Your wellbeing matters. Join a company that cares. GET TO KNOW US Wellhub (formerly Gympass*) is a corporate wellness platform that connects employees to the best partners for fitness, mindfulness, therapy, nutrition, and sleep, all included in one subscription designed to cost less than each individual partner. Founded in 2012 and headquartered in NYC, we have a growing global team in 11 countries. At Wellhub, you have the opportunity to build a career in a high-growth tech company that places wellbeing at the foundation of its culture and contributes to making every company a wellness company.
*Big news: Gympass is now Wellhub
We are thrilled to announce our rebranding as Wellhub, marking a significant milestone in our journey. This transformation reflects our evolution from a "pass for gyms" to a comprehensive employee wellbeing solution. With our refreshed identity, we are poised to embark on an exciting new chapter of growth and expansion. We are elevating our offerings, including a completely new app experience and an expanded network of wellbeing partners. Learn more about it here.
THE OPPORTUNITY We are hiring a "Senior Data Scientist" to our CARE team in Portugal
We are looking for a talented and motivated Data Scientist to join our team in Brazil/Portugal and contribute to groundbreaking projects in the field of Generative AI In this role, you will help shape the future of AI-powered wellness solutions by leveraging Generative AI, fine-tuning of LLMs, and evaluation of Agentic systems.
As a Data Scientist in the CARE team, you will be at the forefront of innovation, developing cutting-edge Agentic AI that enhances and personalizes the wellness journey for millions of Wellhub subscribers. Your work will directly contribute to advancing AI's role in wellness, making it more adaptive, impactful, and transformative. You will collaborate with a multidisciplinary team of engineers and domain experts to create innovative AI applications and solve real-world problems.
YOUR IMPACTModel Development & Fine tuning: Understanding of state-of-the-art deep learning techniques, such as Transformers architectures and attention mechanisms, and knowledge of fine-tuning LLMs for enhanced model performance, using techniques such as LoRA, QLoRA, among others.Function Calling & Tool Use: Design and implement structured function calling mechanisms within LLMs to enable dynamic interactions with APIs, databases, and retrieval-augmented generation (RAG) pipelines.Prompt Engineering: Craft clear instructions that help our models understand exactly what we need, creating reusable templates and testing against edge cases.Data Preparation: Preprocess, analyze, and curate high-quality datasets to train and fine-tune both embedding and generative models.Evaluation and Testing: Develop robust evaluation frameworks to assess agentic AI performance, combining automated evaluation (LLM-as-judge), adversarial testing, human-in-the-loop evaluations, and custom behavioral metrics.LLM Observability: Establish monitoring systems that track LLM behavior in production, capturing key metrics around information retrieval, hallucinations, and latency.Research and Innovation: Stay current with the latest research in generative AI, share insights with the team, test promising approaches, and help make us better.Deployment: Collaborate with engineering teams to deploy models in scalable and efficient production environments.Live the mission: 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.
WHO YOU AREMaster'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.Have clear scientific thinking and a passion for integrating R&D and cutting-edge technology into a product.We recognize that individuals approach job applications differently. We strongly encourage all aspiring applicants to go for it, even if they don't match the job description 100%. We welcome your application and will be delighted to explore if you could be a great fit for our team. For this specific role, please note that prior experience in Python and SQL are mandatory requirements.
WHAT WE OFFER YOUWe're a wellness company that is committed to the health and well-being of our employees. Our benefits include:
WELLHUB: We believe in our mission and encourage our employees and their families to take care of their wellbeing too. Access digital fitness programs and online wellness resources for meditation, nutrition, mental health support, and more. You will receive the Gold plan at no cost, and other premium plans will be significantly discounted.
FITNESS: Additional fitness subsidy to access onsite gyms and fitness studios.
FLEXIBLE WORK: At Wellhub, flexibility fosters a happier, healthier, and more productive work environment for everyone. As a Flexible First company, we offer two work model options: flexible hybrid and full remote, and make the office a place for collaboration, community, and team building. The model for this role can be discussed with your recruiter and hiring manager. We offer all employees a home office stipend and a monthly flexible work allowance to help cover the costs of working from home.
FLEXIBLE SCHEDULE: We understand that together, Wellhubbers and their leaders can make the best decisions for their own individual scopes. This includes flexibility to adjust their working hours based on their personal schedule, time zone, and business needs.
PAID TIME OFF: We know how important it is to take time away from work to recharge. Employees receive a minimum of 25 days paid holiday per year with an additional day for each year of tenure (up to 5) in addition to annual holidays (including an extra holiday on your birthday).
PARENTAL LEAVE: Welcoming a new child is one of the most special moments in your life and we want our employees to take the time to be present and enjoy their growing family. We offer 100% paid parental leave to all new parents and extended maternity leave.
CAREER GROWTH: Outstanding opportunities for personal and career growth. That means we maintain a growth mindset in everything we do and invest deeply in employee development.
CULTURE: An exciting and supportive environment filled with passionate individuals from all over the world You'll partner with global colleagues and share in the success of a high-growth technology company disrupting the health and wellness space. Our value-based culture of trust, flexibility, and integrity makes this possible every day.
And to get a glimpse of Life at Wellhub… Follow us onInstagram @lifeatwellhub and LinkedIn Diversity, Equity, and Belonging at WellhubWe aim to create a collaborative, supportive, and inclusive space where everyone knows they belong.
Wellhub is committed to creating a diverse work environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, sex, gender identity or expression, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status, or any other basis covered by appropriate law.
Interested in building your career at Wellhub? Get future opportunities sent straight to your email.
Apply for this job*
indicates a required field
First Name *
Last Name *
Email *
Phone *
Location (City) *
Resume/CV *
Enter manually
Accepted file types: pdf, doc, docx, txt, rtf
Enter manually
Accepted file types: pdf, doc, docx, txt, rtf
Please select your Country Phone Code * Select...
She / Her / Hers
They / Them / Theirs
Other
Do you now or in the future require sponsorship? * Select...
If not, please describe the type of work authorization you have
What is your desired base salary for this position? *
How did you hear about this opportunity? * Select...
If you selected 'Other', please specify.
Do you know anyone who works for Wellhub? * Select...
If yes, please share their name.
Do you know anyone that may have a vested interest in any of our gym partners, vendors or wellness apps? * Select...
If yes, please share their name.
Do you know anyone or does anyone in your family work at a Wellhub client? * Select...
If yes, please share which Wellhub client.
Voluntary Self IdentificationWellhub is committed to providing a welcoming and inclusive work environment, beginning with the application process. We recognize that we are not all alike, and this is our greatest strength. We hire talented and diverse individuals not only because it is the right thing to do, but also because it strengthens our company. We know that combining our diverse cultures, experiences, and perspectives will help us achieve our mission of making the world a healthier place.
Information collected as part of this survey :
is anonymous; unrelated to your individual application; and has no bearing on your application; we will not know whether or not you complete this survey;we use the data collected in aggregate only to improve our diversity and inclusion efforts.Select...
What gender identity do you most closely identify with? * Select...
What sexual orientation do you most closely identify with? * Select...
Are you a person of transgender experience? * Select...
#J-18808-Ljbffr