Open to opportunities

Grace Muga

@gracemuga

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Specialized Prompt Engineer and AI data annotation specialist improving models through RLHF feedback.

Kenya

Message

What I'm looking for

I’m looking for a Prompt Engineering role where I can optimize AI with RLHF, craft high-impact prompts, deliver rigorously labeled datasets, and train teams—working with clear specs, tight quality standards, and fast feedback cycles.

I’m a specialized Prompt Engineer and AI Data Annotation Specialist with 5+ years of experience optimizing AI model performance through human reinforcement learning feedback (RLHF). I focus on prompt crafting, response crafting, and prompt-to-output consistency—so teams can get reliable results aligned to real client expectations.

In AI trainer roles, I designed and implemented RLHF-driven prompt engineering techniques, and delivered high-quality labeled datasets for machine learning. I’ve executed point cloud data labeling using 3D bounding boxes and semantic segmentation for autonomous vehicle and robotics projects, while running comprehensive quality checks to ensure precision and compliance with client specifications.

I also bring deep transcription expertise, delivering audio and video transcriptions with 99%+ accuracy, including interviews, podcasts, webinars, legal proceedings, and corporate meetings. I’ve trained others on maintaining data quality and resolving data anomalies, including delivering AI data analysis and annotation training aligned to World Health Organization standards through the Human Needs Program.

Experience

Work history, roles, and key accomplishments

Professional Transcriptionist

Rev

Jan 2020 - Jan 2025 (5 years)

Delivered 99%+ accurate audio and video transcriptions for interviews, podcasts, webinars, legal proceedings, and corporate meetings. Produced verbatim and clean-read transcripts with strict deadline management, using timestamping and handling multi-speaker audio with technical terminology and accents.

Audio Transcription Clean Read Transcription Time Stamping Legal Transcription Quality Assurance

AI Trainer & Data Annotation

Remotasks / Outlier

Jan 2020 - Jan 2025 (5 years)

Designed prompt engineering workflows using prompt crafting, response crafting, and RLHF, and executed point-cloud labeling with 3D bounding boxes and semantic segmentation. Performed rigorous QA on labeled datasets, trained teams to identify data anomalies, and refined prompts and annotation strategies based on client feedback.

Prompt Engineering Crafting Prompts Response Crafting Data QA

Consulting Trainer (WHO)

Human Needs Program – World Health Organization

Jan 2022 - Present (4 years 5 months)

Delivered training on AI data analysis and annotation practices aligned to WHO standards. Coached trainees to maintain data-quality and align work with organizational mission and vision.

AI Data Analysis Data Annotation Quality Standards Training Delivery Coaching AI Data Annotation Standards Based QA

Data Analytics Specialist

The Houghton Hospital

Jan 2020 - Present (6 years 5 months)

Conducted data entry and analysis for patient records, using intermediate SQL queries and JSON handling to support accurate data flow across insurance, doctors, and the finance department. Performed data validation and quality assurance on healthcare datasets.

SQL (Intermediate)JSON Data Validation Data Quality Assurance Analytics Support

Education

Degrees, certifications, and relevant coursework

Maseno University

Bachelor of Science in Environmental Science (with IT), Environmental Science (with IT)

Bachelor of Science in Environmental Science (with IT) covering environmental planning, environmental law, natural resource management, EIA, hydrology, SPSS, and web design.