Software Engineering Manager, AI Observability & Evals Platform

LangChain•Cambridge, MA

1d•$200,000 - $240,000

About The Position

LangChain is seeking an Engineering Manager to lead the team responsible for building LangSmith, their observability and evaluation platform for LLM applications. This role involves defining technical direction, mentoring engineers, and collaborating with product and design to deliver features that enable developers to build and deploy trustworthy AI systems with confidence. The LangSmith team focuses on observability, evaluation, and production reliability of AI systems, covering aspects like tracing, annotation, run rules, and evaluations.

Requirements

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—able to collaborate with internal stakeholders and engage directly with customers

Nice To Haves

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

Responsibilities

Build, mentor, and grow a high-performing team of engineers, fostering collaboration, ownership, and accountability
Strengthen LangChain’s engineering culture through mentorship, high-quality code, and technical excellence
Shape long-term technical direction and ensure scalability and reliability of LangSmith AI Observability Platform
Partner with product and design teams to define scope, sequence, and success criteria for key initiatives
Maintain a high bar for technical excellence while making sure the team moves with urgency and focus
Lead by example in writing clean, maintainable, and well-tested code in Go/Python and Typescript
Engage directly with customers to understand their needs and translate them into actionable product improvements