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Senior Product Developer

EngineeringSan Francisco / RemoteFull-time
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About This Role

Join us as a Senior Product Developer to build the core infrastructure powering Mentrex's autonomous coding capabilities. You'll work on cutting-edge AI agent systems, designing and implementing features that help developers ship software faster than ever before. This role combines deep technical challenges with direct product impact.

What You'll Do

  • Architect and implement core features for the Mentrex AI coding agent platform
  • Design scalable systems that handle complex code generation and analysis tasks
  • Lead technical decisions and establish best practices for the engineering team
  • Integrate and optimize LLM capabilities within the product experience
  • Collaborate with Product and Design to shape the roadmap and user experience
  • Mentor junior engineers and contribute to team growth
  • Participate in code reviews and maintain high engineering standards
  • Debug and resolve complex issues across the stack

What We're Looking For

  • 5+ years of professional software engineering experience
  • Expert-level proficiency in TypeScript and modern JavaScript ecosystems
  • Strong experience with React, Next.js, and Node.js
  • Familiarity with AI/ML integration, particularly LLM APIs (OpenAI, Anthropic, etc.)
  • Experience building developer tools, IDEs, or code analysis systems is highly valued
  • Solid understanding of distributed systems and cloud infrastructure (AWS/GCP)
  • Excellent problem-solving skills and attention to detail
  • Strong communication skills and ability to work cross-functionally

Benefits & Perks

  • Highly competitive salary ($180K - $250K) with meaningful equity
  • Choice of remote work or San Francisco office
  • Flexible working hours with async-first culture
  • Premium health, dental, and vision coverage
  • 401(k) with company match
  • $5,000 annual learning and conference budget
  • Latest MacBook Pro and equipment of your choice
  • Quarterly team offsites and annual company retreat