ZEFR
zefr.com
Actively hiring
Artificial Intelligence
As featured in
View 2 jobs
Follow
Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Visa sponsorship
- United States · H-1B filings in 12 months: 5 · green card filings: 6
News
Zefr Builds A New Front Door For YouTube Buys
Zefr's new agentic hub lets advertisers set up campaigns agentically using natural language prompts, thanks to an AdCP integration.
Read more
Report
Zefr and OM Media Trials Release First-of-Its-Kind Study on Brand Impact of Ad Adjacency to AI-Generated Content
Read more
Report
Zefr to Expand AI-Driven Brand Suitability Capabilities for Greater Control on Meta
/PRNewswire/ -- Zefr is excited to announce Meta
Read more
Report
Zefr's New AI Chief Wants To Prove The Value Of 'Truthiness'
AdExchanger caught up with Zefr's new chief AI officer, Jon Morra, about his role and how digital media will adapt (or acquiesce) to AI tech.
Read more
Report
Zefr Makes Brand Safety, Suitability Reporting Generally Available to YouTube Advertisers
The rollout begins in Canada, U.S., and fully maps to the GARM framework.
Read more
Report
How Zefr Uses Humans to Help YouTube's Less-Than-Perfect Targeting
It's an approach that drives clicks and conversions.
Read more
Report
Report
Tech stack
Technologies named in job postings at ZEFR over the last 12 months, by layer, with the share of postings for each.
Technologies in use
24
Postings analysed
2
Stack modernity
80/100
Languages
Python
SQL
Frameworks & libraries
Dask
Pandas
Databases
Snowflake
ElasticSearch
PostgreSQL
Cloud & platforms
AWS
GCP
Airflow
Apache Kafka
Azure
GitHub Actions
Kubernetes
Developer tools
ArgoCD
Claude Code
Copilot
Cursor
Docker
Model Context Protocol
Terraform
dbt
Practices & domains
Multimodal AI
AI Agents
Sign in to see how your skills match this stack
Sign In
Salary insights
Compensation ranges based on this company's open jobs
Median
$165k
Typical range
$130k – $200k
Open positions
2
2
Jobs
Junior
50%
Senior
50%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Junior | 1 | $130k | $130k |
| Senior | 1 | $200k | $200k |
Highest paying role
Senior Software Engineer
$200k
Normalized to USD per year
People
Richard Raddon
Executive Officer, Director
Zacharias James
Executive Officer, Director
Steve Krausz
Director
Sean Flynn
Director
Mark Terbeek
Director
Yair Landau
Director
Ross Levinsohn
Director
Dennis Phelps
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data
Growth
Hiring Momentum
28/100
Slowing
Open positions
2
0 opened / 0 closed in 30 days
ATS activity
Every ~3 hours
Today
Hiring Dynamics
0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Data Science
50% ▲
Backend
50% ▼
Offices
Where the company hires and what each office is for
Cities
4
Hiring now
1
Countries
1
Busiest office
Marina
Loading the map
Headquarters
Builds here
Office with open vacancies
No open vacancies right now Tap a pin for the office
Los Angeles
United States
HQ
4101 Redwood Ave
4101 Redwood Ave Los Angeles, CA 90066
Marina
United States
2 open roles 2 posted in 90 days 100% engineering 200-500 est. staff $165k Avg Salary
hires for Data Science, Backend
Chicago
United States
Regional office
208 N Green St.
208 N Green St. Chicago, IL 60607
London
United States
Regional office
Working From_Southwark
Working From_Southwark 32 Blacktriars Road London, SE1 8PB
Jobs
$100k – $130k per year • Hybrid • Full-Time • 1+ year exp • Bachelor's Degree • Marina
Python
SQL
Snowflake
AI/ML
Airflow
dbt
Multimodal AI
DevOps
GCP
AWS
Apply
$180k – $200k per year • Hybrid • Full-Time • 5+ years exp • Bachelor's Degree • Marina
Python
Dask
Databases
PostgreSQL
Snowflake
ElasticSearch
Apache Kafka
AI/ML
Copilot
Cursor
Claude Code
Model Context Protocol
Multimodal AI
AI Agents
Pandas
DevOps
Terraform
GCP
GitHub Actions
Azure
ArgoCD
AWS
Docker
Kubernetes
Apply
Financials
Total raised
$5M
Latest round
Debt Financing
Funding rounds
1
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Debt Financing | 2016 | $5M | Details |