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Job Description
Wellhub, formerly Gympass, is seeking a Senior Data Scientist to join their AI Engine team in Brazil. This role involves contributing to projects in Generative AI, fine-tuning LLMs, and evaluating Agentic systems. The Senior Data Scientist will help shape the future of AI-powered wellness solutions, enhancing and personalizing the wellness journey for millions of Wellhub subscribers. This position offers the opportunity to work with a multidisciplinary team of engineers and domain experts to create innovative AI applications and solve real-world problems.
Role Involves:
- Model Development & Fine tuning
- Function Calling & Tool Use
- Prompt Engineering
- Data Preparation
- Evaluation and Testing
- LLM Observability
- Research and Innovation
- Deployment
Requirements:
- Master’s degree or PhD in Computer Science, Data Science, Machine Learning, Statistics, or a related field.
- Proficiency in Python and experience with machine learning frameworks such as PyTorch, TensorFlow, or similar.
- Strong understanding of generative AI architectures, including transformers and attention mechanisms.
- Experience in multi-agent systems and LLMs.
- Strong problem-solving abilities, with a focus on experimental design and data analysis.
- Excellent verbal and written communication skills, with the ability to explain complex technical concepts to non-technical stakeholders.
- Clear scientific thinking and a passion for integration R&D and cutting-edge technology into a product
- Prior experience in Python and SQL are mandatory requirements.
What Wellhub Offers:
- Health, dental, and life insurance.
- Home office stipend and a monthly flexible work allowance.
- Access onsite gyms and fitness studios, digital fitness programs, and online wellness resources.
- Vacations after 6 months and 3 days off per year + 1 day off for each year of tenure (up to 5 additional days) + extra day off for your birthday.
- Paid parental leave.
- Opportunities for personal and career growth.
