FullStack Engineer, Observability & Evals Platform (LangSmith)LangChain, Inc • United States
FullStack Engineer, Observability & Evals Platform (LangSmith)
LangChain, Inc
- United States
- United States
Über
At LangChain, our mission is to make intelligent agents ubiquitous. We build the foundation for agent engineering in the real world, helping developers move from prototypes to
production-ready AI agents
that teams can rely on. We began as widely adopted open-source tools and have grown to also offer a platform for building, evaluating, deploying, and operating agents at scale.
Today,
LangChain, LangGraph, LangSmith, and Agent Builder
are used by teams shipping real AI products across startups and large enterprises. Millions of developers trust LangChain to power AI teams at companies like
Replit, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, Vanta, and 35% of the Fortune 500 .
With
$125M raised at Series B
from
IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures , we're at a stage where we're continuing to develop new products, growth is accelerating, and all team members have meaningful impact on what we build and how we work together. LangChain is a place where your contributions can shape how this technology shows up in the real world.
About the role:
In person 5 days/week in San Francisco
We're looking for a Fullstack Engineer to work on LangSmith, our commercial AI observability and evals platform product. In this role, you'll have the opportunity to build new features and functionality for the platform while working close enterprise customers, developer end-users and internal stakeholders. What you will do: Develop and implement key product features working across our entire Go, Python, and Typescript stack Collaborate closely with product and design teams to iterate on new features and enhance the product roadmap Drive aggressive project timelines while ensuring high engineering standards are being met by writing clean, maintainable, and well-tested code How to be successful in this role
2+ years of experience in software engineering working on complex platform products Fullstack engineering experience with Go or Python on the backend and React + Typescript on the frontend Solid understanding of database systems, particularly Postgres and Redis Experience designing and scaling APIs, preferably in high-performance, data-intensive applications Strong ownership and a "get stuff done" mindset - comfortable shipping fast and iterating based on user feedback Strong communicator with the ability to collaborate closely with various internal stakeholders and engage directly with our top-tier customers Bonus: Experience with AI/LLM-powered applications, developer tools, or observability platforms Compensation & Benefits
We offer competitive compensation that includes base salary, meaningful equity, and benefits such as health and dental coverage, flexible vacation, a 401(k) plan, and life insurance. Actual compensation will vary based on role, level, and location. For team members in the EU and UK, we provide locally competitive benefits aligned with regional norms and regulations. Annual salary range: $145,000-180,000 USD
Sprachkenntnisse
- English
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