Senior Fullstack Engineer, AI Observability & Evals Platform
$175k - $240k • San Francisco, CA • FullTime
Posted 1y ago
Job Location
San Francisco, CA
Tech Stack
Remote Work Policy
On-site
Employment Type
FullTime
Categories
AI Infrastructure Engineer
About the job
LangChain is seeking a Senior Fullstack Engineer to join our commercial product team for LangSmith, an observability and evals platform. In this role, you will have the opportunity to shape the technical direction of our platform while working closely with enterprise customers, developer end-users, and internal stakeholders. You will lead the technical architecture and implementation of key product features, collaborate closely with product and design teams, and mentor junior engineers. This is an opportunity to contribute significantly to a rapidly growing company with a strong foundation in open-source tools and a significant market presence.
Responsibilities
- Lead the technical architecture and implementation of key product features for LangSmith, working 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 ensuring high engineering standards.
- Write clean, maintainable, and well-tested code.
Requirements
- 5+ 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.
- Strong understanding of database systems, particularly Postgres and Redis.
- Experience designing and scaling APIs, preferably in a high-performance, data-intensive application.
- A "get stuff done" attitude, 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 customers.
- Strong ownership mindset.
- Experience with AI/LLM-powered applications, developer tools, or observability platforms is a bonus.
Benefits
- Medical, dental, and vision coverage
- Flexible vacation
- 401(k) plan
- Meals on in-office days
- Meaningful equity