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Company · Blockchain web3 development

OpenZeppelin

As of 30 October 2026, OpenZeppelin has 7 open roles (2 new in 30 days), its customer service & success team is hiring most, and its postings name HubSpot, Run:ai and GitHub as the tools the team works in.

As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

, United States51-200 employees10M-50M revenue, est.B2Bopenzeppelin.com ↗LinkedIn ↗
Headquarters
, , United States
Employees
51-200 employees (linkedin)
Sells to
financial institutions, asset managers, tokenization platforms
Certifications on site
SOC 2
Site languages
EN
Career system
Greenhouse
7open roles · 2 new in 30 days
14tools named in postings
hiring locations
0change signals read in postings
02What they do, whom they sell to, who else does it

OpenZeppelin in one screen

Read from openzeppelin.com: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.

What OpenZeppelin does

OpenZeppelin is a security and smart contract development company that provides onchain finance security for financial institutions, asset managers, tokenization platforms, payment networks, fintechs, capital markets infrastructure, blockchain networks, DeFi protocols, central banks and regulators. Its offerings include contracts libraries, the Contracts Wizard, Contracts MCP, upgrades plugins, monitoring, UI Builder, Safe Utils and Role Manager. It serves institutions and technology innovators across Ethereum, Solana and other networks.

contracts librariescontracts wizardcontracts mcpupgrades pluginsmonitoringui buildersafe utilsrole manager
Whom it sells to

Named on the site: financial institutions, asset managers, tokenization platforms, payment networks, fintechs and neobanks, capital markets infrastructure, blockchain networks, defi protocols, central banks, regulators and standards bodies.

Who else sells this

Nearest companies by what they do, sell and whom they serve, 51+ employees. 593 scored.

HexensUnited Kingdom · 51-200 employeesSafeGermany · 51-200 employeesFelixAustralia · 51-200 employeesEphronTechUnited States · 51-200 employeesITBrooklynUnited States · 51-200 employeesStriderUnited States · 51-200 employees
03Tech stack, with the evidence

What OpenZeppelin says it runs

Tools named in the company's own postings as the team's systems, with the sentence that says so. What the website and DNS show is listed separately.

HubSpotCustomer service & success · high confidence · 2 postings
Use our internal tooling (GitHub, Notion, Slack, HubSpot, and our internal automation system) to streamline workflows and reduce operational overhead.
Program Manager (Customer Success) · first seen 2026-09-11
Run:aiMarketing & communications · high confidence · 1 posting
• Run AI-powered competitive and market intelligenceby building workflows that track competitors, regulatory developments, and industry news, and turn them into actionable insights for Sales, Product, and leadership.
Senior Product Marketer, Financial Institutions · first seen 2026-10-21
GitHubCustomer service & success · high confidence · 1 posting
Use our internal tooling (GitHub, Notion, Slack, HubSpot, and our internal automation system) to streamline workflows and reduce operational overhead.
Program Manager (Customer Success) · first seen 2026-09-11
NotionCustomer service & success · high confidence · 1 posting
Use our internal tooling (GitHub, Notion, Slack, HubSpot, and our internal automation system) to streamline workflows and reduce operational overhead.
Program Manager (Customer Success) · first seen 2026-09-11
aaveCustomer service & success · medium confidence · 6 postings
pertise to support leading institutions and crypto-native teams shaping the next generation of digital assets like DTCC, Fidelity, Coinbase, Uniswap, Aave, the Ethereum Foundation, and many more across the full secure development lifecycle.
Blockchain Security Researcher · first seen 2021-01-06
uniswapCustomer service & success · medium confidence · 6 postings
pertise to support leading institutions and crypto-native teams shaping the next generation of digital assets like DTCC, Fidelity, Coinbase, Uniswap, Aave, the Ethereum Foundation, and many more across the full secure development lifecycle.
Blockchain Security Researcher · first seen 2021-01-06
RustCustomer service & success · medium confidence · 2 postings
• Solidity or Rust reading proficiency, or hands-on cybersecurity experience.
Program Manager (Customer Success) · first seen 2021-01-06
SolidityCustomer service & success · medium confidence · 2 postings
• Strong working knowledge of Solidity and the broader Ethereum / EVM ecosystem (common libraries, frameworks, smart contract patterns).
Blockchain Security Researcher · first seen 2021-01-06
Ethereummedium confidence · 1 posting
• Strong working knowledge of Solidity and the broader Ethereum / EVM ecosystem (common libraries, frameworks, smart contract patterns).
Blockchain Security Researcher · first seen 2021-01-06
LinearCustomer service & success · medium confidence · 1 posting
• Advanced knowledge of project management and collaboration tools including GitHub, Notion, Linear, Slack, and HubSpot.
Program Manager (Customer Success) · first seen 2026-09-11
SlackCustomer service & success · medium confidence · 1 posting
Use our internal tooling (GitHub, Notion, Slack, HubSpot, and our internal automation system) to streamline workflows and reduce operational overhead.
Program Manager (Customer Success) · first seen 2026-09-11
Sanitylow confidence · 1 posting
• Experience building web pages through a headless CMS such as Sanity.
Senior Product Marketer, Financial Institutions · first seen 2026-10-21
Azure Cosmos DBlow confidence · 1 posting
• Experience with non-EVM ecosystems and languages, such as Canton, Move (Sui, Aptos), Golang (Cosmos SDK), Cairo (Starknet), Rust-based blockchains (Solana, Stellar), or ZK circuits and cryptography-heavy systems.
Blockchain Security Researcher · first seen 2021-01-06
chainlinklow confidence · 1 posting
Production work with at least one major cross-chain messaging protocol (Chainlink CCIP, LayerZero, Wormhole, Axelar, or similar).
Senior Blockchain Security Developer (Canton) · first seen 2026-05-21
On the website or in DNS

