Fullstack Software Engineering Manager, Observability & Evals Platform

LangChain • San Francisco, CA

68d • $200,000 - $235,000

About The Position

At LangChain, our mission is to make intelligent agents ubiquitous. We provide the agent engineering platform and open source frameworks developers need to ship reliable agents fast. Our open source frameworks, LangChain and LangGraph, see over 90+ million downloads per month and help developers build agents with speed and granular control. LangSmith offers observability, evaluation, and deployment for rapid iteration, enabling teams to transform LLM systems into dependable production experiences. LangChain is trusted by millions of developers worldwide and powers AI teams at companies like Replit, Clay, Cloudflare, Harvey, Rippling, Vanta, Workday, and more.

Requirements

• Extensive experience in software engineering ideally working on fullstack, complex platform products
• Prior experience building and managing a team of engineers
• Strong backend experience with Go and/or Python
• Strong frontend experience with React + Typescript
• Good understanding of database systems, particularly Postgres and Redis
• Experience designing and scaling APIs ideally for high-throughput or data-intensive systems
• A “get stuff done” attitude—comfortable shipping fast and iterating based on user feedback
• Strong communication skills—able to collaborate with internal stakeholders and engage directly with customers
• Ownership mindset with a bias for action and a focus on delivering impact

Nice To Haves

• Experience building AI/LLM-powered applications, developer tools, and/or observability platforms

Responsibilities

• Lead the technical architecture and implementation of key product features for LangSmith working across our entire Go, Python, and Typescript stack
• Partner with product and design teams to build new features
• Drive aggressive project timelines while ensuring high engineering standards are being met
• Lead by example in writing clean, maintainable, and well-tested code
• Work closely with customers to understand their needs and shape the product direction

Benefits

• Competitive compensation that includes base salary and meaningful equity
• Health and dental coverage
• Flexible vacation
• 401(k) plan
• Life insurance
• Locally competitive benefits aligned with regional norms and regulations for team members in the EU and UK

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Number of Employees: 101-250 employees