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Hand Talk

Inteligência Artificial para Acessibilidade Digital

Mid-level Data Scientist

Data ScientistData ScientistFull TimeRemoteSeniorTeam 51-200Since 2012H1B No SponsorCompany SiteLinkedIn

Location

Brazil

Posted

10 days ago

Salary

0

Seniority

Senior

Job Description

Mid-level Data Scientist

Hand Talk

• Hands-on work on Data Science projects, preferably with experience in Computer Vision or NLP; • Strong command of fundamental machine learning concepts (proper data splitting, regularization, hyperparameter tuning); • Ability to define and compute performance metrics (Accuracy, Precision, Recall, F1-Score) and optimize inference time for real-time operation; • Practical experience using version control (Git) and Scrum ceremonies; • Strong knowledge of Python for data manipulation, feature extraction, and model training; • Practical knowledge of JavaScript/TypeScript for running and integrating models in the frontend; • Experience with Deep Learning frameworks (TensorFlow) and Computer Vision (integration of the MediaPipe library combined with OpenCV); • Basic system architecture knowledge and the ability to package simple applications in Docker containers for delivery to Engineering.

Job 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 need to be recorded and cataloged for training;
  • Prepare, convert, and optimize trained Python models so they run efficiently 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 handoff to the Engineering team;
  • Interest in diversity, inclusion, and accessibility;
  • Curiosity;
  • Collaborative mindset;
  • Multidisciplinary communication skills with the ability to translate technical data needs to linguists while aligning requirements with Engineering and Product teams;
  • Organized and action-oriented approach;
  • Comfortable working in ambiguity and in early-stage environments;
  • Impact-focused — not just output;
  • Focus on delivering functional solutions that solve the end user's problem within sprint deadlines;
  • Advanced English;
  • Experience with model optimization.

Benefits

  • CLT employment contract: your job security and full labor rights guaranteed from day one (Brazilian formal employment regime).
  • Caju Benefits Card (R$ 1,160.00): Flexible balance to use as you prefer: meals, groceries, home office, culture, and mobility;
  • Remote Work — From Wherever You Are! Work from anywhere in Brazil with flexibility and comfort;
  • SulAmérica Health Plan;
  • SulAmérica Dental Plan;
  • SulAmérica Life Insurance;
  • Online consultations with specialists via Conexa Saúde — telemedicine;
  • Wellhub: Support to help you perform at your best;
  • Extended Year-End Break: Celebrate the holidays with more peace of mind! Enjoy an extended period to recharge with family and friends;
  • Birthday day off: Take a special day off in your birthday month;
  • Extended Parental Leave: Support and quality time for those starting or expanding their family;
  • Continuous Professional Development: Access leading platforms like LinkedIn Learning, plus an annual allowance for courses and training in your area. Invest in yourself;
  • University partnerships: Support to go further through discounts and giveaways;
  • Brazilian Sign Language (Libras) training: Learn this important language for our community;
  • English Pass: English learning to continue advancing your career;
  • Work equipment provided as part of your onboarding kit.

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