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CoefficientCoefficientSan Mateo, CA

Senior Product Engineer - US

Builds core systems for an agentic data intelligence platform, including AI agents that reason over company data, execute workflows, and generate outputs. Requires 6+ years experience across fullstack web development with focus on data-intensive apps and ownership from idea to production.

150k – 250k/yr
Hybrid6+ YOEFullstack Engineering

About the role

Responsibilities

  • Work directly with founders to define product direction, build core systems, and ship end-to-end experiences.
  • Take full ownership of problems from idea to production.
  • Build autonomous AI agents that develop context, explore data, surface insights, execute workflows, make decisions, and generate outputs like reports, dashboards, spreadsheets, and scripts.

Requirements

  • 6+ years of experience building production web applications.
  • Experience with modern web stacks (e.g. TypeScript, React, Next.js or similar).
  • Experience with backend systems and APIs (e.g. Node, Python, Flask or similar).
  • Comfortable working with data-intensive applications and distributed systems.
  • Ability to pick up new technologies quickly and move across the stack.
  • Solid understanding of performance, system design, and scalability.
  • Experience building and shipping production systems.
  • Relentlessly curious, think from first principles, move quickly, thrive in ambiguity.

Nice-to-Haves

  • Strong focus on product quality, UX, and craft.

Compensation & Benefits

  • Salary range: $150,000-250,000 (San Francisco Bay Area).
  • Medical, Dental and Vision Insurance.
  • Unlimited PTO.
  • Parental Leave.
  • 401K Plan.

Skills

TypeScriptReactNext.jsNode.jsPythonFlaskDistributed SystemsAPIsSystem Design
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