Available to hire
I am Armando Castro Jr., a freelance data annotation specialist.
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Language
English
Advanced
Work Experience
Data Annotator at Freelance
January 1, 2023 - January 1, 2025Performed data annotation tasks for various clients, ensuring label accuracy and consistency across datasets; collaborated with teams to define labeling guidelines and delivered results within deadlines.
Social Media Evaluator at Freelance
January 1, 2023 - January 1, 2025Evaluated social media content quality and relevance, applying guidelines to classify content and improve platform safety and user experience.
Search Engine Evaluator at Freelance
January 1, 2023 - January 1, 2025Assessed search results relevance and quality, providing feedback to improve search ranking and user satisfaction.
Ads Quality Rater at Freelance
January 1, 2023 - January 1, 2025Reviewed online ads for policy compliance and quality standards, reporting issues and ensuring high-quality ad experiences.
Prompt Writer at Freelance
January 1, 2023 - January 1, 2025Created prompts for AI models to support content generation and tool testing.
Software Developer at FennecTeck
January 1, 2019 - January 1, 2023Designed and developed RESTful APIs; deployed APIs on AWS; configured and designed database environments.
Software Developer at RNR Digital Consultancy
January 1, 2018 - January 1, 2019Developed multiple custom web and mobile applications; built RESTful APIs and designed database environments; deployed application environments to AWS.
Education
BS Computer Science at Pangasinan State University
January 1, 2013 - January 1, 2017Qualifications
Industry Experience
Software & Internet, Professional Services, Education, Media & Entertainment
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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