SK

Simon Kahenya

Available to hire

Hi, I'm Simon Kahenya, an AI and machine learning expert with a PhD in Computer Science and Mathematics.

About

Hi, I’m Simon Kahenya, an AI and machine learning expert with a PhD in Computer Science and Mathematics. I specialize in AI model training, large language model evaluation, data annotation, and machine learning research.

I bring over 10 years of experience across academia, research institutions, and leading AI companies, contributing to deep learning, NLP, and computer vision. I’m driven to advance AI technologies through robust model evaluation, optimization, and scalable data annotation.

  • 12 years' experience
  • Joined January 2026

Languages

  • EnglishFluent
  • SwahiliFluent
  • FrenchAdvanced

Industry experience

  • Software & Internet
  • Media & Entertainment
  • Education
  • Professional Services
  • Telecommunications
  • Computers & Electronics

Work experience· 8 roles

AI Trainer (Part-time) · Turing TechnologiesMay 2025 – Aug 2025 · 4 mos

Annotated and evaluated AI model responses for mathematics and computational reasoning tasks. Designed validation checks and evaluation rubrics for STEM-related datasets. Collaborated with technical leads to test and refine model interpretability and logical reasoning outputs.

LLM Trainer & Prompt Generator · TELUS INTERNATIONAL AI DivisionDec 2024 – Present · 2 yrs

Design and evaluate high-quality prompts for AI reasoning, mathematical problem-solving, and Python coding tasks. Conduct in-depth LLM testing and refinement across mathematics, logic, and computational tasks. Collaborate with cross-functional teams on model evaluation strategies to enhance reasoning consistency. Train evaluators and oversee alignment-based model training ensuring adherence to prompt quality frameworks. Integrate SciCode tools for model testing, dataset validation, and analysis of AI reasoning structures.

Quality Manager - Mathematics Prompt Evaluation · Outlier AI Mathematics DomainMar 2024 – Feb 2025 · 1 yr

Supervised data quality assurance for mathematics domain prompts used in LLM fine-tuning. Led prompt evaluation teams focused on ensuring clarity, accuracy, and reasoning depth in datasets. Contributed to development of metrics for assessing LLM mathematical reasoning reliability.

Senior AI Researcher & LLM Model Evaluator · Google DeepMindJan 2021 – Present · 5 yrs 11 mos
Machine Learning Engineer & AI Model Trainer · Microsoft Research CambridgeJan 2018 – Jan 2021 · 3 yrs 1 mo
Teaching Assistant & AI Research Associate · University of EdinburghJan 2016 – Jan 2018 · 2 yrs 1 mo
Lecturer Mathematics and AI Applications (Part-time) · Chelmsford Institute of TechnologySep 2014 – Present · 12 yrs 3 mos
Data Scientist & Machine Learning Specialist · Amazon Web Services (AWS)Jan 2014 – Jan 2016 · 2 yrs 1 mo

Education· 9

PhD · University of Cambridge2016 – 2020
Master's · Imperial College London2014 – 2016
Bachelor's · University of Oxford2010 – 2014
PhD in Computer Science & Mathematics · University of Cambridge2016 – 2020

Certifications and awards· 6

Deep Learning Specialization2021 – 2026
NLP with Transformers2022 – 2026
AI Ethics & Fairness in Machine Learning2023 – 2026
Deep Learning Specialization2021 – 2026

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