Titus K.

Key Skills

Software

Other

Top Subject Matter

NLP/ML data labeling

text classification

tabular data tagging

Top Data Types

Text

Document

Computer Code Programming

Top Task Types

Classification

Freelancer Overview

Data Entry Clerk & Data Analyst — Freelance (Upwork & Fiverr). Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, Kibabii University (2026) and Kenya Certificate of Secondary Education (KCSE), Koiwa High School (2021). AI-training focus includes data types such as Text and labeling workflows including Classification.

Labeling Experience

Data Entry Clerk & Data Analyst — Freelance (Upwork & Fiverr)

OtherTextClassification

Cleaned, categorized, and structured large text and tabular datasets for international clients, supporting NLP/ML-style annotation workflows. Applied rule-based validation to assign consistent labels across thousands of records, and flagged anomalies, ambiguous entries, and mislabeled items for quality control. Maintained a 99% accuracy rate across 20+ projects while meeting throughput expectations typical of production annotation environments. • Labeled/validated entries using rule-based logic aligned with labeling guidelines • Performed anomaly detection and correction to improve label quality • Used Excel formulas and basic Python scripts to classify and sort data for labeling • Delivered consistent outputs under tight deadlines for multiple projects

2022 - Present

Data Analyst (Intern) — Safaricom PLC

OtherTextClassification

Collected and cleaned customer service datasets, standardizing formats and removing noise to prepare data for downstream labeling and analysis. Categorized and tagged call-center interaction data to support pattern analysis similar to intent classification for conversational AI. Reviewed and validated data summaries against guidelines from senior analysts, applying consistent quality assurance checks before submission. • Cleaned and standardized datasets for labeling readiness • Categorized and tagged interaction records for intent/pattern analysis • Validated summaries for accuracy using QA principles • Followed analyst-provided guidelines consistently across large record sets

2024 - 2024

Data Entry Clerk — KCB Bank Kenya

OtherTextClassification

Entered and cross-verified structured customer data while adhering to strict formatting and accuracy standards. Identified and corrected duplicate and erroneous entries to support data quality review tasks that precede annotation. Reduced error rates by 15% through systematic checking, demonstrating reliability needed for consistent labeling. • Cross-verified formatted structured records for labeling accuracy • Deduplicated and corrected erroneous entries • Applied systematic error-checking to improve data quality • Maintained consistency across high-volume data entry

2023 - 2023

Education

Work History