Senior Fullstack Software Engineer, AI Observability & Evals Platform (NY)
$180k - $240k • San Francisco, CA • FullTime
Posted 14h 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 their commercial product, LangSmith, an observability and evals platform. This role offers the chance to influence the platform's technical direction while collaborating with enterprise customers, developer end-users, and internal teams. You will be instrumental in shaping how AI technology is implemented in the real world.
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.
- Bonus: Experience with AI/LLM-powered applications, developer tools, or observability platforms.
Benefits
- Medical, dental, and vision coverage
- Flexible vacation
- 401(k) plan
- Meals on in-office days in the US
- Meaningful equity
- Variable compensation for relevant roles