LangChain
langchain.com
Actively hiring
LLM & Generative AI
AI Development Tools
AI Evaluation & Observability
AI Agents
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Products
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Jobs
Financials
How LangChain hires
Truth index
A 90/100
Median time to fill
72 days
Ghost roles
0%
Stale roles
18%
Reposted roles
0%
LangChain scores A on the Alion truth index (A is best, E worst), measured over 49 open roles re-checked against its own hiring board: 0% look like ghost listings, 18% have gone stale and 0% are the same role posted again. Its roles close in a median of 72 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
Overview
LangChain is an American company founded in 2023 around an open source framework of the same name that became, almost by accident, the default way developers chained language model calls into working applications. It has since built commercial products around the framework: LangSmith for tracing, evaluating and monitoring model applications, and LangGraph for building stateful agent workflows, on the argument that the hard part is not calling a model but knowing whether the result was any good. Headquartered in San Francisco and backed at a multi-billion dollar valuation, it monetises observability and orchestration rather than the framework itself.
News
What happens when you add Jev to LangChain AI agents? Explaining Vercel's "eve" integration exampleねむタイルAIとつくる実験ノート
AI agents research, think, and operate tools. While convenient, leaving everything from "what to do next" to "whether that operation is acceptable" to a single AI makes it difficult to verify.This is why "Jev," an AI model that returns short judgments, is
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Report
How We Built LangChain's Paid Media Agent
How LangChain built a paid media agent to analyze campaign performance, optimize ads, propose changes, and turn marketing data into action.
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Report
Organizing Context in a Multi-Agent Harness
Learn how context modes in deepagents help subagents fork a supervisor's context or start isolated - for faster, cheaper, more focused multi-agent work.
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Report
Managed Deep Agents is now in public beta
Deploy Deep Agents to a managed LangSmith runtime with durable execution, memory, sandboxes, channels, evals, and production-ready infrastructure.
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How we built an autonomous SRE agent for Kubernetes
Learn how LangChain built an autonomous SRE agent for Kubernetes deployments with Deep Agents, human approval for changes, LangSmith tracing, and evals.
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Report
Create a LangChain Deep Agents Harness Profile for NVIDIA Nemotron 3 Ultra to Improve Performance
Agentic systems often face a trade-off between accuracy and cost. The highest-performing proprietary frontier models and harnesses provide top accuracy but are…
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Report
LangChain and NVIDIA Launch NemoClaw Deep Agents Blueprint for Enterprise Agents
/PRNewswire/ -- LangChain today announced the NemoClaw for LangChain Deep Agents blueprint, developed with NVIDIA to help enterprises build, evaluate, and...
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Report
Tuning the harness, not the model: a Nemotron 3 Ultra playbook
We tuned an Nemotron 3 Ultra's harness to match Opus 4.8's best agent run at 8x lower cost, changing only the scaffolding around it.
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Report
We Ran a Complex Task - A LangChain Repo Analysis with Five Claude Models
A controlled experiment: one principal-engineer audit prompt, five Claude tiers, one LangChain clone. How we ran it in CTRL NODE, what Fable delivered, and why no single model wins.
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Report
The Art of Loop Engineering
Agents automate real-world work, but reliable performance requires more than a good model, it requires a carefully designed harness built for specific tasks. This post explores the core agent loop, how stacking and extending loops builds more effective ag
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Tech stack
Technologies named in job postings at LangChain over the last 12 months, by layer, with the share of postings for each.
Technologies in use
94
Postings analysed
130
Stack modernity
86/100AI adopter
Languages
Python48%
JavaScript28%
TypeScript27%
Go13%
Frameworks & libraries
React.js8%
OpenTelemetry4%
TRL3%
Transformers3%
Databases
PostgreSQL14%
Redis12%
ClickHouse8%
BigQuery2%
Cloud & platforms
Cloudflare100%
AWS33%
GCP32%
Azure32%
AI & ML
LLM48%
Claude2%
ChatGPT2%
Gemini1%
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Full LangChain tech stack
94 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$240k
Typical range
$125k – $270k
Open positions
15
15
Jobs
Junior
26.7%
Middle
6.7%
Senior
60%
Staff
6.7%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Junior | 4 | $153k | $125k – $195k |
| Middle | 1 | $185k | $185k |
| Senior | 9 | $240k | $235k – $250k |
| Staff | 1 | $270k | $270k |
Highest paying role
Software Engineering Manager, AI Observability & Evals Platform
$270k
Normalized to USD per year
All salaries at LangChain
By role, level and city, against the market · 15 jobs with pay
Products
Evaluation Datasets
Tooling for building test sets and running regression evaluation against model changes. Model providers update models continuously, so an application that worked last month can degrade with no code change at all.
