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I’m Valentina Kisilu, an AI data annotator, trainer, and content specialist who enjoys turning complex instructions into high-quality training signals. I work with detailed guideline-based evaluations, semantic verification, and precise edits to ensure conversational outputs meet strict formatting and logic requirements. I also support multimodal training by labeling visual datasets with accurate 2D bounding boxes and transcribing audio with careful attention to spelling and alignment. With a strong background in quality-focused remote work—often maintaining accuracy above platform qualification benchmarks—I’m comfortable working independently while delivering consistent, privacy-aware results across multilingual projects.…I’m Valentina Kisilu, an AI data annotator, trainer, and content specialist who enjoys turning complex instructions into high-quality training signals. I work with detailed guideline-based evaluations, semantic verification, and precise edits to ensure conversational outputs meet strict formatting and logic requirements. I also support multimodal training by labeling visual datasets with accurate 2D bounding boxes and transcribing audio with careful attention to spelling and alignment. With a strong background in quality-focused remote work—often maintaining accuracy above platform qualification benchmarks—I’m comfortable working independently while delivering consistent, privacy-aware results across multilingual projects.

VALENTINA KISILU

AI Trainer, Data Annotator, Data Collector, +2

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I’m Valentina Kisilu, an AI data annotator, trainer, and content specialist who enjoys turning complex instructions into high-quality training signals. I work with detailed guideline-based evaluations, semantic verification, and precise edits to ensure conversational outputs meet strict formatting and logic requirements. I also support multimodal training by labeling visual datasets with accurate 2D bounding boxes and transcribing audio with careful attention to spelling and alignment. With a strong background in quality-focused remote work—often maintaining accuracy above platform qualification benchmarks—I’m comfortable working independently while delivering consistent, privacy-aware results across multilingual projects.…I’m Valentina Kisilu, an AI data annotator, trainer, and content specialist who enjoys turning complex instructions into high-quality training signals. I work with detailed guideline-based evaluations, semantic verification, and precise edits to ensure conversational outputs meet strict formatting and logic requirements. I also support multimodal training by labeling visual datasets with accurate 2D bounding boxes and transcribing audio with careful attention to spelling and alignment. With a strong background in quality-focused remote work—often maintaining accuracy above platform qualification benchmarks—I’m comfortable working independently while delivering consistent, privacy-aware results across multilingual projects.

Available to hire

I’m Valentina Kisilu, an AI data annotator, trainer, and content specialist who enjoys turning complex instructions into high-quality training signals. I work with detailed guideline-based evaluations, semantic verification, and precise edits to ensure conversational outputs meet strict formatting and logic requirements.

I also support multimodal training by labeling visual datasets with accurate 2D bounding boxes and transcribing audio with careful attention to spelling and alignment. With a strong background in quality-focused remote work—often maintaining accuracy above platform qualification benchmarks—I’m comfortable working independently while delivering consistent, privacy-aware results across multilingual projects.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Work Experience

Freelance AI Data Annotator, Trainer & Content Evaluator at Remotasks (Global AI Workforce Platform)

January 1, 2025 - Present

Created complex, domain-specific prompts and response outlines to assess and improve conversational logic of AI models. Evaluated model outputs using granular metrics, checking formatting accuracy, logical correctness, and guideline adherence. Completed long-form text rewriting and editing tasks to improve semantic flow, structure, and consistency with instruction rules. Labeled computer vision datasets by placing pixel-accurate 2D bounding boxes and assigning class identifiers. Transcribed high-volume audio strings and audited machine-generated handwriting recognition outputs, correcting variants and alignment while maintaining privacy compliance and strict platform scoring.

Remote Data Annotation Specialist at OneForma / CrowdGen (Centific Digital Solutions)

February 1, 2024 - December 31, 2024

Contributed to multilingual data optimization efforts, ensuring training inputs met defined quality compliance checks prior to delivery. Independently maintained performance evaluation scores above 92% and passed multiple complex project qualification assessments. Cross-referenced machine outputs with authoritative sources (e.g., dictionaries and target rules) to identify and correct informational data issues.

Customer Service & Data Registrar at CCI, Kenya

January 1, 2023 - January 31, 2024

Managed customer support communications across multi-channel environments, entering user metrics and updating client data logs within central CRM systems. Audited shift reports, database entries, and technical summaries to detect tracking anomalies and maintain highly accurate records.