Mozilla
As of 4 November 2026, Mozilla has 113 open roles (55 new in 30 days), its software engineering team is hiring most, and its postings name C++, JavaScript and Rust as the tools the team works in.
As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
- Headquarters
- , , United States
- Employees
- 501-1000 employees (linkedin)
- Sells to
- early-stage startups, developers, software developers
- Certifications on site
- Site languages
- EN, AN, AR, AZ, BE, BG, BN, BS, CA, CS, CY, DA, DE, EL, EO, ES, ET, EU, FA, FI
- Career system
- Greenhouse
Mozilla in one screen
Read from mozilla.org: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.
Mozilla is a nonprofit that develops open-source software and advocates for digital rights, serving consumers and businesses. Its offerings include the Firefox browser, Thunderbird email app, Mozilla VPN, Mozilla Monitor, Firefox Relay, and the Mozilla Data Collective AI platform. It also runs Mozilla Ventures, a venture capital fund for early-stage startups.
Named on the site: early-stage startups, developers, software developers.
Seen in buyers' own postings: technology & software, business & finance services, manufacturing & industry; mostly 11-50 employees and 51-200 employees; United States (90) and India (26).
Nearest companies by what they do, sell and whom they serve, 51+ employees. 586 scored.
Companies whose own job postings name Mozilla as the system their team works in. Ideal-customer examples, not a reference list from the vendor.
What Mozilla 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.
• Build performant, low-latency, and maintainable C++, JavaScript and Rust code• Build performant, low-latency, and maintainable C++, JavaScript and Rust code• Build performant, low-latency, and maintainable C++, JavaScript and Rust code• AMO application systems: Work within our Python/Django, MySQL, React/TypeScript, and asynchronous processing systems.• Diagnose and fix Layout problems across platforms (Windows, macOS, Linux, Android).• AMO application systems: Work within our Python/Django, MySQL, React/TypeScript, and asynchronous processing systems.• AMO application systems: Work within our Python/Django, MySQL, React/TypeScript, and asynchronous processing systems.• Monitor app health in App Store Connect and Google Play Console (crashes, ANRs, ratings) and support acquisition/retention efforts through ASO, store listings and growth experiments.• Monitor app health in App Store Connect and Google Play Console (crashes, ANRs, ratings) and support acquisition/retention efforts through ASO, store listings and growth experiments.• AMO application systems: Work within our Python/Django, MySQL, React/TypeScript, and asynchronous processing systems.• AMO application systems: Work within our Python/Django, MySQL, React/TypeScript, and asynchronous processing systems.• Build and maintain integrations between Salesforce and NetSuite, BigQuery, our contract-management platform, and other operational systems.Build and load cost center detail in Pigment, validate inputs, reconcile against the prior cycle, and document what moved along with the drivers behind it.• Build and maintain platform capabilities using Salesforce Flow, validation rules, approval processes, custom objects, page layouts, reports, and dashboards.Vendors whose code loads on mozilla.org or whose records sit in its DNS. Page plumbing (libraries, fonts, consent banners) is left out.
113 open roles, 120 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 software engineering in United States →
| open · new 30 d | |
|---|---|
| Software engineering | 46 · 30 |
| IT operations & business systems | 21 · 8 |
| Sales | 12 · 2 |
| Product, program & project management | 11 · 2 |
| Business development & strategy | 4 · 5 |
| Data & AI | 4 · 3 |
| Finance & accounting | 4 · 2 |
| Customer service & success | 2 · 0 |
| Marketing & communications | 1 · 1 |
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.
Sales, marketing and IT leaders by function. Add Mozilla 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.
Companies like Mozilla
Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 586 scored.
From the company's own website
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Mozilla (, United States, 501-1000 employees) has 113 open roles, 55 new in 30 days, and names 14 tools in its postings. (Breaknorm, 4 November 2026, https://breaknorm.co/company/mozilla.org)
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 mozilla.org: 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.
Mozilla: questions
Does Mozilla use C++?
Yes, by the company's own words: 46 postings name it, first seen 2026-07-15, in the software engineering team.
Is Mozilla hiring?
113 open roles as of 4 November 2026, 55 opened in the last 30 days and 19 closed. The largest team hiring is software engineering.
Where does this profile come from?
From mozilla.org 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 Mozilla?
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.
Get this company your way
The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.
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