# Companies using AWS OpenSearch

We found 12,871 companies that use AWS OpenSearch. 7,753 of them name it in their own job posts, and the rest through employees' public profiles. Its share of job posts is growing, and 13,065 job posts named it from October 2025 to August 2026. Software Engineer is the role that names it most often.

Data as of November 9, 2026. Source: Sumble.

## Which companies name AWS OpenSearch in the most job posts?

Amazon Web Services (AWS), Sansan株式会社 and EPAM Systems mention AWS OpenSearch in the most job posts. Of the five companies in the table, Amazon Web Services (AWS) has the most employees who list it on their profiles: 326.

| Company | Job posts | People | Recent job post |
|---|---:|---:|---|
| [Amazon Web Services (AWS)](https://sumble.com/orgs/amazon-web-services) | 807 | 326 | "You will work on architecting, designing, and implementing high-performance applications for our customers to interact with Amazon OpenSearch Service." (Software Development Engineer - AWS OpenSearch, OpenSearch Dashboards, Oct 31, 2026) |
| [Sansan株式会社](https://sumble.com/orgs/sansan株式会社) | 806 | 0 | "運用・監視：Zabbix、Grafana、New Relic、Amazon Elasticsearch Service、Fluentd、Chef" (Web application development engineer / Sansan / Weekends off / Over 120 days of annual leave / SE (Web/Open Systems) / Osaka Prefecture / Full-time employee, Oct 4, 2026) |
| [EPAM Systems](https://sumble.com/orgs/epam-systems) | 570 | 53 | "RAG Pipelines: Practical experience working with vector databases (e.g., Amazon Kendra, OpenSearch), advanced embedding strategies, and retrieval systems" (Lead Python AI Engineer, Oct 24, 2026) |
| [Oracle](https://sumble.com/orgs/oracle) | 479 | 100 | "Design, implement, and improve secure, scalable features and fixes for the managed OpenSearch service." (Principal Software Engineer, OpenSearch Platform, Sep 22, 2026) |
| [Amazon](https://sumble.com/orgs/amazon) | 448 | 258 | "…turn recurring operational pain into automation, using AWS (CDK, Lambda, DynamoDB, S3, OpenSearch) and CI/CD pipelines to automate infrastructure and deployments." (System Development Engineer II, Imperium Data Services, Oct 28, 2026) |

## Is hiring for AWS OpenSearch growing?

Hiring for AWS OpenSearch is growing. 7.7 in every 10,000 job posts named it from June to August 2026, against 6.8 from March to May. From October to December 2025 it was 5.9.

| Month | Job posts naming it | All job posts | Per 10,000 job posts |
|---|---:|---:|---:|
| Oct 2025 | 721 | 1,413,673 | 5.1 |
| Nov 2025 | 1,153 | 1,822,119 | 6.3 |
| Dec 2025 | 784 | 1,236,103 | 6.3 |
| Jan 2026 | 1,238 | 1,828,002 | 6.8 |
| Feb 2026 | 1,187 | 1,856,647 | 6.4 |
| Mar 2026 | 1,202 | 1,850,711 | 6.5 |
| Apr 2026 | 1,145 | 1,728,886 | 6.6 |
| May 2026 | 1,328 | 1,821,509 | 7.3 |
| Jun 2026 | 1,495 | 1,909,496 | 7.8 |
| Jul 2026 | 1,371 | 1,815,180 | 7.6 |
| Aug 2026 | 1,441 | 1,835,698 | 7.8 |

## How many companies named AWS OpenSearch in a job post for the first time in recent months?

Job posts named AWS OpenSearch for the first time at 684 companies from June to August 2026, against 578 from March to May. Of the 7,753 companies whose job posts name it, 8.8% first named it from June to August.

| Period | Companies naming it in a job post for the first time |
|---|---:|
| March to May 2026 | 578 |
| June to August 2026 | 684 |
| October 2025 to August 2026 | 2,112 |

Companies whose first job post naming it appeared in that period. Recruiters, staffing firms and job boards are left out.

## How do we know which companies use AWS OpenSearch?

Job posts carry most of the evidence for AWS OpenSearch: 60% of these companies name it in posts they wrote. 5,118 come from employees' profiles alone.

| How we know | Companies | Share |
|---|---:|---:|
| Job posts name AWS OpenSearch | 7,753 | 60% |
| Employees' profiles list AWS OpenSearch | 5,118 | 40% |

## What size are the companies that use AWS OpenSearch?

Companies with fewer than 50 employees are 1.3 times as common among AWS OpenSearch users as on the typical tech page. 1,431 of its companies have more than 5,000 employees.

| Size | Share | Typical tech page |
|---|---:|---:|
| Under 50 employees | 27% | 22% |
| 50 to 999 | 47% | 38% |
| 1,000 to 5,000 | 15% | 17% |
| Over 5,000 | 11% | 23% |

## Where are AWS OpenSearch companies based?

AWS OpenSearch companies are spread across 120 countries and territories. The United States leads with 41%, then India with 7.7%. The United Kingdom is third, at 5.4%.

| Country | Companies | Share | Typical tech page |
|---|---:|---:|---:|
| United States | 5,015 | 41% | 43% |
| India | 937 | 7.7% | 6.9% |
| United Kingdom | 660 | 5.4% | 6.4% |
| Germany | 625 | 5.1% | 4.4% |
| France | 581 | 4.8% | 4.6% |
| Brazil | 413 | 3.4% | 2.8% |

## Which teams work with AWS OpenSearch?

AWS OpenSearch job posts name engineering and DevOps teams at 141 and 98 companies. Third is platform engineering, at 80 companies.

