AI Data Scientist

Hand Talk

AI Data Scientist role at HandTalk focusing on driving applied research in multimodal AI and LLMs. Collaborate on challenging projects that enable communication between deaf and hearing individuals.

Posted 4/15/2026full-timeRemote • 🇧🇷 BrazilMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

PythonPyTorchTensorflow

About the role

Key responsibilities & impact

Design and run AI experiments
Develop and train advanced models
Apply state-of-the-art techniques
Contribute to research direction
Partner with engineering to deploy models to production
Analyze and optimize model performance

Requirements

What you’ll need

Strong background in Machine Learning and Artificial Intelligence
Proficient in Python and frameworks such as PyTorch or TensorFlow
Proven experience with LLMs and multimodal AI
Knowledge of Deep Learning and experimental design
Commitment to diversity
Autonomy
Resilience
Efficiency
Impact-driven
Flexibility
Experience with diffusion models
Experience with generative vision
Research publications
Exposure to AI in production environments

Benefits

Comp & perks

CLT employment contract: job security and full labor rights guaranteed from day one.
Caju Benefits Card (BRL 1,160.00): Flexible balance to use as you prefer: meals, groceries, home office, culture, and mobility.
Remote work — work from anywhere in Brazil with flexibility and comfort.
SulAmérica health insurance
SulAmérica dental plan
SulAmérica life insurance
Online consultations with specialists via Conexa Saúde (telemedicine).
Wellhub: Support to help you be at your best.
Extended year-end leave: Enjoy a longer break to celebrate and recharge with family and friends.
Birthday day off: A special day off in the month of your birthday.
Extended parental leave: Support and quality time for those building or expanding their family.
Continuous professional development: Access to platforms such as CS Academy and LinkedIn Learning, plus an annual allowance for courses and training in your area.
Partnerships with universities: Support to go further through discounts and raffles.
Libras (Brazilian Sign Language) training: Learn this important language for our community.
English language learning supported through partnerships.
Work equipment provided as part of your onboarding kit.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Machine LearningArtificial IntelligencePythonPyTorchTensorFlowLLMsmultimodal AIDeep Learningexperimental designdiffusion models

Soft Skills

commitment to diversityautonomyresilienceefficiencyimpact-drivenflexibility