Tumelo M.

Key Skills

Software

Other

Clickworker

Appen

Top Subject Matter

IT services

technical support

Tenders Domain Expertise

Top Data Types

Document

Text

Video

Top Task Types

Data Collection

Transcription

Fine-tuning

Question Answering

Text Generation

Segmentation

Function Calling

Freelancer Overview

Technical Director & IT Support Lead (AI/LLM output evaluation & annotation-adjacent QA). Brings 16+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Microsoft Office, Google Suite, and Other. Education includes Bachelor of Science, Jomo Kenyatta University of Agriculture and Technology (JKUAT) (2026) and International Computer Driving Licence, International Computer Driving Licence. AI-training focus includes data types such as Document and labeling workflows including Evaluation, Rating, and Data Collection.

Labeling Experience

Technical Director & IT Support Lead (AI/LLM output evaluation & annotation-adjacent QA)

Document

Provided quality and accuracy evaluation of technical/IT service outputs and maintained meticulous performance records for consistent feedback. Structured and processed large volumes of business documentation and tender data to support verification and annotation-style workflows. Applied QA and documentation discipline to deliver reliable outputs analogous to AI model output evaluation and preference annotation. • RLHF-style preference ranking support through accuracy/quality assessment of outputs • Structured feedback and documentation completeness for training data • Data verification workflows for large volumes of technical documents • Hallucination detection mindset via troubleshooting and reasoning evaluation

2016 - Present

Customer Service & IT Support Officer (annotation-adjacent structured data handling)

OtherDocumentData Collection

Maintained systematic records and managed customer data with high accuracy, supporting structured data collection practices. Provided multilingual customer service that required clear communication and text handling relevant to multilingual annotation workflows. Performed IT support and system maintenance activities demonstrating technical literacy in platforms used for labeling. • Structured recordkeeping for text/data labeling inputs • Multilingual customer interactions supporting EN/SW-type annotation context • Data accuracy verification and documentation discipline • Technical grounding for using AI labeling tools such as Label Studio, Argilla, and CVAT

2013 - 2015

Depot Supervisor (QA and documentation discipline)

OtherDocument

Applied QA frameworks to supervise staff output quality and maintain accurate operational records. Managed inventory documentation and generated reports with emphasis on meticulous data entry and correctness. Reinforced disciplined verification practices applicable to maintaining label quality in AI data projects. • QA-based supervision and performance tracking • Accurate documentation and record management • Consistent data entry and verification practices • Output quality monitoring relevant to annotation QC

2011 - 2012

Education

Work History