovery through delivery.

Responsibilities

  • Build product experiences for agent investigations, evaluation workflows, trajectory debugging, verification, and replay.
  • Work with customers to understand where their agents fail, define solutions, and iterate on shipped product.
  • Develop APIs, data models, internal systems, and user-facing features across the full stack.
  • Build systems that run large-scale investigations across production traces.
  • Design platform capabilities such as workspaces, permissions, billing, usage, SDKs, and terminal-first developer workflows.
  • Partner with teams building production AI agents and turn observed issues into product decisions.

Requirements

  • Five to eight years of full-stack product engineering experience, with a backend-leaning profile and meaningful ownership across frontend and backend systems.
  • Experience shipping polished product surfaces with React or Next.js, and building backend services with TypeScript, Python, or Node.js.
  • Strong API design, data modeling, and production debugging skills; familiarity with PostgreSQL is useful.
  • Hands-on experience with AI agents, LLM-powered products, or agentic systems, including relevant tooling such as evaluation or debugging tools.
  • Ability to work directly with customers, influence product decisions, and deliver clean, consistent code in a fast-paced environment.
  • Strong computer science fundamentals or equivalent academic preparation.

Conditions

Base salary is $230,000 to $300,000 annually. Visa sponsorship is available.

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

Where you’d work

From the office

The office

Visa sponsored

About the company

Company hidden

Office in San Francisco, United States

Your chances

Still hiring, not crowded yet, and you'd be among the first.

  • 18 checks run
  • 8 good signs
  • 3 red flags

Still hiring?

11 checks

Actively hiring

In its favour4

  • Still on the company's own careers site, checked 1 h agoModerate evidence
  • Found in the last 48 hours, before the big job boardsModerate evidence
  • Specific about the basics: pay, place, level, stack and contract all statedSlight evidence
1 moreFewer
  • States its salarySlight evidence

Against it1

  • Listed for the 6th time after earlier listings of it closedModerate evidence

How crowded?

7 checks

Low

In its favour4

  • In its Early Window: not on the big job boards yetStrong evidence
  • In the office in San Francisco: only people nearby can take itSlight evidence
  • Senior level: far fewer people qualifySlight evidence
1 moreFewer
  • Asks for Next.js, which fewer than 1% of open roles doSlight evidence

Against it2

  • Sponsors visas: applicants from abroad compete for it tooSlight evidence
  • Pays more than 92% of similar roles: that draws applicantsSlight evidence

Fits Me

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  • Must-haves
Details10 facts · Role, Location, Compensation, Employment
Tech stack
  • React
  • TypeScript
  • Next.js
  • Node.js
  • Python
  • PostgreSQL
  • JavaScript
  • LLMs
Type
Full-time
Specialty
Fullstack
Region
United States
Pay period
Annual
Show 5 more factsShow less

Role

Category
Development
Specialty
Fullstack
Tech stack
  • React
  • TypeScript
  • Next.js
  • Node.js
  • Python
  • PostgreSQL
  • JavaScript
  • LLMs

Location

Work model
Office
Region
United States
Office
  • San Francisco, United States
Visa sponsorship
Sponsored

Compensation

Salary
$230,000 - 300,000 / year
Pay period
Annual

Employment

Type
Full-time

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