Senior Backend Engineer, LangSmith Deployments

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Наша компания

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. 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. The Deployment team builds the platform that runs AI agents in production. We design and scale the core durable execution runtime to power reliable long-running agents with resumable streaming and inter-agent protocol support. We work closely with open source and other product teams to make it easy to bring any agent from prototype to production.

О роли

We're building purpose-built infrastructure for running AI agents. Unlike traditional web apps, agents run for long durations, collaborate asynchronously with humans and other agents, and need to survive failures mid-execution. LangSmith Deployments is the runtime that makes this work, with durable checkpointing, fault-tolerant orchestration, and horizontal scaling, deployed across cloud and self-hosted environments

Чем предстоит заниматься

We're looking for a Senior Backend Engineer to work on this system. While the focus is on backend development, strong familiarity with Kubernetes (K8s), Terraform (Tf), and other DevOps tooling is highly preferred

Design distributed queue and worker systems that handle concurrent agent execution, background tasks, and multi-agent coordination across horizontally scalable infrastructure

Own core data infrastructure — state persistence, atomic job claiming, connection management, and schema evolution

Collaborate on architectural decisions, ensuring solutions are scalable and robust

Ship resumable streaming infrastructure so clients can disconnect and reconnect mid-execution without losing state

Instrument and monitor production systems — tracing, metrics, and alerting to keep the platform healthy

Participate in on-call rotations and own incident response for the runtime

Create and maintain technical documentation, including system design and operational runbooks

Contribute to and extend open-source LangGraph, which is used by thousands of developers to build agent applications

Наши требования

4+ years of professional backend engineering experience

Strong proficiency in Go and/or python

Experience with distributed systems — conensus mechanisms, queueing, state machines, and/or workflow orchestration

Experience with scaling and sharding databases in high throughput environments

Familiarity with Kubernetes, infrastructure-as-code, and at least one major cloud platform

Strong communication skills and ability to work cross-functionally on a small team

Annual salary range: $175,000-$240,00 USD

Мы предлагаем

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

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

LangChain

San Francisco, CA

ГрейдSenior

ЗанятостьПолная занятость

РегионСША

ФорматОфис

ИсточникСкрыто

Опубликовано25 февр.

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