Charlses O.

Key Skills

Software

Other

Don't disclose

Top Subject Matter

AI job aggregation

workforce systems

data integrity for job matching

Top Data Types

Text

Document

Top Task Types

Red Teaming

Data Collection

Freelancer Overview

Business Analyst — Epixet Technologies Limited (AI-powered job aggregation platform). Brings 12+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal, Proprietary Tooling, and Other. Education includes Bachelor of Science, N/A and Professional Certificate, Google (2024). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Red Teaming.

Labeling Experience

Customer Support Assistant (Freelance) — customer support & protocol compliance screening

Don't discloseTextData Collection

Performed remote and onsite customer support by resolving technical inquiries and issues. Conducted pre-board screening tasks by verifying compliance with security protocols. Maintained detailed records used to improve service quality and operational effectiveness. • Collected and recorded compliance and support information for client onboarding. • Verified adherence to security protocols during screening steps. • Documented issues and resolutions to improve downstream processes. • Coordinated information flow between client and technical teams.

2015 - Present

Business Analyst — Epixet Technologies Limited (AI-powered job aggregation platform)

Text

Led analysis and design of an AI-powered job aggregation platform that processed 5,000+ daily listings, improving matching accuracy by 65%. Implemented data validation and anomaly detection to ensure the platform’s data quality and integrity. Translated business requirements into scalable solutions to support AI-driven matching and job board capabilities. • Validated and monitored listing data for errors, inconsistencies, and anomalies. • Used labeling-like evaluation feedback to improve matching performance and accuracy. • Designed ETL pipelines and CRM/ERP integration to keep training/inference datasets consistent. • Contributed to AI job board and workforce systems development where data quality directly affected model outputs.

2021 - 2025

Head of Information Technology — Offcamper Tech Limited

OtherTextRed Teaming

Designed and implemented secure backend systems following OWASP standards and enforced role-based access control (RBAC). Integrated SAST/DAST tools into CI/CD pipelines and established SOC2-aligned audit trails. Contributed to secure system validation practices to maintain correctness and reliability of sensitive data flows. • Configured automated security testing (SAST/DAST) as part of continuous integration. • Defined access controls and monitoring that support secure data processing. • Implemented encryption and tokenization to prevent sensitive data exposure. • Maintained security compliance controls that acted as validation gates for system outputs.

2015 - 2025

Education

Work History