Backend Engineer, Observability & Evals Platform (LangSmith)
LangChain
About this role
LangChain is developing an agent engineering platform and open source frameworks to make intelligent agents ubiquitous. The company offers tools for developers to build, monitor, and evaluate AI systems efficiently, supporting a large community and enterprise clients worldwide.
Skills
About LangChain
www.langchain.comLangChain is a leading platform for building and deploying reliable AI agents, providing both engineering tools and open-source frameworks for developers. It streamlines the agent development lifecycle by offering products such as LangChain, LangGraph, and LangSmith, which cater to different levels of control and complexity in agent engineering. LangChain's innovative platform is designed to support various AI models, facilitating quick iteration and integration while ensuring high performance. With robust observability and evaluation tools, LangChain empowers organizations to enhance their AI capabilities and improve operational efficiencies across diverse use cases.
Recent company news
FortuneExclusive: Early AI darling LangChain is now a unicorn with a fresh $125 million in funding
Oct 20, 2025
Sequoia CapitalLangChain: From Agent 0-to-1 to Agentic Engineering
Oct 21, 2025
TechCrunchExclusive: LangChain is about to become a unicorn, sources say
Jul 8, 2025
SiliconANGLEAI infrastructure startup LangChain reportedly raises $100M at $1.1B valuation
Jul 9, 2025
wiz.io65% of Startups from Forbes AI 50 Leaked Secrets on GitHub
Nov 10, 2025
About LangChain
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Leadership Team
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
Unlock Company Insights
View leadership team, funding history,
and employee contacts for LangChain.
Salary
$165k – $190k
per year
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