Senior Technical Support Engineer

About LangChain

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. Today, our platform includes LangSmith, our open-source frameworks (LangChain, LangGraph, and Deep Agents), and the LangSmith Engine.

About the Role

We’re hiring a Senior Technical Support Engineer to lead our customer support experience for highly technical users, from AI engineers to infrastructure architects. You’ll be on the front lines helping teams debug production LLM applications and agents, improve AI observability and evaluations, and unblock critical issues.

Key Responsibilities

• Be the go-to escalation point for technical support inquiries—diagnosing issues across customer setup, LangChain products, and deployment issues.
• Work directly with engineering, operations, documentation, and product teams to resolve bugs, suggest patches, and advocate for customer needs.
• Partner with Deployed Engineering to support critical enterprise customers.
• Build and refine internal tooling, diagnostics, and runbooks for complex issue triage.
• Lead post-mortems for critical incidents and feed learnings back into product and documentation.
• Help refine KPIs for support health (MTTR, CSAT, bug recurrence) and drive continuous improvement.
• Improve documentation and knowledge articles to improve 1-to-many resources and provide proactive support.
• Mentor and coach other support engineers.

Qualifications

• 6+ years in technical support, solutions engineering, or SRE roles in deeply technical B2B environments (e.g., observability, infrastructure, data platforms).
• Expert troubleshooting skills across APIs, SDKs, distributed systems, and cloud-native stacks.
• Programming experience with Python. Bonus if you have TypeScript experience.
• Hands-on knowledge of Kubernetes and Docker.
• Comfort working with logs, traces, metrics in Datadog, and 3rd-party integrations (e.g., OpenTelemetry, LLM providers).
• Experience supporting enterprise customers and collaborating with engineering on complex escalations.
• A bias for clarity and continuous improvement: writing succinct, helpful, and accurate responses.
• High ownership and relentlessly results-oriented mindset.