Zefr
Hiring · 3 open jobsGeneral information
Zefr is the leading data and technology company that enables responsible marketing for brands, agencies and platforms. The company leverages a patented AI and machine learning engine, called Cognition AI, to offer brands and agencies more accurate and transparent activation and measurement solutions on scaled video platforms.1
Week by week at Zefr
New listings added per week
Chart withheld
insufficient history
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Tracking since June 8, 2026 · day 21 of 60
Velocity stats appear after 60 days of clean history. We're on day 21, with 39 days to go.
A weekly-adds chart drawn from that window would mostly show the day we started looking, not how Zefr hires. Every window control above is disabled, and each one says when it opens.
Roles added per week
Not yet available
suppressed until 60 days of clean history
Busiest week in this window
Not yet available
suppressed with the chart
Tracked by InterviewOS since
June 2026
Days of clean history
21 / 60
velocity stats unlock at 60 days
Open roles right now
3
Open jobs
3 open · updated todayPage 1 of 1, most recently added first · Download (CSV)2
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Score your CV for free before you applyVisa sponsorship
Does Zefr sponsor visas? Using USCIS data, we've collected the number of H-1Bs granted from 2021 to 2023 as well as the number of petitions they've requested so far this year. Zefr is a likely employer for applicants who require sponsorship. Currently, they have 4 jobs certified for sponsorship in 2026, at a median pay of $169,500.3
Visa petitions approved each year (USCIS)3
| Fiscal year | Approved |
|---|---|
| FY2021 | 4 |
| FY2022 | 8 |
| FY2023 | 1 |
Based on public USCIS and Department of Labor records. Past filings do not guarantee future sponsorship. Browse all H1B sponsors →
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Common questions
Is Zefr hiring now?
Yes. There are 3 open jobs.
Does Zefr sponsor H-1B visas?
Yes. Government records show 4 jobs certified for FY2026, at a median pay of $169,500.
Interview OS
Company pages built from daily checks of real hiring systems.
Notes & sources
- 1. Company description. From Zefr's own public material, shown only where we have it, never generated.
- 2. Live counts. Deduplicated live listings observed daily on Zefr's own hiring system; last check September 12, 2026. Stale and syndicated posts on aggregator sites are not counted.
- 3. Federal visa records. USCIS H1B Employer Data Hub and US Department of Labor LCA disclosure files, matched to this company by name.
Sources
zefr.com, checked daily
USCIS H-1B Employer Data Hub
US Department of Labor LCA disclosure files
About the data
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