langchain.com
LangGraph Platform
Hosted deployment and scaling for agent applications built on the framework. Running long-lived stateful agents in production is an infrastructure problem most application teams would rather not solve themselves.
langchain.com
LangGraph
A framework for building stateful, multi-step agent workflows with explicit control flow. Agents that loop, branch and recover from failure need structure that a simple chain of model calls cannot express at all.
langchain.com
LangSmith
Tracing, evaluation and monitoring for applications built on language models. Knowing whether an answer was good is far harder than producing one, and this is where teams discover their application is failing quietly.
langchain.com
LangChain Framework
The open source library for composing language model calls, tools and retrieval into applications. It spread because it appeared exactly when developers needed it, and that adoption is what makes the commercial products viable.
langchain.com
Growth
Hiring Momentum
66/100
Growing
Open positions
101
7 opened / 14 closed in 30 days
Median time-to-fill
65 days
faster than 20% of the market
ATS activity
Every ~3 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Sales
33% ▼
Solutions
16% ▼
Backend
10% ▲
AI/ML
8% ▼
Early Careers
8% ▲
Frontend
5%
Activity Timeline
Added ITSM to stack
Oct 2026
Added GitHub to stack
Oct 2026
Added DHCP to stack
Oct 2026
Added LookML to stack
Oct 2026
Added Looker to stack
Oct 2026
New location: United States
Sep 2026
Added TCP/IP to stack
Sep 2026
Added DNS to stack
Sep 2026
Added Machine Learning to stack
Sep 2026
Added Pytest to stack
Sep 2026
Added Playwright to stack
Sep 2026
Added k6 to stack
Sep 2026
Offices
Where the company hires and what each office is for
Cities
16
Hiring now
16
Countries
3
Busiest office
San Francisco
Loading the map
Headquarters
Builds here
Office with open vacancies
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San Francisco
United States
HQ
40 open roles 31 posted in 90 days 33% engineering 3% remote 500-1000 est. staff $212k Avg Salary
hires for Backend, Sales, Solutions
New York
United States
Engineering / R&D
27 open roles 22 posted in 90 days 41% engineering 11% remote 500-1000 est. staff $203k Avg Salary
hires for Backend, Sales, Solutions
Boston
United States
Engineering / R&D
14 open roles 10 posted in 90 days 57% engineering 21% remote 200-500 est. staff $230k Avg Salary
hires for Backend, Frontend, Solutions
London
United Kingdom
Sales office
10 open roles 6 posted in 90 days 20% remote 50-200 est. staff
hires for Sales, Marketing, Operations
Fora - Gridiron Building, 1 Pancras Sq
Washington
United States
Remote hub
6 open roles 4 posted in 90 days 83% remote 50-200 est. staff
hires for Sales, Support, Marketing
Atlanta
United States
Engineering / R&D
5 open roles 5 posted in 90 days 40% remote 50-200 est. staff
hires for Solutions, Support, Marketing
Seattle
United States
Engineering / R&D
5 open roles 2 posted in 90 days 60% remote 50-200 est. staff
hires for Solutions, Support, Marketing
Austin
United States
Sales office
4 open roles 4 posted in 90 days 75% remote 50-200 est. staff
hires for Support, Sales, Customer Success
Chicago
United States
Engineering / R&D
4 open roles 4 posted in 90 days 75% remote 50-200 est. staff
hires for Solutions, Support, Sales
Los Angeles
United States
Engineering / R&D
3 open roles 1 posted in 90 days 67% remote 50-200 est. staff
hires for Support, Marketing, Customer Success
San Diego
United States
Regional office
3 open roles 2 posted in 90 days 67% remote 10-50 est. staff
hires for Support, Marketing, Solutions
Amsterdam
Netherlands
Engineering / R&D
2 open roles 2 posted in 90 days 50% remote 50-200 est. staff
hires for Sales, Customer Success
Keizersgracht 555
Nashville
United States
2 open roles 3 posted in 90 days 50% remote 10-50 est. staff
hires for Marketing, Solutions
Charlotte
