Mid-level Data Scientist

This is a fully remote position, open to applicants in Brazil.

📋 Description

• Engaging in hands-on Data Science projects, with a preference for experience in Computer Vision or Natural Language Processing (NLP);

• Strong grasp of essential machine learning principles (appropriate data splitting, regularization, hyperparameter optimization);

• Capability to define and compute performance metrics (Accuracy, Precision, Recall, F1-Score) while optimizing inference time for real-time applications;

• Practical experience utilizing version control (Git) and participating in Scrum ceremonies;

• Proficient in Python for data manipulation, feature extraction, and training models;

• Working knowledge of JavaScript/TypeScript for executing and integrating models on the frontend;

• Familiarity with Deep Learning frameworks (TensorFlow) and Computer Vision (integration of the MediaPipe library with OpenCV);

• Basic understanding of system architecture and the ability to package simple applications in Docker containers for delivery to the Engineering team.

⛳️ Requirements

• Develop, train, and fine-tune neural network models (TensorFlow) aimed at recognizing spatial and temporal signals in sign language videos;

• Collect, balance, and implement preprocessing and feature engineering techniques on multimodal data;

• Collaborate actively with the Linguists team to establish criteria, domains, and standards for reference videos to be recorded and cataloged for training;

• Prepare, convert, and optimize trained Python models to ensure they operate efficiently with low latency in the user's browser using JavaScript;

• Organize code, dependencies, and model artifacts systematically (using Docker/Git) to ensure a smooth transition to the Engineering team;

• Interest in diversity, inclusion, and accessibility;

• A curious mindset;

• Collaborative approach;

• Multidisciplinary communication abilities, with the skill to convey technical data requirements to linguists while aligning needs with Engineering and Product teams;

• Organized and action-oriented methodology;

• Comfort in navigating ambiguity and working in early-stage environments;

• Focused on impact — prioritizing significant results over mere output;

• Commitment to delivering functional solutions that address the end user's challenges within sprint deadlines;

• Proficient in 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 for your choice of expenses: meals, groceries, home office, culture, and mobility;

• Remote Work — Flexibility to work from anywhere in Brazil;

• 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: Enjoy an extended period to recharge with family and friends during the holidays;

• Birthday day off: Celebrate your special day with a day off in your birthday month;

• Extended Parental Leave: Quality time and support for those starting or growing their family;

• Continuous Professional Development: Access to leading platforms like LinkedIn Learning, along with an annual allowance for courses and training in your field. Invest in your growth;

• University partnerships: Opportunities for further advancement through discounts and giveaways;

• Brazilian Sign Language (Libras) training: Acquire this important language for our community;

• English Pass: Continue learning English to advance your career;

• Work equipment provided as part of your onboarding kit.