Senior Data Scientist | Ai Engine

Buscojobs; Lazio; Remoto; EUR 50.000 - 80.000; Tempo pieno

Descrizione del lavoro

A leading company is seeking a Senior Data Scientist for their AI Engine team, focusing on innovative Generative AI projects. The role involves model development, data analysis, and collaboration with experts in creating impactful solutions. The position offers a supportive work environment with remote flexibility and substantial career growth opportunities.

Servizi

Access to digital fitness and wellness resources

Subsidies for onsite gyms and studios

Flexible work options with stipends for home office setup

Flexible scheduling based on needs

Minimum 25 days holiday plus additional based on tenure

100% paid parental leave for new parents

Opportunities for personal and professional development

Supportive high-growth environment with global colleagues

Competenze

• Master’s or PhD in a related field required.
• Proficiency in Python and experience in frameworks like PyTorch or TensorFlow.
• Strong understanding of generative AI and problem-solving skills.

Mansioni

• Develop and fine-tune models, focusing on Generative AI applications.
• Create and maintain frameworks to assess AI performance.
• Collaborate with engineers to deploy models in scalable environments.

Conoscenze

Python

Problem-solving

Data analysis

Generative AI architectures

Experimental design

Excellent communication

Formazione

Master’s degree or PhD in Computer Science, Data Science, Machine Learning, or related fields

Strumenti

PyTorch

TensorFlow

Descrizione del lavoro

At Wellhub (formerly Gympass), in Lisbon, Portugal

Expires at : 2025-12-09

Remote policy : Full remote

We are hiring a Senior Data Scientist for our AI Engine team in Portugal!

We seek a talented and motivated Data Scientist to join our team in Brazil / Portugal, contributing to innovative projects in Generative AI. You will help shape the future of AI-powered wellness solutions by leveraging Generative AI, fine-tuning LLMs, and evaluating Agentic systems.

As a Data Scientist in the CARE team, you will develop cutting-edge Agentic AI to enhance personalized wellness experiences for millions of Wellhub subscribers. Your work will advance AI's role in wellness, making it more adaptive and impactful. You will collaborate with engineers and domain experts to create innovative AI applications and solve real-world problems.

YOUR IMPACT

• Model Development & Fine tuning : Understanding of deep learning techniques, transformers, attention mechanisms, and fine-tuning LLMs using methods like LoRA, QLoRA.
• Function Calling & Tool Use : Design mechanisms within LLMs for dynamic API, database interactions, and RAG pipelines.
• Prompt Engineering : Create clear instructions, reusable templates, and test edge cases.
• Data Preparation : Preprocess, analyze, and curate datasets for training and fine-tuning models.
• Evaluation and Testing : Develop frameworks to assess AI performance, including automated, adversarial, and human-in-the-loop evaluations.
• LLM Observability : Monitor LLM behavior in production, tracking metrics like hallucinations and latency.
• Research and Innovation : Stay updated with latest research, share insights, and test new approaches.
• Deployment : Collaborate on deploying models in scalable production environments.

Live the mission : Inspire and empower others by caring for your well-being and that of your colleagues. Promote a supportive environment for work-life balance.

Main requirements

• Master’s degree or PhD in Computer Science, Data Science, Machine Learning, Statistics, or related fields.
• Proficiency in Python and experience with frameworks like PyTorch or TensorFlow.
• Strong understanding of generative AI architectures, transformers, and attention mechanisms.
• Experience with multi-agent systems and LLMs.
• Strong problem-solving skills, experimental design, and data analysis.
• Excellent communication skills for explaining complex concepts.
• Clear scientific thinking and passion for integrating R&D into products.

We encourage applicants to apply even if they don't meet all criteria. Prior experience in Python and SQL is mandatory for this role.

Our benefits include :

• WELLHUB : Access to digital fitness and wellness resources, with a complimentary Gold plan.
• FITNESS : Subsidies for onsite gyms and studios.
• FLEXIBLE WORK : Hybrid or full remote options, with stipends and allowances for home office setup.
• FLEXIBLE SCHEDULE : Adjust working hours based on personal and business needs.
• PAID TIME OFF : Minimum 25 days holiday plus additional days based on tenure.
• PARENTAL LEAVE : 100% paid parental leave for new parents.
• CAREER GROWTH : Opportunities for personal and professional development.
• CULTURE : A supportive, high-growth environment with global colleagues committed to trust, flexibility, and integrity.

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