Zefr is a global technology leader that empowers responsible marketing within social walled‑garden ecosystems. The company specializes in contextual and programmatic video targeting, data‑driven brand suitability, verification, and measurement solutions that ensure ads meet strict safety and relevance standards. By integrating advanced optimization tools across Meta, TikTok, and YouTube, Zefr delivers precise audience engagement while safeguarding brand integrity. Its focus on transparent, compliant advertising differentiates it in an industry where trust and regulatory adherence are paramount.
Open Positions
Analytics Engineer
3+ years of experience in analytics engineering, business intelligence, or data analytics; Bachelor's or Master's degree in a relevant field; Strong expertise in SQL and BI tools (specifically Looker); Proficient in reading and writing Python; Experienced with Snowflake and BigQuery; Some exposure to ETL and data warehousing
Data Scientist
Bachelor's or Master's degree in Computer Science or related field; Strong Data Science background and experience working with data pipelines at scale; Fluency with Python and SQL (Specifically Snowflake)
Global Events Marketing Manager
6-8+ years of experience in event marketing, bachelor's degree in Marketing, Communications, Business, or a related field
Customer Success Manager
3+ years of customer success experience, proficiency with ad serving tools, and strong analytical skills
Senior Brand Marketing Manager
7+ years of experience in brand marketing, content marketing, or digital marketing, ideally within B2B tech, advertising, or media
Customer Success Manager, YouTube (Pharmaceutical Specialist)
2+ years of experience in pharmaceutical marketing, proficiency in Google Ads, DV360, and other ad-serving tools
Machine Learning Engineer
Bachelor’s degree in Computer Science or related field. Strong Data Science background & fluent in Python/SQL. Experience with Large Language Models and Vector Search
Product Marketing Manager, Global Current Events
Bachelor's degree in related field. 4+ years marketing experience. Strong writing & analytical skills
Sales Development Representative
2-3 years of experience in digital advertising, SaaS or media sales, familiarity with CRM systems and outreach tools, and a self-starter mindset
Senior Social Media and Content Marketing Manager
7+ years of experience in brand marketing, content marketing, or digital marketing, ideally within B2B tech, advertising, or media; Bachelor's degree in Marketing, Communications, Journalism, or a related field; MBA a plus
+17 More Jobs Available!
Subscribe now to unlock all job opportunities and advanced features.
Find jobs no one else can
We pull listings directly from company career pages—no LinkedIn, no job boards, no fluff. Just real jobs, straight from the source.
Unlock hiring managers
With Web Pro, reveal the decision-makers behind job postings—names, emails, and LinkedIn profiles for up to 25 jobs per day.
Smarter data, better jobs
Each job includes 35+ data fields, from salary and visa info to remote status and tech stack. And we instantly remove anything that's expired.
Filters built for Pros
Drill down with filters for experience level, industry, salary, sponsorship, currency, and more—so you only see what fits.
Ready to see more opportunities?
Create a free account to access exclusive job listings, track your applications, and get personalized recommendations.
Loved by 3620+ job seekers