New opportunity

Applied AI Product Engineer

New York 5 days in-office in Flatiron District, New York City Senior

About the company

Our client is an AI-powered QA platform, backed by a top-tier startup accelerator, that builds autonomous browser agents to test websites and applications like real users. Trusted by leading e-commerce and tech brands, the company is reimagining how digital teams ship with confidence.

Mission: Don’t make your users QA your product. The company helps its customers deliver the best digital experiences possible.

Instead of brittle scripts or endless manual testing, the platform uses agentic AI that adapts to UI changes, catches real bugs, and runs tests in parallel. The company owns all of its infrastructure in-house, from the browsers that are launched to the simulators and emulators that run tests, to the UI that presents results to customers.

AI has multiplied software output, and QA is now the bottleneck: a tedious, manual problem that AI is perfectly suited to solve. Every team using AI coding tools is about to feel this pain, and the company is uniquely positioned to fix it. It is seeing explosive inbound demand, running multiple pilots every week with major brands.

Culture: A small, elite team of builders from top AI labs, leading tech companies, and former founders, shipping at a pace big companies can’t match. The team values high agency, curiosity, and a relentless focus on delighting users. Engineers are generalists who work across the entire stack, are customer-facing, and move fast with minimal hand-holding.

About the role

We’re looking for an Applied AI Product Engineer to join a small, elite team building autonomous AI agents that are transforming QA for top e-commerce brands. The company needs generalist engineers who can ship across the entire stack. You’ll own the full breadth of problems, from the browser infrastructure that powers the agents to the product UI that customers interact with daily.

The role offers unparalleled agency and ownership: you’ll ship from day one and move revenue immediately.

Responsibilities

Ship end-to-end features across the full stack, from agent infrastructure and browser orchestration to the frontend product experience.
Work directly with customers to gather feedback and turn it into product improvements within hours, helping shape product direction.
Build and iterate on AI-powered testing agents, working with LLMs and agentic systems that adapt to UI changes and catch real bugs.

Requirements

3+ years of experience in full-stack engineering using TypeScript/React.
Strong TypeScript, React, and Next.js proficiency.
Backend experience (not purely front-end).
Experience at a seed to Series B startup, ideally having seen a stage transition while there.
High agency: able to ramp up in under a month with minimal hand-holding.
Strong enthusiasm and intent to work at an early-stage startup.
Demonstrated interest in AI/LLMs through work or side projects.
CS degree or equivalent technical background, with evident technical fundamentals.
Able to work in person 5 days a week in NYC (relocation OK).
Visa transfers are OK
new H-1B sponsorship is not available.

Nice to have

Prior founding engineer or co-founder experience.
Degree from a top 30 CS program.
Infrastructure/DevOps or SRE experience.
Experience with browser automation, web agents, dev tools, or QA.

Benefits

$185K–$280K base salary.
0.1%–0.3% equity.
In-person, 5 days a week, in NYC (Flatiron). Relocation is OK
Daily lunch, snacks, and more available every day in the office (team helps choose)
High quality medical, dental, and vision coverage options (flexible depending on needs)
Paid work trials for candidates during the interview process
Compensated travel for out-of-town candidates during interviews