LangChain

Senior Fullstack Engineer, AI Observability & Evals Platform

LangChain
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over 1 year ago
Boston, MA, USA +2 moreSenior
H1B sponsor

Base Salary

$175k - $225k/yr

Responsibilities

  • Lead the technical architecture and implementation of key LangSmith product features.
  • Work across the Go, Python, and TypeScript stack.
  • Collaborate with product and design teams to iterate on new features.
  • Mentor and guide junior team members.
  • Drive aggressive project timelines while maintaining high engineering standards.
  • Write clean, maintainable, and well-tested code.

Requirements

  • At least five years of software engineering experience working on complex platform products.
  • Full-stack engineering experience with Go or Python on the backend and React with TypeScript on the frontend.
  • Strong understanding of database systems, particularly Postgres and Redis.
  • Experience designing and scaling APIs, preferably in a high-performance, data-intensive application.
  • Experience with AI/LLM-powered applications, developer tools, or observability platforms is a bonus.
  • Ability to communicate and collaborate with internal stakeholders and engage directly with customers.
  • Strong ownership mindset and comfort shipping quickly and iterating based on user feedback.

Benefits

  • In-person work five days per week in San Francisco
  • Medical, dental, and vision coverage
  • Flexible vacation
  • 401(k) plan
  • Meals on in-office days in the US
  • Base salary, variable compensation, equity, benefits, and perks
LangChain

About LangChain

201-500 employees

LangChain builds open-source frameworks and a commercial platform for developing, evaluating, deploying, and operating LLM-powered agents and applications. Its LangSmith suite provides observability, testing, deployment, and governance for enterprise AI workloads; customers include Nvidia, LinkedIn, Workday, and Bridgewater. Privately held and headquartered in San Francisco, the company was founded in 2022.

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