Senior Technical Support Engineer
About this role
We began as widely adopted open-source tools and have grown to also offer a platform for building, evaluating, deploying, and operating agents at scale.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.com, Nvidia, and Bridgewater.About the roleWe’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. You’ll also help define what world-class technical support looks like for modern AI platformsKey ResponsibilitiesBe 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.How to be successful in this role6+ 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 DockerComfort 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: you write succinct, helpful, and accurate responses and build a foundation for case deflection.High ownership — want to do what’s best for the customer and the company and are relentlessly results orientedLocation: RemoteCompensation Annual salary range: $130,000 - $195,000 USD Compensation Philosophy:We offer competitive compensation that includes base salary, variable compensation for relevant roles, meaningful equity, benefits, and perks. Actual compensation and offerings will vary based on role, level, and location. Team members in the EU, UK, and APAC receive locally competitive benefits aligned with regional norms and regulations.BenefitsBenefits include medical, dental, and vision coverage, flexible vacation, a 401(k) plan, meals on in-office days in the US and more.
What this role is, and what else it is called
Employers in the UK advertise this kind of work as IT Support Engineer, IT Support Technician, Technical Support Engineer and Support Engineer too, so it is worth searching more than one wording. It is a senior IT Support & Service Desk role in the UK, advertised without a stated working pattern, which is worth asking about.
About hiring at Langchain
Langchain has 18 other live technology roles on its careers page, across Software Engineering, Cloud & IT Infrastructure and UX, UI & Digital Design. Of those, 0% are advertised as fully remote and 11% as hybrid. Elsewhere in its adverts Langchain asks for React, PostgreSQL, AWS, Azure and Google Cloud. See all Langchain roles, salaries and stack.
How this role compares to the market
1,965 live UK roles list Python right now, from 584 employers. The median advertised salary is £80,000; 30% are advertised as remote. Browse Python roles.
713 live UK roles list TypeScript right now, from 270 employers. The median advertised salary is £80,000; 46% are advertised as remote. Browse TypeScript roles.
Senior roles make up 1,630 of the live UK IT market and advertise a median of £80,000.
Market figures are today's snapshot of live UK roles on employer careers pages; see hiring trends.
Technologies mentioned
Detected on Langchain's careers page. ProdReady Recruitment lists this vacancy as an aggregator and is not the employer; applications go to the employer's own site.