United States
Engineering / R&D
2 open roles 2 posted in 90 days 50% remote 10-50 est. staff
hires for Marketing, Solutions
Detroit
United States
Sales office
2 open roles 2 posted in 90 days 50% remote 10-50 est. staff
hires for Sales, Solutions
Cincinnati
United States
1 open roles 1 posted in 90 days 10-50 est. staff
hires for Sales
Jobs
≈ $105k – $235k per year (Estimated) • In office • Full-Time • San Francisco
Apex
LangGraph
LangChain
AI Agents
LangSmith
DevOps
GCP
AWS
Cloudflare
Management
Monday.com
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≈ $47k – $109k per year (Estimated) • Remote (United States, Singapore) • Full-Time • 4+ years exp • Singapore
Python
JavaScript
TypeScript
LangGraph
LangChain
RLHF
AI Agents
Axolotl
LangSmith
TRL
Unsloth
Transformers
Hugging Face
DPO
SFT
Post-training
DevOps
Cloudflare
Management
Monday.com
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≈ $94k – $181k per year (Estimated) • Remote (United States) • Full-Time • 6+ years exp • San Francisco • New York • Los Angeles • Chicago • San Diego
Python
TypeScript
LangGraph
LangChain
AI Agents
LangSmith
LLM
DevOps
OpenTelemetry
Datadog
Docker
Kubernetes
Cloudflare
Management
Monday.com
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≈ $101k – $206k per year (Estimated) • Remote (United States) • Full-Time • 4+ years exp • Atlanta • Austin • Dallas • Las Vegas • Nashville
Python
JavaScript
TypeScript
LangGraph
LangChain
RLHF
AI Agents
Axolotl
LangSmith
TRL
Unsloth
Transformers
Hugging Face
DPO
SFT
Post-training
DevOps
Cloudflare
Management
Monday.com
Apply
≈ $139k – $288k per year (Estimated) • Hybrid • Full-Time • 4+ years exp • San Francisco
Python
JavaScript
TypeScript
LangGraph
LangChain
RLHF
AI Agents
Axolotl
LangSmith
TRL
Unsloth
Transformers
Hugging Face
DPO
SFT
Post-training
DevOps
Cloudflare
Management
Monday.com
Apply
≈ $127k – $262k per year (Estimated) • Hybrid • Full-Time • 4+ years exp • New York
Python
JavaScript
TypeScript
LangGraph
LangChain
RLHF
AI Agents
Axolotl
LangSmith
TRL
Unsloth
Transformers
Hugging Face
DPO
SFT
Post-training
DevOps
Cloudflare
Management
Monday.com
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≈ $101k – $205k per year (Estimated) • Remote (United States) • TS/SCI • Full-Time • 3+ years exp • Washington
Python
JavaScript
LangGraph
LangChain
AI Agents
LangSmith
LLM
Replit
LLM Guardrails
DevOps
Azure
AWS
Kubernetes
Cloudflare
Cybersecurity
FedRAMP
Management
Monday.com
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≈ $118k – $244k per year (Estimated) • In office • Full-Time • 3+ years exp • Boston
Python
JavaScript
LangGraph
LangChain
AI Agents
LangSmith
LLM
LLM Guardrails
DevOps
GCP
Azure
AWS
Kubernetes
Cloudflare
Management
Monday.com
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≈ $127k – $262k per year (Estimated) • In office • Full-Time • 3+ years exp • New York
Python
JavaScript
LangGraph
LangChain
AI Agents
LangSmith
LLM
LLM Guardrails
DevOps
GCP
Azure
AWS
Kubernetes
Cloudflare
Management
Monday.com
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$175k – $240k per year • In office • Full-Time • 5+ years exp • San Francisco
Python
Go
JavaScript
TypeScript
PostgreSQL
Redis
AI/ML
LangGraph
LangChain
AI Agents
LangSmith
LLM
Frontend
React.js
DevOps
Cloudflare
Management
Monday.com
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$180k – $240k per year • In office • Full-Time • 5+ years exp • New York
Python
Go
PostgreSQL
Redis
ClickHouse
AI/ML
LangGraph
LangChain
AI Agents
LangSmith
DevOps
GCP
Azure
AWS
Cloudflare
Management
Monday.com
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≈ $139k – $288k per year (Estimated) • In office • Full-Time • 3+ years exp • San Francisco
Python
JavaScript
LangGraph
LangChain
AI Agents
LangSmith
LLM
LLM Guardrails
DevOps
GCP
Azure
AWS
Kubernetes
Cloudflare
Management
Monday.com
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