Platform Engineer - Reliability & Scale jobs in United States
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LangChain · 1 day ago

Platform Engineer - Reliability & Scale

positionNew York, NY
timeFull-time
remoteOnsite
senioritySenior Level
money$175K/yr - $225K/yr
date5+ years exp

LangChain is on a mission to make intelligent agents ubiquitous, providing an agent engineering platform and open source frameworks for developers. The role involves architecting and operating critical systems for AI observability and app deployments, focusing on scaling and reliability.

Agentic AIArtificial Intelligence (AI)DatabaseDeveloper APIsGenerative AI
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H1B Sponsor Likelynote

Responsibilities

Scale critical systems: Design and implement high throughput data-intensive systems supporting our flagship SaaS products (LangSmith and LangGraph Platform)
Drive reliability: Build monitoring, alerting, and automated recovery systems that maintain high uptime
Solve complex problems: Debug performance bottlenecks, optimize database queries, and architect solutions for distributed system challenges
Shape platform strategy: Influence technical decisions around infrastructure, tooling, and operational practices as we grow from startup to enterprise scale
Respond to incidents: Participate in on-call rotation with focus on post-incident learning, automation and prevention

Qualification

Production systems experienceDatabase expertiseInfrastructure expertiseProgramming proficiencyObservability masteryOperational mindsetColumnar formatsProficiency with analytical databasesBackground in startupsExperience in AI infrastructure

Required

5+ years building and operating production systems at scale
Production experience with OSS datastores (PostgreSQL, Redis)
Deep knowledge of Cloud Object Storage, Kubernetes, containerized infrastructure, cloud platforms (e.g. GCP)
Hands-on experience with observability stacks (Datadog, Prometheus/Grafana, OpenTelemetry or similar)
Strong hands-on software engineering skills (Python, Go, Rust)
"You build it, you run it, you own it" philosophy with the focus on sustainable practices

Preferred

Knowledge of columnar file and memory formats
Proficiency with analytical databases
Background in high-growth startups
Previous experience in AI infrastructure

Benefits

Health and dental coverage
Flexible vacation
A 401(k) plan
Life insurance

Company

LangChain

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LangChain is a platform that provides open-source frameworks and tools for engineering and deploying language model agents.
dateFounded in 2022
location
San Francisco, California, USA
people-size51-200 employees
web-link
https://www.langchain.com

H1B Sponsorship

LangChain has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (6)

Funding

Current Stage
Growth Stage
Total Funding
$160M
Key Investors
IVPSequoia CapitalBenchmark
2025-10-20Series B· $125M
2024-02-15Series A· $25M
2023-03-21Seed· $10M

Leadership Team

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Harrison Chase
Co-Founder and CEO
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Ankush Gola
Co-Founder
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Recent News

Timbr.ai
Introducing: LangChain SDK for AI Integration
2025-12-11
Geeky Gadgets
Guide Your Agent to Track Trends, Rivals, Funding, and Company Updates
2025-12-05
EIN Presswire
Large Language Model Evaluation As A Service Market to Expand at a 29.6% CAGR by 2029, Reaching US $4.88 Billion
2025-12-01
Company data provided by crunchbase