
Contextual targeting for smarter video advertising
Zefr is a video advertising technology company headquartered in Venice, California, specializing in contextual targeting solutions for brands on platforms like YouTube. With a focus on enhancing brand safety and audience engagement, Zefr serves a diverse clientele, including major brands in the ente...
Zefr offers competitive salaries, equity options, flexible PTO, and a remote work policy that supports a healthy work-life balance....
Zefr fosters a culture of innovation and collaboration, encouraging employees to explore new ideas in the rapidly evolving video advertising landscape...

Zefr • New York City, NY
Zefr is seeking an Advertising Research Analyst to analyze advertiser campaign performance and provide actionable insights. You'll work closely with internal teams to develop custom reporting and leverage AI for workflow optimization. This position is based in New York City and follows a hybrid schedule.
Zefr is the leader in AI-powered content classifications for brands and advertisers. Zefr’s platform is purpose built for multi-modal content understanding on open platforms like YouTube, TikTok, Meta and Snap, with pre-bid activation and verification solutions. Our products safeguard media and AI investments, while maximizing performance and efficacy on those channels.
Headquartered in Los Angeles with global offices across New York, Chicago, London, Toronto, Singapore, and more, Zefr is redefining what trust and transparency means for social media in the age of AI.
Reporting to the VP of Research & Insights, the Advertising Research Analyst plays a critical role within the research team, sales team and broader organization. You will work closely with internal teams to develop custom reporting, support campaign measurement and analysis, and drive new value through your knowledge of data and advertising.
This position is based in New York City and follows a hybrid schedule (in-office Tuesday through Thursday).
Responsibilities include:
Analysis of advertiser campaign performance, providing insights and actionable recommendations for best practices and optimization.
Develop reports and insights to help sales teams be effective and nimble.
Create output that tells the story behind the data to non-technical team members.
Leverage AI agents and automation to identify, redesign, and optimize workflows, significantly reducing manual effort and operational overhead.
Collaborate with cross-functional stakeholders to understand our clients’ business needs, formulate and complete end-to-end analysis, generate creative ideas, research possible solutions, recommend an appropriate solution, lead and/or perform the implementation, and present results.
Be the measurement expert across our workstreams.
1-2 years of media research experience at a media agency, digital publisher or data and analytics company.
Experience with syndicated media research like Nielsen and ComScore, and third-party measurement solutions like Kantar, Dynata, Nielsen Catalina Solutions, Circana, Disqo, Brandwatch and Google Ads experience is a plus.
Understanding of media planning and media math (reach, frequency, audience composition, CPV, CPM, Lift, etc.).
Proficient in Microsoft Excel, PowerPoint or the Google equivalent. Keynote is a plus.
Strong mathematical and analytical abilities.
Excellent communication skills and attention to detail. A knack for storytelling or interest in consumer insights is a plus.
Ability to work independently and problem solve as well as effectively collaborate with various teams.
SQL is a plus.
Education: Bachelor of Arts/Sciences or equivalent experience; Master’s Degree is a plus.
Flexible PTO
Medical, dental, and vision insurance with FSA options
Company-paid life insurance
Paid parental leave
401(k) with company match
Professional development opportunities
13 paid holidays off
Summer Fridays (we leave early)
In-office, hybrid, and fully-remote work options available
In-office lunches and lots of free food
Optional in-person and virtual events (we like to celebrate!)
The anticipated salary for this position is between $70,000 and $90,000. Within the range, individual pay is determined by factors such as job-related skills, experience, and relevant education or training. If your compensation expectations fall outside of this range, it may still be worth having a conversation.
Zefr is an equal opportunity employer that embraces diversity and inclusion in the workplace. We are committed to building a team that represents a variety of backgrounds, skills, and perspectives because we know this only makes us better. We strongly encourage women, persons of color, LGBTQIA+ individuals, persons with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply even if you do not meet 100% of the qualifications.
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