Senior Machine Learning Engineer at Zefr designing applications to process social media data. Implementing infrastructure for machine learning systems and utilizing state-of-the-art models.
Responsibilities
Design and build large-scale applications and systems to acquire, process, and store multi-terabytes of social media data
Implement infrastructure to support machine learning systems processing hundreds of millions of videos daily
Work with state-of-the-art models, including large language models, to build sophisticated compound AI systems
Stay updated with the ever-expanding field of Machine Learning Operations
Requirements
Bachelor's or Master's degree in Computer Science or related field with 5+ years of professional experience in ML Engineering or MLOps
Strong foundation in mathematics and statistics
Deep expertise in ML model deployment, serving infrastructure, and production ML systems
Hands-on experience with transformer architectures (e.g., BERT, ViT) for natural language and vision tasks
Strong understanding of multimodal embedding techniques for integrating text, image, audio, and structured data
Experience with LLM models such as Gemini, GPT, Claude, Qwen, etc.
Experience with ML experiment tracking, model versioning, and feature stores
Strong understanding of CI/CD principles applied to ML workflows
Experience optimizing model inference performance (ONNX, TensorRT, or similar)
Openness to new technologies and creative solutions
Benefits
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
14 paid holidays off
Flexible hybrid work schedule
“Summer Fridays” (shorter work days on select Fridays during the summertime)
In-office lunches and lots of free food
Optional in-person and virtual events (we like to celebrate!)
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