| Team | Companies |
|---|---:|
| Engineering | 141 |
| DevOps | 98 |
| Platform engineering | 80 |
| Platform | 62 |
| IT | 55 |
| Data engineering | 54 |

## Which roles mention AWS OpenSearch most?

Platform Engineer job posts naming AWS OpenSearch grew the fastest among its top roles: 152 from June to August 2026, up from 95 from March to May. The top four roles cover 51% of these job posts.

| Role | Share | Oct 2025 to Aug 2026 | Mar to May 2026 | Jun to Aug 2026 |
|---|---:|---:|---:|---:|
| Software Engineer | 29% | 3,753 | 974 | 1,100 |
| AI Engineer | 11% | 1,443 | 409 | 539 |
| DevOps Engineer | 7.2% | 944 | 260 | 225 |
| Data Engineer | 3.6% | 470 | 117 | 163 |
| Site Reliability Engineer | 3.5% | 458 | 128 | 136 |
| Platform Engineer | 3% | 395 | 95 | 152 |

## Which companies started naming AWS OpenSearch in job posts recently?

718 companies with 50 or more employees started naming AWS OpenSearch in job posts between April and August 2026. 105 of them have more than 5,000 employees. Another 16 were AI-native companies, which we list separately.

| Group | Company | Job posts, April to August 2026 |
|---|---|---:|
| AI native | [Capsa AI](https://sumble.com/orgs/capsa-ai) | 4 |
| AI native | [Forus](https://sumble.com/orgs/withtandem) | 3 |
| AI native | [Jeen.ai](https://sumble.com/orgs/jeen-ai) | 3 |
| AI native | [Otera](https://sumble.com/orgs/deepopinion) | 3 |
| AI native | [Neuron7.ai](https://sumble.com/orgs/neuron7-ai) | 2 |
| Commercial | [12Build](https://sumble.com/orgs/12build) | 11 |
| Commercial | [SupportYourApp](https://sumble.com/orgs/supportyourapp) | 10 |
| Commercial | [Steampunk, Inc.](https://sumble.com/orgs/steampunk-1) | 6 |
| Commercial | [UsefulBI Corporation](https://sumble.com/orgs/usefulbi) | 6 |
| Commercial | [Skeelo](https://sumble.com/orgs/skeelo) | 6 |
| Mid-market | [KMS Technology, Inc.](https://sumble.com/orgs/kms-technology) | 6 |
| Mid-market | [Schonfeld](https://sumble.com/orgs/schonfeld-strategic-advisors-singapore) | 6 |
| Mid-market | [SACEM](https://sumble.com/orgs/sacem) | 5 |
| Mid-market | [Applied Intuition](https://sumble.com/orgs/applied-intuition) | 5 |
| Mid-market | [Evri](https://sumble.com/orgs/evri) | 4 |
| Enterprise | [Renesas Electronics](https://sumble.com/orgs/renesas) | 14 |
| Enterprise | [Bread Financial](https://sumble.com/orgs/bread-financial) | 7 |
| Enterprise | [EXL](https://sumble.com/orgs/exl) | 6 |
| Enterprise | [Epsilon](https://sumble.com/orgs/epsilon-3) | 6 |
| Enterprise | [ERGO](https://sumble.com/orgs/ergo-group) | 5 |

Companies that named AWS OpenSearch in a job post for the first time between April and August 2026, ranked by their job posts in those months. AI-native companies get a group of their own, whatever their size. Recruiters and job boards are left out.

## What else do AWS OpenSearch companies use?

The tool most tied to AWS OpenSearch is pgvector. 10% of AWS OpenSearch companies use it, 17 times the usual rate for their size. AWS MSK is 16 times as common as usual, at 7.6%.

| Tool | Companies | Also name it | Typical | Times as common |
|---|---:|---:|---:|---:|
| pgvector | 589 | 10% | 0.63% | 17 times |
| AWS MSK | 430 | 7.6% | 0.48% | 16 times |
| Apache Lucene | 316 | 5.6% | 0.36% | 16 times |
| AWS Neptune | 313 | 5.5% | 0.36% | 15 times |
| AWS DocumentDB | 404 | 7.1% | 0.48% | 15 times |
| Qdrant | 375 | 6.6% | 0.47% | 14 times |
| Langfuse | 336 | 5.9% | 0.42% | 14 times |
| Milvus | 391 | 6.9% | 0.5% | 14 times |

Shares are out of the 5,680 companies whose job posts name AWS OpenSearch, not counting firms whose job posts name almost every technology.

## Which project themes come up in AWS OpenSearch job posts?

Apart from broad digital transformation work, Generative AI comes up most in job posts naming AWS OpenSearch, in 3,631 of them. Broad digital transformation work shows up in 5,050 of its job posts.

| Project theme | Job posts |
|---|---:|
| Digital Transformation | 5,050 |
| Generative AI | 3,631 |
| Cloud Cost Optimization | 1,797 |
| Microservices Migration | 1,547 |

## About this data

Sumble built this page. Sumble gives sales, marketing and other GTM teams technographics and hiring signals for the companies they sell to: the technologies each company uses, which teams are hiring and for what, and who reports to whom. That helps a team know who to contact, why now, and what to say.

Sumble covers more than 3.6 million companies, 93 million job posts collected since 2022 and 194 million employee profiles, and tracks more than 37,000 technologies. It finds which technologies a company uses by reading its job posts and its employees' public profiles.

Sumble has a free plan, and the same data is available through its API and MCP server.

A company counts when its own job posts or its employees' public profiles name the technology. Hiring is that technology's share of all job posts collected each month. Quotes are copied word for word from the companies' job posts.

Every figure on this page comes from Sumble's own analysis, and you won't find it outside Sumble.