Product Engineer

Stealth Startup; San Francisco (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Stealth Startup is seeking a Product Engineer to own features from idea to production. You will design and develop customer-facing features, backend services, and AI-powered workflows while collaborating with designers, ML engineers, and customers to create intuitive developer experiences.

The role suits full-stack engineers who blend technical execution with product thinking and thrive in an early-stage startup.

Qualifications

• Must have at least 3+ years of full-stack software engineering experience.
• Proficiency in TypeScript, React, and backend APIs.
• Ability to own features from discovery to launch.
• Experience shipping production software end-to-end.

Responsibilities

• Build and ship full-stack product features from concept to production.
• Develop responsive frontend applications using modern web technologies.
• Design scalable backend APIs, services, and database architecture.
• Integrate LLM-powered workflows and AI features into the product.
• Collaborate with Design and ML teams to improve developer experience.
• Gather customer feedback and rapidly iterate on product improvements.
• Maintain high standards for code quality, performance, and reliability.

Skills

3+ years full-stack

TypeScript & React

Node.js or Python

REST APIs & Databases

Product ownership

System design

Problem-solving

Communication

Tools

Next.js

PostgreSQL

AWS/GCP

Git

CI/CD

Startup experience

Job description

We are looking for a Product Engineer who enjoys owning products from idea to production. You'll design and develop customer-facing features, backend services, and AI-powered workflows while collaborating closely with designers, ML engineers, and customers to create intuitive developer experiences.

This role is ideal for full-stack engineers who combine strong technical execution with product thinking and thrive in an early-stage startup environment.

Key Responsibilities

• Build and ship full-stack product features from concept to production.
• Develop responsive frontend applications using modern web technologies.
• Design scalable backend APIs, services, and database architecture.
• Integrate LLM-powered workflows and AI features into the product.
• Collaborate with Design and ML teams to improve developer experience.
• Gather customer feedback and rapidly iterate on product improvements.
• Maintain high standards for code quality, performance, and reliability.

Must-Have Skills

• 3+ years of full-stack software engineering experience
• Strong TypeScript and React
• Backend development with Node.js or Python
• Experience designing REST APIs and relational databases
• Strong product ownership and system design skills
• Experience shipping production software end-to-end
• Excellent problem-solving and communication abilities

Nice to Have

• Experience building AI or LLM-powered applications
• Next.js, PostgreSQL, and cloud infrastructure (AWS/GCP)
• Startup or developer tools experience
• Familiarity with Git, CI/CD, and modern engineering workflows

Ideal Candidate

The strongest candidates are engineers who think like product builders—they can translate customer problems into elegant technical solutions, move quickly across the full stack, and take complete ownership of features from discovery through launch.