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Felix Paul Sahaya Selva Xavier

Army Sergeant @ Singapore Armed Forces
Vlaams-Brabant, België

Applied Computer Science student majoring in Cybersecurity, currently seeking an internship in Belgium. Former Army Sergeant with 2 years of leadership, operational discipline, and crisis management experience—skills that directly support high-stakes cybersecurity environments. Proficient in vulnerability assessment, penetration testing, secure coding, and OWASP Top 10 mitigation. Hands-on experience with tools such as Wireshark, Burp Suite, and Nmap, as well as secure authentication and network hardening. Complemented by a solid technical foundation in Python, SQL, Java, JavaScript, and TypeScript, with practical knowledge of full-stack development, databases, and systems administration. Currently expanding expertise in cloud security and incident response. Brings a security-first mindset, strong work ethic, and commitment to continuous learning and contribution.

Tech stack

Front-end

JavaScript
TypeScript
React

Back-end

SQL
Java
Python
Taal
Vloeiend English
English
Vloeiend
Werkervaring
Since 2021
Army Sergeant @ Singapore Armed Forces
01 August 2021 - 01 August 2023

Trained new recruits, ensuring high skills and discipline; provided leadership advice to junior officers; ensured troop readiness through drills; led squad during training and managed logistical support.

Technician @ PowerQ
01 April 2021 - 01 August 2021

Collaborated with engineers for project execution; conducted air balancing procedures; managed inventory of spare parts.

Opleiding
Since 2019
Applied Computer Science @ University College Leuven-Limburg
01 September 2023 -

Bachelor of Arts in Applied Computer Science.

Science with computer science @ Global School Foundation
01 April 2019 - 31 March 2021

Certificate of Higher Education in Science with Computer Science.

Connect with Felix Paul Sahaya Selva Xavier

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