Winda Permata Sari

Q

AI & Data Science Instructor

Qarir Generator

Dec 2024 - Current (1 year 6 months)

Conducted hands-on AI and data science training, covering Python, machine learning, andmodel deployment. Developed customized training materials with real-world case studies and interactive projects. Mentored aspiring AI professionals, providing guidance on careers, problem solving, andbest practices.

AI Analyst Data

Welocalize

Jan 2024 - Mar 2025 (1 year 3 months)

Analyzedandinterpretedcomplex datasets to support AI-drivendecision-making andbusiness insights. Developed machine learning models and predictive analytics solutions using Python, SQL, andstatistical techniques. Created interactive data visualizations with Power BI and Matplotlib, presenting AI-driveninsights tostakeholders.

AI Analyst Data

RWS Group

Oct 2023 - Oct 2024 (1 year 1 month)

Analyzed large and complex datasets to uncover insights, trends, and patterns that informedbusiness or researchdecisions. Created visualizations and reports using tools like Excel, Tableau, or Python libraries toclearlycommunicate findings tostakeholders. Performed data cleaning and preprocessing to ensure accuracy, consistency, and usability of datafor analysis andmodelingpurposes.

A

Sr. Machine Learning Engineer

Ajari Technologies

Oct 2023 - Dec 2023 (3 months)

Designed and implemented advanced NLP models for tasks such as text classification, summarization, namedentity recognition, and question answering, improvinglanguage understandinginAI systems. Developed and optimized AI prompt engineering strategies for large language models, enhancing performance in conversational agents, content generation, andintelligent assistants. Led end-to-end machine learning pipelines, fromdata preprocessing and feature engineering to deployment and monitoring, while collaborating with cross functional teams andmentoringjunior engineers.

W

Velunteer

Women in AI & Robotics

Apr 2023 - Current (3 years 2 months)

Data Annotation

Telus International

Jul 2020 - Oct 2023 (3 years 4 months)

Accurately labeled and annotated large datasets (text, image, audio, or video) following specific guidelines to support machine learning model training and development. Performed quality assurance by reviewing and validating annotated data to ensure consistency, accuracy, andadherence toproject standards. Collaborated with data scientists and engineers to improve annotation processes and provide feedback for refining model performance and labeling criteria.

E

Data Scientist

Exaditama Technology Kreativa

Sep 2019 - Jun 2020 (10 months)

Developed personalized recommendation systems for e-commerce, leveraging collaborative filtering anddeeplearning toenhance user engagement. Built and optimizedAI-drivenvoice assistants, integrating NLPtechniques for improvedcustomer interactions andautomatedresponses. Implemented data-driven strategies using Python, TensorFlow, and NLP frameworks to enhance product recommendations and voice assistant accuracy.

S

Vice Leader

Student Association Geophyisics UNP

Mar 2015 - Mar 2016 (1 year 1 month)

G

Volunteer

Greenpeace Indonesia

May 2014 - Jan 2019 (4 years 9 months)

Winda Permata Sari

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