SENIOR DATA SCIENTIST | MACHINE LEARNING | DATA SCIENCE

Remote policy : Full remote
Your wellbeing matters. Join a company that cares.
We are rebranding from Gympass to Wellhub, a corporate wellness platform connecting employees to fitness, mindfulness, therapy, nutrition, and sleep options in one subscription. Founded in 2012 and headquartered in NYC, Wellhub has a growing global team in 11 countries and a mission to make every company a wellness company.
We are hiring a Senior Data Scientist in our Generative AI area in Portugal. This is a Remote – Portugal position, meaning you can work from anywhere within the country. Apply state-of-the-art tools (OCR, vision-language models, document understanding frameworks) to interpret diverse input types
Prompt Engineering: Develop and refine strategies for using LLMs to extract, summarize, and transform unstructured content into structured formats
Data Quality & Structuring: Clean, validate, and transform messy, unstructured data into well-defined schemas ready for use in training or analytics pipelines
Content Filtering: Define standards and build systems for cleaning, validating, and filtering data to ensure accuracy, reduce bias, and align with ethical / safety guidelines
Human-in-the-Loop Feedback: Design feedback loops where experts validate or enrich data, improving LLM-based extraction reliability
Architect cost-efficient, high-throughput data pipelines that are robust to noisy or incomplete sources
Research & Prototyping: Partner with data engineers and other data scientists to integrate collected data into larger AI and analytics systems
Inspire and empower others by genuinely caring for your own wellbeing and your colleagues. Bring wellbeing to the forefront of work, and create a supportive environment where everyone feels comfortable taking care of themselves, taking time off, and finding work-life balance
Master’s degree (or PhD) in Computer Science, Data Science, Machine Learning, Statistics, or a related field
Proficiency in Python and experience with libraries for web scraping, OCR (e.g., Strong background in unstructured data processing: APIs, web scraping, HTML parsing, OCR, image / document analysis
Strong analytical problem-solving skills, with a track record of turning noisy data into high-quality datasets for ML
We strongly encourage all aspiring applicants to go for it, even if they don\'t match the job description 100%. For this specific role, please note that prior experience in data science and Python are mandatory requirements.
Familiarity with visual-language models (e.g., Hands-on experience in prompt engineering and few-shot learning for data extraction tasks
Experience deploying or supporting data acquisition systems in production environments
We\'re a wellness company committed to the health and wellbeing of our employees. Access digital fitness programs, online wellness resources for meditation, nutrition, mental health support, and more. Flexible Work: Flexible options (flexible hybrid or full remote) with a home office stipend and a monthly flexible work allowance. Flexible Schedule: Ability to adjust working hours based on personal schedule, time zone, and business needs.
Paid Time Off: Minimum 25 days of paid holiday per year, plus one additional day per year of tenure (up to 5), plus holidays and a birthday holiday.
All qualified applicants will receive consideration for employment without regard to race, religion, color, sex, gender identity or expression, sexual orientation, age, disability, national origin, veteran status, or any other basis covered by applicable law. #