Software Engineering Manager, AI Observability & Evals Platform (Boston)

The role

You will lead the team building LangSmith, an observability and evaluation platform for LLM applications. You will define technical direction, mentor engineers, and partner with product and design to deliver features for AI systems.

What you will do

• Build, mentor, and grow a high-performing team of engineers
• Strengthen LangChain’s engineering culture through mentorship and technical excellence
• Shape long-term technical direction and ensure scalability and reliability of LangSmith
• Partner with product and design teams to define scope and success criteria
• Maintain a high bar for technical excellence while moving with urgency
• Lead by example in writing clean, maintainable, and well-tested code in Go/Python and Typescript
• Engage directly with customers to translate needs into product improvements

Required qualifications

• Experience managing or tech-leading teams delivering complex full-stack products
• Strong technical background in Go/Python and React/Typescript
• Solid understanding of databases (Postgres, Redis and ClickHouse)
• Proven ability to design high throughput data-intensive systems
• Bias towards shipping quickly and learning from customers
• Strong communication skills

Nice to have

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

Benefits

• Medical coverage
• Dental coverage
• Vision coverage
• Flexible vacation
• 401(k) plan
• Meals on in-office days in the US

About the company

LangChain builds the foundation for agent engineering, offering open-source tools and a platform for building, evaluating, deploying, and operating AI agents at scale.