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D
Denis T.

Denis T.

AI Training & Model Evaluation Specialist (Freelance/Independent)

Kenya flagNairobi, Kenya

Key Skills

Software

Other
AppenAppen
ClickworkerClickworker
CrowdSourceCrowdSource
LabelboxLabelbox

Top Subject Matter

LLM evaluation
Rlhf Domain Expertise
red teaming

Top Data Types

TextText
ImageImage
VideoVideo

Top Task Types

RLHFRLHF
Red TeamingRed Teaming
Computer Programming/CodingComputer Programming/Coding
ClassificationClassification

Freelancer Overview

AI Training & Model Evaluation Specialist (Freelance/Independent). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, The Catholic University of Eastern Africa (2025). AI-training focus includes data types such as Text, Computer Code, and Programming and labeling workflows including RLHF, Computer Programming, and Coding.

Labeling Experience

AI Training & Model Evaluation Specialist (Freelance/Independent)

OtherTextTextRLHFRLHF

Designed and refined complex prompts to evaluate large language model behavior across coding, logic, and creative-writing domains. Performed high-fidelity ranking of model responses using strict rubrics focused on truthfulness, helpfulness, and harmlessness. Conducted red-teaming sessions to identify vulnerabilities and edge-case failures and documented findings for iteration. • Built prompt sets and test scenarios to probe LLM capabilities • Evaluated outputs against rubric criteria for safety and quality • Identified failure modes through adversarial testing and edge cases • Automated data cleaning and formatting for training datasets using Python scripts

2024 - Present

Software Development Officer (YALI RLC East Africa)

Other

Developed and maintained Python automation used in data processing pipelines supporting operational workflows. Authored comprehensive SOPs and technical guides to improve usability and adoption of system outputs. Implemented Git workflows and troubleshooting practices to keep data-processing and systems functioning reliably for staff. • Automated data processing tasks to reduce manual workload • Maintained backend databases supporting a large user base • Documented procedures and technical guidance for consistent operations • Used version control and troubleshooting to support system reliability

2024 - 2025

Education

T

The Catholic University of Eastern Africa

Bachelor of Science, Computer Science

Bachelor of Science
2025

Work History

E

Equity Afya

Junior Project Lead (IT Systems)

Nairobi
2025 - Present
Y

YALI RLC East Africa

Software Development Officer

Nairobi
2024 - 2025