Companies using LangChain.
LangChain is the orchestration framework for building applications on large language models, from retrieval pipelines to agents. Postings name it in AI engineer, machine learning engineer and full-stack roles building generative features.
LangChain is a pure hiring signal: nothing about it is visible from outside. A company posting LangChain roles is building LLM applications in earnest, which is the qualifier vector-database, evaluation and model vendors look for.
Companies hiring for LangChain right now
The companies with the most active postings naming LangChain on the ten boards JobsPipe collects, as of 2026-09-09. Ordered by posting volume; counts are not published. Each row links to the company’s site and to a live scan of what its public website serves.
| Company | Domain | Website stack |
|---|---|---|
| Deloitte | deloitte.com | Scan |
| Citi | citigroup.com | Scan |
| Wells Fargo | wellsfargojobs.com | Scan |
| Capgemini | capgemini.com | Scan |
| Optum | optum.com | Scan |
| EPAM Systems | epam.com | Scan |
| JPMorganChase | jpmorganchase.com | Scan |
| PwC | pwc.com | Scan |
| EY | ey.com | Scan |
| NTT DATA | careers.services.global.ntt | Scan |
| HCLTech | hcltech.com | Scan |
| Accenture | accenture.com | Scan |
| Cognizant | cognizant.com | Scan |
| UST | ust.com | Scan |
| Groupe Talents Handicap | groupe-talentshandicap.com | Scan |
Where LangChain shows up
Each chart is the split of active postings that name LangChain: which industries the employers belong to, which countries the jobs are in, and how large the employers are. Industry is the ISIC Rev.4 division of the employer, country is the job location, and size is the employer’s headcount band where it is known.
By industry
- Software and IT services24.6%
- Financial services6.8%
- Employment and staffing5.5%
- Legal and accounting2.7%
- Head offices and consulting1.9%
- Telecommunications1.4%
- Electronics manufacturing1.4%
- Scientific R&D1.2%
By country
- United States33.3%
- India23.6%
- Canada4.2%
- United Kingdom4.0%
- Brazil3.5%
- France3.4%
By company size
- 1000+ employees24.9%
- 201-1000 employees6.2%
- 1-50 employees4.5%
- 51-200 employees4.0%
How JobsPipe detects LangChain
Every posting JobsPipe collects is parsed for technology mentions. The title and description are matched against a curated lexicon of technologies and skills, and the matches are stored on the job as technology_slugs. A posting that names LangChain carries the slug langchain, and the skills_or filter on the search endpoint returns every such posting with its company, location, seniority and salary where stated.
curl -X POST https://api.jobspipe.dev/v1/jobs/search \
-H "Authorization: Bearer $JOBSPIPE_API_KEY" \
-H "Content-Type: application/json" \
-d '{"skills_or": ["langchain"], "status": "active", "limit": 24}'This is a hiring signal, not a purchase record. A company can name LangChain in a posting because it runs it, because it is migrating to or away from it, or because a candidate is expected to know it. Read the list as “companies investing hiring effort in LangChain” and it is reliable; read it as a customer list and it is not. LangChain is not something a website scan can see, so the hiring record is the only public evidence.
Every company hiring for LangChain, refreshed daily, in one API call.
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Which companies are hiring for LangChain right now?+
Deloitte, Citi, Wells Fargo, Capgemini, Optum and EPAM Systems are among the companies with the most active postings naming LangChain across the ten job boards JobsPipe collects, as of 2026-09-09. The list on this page is a snapshot; the live version is one API query with skills_or set to ["langchain"], grouped by company.
Which industries use LangChain the most?+
Among active postings that name LangChain, Software and IT services accounts for 24.6%, followed by Financial services at 6.8% and Employment and staffing at 5.5%. Industry is the ISIC Rev.4 division assigned to the employer of each posting.
What size of company hires for LangChain?+
The largest band is 1000+ employees, at 24.9% of active postings naming LangChain where the employer's headcount is known. Company size comes from the employer record attached to each posting and is unknown for a share of postings, which are excluded from the size split.
How does JobsPipe know a company uses LangChain?+
JobsPipe extracts technology mentions from each posting's title and description against a curated lexicon and stores them on the job as technology_slugs. A company appears on this page when its active postings name LangChain. It is a hiring signal, not proof of a purchase: a posting can name a technology a team is migrating away from or only wants experience with. LangChain runs behind login or inside the company's own infrastructure, so a website scan almost never sees it and job postings are the only public evidence of adoption.
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