Senior Full Stack Engineer (LangSmith)

LangChain, founded in early 2023, is revolutionizing the development of context-aware reasoning applications through their open-source framework for LLM-powered applications. Their commercial product, LangSmith, is a comprehensive SaaS platform enabling end-to-end development workflow for LLM applications.

As a Senior Full Stack Engineer for LangSmith, you'll play a crucial role in shaping the technical direction of this rapidly-growing platform. The position offers an exciting opportunity to work with cutting-edge technology while collaborating directly with customers and internal stakeholders.

The role involves leading technical architecture and implementation across Go, Python, and TypeScript stacks, working closely with product and design teams, and mentoring junior team members. You'll be responsible for driving aggressive project timelines while maintaining high engineering standards.

LangChain has shown impressive growth, having 10x'd their revenue last year and secured backing from prestigious venture capitalists like Benchmark and Sequoia. Their platform is trusted by industry leaders including Airbnb, ByteDance, Klarna, Google, Meta, Home Depot, and 80+ enterprise customers.

The ideal candidate will bring 7+ years of software engineering experience, strong expertise in Go/Python and React+TypeScript, and deep understanding of database systems (Postgres, Redis). You should be comfortable with fast-paced delivery, possess excellent communication skills, and maintain a strong ownership mindset.

This San Francisco-based role offers competitive compensation ($165,000-$195,000 USD) with equity, providing an opportunity to join a high-growth company at the forefront of AI/LLM technology.