Vendors whose code loads on openzeppelin.com or whose records sit in its DNS. Page plumbing (libraries, fonts, consent banners) is left out.

Hotjarseen on openzeppelin.comHubSpotseen on openzeppelin.com
Amazon SESseen on openzeppelin.com
Anthropicseen on openzeppelin.com
AWS Route 53seen on openzeppelin.com
Cloudflareseen on openzeppelin.com
Google Workspaceseen on openzeppelin.com
04Hiring

7 open roles, 5 opened in 90 days

Read hourly from the company's career system. Open roles and new roles in the last 30 days, by team. Companies hiring customer service & success in United States →

05Signals

What is changing, read from the postings

Intents are events the employer states about itself, each with the sentence and the posting it came from.

No change signals read in the current postings.

Decision makers at OpenZeppelin, with verified e-mails, and every change the moment it is posted.

Sales, marketing and IT leaders by function. Add OpenZeppelin to a monitor and get a webhook when a role opens, a tool appears or a signal is read.

Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.

06Lookalikes

Companies like OpenZeppelin

Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 593 scored.

HexensBlockchain web3 development · United Kingdom51-200 employees
SafeBlockchain & web3 infrastructure · Germany51-200 employees
FelixProcurement software · Australia51-200 employees
EphronTechCustom software development agencies · United States51-200 employees
ITBrooklynIT services & consulting · United States51-200 employees
StriderCorporate screening & due diligence · United States51-200 employees
07Profile

From the company's own website

Legal nameOpenZeppelin
IndustryTechnology & software · Blockchain web3 development
Offeringscontracts libraries · contracts wizard · contracts mcp · upgrades plugins · monitoring · ui builder · safe utils · role manager
Target customersfinancial institutions · asset managers · tokenization platforms · payment networks · fintechs and neobanks · capital markets infrastructure · blockchain networks · defi protocols · central banks · regulators and standards bodies
Geographic scopeinternational · also United Kingdom
Reviews found
Public contact points0 role addresses · 0 phone numbers
Pages readprivacy, pricing, terms, payment, home, contact, careers, references
Datescrawled 2026-08-07 · profiled 2026-08-16 · hiring built 2026-10-27
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

OpenZeppelin (, United States, 51-200 employees) has 7 open roles, 2 new in 30 days, and names 14 tools in its postings. (Breaknorm, 30 October 2026, https://breaknorm.co/company/openzeppelin.com)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • ProfileBuilt from openzeppelin.com: summary, offerings, customers, certifications and contact points are extracted from its pages, with a confidence score per field.
  • HiringRead hourly from the company's Greenhouse career site; reposts collapse into one record.
  • Tech stackTools the employer's own text names as the team's systems, with the quote; website scripts counted separately.
  • HeadcountLinkedIn where known, otherwise estimated from the site.
FAQ

OpenZeppelin: questions

Does OpenZeppelin use HubSpot?

Yes, by the company's own words: 2 postings name it, first seen 2026-09-11, in the customer service & success team.

Is OpenZeppelin hiring?

7 open roles as of 30 October 2026, 2 opened in the last 30 days and 0 closed. The largest team hiring is customer service & success.

Where does this profile come from?

From openzeppelin.com itself: we crawled it on 2026-08-07, built the profile on 2026-08-16, and read its career site (Greenhouse) hourly since. Headcount is from LinkedIn.

Who should I write to at OpenZeppelin?

The people are behind the login: decision makers by function, verified at the mail server when you open them. 0 public role addresses from the site are there too.

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