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.
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.
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
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!)
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.
Skills Required
- Bachelor's or Master's degree in Computer Science, Engineering, or equivalent
- 1-2 years of experience in a technical field
- Competency in Python
- Competency in SQL
- Competency in REST APIs
- Knowledge of systems engineering principles
- Knowledge of product lifecycle management
- Strong communication and collaboration skills
What We Do
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.
Why Work With Us
As employees work to bring responsible marketing to the digital advertising ecosystem, we work to improve the lives of our employees both at work and at home. We are committed to building a team that represents a variety of different backgrounds, skills, and perspectives because we know this only makes us better.
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