Available to hire
Hi, I’m JONNAH CONTORNO — a dynamic Quality Assurance Specialist with over five years of experience in data annotation and quality management. I excel at training, process improvement, and project coordination, with a proven track record of boosting accuracy and efficiency in QA operations.
I’m eager to leverage my expertise in data quality and team collaboration to drive success for prospective employers. I thrive in fast-paced environments, mentor teammates, and continuously seek ways to enhance data integrity and delivery outcomes.
Experience Level
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Language
English
Fluent
Work Experience
LiDAR Annotator / Trainer at Remotasks
January 1, 2022 - January 1, 2022Conducted in-depth training sessions for new annotators on LiDAR and segmentation projects, providing hands-on guidance to ensure consistency and adherence to project guidelines. Collaborated with project managers and QA teams to maintain high data quality standards.
Quality Assurance Specialist at Flipside AI
July 1, 2023 - July 1, 2023Monitored and evaluated annotation outputs to maintain client-required accuracy levels. Developed and implemented process improvements to streamline QA operations and reported performance metrics.
Reviewer / Annotator at Glimmertech
July 1, 2022 - July 1, 2022Reviewed annotated data for accuracy and compliance with labeling standards, working closely with annotators to correct labeling issues and enhance dataset precision.
Data Labeler at Epinote
January 1, 2021 - January 1, 2021Labeled and categorized visual and textual datasets for machine learning model training, ensuring data integrity and completeness following annotation guidelines.
Dotter at Two Dots
September 1, 2022 - September 1, 2022Performed detailed dot annotation for computer vision projects, maintaining consistency across datasets with strict adherence to quality protocols.
Quality Analyst/ Project Manager/ QMO at Annotation Support
January 1, 2023 - November 8, 2025Managed annotation projects from start to delivery, ensuring data quality and timely completion. Supervised QA, reviewed their work, and provided feedback. Coordinated with clients to align on project scope.
Data Annotator at RF Tech Solutions
July 1, 2023 - July 1, 2023Participated in vehicle and mapping-related data annotation projects, focusing on feature identification and classification, along with real-time scanning on rental vehicles.
Data Labeler at Reducto AI
October 1, 2023 - October 1, 2023Annotated image datasets for LLM AI model training while maintaining high accuracy rates and adhering to project deadlines.
LiDAR Annotator / Trainer at Remotasks, Bacolod City
April 1, 2019 - May 1, 2021Facilitated comprehensive training sessions for new annotators on LiDAR and segmentation projects; delivered hands-on guidance ensuring consistency with project guidelines; assessed trainees' progress, providing constructive feedback to improve accuracy and efficiency; collaborated with project managers and QA teams to uphold high data quality standards.
Quality Assurance Specialist at Flipside AI, Bacolod City
September 1, 2022 - September 1, 2024Monitored and evaluated annotation outputs to meet client-required accuracy levels. Formulated and instituted process improvements to optimize QA operations. Analyzed performance metrics and pinpointed areas for training and optimization.
Reviewer / Annotator at Glimmertech, Bacolod City
April 1, 2018 - May 1, 2019Evaluated annotated data for accuracy, consistency, and compliance with labeling standards. Collaborated closely with annotators to rectify labeling issues and enhance dataset precision.
Data Labeler at Epinote, Poland
March 1, 2021 - March 1, 2022Categorized and labeled visual and textual data sets for machine learning model training. Ensured data integrity and compliance following strict annotation guidelines.
Dot Annotator at Two Dots, San Francisco
April 1, 2024 - June 1, 2024Executed detailed dot annotation for computer vision projects requiring precise point labeling. Maintained consistency across data sets through strict adherence to quality protocols. Evaluated confidential documents for AI learning machines.
Quality Analyst / Project Manager / QMO at Annotation Support, Japan
September 1, 2023 - September 1, 2025Directed annotated projects from initiation to delivery, ensuring high data quality and timely completion. Oversaw project teams, supervising QA personnel, reviewing their work, and providing constructive feedback. Coordinated effectively with clients and internal teams to align on project scope and deliverables.
Data Annotator at RF Tech Solutions, Bacolod City
January 1, 2024 - August 1, 2025Engaged in vehicle and mapping-related data annotation projects, focusing on feature identification and classification, including real-time scanning of rental vehicles.
Data Labeler at Reducto AI, San Francisco
May 1, 2024 - June 1, 2024Annotated image datasets for LLM AI model training. Maintained strict accuracy rates while meeting project deadlines.
Education
Drafting Technology at Mindanao State University – Iligan Institute of Technology
January 1, 2000 - January 1, 2000Computer Secretarial – Level 2 at International Computer Science Academy (ICSA), Kuwait
January 11, 2030 - November 8, 2025Drafting Technology at Mindanao State University – Iligan Institute of Technology (MSU-IIT)
January 1, 2000 - November 8, 2025Computer Secretarial - Level 2 at International Computer Science Academy (ICSA), Kuwait
January 11, 2030 - November 8, 2025Drafting Technology at Mindanao State University – Iligan Institute of Technology (MSU-IIT)
June 1, 1990 - October 1, 1990Qualifications
Industry Experience
Computers & Electronics, Media & Entertainment, Professional Services, Education, Software & Internet
Experience Level
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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