Zefr is the leading global technology company enabling responsible marketing in walled garden social environments. Zefr’s solutions empower brands to manage their content adjacency on scaled platforms such as YouTube, Meta, TikTok, and Snap, in accordance with industry standard frameworks. Through its patented AI technology, Zefr offers brands and agencies more accurate and transparent solutions for social walled gardens. The company is headquartered in Los Angeles, California, with additional locations across the globe.
What you’ll do:We are hiring a Data Scientist focused on algorithm development and implementation of natural language processing and computer vision models. These models are applied to tens of millions of social media posts daily! You will be working with state of the art transformer models, as well as large language models and vision language models, to build sophisticated compound AI systems. Additionally we work with semantic and image similarity search, leveraging vector databases storing hundreds of millions of content embeddings to find relevant data! You will be expected to work with all of these components, balancing cost and quality to develop the best performing classifiers possible! We are excited to welcome someone who is passionate about cutting edge research in machine learning and computer vision. We want an individual who can keep up to date with the ever-expanding field of Data Science. This is a role where we both expect to learn from you and have you learn from us!
Tech stack:
Languages: Python, SQL, Ray
Data Stores: Snowflake, OpenSearch
Data Processing: Apache Kafka, Pandas, DBT, FastAPI, Airflow
DevOps: Github, Docker, Kubernetes, AWS, GCP
MLOps: Transformers, Weights and Biases, Onnx, HuggingFace, VertexAI
Bachelor's or Master's degree in Computer Science or related field
Strong Data Science background and experience working with data pipelines at scale
Keeping up with applied research in machine learning and computer vision
Fluency with Python and SQL (Specifically Snowflake)
Experience with working with Large language models, vector search and RAG systems
Strong foundation in data structures, algorithms and software design
Strong verbal and written communication skills
Openness to new technologies and creative solutions
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.
This person must be based in Israel. We are not open to hiring remote employees located outside of Israel for this role.
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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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