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Product Engineer

Join Cognition as a Product Engineer to build AI-driven developer tools and enhance user experiences.

Location
San Francisco
Compensation
Not disclosed
Level
mid
Type
full time

Posted by employer 1 month ago

First seen on Joblaze 3 days ago

Last verified on the company career page 1 day ago

Apply at Cognition → Save job Scanned from cognition.ai

Skills & Technologies

What you'll build

  • Own features end to end
  • Craft interfaces across IDE, web, and CLI
  • Define interaction patterns for developer-AI collaboration
  • Work on Devin and core agent infrastructure
  • Ship across IDE, web, and CLI products

Must have

  • Strong engineering skills
  • Experience with Python, TypeScript, and React
  • Genuine understanding of developer workflows

Nice to have

  • Experience building developer tools
  • Prior experience at a frontier AI lab
  • Degree from a top-tier university

AI in the day-to-day

Engineers build AI that can reason on real-world tasks.

Requirements

Education
Bachelor's degree

Not disclosed in this posting: compensation, years of experience, work arrangement, visa sponsorship.

Joblaze summary

In the role of Product Engineer at Cognition, the individual will take ownership of developing and refining user experiences across various platforms, including an IDE, web, and CLI. Proficiency in Python, TypeScript, and React is essential, along with a strong understanding of developer needs and workflows. This position is ideal for experienced engineers who can independently make product decisions and tackle complex technical challenges. Cognition's team is composed of highly skilled professionals from leading AI companies, fostering an environment focused on innovation.

Joblaze insights

  • Listed 3 days ago — first seen on Joblaze September 21, 2026. Last confirmed on Cognition's careers page September 23, 2026.
  • Python appears in 4.1% of 123 comparable mid product roles in United States; React appears in 0.8% of 123 comparable mid product roles in United States.

Quick facts

What's the tech stack?
Joblaze extracted these technologies from the posting: Python, React, TypeScript.
What seniority level is this role?
Cognition targets mid-level candidates for this position.
Is this full-time or contract?
Full-time for this Product Engineer role at Cognition.

From the original posting

Role Mission

AI coding is a more mature and competitive market than it was two years ago. User expectations have risen sharply: developers now expect first-minute magic, polished experiences, and a consistently high quality bar across every surface they touch. Meeting that bar across an IDE, a web product, and a CLI requires engineers who can own the full experience, not just the implementation.

This role exists for engineers who build with taste. You'll make product decisions, push through technical walls, and ship experiences that developers love, without waiting for a PM or designer to define the problem for you. The best product engineers at frontier AI companies are the ones who feel the gap between what exists and what should exist, and then close it. That's what we're looking for.

What You'll Accomplish

  • Ship Product and Talk to Users: Own features end to end, from the first line of code to the conversation with the developer who uses it. User feedback directly shapes what you build next.

  • Build Performant and Beautiful Experiences: Craft interfaces across our IDE, web, and CLI surfaces that feel fast, focused, and effortless. Quality is not a final pass; it's built into how you work.

  • Set the Standard for Agent UX: Define interaction patterns for how developers work alongside AI agents. This is new territory with no established playbook. You'll create the conventions that others will follow.

  • Build the Agent and Agent Harness: Work directly on Devin and the core agent infrastructure that powers it. This means building the agent loop, tool use, and the harness that lets Devin operate reliably across real-world tasks.

  • Punch Through Technical Walls: The best developer experiences often require solving hard engineering problems. You won't hand those off; you'll solve them.

  • Move Fast Across Surfaces: Ship across our IDE, web, and CLI products. Context-switch quickly and maintain a high quality bar across all of them simultaneously.

Exceptional Candidates Have Demonstrated

  • Full-stack engineering depth: Strong engineering skills with a natural instinct for product quality; you notice when something is off and you fix it.

  • Developer empathy: Genuine understanding of developer workflows, frustrations, and what delightful tooling actually feels like.

  • Python, TypeScript, and React proficiency: Experience with all three in complex, production-grade products.

  • Independent product judgment: The ability to make sound product decisions without needing extensive process or sign-off.

  • UX and Design Obsession: You sweat the details others overlook: micro-interactions, transitions, response times, empty states, because you know that magical product experiences are built from hundreds of small decisions done right.

  • Developer tools experience: Experience building developer tools, IDEs, or technical products where the user is an engineer is a strong plus.

  • Relevant industry experience: Prior experience at a frontier AI lab, applied AI company, or developer tools company; you know what good looks like in this category.

  • Degree from a top-tier university: BS, MS, or equivalent in Computer Science, Mathematics, Engineering, or a related technical discipline from a highly selective program.

Standard company text repeated across Cognition's postings is omitted here.

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