Senior Backend Engineer, LangSmith Deployments

LangChain
San Francisco
Workplace: OnsiteFull timeUSD 175,000 - 225,000 annuallyFunction: Software EngineeringExperience: 4+ yearsSkills: ["Go","Python","Kubernetes","Terraform","Cloud","Databases","Streaming","Distributed systems"]

We are seeking a Senior Backend Engineer to build and scale LangSmith Deployments, a runtime for AI agents. Focus on backend systems, distributed queues, stateful data infrastructure, and robust fault-tolerant orchestration with Kubernetes and Terraform. You’ll contribute to open-source LangGraph, own incident response, and help ensure scalable, resumable streaming and observability across cloud and self-hosted environments.

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FursaFursa
LangChain
LangChain
6 months ago

Senior Backend Engineer, LangSmith Deployments

✓ Verified Job

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Source: Company careers pageValidated by: Fursa AI
Last checked: 14 hours agoStatus: Live

Job Summary

We are seeking a Senior Backend Engineer to build and scale LangSmith Deployments, a runtime for AI agents. Focus on backend systems, distributed queues, stateful data infrastructure, and robust fault-tolerant orchestration with Kubernetes and Terraform. You’ll contribute to open-source LangGraph, own incident response, and help ensure scalable, resumable streaming and observability across cloud and self-hosted environments.
Location: San Francisco
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Sr. Manager level

Key Responsibilities

  • •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

Pay and Benefits

Salary: USD 175,000 - 225,000 annually
Equity and Bonus:Equity
Perks:Health InsuranceDental401kLife InsurancePaid Leave

Key Requirements

  • •4+ years of professional backend engineering experience
  • •Strong proficiency in Go and/or Python
  • •Experience with distributed systems — consensus 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
Experience:4+ yearsDistributed systemsOpen sourceAI tooling
Skills:GoPythonKubernetesTerraformCloudDatabasesStreamingDistributed systems
Tech Stack:GoPythonKubernetesTerraformCloudDatabasesStreaming

Company Brief

LangChain
Provides an open-source framework and commercial platform (LangSmith/LangGraph) for building, testing, monitoring, and deploying LLM-powered applications and agentic AI for developers and enterprises.
Industry: Developer Tools
Company Size: Medium (51 to 250 employees)
Revenue: USD 10M to 25M
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series B
Headquarters: San Francisco, United States
Founded: 2022
WebsiteLinkedIn