United States onlyZefr is hiring a Senior Data Scientist to fine-tune, optimize, and deploy Large Language Models for multimodal social media content understanding. The role requires experience with LLM inference optimization, fluency in Python and SQL, and a strong foundation in data structures, algorithms, and software design.
Requirements
- Bachelor's or Master's degree in Computer Science or related field
- 4+ years of professional experience in machine learning or data science
- Hands-on experience fine-tuning large language models
- Experience with LLM inference optimization
- Track record of taking ML models from research to production at scale
- Fluency with Python and SQL
- Experience working with multimodal models and features
- Familiarity with cost/quality tradeoff analysis across LLM providers and self-hosted models
- Experience with distributed systems and GPU-accelerated workloads
- Strong foundation in data structures, algorithms, and software design
- Thorough testing and code review standards/practices
- Strong verbal and written communication skills
- Experience working with Autonomous Coding Agents
- 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
- 13 paid holidays off
- In-office, hybrid, and fully-remote work options available
- '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
