Felix Juma

Meticulous and tech-savvy Data Annotation Specialist with hands-on experience in AI training data workflows, annotation tools, and task quality assurance. With a strong background as an AI Tutor at Mindrift AI and project work with Remotasks, I bring a keen eye for detail, strong organizational skills, and the ability to follow complex guidelines. I'm passionate about helping machines understand the world better—one accurate label at a time.

AI Tutor – Content Specialist at Mindrift AI (2023-01 – Present)

• Labeled and curated high-quality datasets to support NLP and generative AI projects.
• Evaluated model outputs for correctness, coherence, and context alignment.
• Annotated datasets for tasks such as summarization, classification, and data cleaning.
• Collaborated with a distributed team to refine annotation workflows and task guidelines.

Data Annotation Specialist (Freelancer) at Remotasks (2022-01 – Present)

• Completed image, text, and 3D annotation tasks across computer vision and language projects.
• Participated in QA reviews, flagged ambiguous instructions, and helped improve task clarity.
• Ensured high-quality output by following strict guidelines and providing consistent labeling.

AI Writing Specialist & Technical Writer at Freelance / Remote (2021-01 – Present)

• Performed text annotation, tagging, and classification to support language model training.
• Reviewed and edited content to ensure annotation accuracy and completeness.
• Delivered client projects involving structured content creation and data formatting.

Content & Data Entry Specialist at Upwork / Fiverr (Freelance) (2019-01 – 2021-12)

• Handled annotation tasks including transcription, sentiment tagging, and categorization.
• Used annotation platforms to support AI dataset development and QA analysis.
• Maintained high attention to detail while meeting fast-paced project deadlines.

Associate Degree in Computer Science – University of the People, USA (2025-12)