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Role description

Software Engineer

ZEFR logoZEFR
TypeFull-time
WorkplaceHybrid
SeniorityJunior
Salary$100,000–$130,000
LocationMarina del Rey, CA
Posted10/30/2026
Engineering

What we do:

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.

What you’ll do:

We are looking for a passionate engineer to come collaborate and grow alongside our experienced applications software engineering team. The team is responsible for a broad range of systems and technologies:

  • Design, build, and operate APIs using REST and GraphQL technologies supporting our front-end interfaces, MCP servers, and offline batch processes.

  • Design, build, and operate complex workflows using Apache Airflow

  • Design, build, and operate data transformation pipelines in Snowflake and DBT.

What we’re looking for:

  • Bachelor’s or Master’s degree in Computer Science, Engineering disciplines (BEng/MEng) or equivalent.

  • 1-2 years of experience in a technical field

  • Competency in Python, SQL, REST APIs.

  • Knowledge of systems engineering principles and product lifecycle management

  • Strong communication and collaboration skills

Benefits (for US based employees):

  • 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

  • 10+ paid holidays off

  • Summer Fridays (we leave early)

  • In-office and hybrid work options available

  • In-office lunches and lots of free food

  • Optional in-person and virtual events (we like to celebrate!)

Compensation (for US based employees):

The anticipated salary for this position is between $100,000 and $130,000. 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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Company info

ZEFR logo

ZEFR

Zefr is the leading global technology company enabling responsible marketing for social walled garden environments.

Series EIn the news
Founded2009
HQLos Angeles, United States
Size201–500 employees
IndustryAdvertising Services
Unlock human wisdom
ThesisTermsPrivacy
Funding
  • Series E · $5M · Mar 9, 2016
Investors
U.S. Venture Partners (USVP)Richmond Park PartnersInstitutional Venture PartnersUncork CapitalFirst Round Capital
Tech stackbrandwatch, redis, pulumi, threads, power-bi, elasticsearch, macos, argo-cd, circana, tableau
News
  • CapCut and TikTok TopView ads gain 4 Zefr ad quality measurements
  • Zefr Expands AI-Powered Media Quality Measurement to CapCut and B

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