Senior Product Developer

Back to all positionsSenior Product DeveloperEngineering San Francisco / Remote Full-timeApply NowAbout This RoleJoin 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 stackWhat 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-functionallyBenefits & 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 retreatApply for this Role