Senior Fullstack Engineer - AI Observability & Evals

Fdetimes; San Francisco (CA); Presencial; USD 175.000 - 240.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Medical coverage

Dental and vision

Flexible vacation

401(k) plan

In-office meals (US)

Descripción de la vacante

LangChain is seeking a Senior Fullstack Engineer for LangSmith, its observability and evals platform. You will shape the technical direction while working with enterprise customers, developers, and internal stakeholders.

In this role, you will lead architecture across Go, Python, and TypeScript, collaborate with design, and mentor teammates. Strong ownership and fast iteration are essential.

Formación

• 5+ years of software engineering on complex platform products
• Backend Go or Python; frontend React + Typescript
• Postgres and Redis experience
• API design for high-performance data apps
• Get stuff done and ship iteratively
• Strong communication with stakeholders and customers
• Ownership mindset
• Bonus: AI/LLM-powered apps or observability platforms

Responsabilidades

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

Descripción del empleo

LangChain is seeking a Senior Fullstack Engineer for LangSmith, its observability and evals platform. You will shape the technical direction while working with enterprise customers, developers, and internal stakeholders.

In this role, you will lead architecture across Go, Python, and TypeScript, collaborate with design, and mentor teammates. Strong ownership and fast iteration are essential.