Thrivi User
@thriviuser
Computer Science student at the University of Johannesburg who built and deployed LLM guardrails against prompt injection, jailbreaks, and data exfiltration.
South AfricaWhat I'm looking for
At FlyRank AI, I authored a capstone research paper on predicting SEO opportunity scores and designed a ranked action queue with human-review safeguards. I used client-grouped cross-validation to prevent data leakage.
I built and deployed LLM guardrail systems that defend against prompt injection, jailbreaks, and data exfiltration, including a dual-tier security microservice. I’m studying Computer Science and Informatics at the University of Johannesburg and have completed 14 security certifications and badges.
Experience
Work history, roles, and key accomplishments
Machine Learning Intern
FlyRank AI
Jul 2026 - Sep 2026 (2 months)
Authored a capstone research paper on predicting SEO opportunity scores, demonstrating the non-linear position-to-CTR relationship. Used client-grouped cross-validation to prevent data leakage and designed a ranked action queue with human-review safeguards.
Education
Degrees, certifications, and relevant coursework
University of Johannesburg
BSc IT, Computer Science and Informatics
2025 -
Pursuing a BSc in Information Technology with a focus on Computer Science and Informatics, currently in the second year.
Lalaji Memorial Omega International School
IB Diploma, General Studies
2022 - 2024
Completed the International Baccalaureate Diploma Programme.
KC7 Foundation
Security Analyst I, Security
Earned the Security Analyst I certification.
LetsDefend
SOC Member, Security
Earned the SOC Member certification.
Cisco
Cybersecurity Defense Analyst Career Path, Cybersecurity
Completed the Cybersecurity Defense Analyst Career Path and Introduction to Cybersecurity courses.
Fortinet
NSE 3, Network Security
Earned the Fortinet NSE 3 certification, valid until July 2028.
Red Team Leaders
Purple Team - Active Directory and AzureAD v1, Security
Completed the Purple Team - Active Directory and AzureAD v1 and Certified LLM Security Expert certifications.
PortSwigger Web Security Academy
Web LLM Attacks learning path, Web Security
Completed the Web LLM Attacks learning path with hands-on labs.
Cisco
Linux Unhatched, Networking
Completed the Linux Unhatched and Networking Basics courses.
Microsoft
Administer Active Directory Domain Services, Systems Administration
Earned the Microsoft Applied Skills: Administer Active Directory Domain Services certification.
Securiti AI
AI Security and Governance, AI Security
Completed the AI Security and Governance certification.
AttackIQ
menuPass Emulation Plan Execution, Adversary Emulation
Completed the menuPass Emulation Plan Execution and Attack Flows v2: How to Model and Sequence Attacks certifications.
Availability
Location
South AfricaAuthorized to work in
Salary expectations
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