Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I’m a results-driven AI Training and Data Annotation Lead with 6+ years of experience building large-scale structured datasets, running LLM quality assurance, and mentoring annotation teams. I focus on linguistic precision, workflow optimization, and maintaining consistency across multilingual, policy, and e-commerce oriented datasets. I’ve improved data quality by 10% and achieved 98%+ annotation accuracy through strong QA processes and careful prompt/response evaluation. I’m currently pursuing a PhD in Linguistics (computational language processing) to bridge academic insights with real-world dataset alignment and model performance.…I’m a results-driven AI Training and Data Annotation Lead with 6+ years of experience building large-scale structured datasets, running LLM quality assurance, and mentoring annotation teams. I focus on linguistic precision, workflow optimization, and maintaining consistency across multilingual, policy, and e-commerce oriented datasets. I’ve improved data quality by 10% and achieved 98%+ annotation accuracy through strong QA processes and careful prompt/response evaluation. I’m currently pursuing a PhD in Linguistics (computational language processing) to bridge academic insights with real-world dataset alignment and model performance.

ROBERT WACHIRA NDUGIRE

AI Prompt Engineer, Data Annotator, Data Analyst, +1





I’m a results-driven AI Training and Data Annotation Lead with 6+ years of experience building large-scale structured datasets, running LLM quality assurance, and mentoring annotation teams. I focus on linguistic precision, workflow optimization, and maintaining consistency across multilingual, policy, and e-commerce oriented datasets. I’ve improved data quality by 10% and achieved 98%+ annotation accuracy through strong QA processes and careful prompt/response evaluation. I’m currently pursuing a PhD in Linguistics (computational language processing) to bridge academic insights with real-world dataset alignment and model performance.…I’m a results-driven AI Training and Data Annotation Lead with 6+ years of experience building large-scale structured datasets, running LLM quality assurance, and mentoring annotation teams. I focus on linguistic precision, workflow optimization, and maintaining consistency across multilingual, policy, and e-commerce oriented datasets. I’ve improved data quality by 10% and achieved 98%+ annotation accuracy through strong QA processes and careful prompt/response evaluation. I’m currently pursuing a PhD in Linguistics (computational language processing) to bridge academic insights with real-world dataset alignment and model performance.

Available to hire

I’m a results-driven AI Training and Data Annotation Lead with 6+ years of experience building large-scale structured datasets, running LLM quality assurance, and mentoring annotation teams. I focus on linguistic precision, workflow optimization, and maintaining consistency across multilingual, policy, and e-commerce oriented datasets.

I’ve improved data quality by 10% and achieved 98%+ annotation accuracy through strong QA processes and careful prompt/response evaluation. I’m currently pursuing a PhD in Linguistics (computational language processing) to bridge academic insights with real-world dataset alignment and model performance.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Swahili

Fluent

Kikuyu, Gikuyu

Advanced

German

Advanced

Work Experience

AI Training & Prompt Engineer at OneForma (Centific)

February 1, 2022 - December 31, 2024

Developed and refined AI-generated responses to align with human intent. Created structured Q&A and business datasets using JSON, XML, and Markdown, and applied LLM feedback loops for continuous QA validation and model improvement. Collaborated with stakeholders to ensure delivery quality and consistency.

Search Evaluation & Annotation Specialist at TransPerfect

August 1, 2020 - April 30, 2021

Evaluated business-related search relevance and multimedia metadata. Provided analytical insights to refine content recommendation systems while ensuring search data aligned with quality and policy guidelines.

Translator, Transcriber & Voice-over Specialist at Mars Translations

November 1, 2019 - July 31, 2023

Delivered Swahili–English translations and voiceovers for business and media content. Conducted transcription and subtitle creation for AI-driven applications, ensuring linguistic accuracy, consistency, and appropriate formatting across deliverables.

Lead Data Annotation & AI Training Specialist at Remotasks

April 1, 2019 - January 31, 2024

Led a team of analysts delivering structured datasets for AI and LLM projects. Owned QA processes to improve annotation accuracy to 98% and increase efficiency by 10%. Designed workflows for text, image, and video annotation aligned to project requirements, and conducted performance reviews and training to maintain content quality and linguistic consistency.

Data Annotation & Transcription Specialist at Appen

March 1, 2017 - December 31, 2023

Performed linguistic annotation and transcription in Swahili and English to produce high-quality training data for NLP and voice recognition systems. Supported multilingual datasets for business and research projects, ensuring linguistic accuracy and formatting consistency for annotation outputs.