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. 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. Today, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (LangChain, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement. We have 100M+ monthly open source downloads, 6,000+ active LangSmith customers, and 5 of the Fortune 10 use LangSmith in production (+ 35% of the Fortune 500 overall), including teams at Klarna, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, Vanta, LinkedIn, Monday.
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 also help define what world-class technical support looks like for modern AI platforms Be the go-to escalation point for technical support inquiries—diagnosing issues across customer setup, LangChain products, and deployment issues. – 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., High ownership — want to do what’s best for the customer and the company and are relentlessly results oriented

Location:
Remote Benefits include medical, dental, and vision coverage, versátil vacation, a 401(k) plan, meals on in-office days in the US and more.

📌 Senior Technical Support Engineer (España)
🏢 LangChain
📍 España