Data Scientist – Senior Data Scientist

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Hand Talk

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2012

📚 Education

🌍 Social Impact

💰 $670k Seed Round on 2018-08

Education • Social Impact • Technology

Hand Talk is the largest Sign Language translation platform in the world, designed to enhance communication for deaf individuals. The platform, which includes a mobile app, offers tools for learning and translating Sign Languages such as ASL and Libras, promoting accessibility and inclusion in various environments. Awarded by the UN as the 'best social app in the world,' Hand Talk serves as a vital resource for individuals and businesses seeking to bridge communication gaps with the deaf community.

📋 Description

• Your primary role will be to extract the maximum potential from deep learning and computer vision algorithms, transforming video streams into structured translation data. • You will work end-to-end: from aligning with the Linguists team to screen reference videos to packaging models for the Engineering team to deploy. • Actively participate in continuous improvements to multimodal LLM-based models.

🎯 Requirements

• Build, train, and fine-tune neural network models (TensorFlow) focused on recognizing spatial and temporal signals in sign language videos; • Collect, balance, and apply preprocessing and feature engineering techniques to multimodal data; • Actively collaborate with the Linguists team to define criteria, domains, and standards for reference videos that must be recorded and cataloged for training; • Prepare, convert, and optimize trained Python models to run efficiently and with low latency in the user's browser via JavaScript; • Structure code, dependencies, and model artifacts in an organized way (via Docker/Git), ensuring a clean handover to the Engineering team; • Interest in diversity, inclusion, and accessibility; • Curiosity; • Collaborative mindset; • Multidisciplinary communication skills, able to translate technical data needs to linguists while aligning requirements with Engineering and Product teams; • Structured and action-oriented; • Comfortable working in ambiguous, early-stage environments; • Impact-focused — not just output-driven; • Focused on delivering functional solutions that solve the end user's problem within sprint deadlines.

🏖️ Benefits

• CLT (Brazilian employment contract): Job security and full labor rights guaranteed from day one. • Caju Benefits Card (BRL 1,160.00): Flexible allowance to use as you prefer: meals, groceries, home office, culture, and transportation! • Remote Work — Work from anywhere in Brazil! Enjoy the freedom to work wherever you are with flexibility and comfort. • SulAmérica Health Insurance • SulAmérica Dental Insurance • SulAmérica Life Insurance • Online specialist consultations via Conexa Saúde — telemedicine at your fingertips. • Wellhub: Tools and programs to help you perform at your best! • Extended Year-End Break: Celebrate the holidays with greater peace of mind and enjoy an extended period to recharge with family and friends. • Birthday Day Off: Take a special day off during your birthday month! • Extended Parental Leave: Support and quality time for those growing or starting a family. • Continuous Professional Development: Access leading platforms like LinkedIn Learning, plus an annual stipend for courses and training in your field. • University Partnerships: Support to go further through discounts and raffles! • Libras Training: Learn Brazilian Sign Language — an important language for our community! • English Pass: English learning support to continue advancing your career! • Work equipment provided as part of your onboarding kit.