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Vasile Chișbac

@vasilechibac

Machine Learning Data Associate at Amazon Alexa who annotated voice and text datasets and coached colleagues as an SME.

At Amazon Alexa, I transcribed, evaluated, and annotated high-priority voice and text datasets to improve machine learning models. I was promoted to Subject Matter Expert and coached colleagues on meeting productivity and accuracy targets.

At Acadomia S.L., I served as an Elementary Education Lead Teacher for students aged 6–12 and designed lesson plans for primary learners. I also worked as a Customer Support Representative (Spanish) at Amazon, resolving account, order, and service inquiries.

Experience

Work history, roles, and key accomplishments

Customer Support Representative

Amazon

Sep 2023 - Dec 2023 (3 months)

Managed inbound customer queries in Spanish with high efficiency and exceptional customer satisfaction metrics. Resolved complex account, order, and service inquiries while adhering to Amazon quality standards.

Customer Support Spanish Problem Solving Quality Assurance Ticketing Systems

Machine Learning Data Associate I

Amazon

Jul 2019 - Jun 2023 (3 years 11 months)

Transcribed, evaluated, and annotated high-priority voice and text datasets to improve machine learning models. Promoted to Subject Matter Expert (SME), coaching and mentoring colleagues to meet productivity and accuracy targets.

Data Annotation Transcription Quality Assurance Business Mentorship data preprocessing Data Privacy

Elementary Education Lead Teacher

Acadomia S.L.

Sep 2014 - Aug 2016 (1 year 11 months)

Served as Lead Teacher for students aged 6–12, supporting academic development, emotional growth, and social skills. Designed engaging lesson plans and maintained communication with parents regarding student progress.

Lesson Planning Classroom Management Parent Communication Elementary Education