AI Research & Development Intern — Sector
Internship · Aug 2025 – Feb 2026 · 7 mos · Jakarta, Indonesia · Hybrid
Sector is a cybersecurity company specializing in penetration testing and security operations. As an AI R&D intern, I developed AI-powered tools to enhance their security workflows, built internal products, and contributed to the team's knowledge through research papers and presentations.
Highlights
- Built an AI Labeling System for the XOps internal platform, automating data classification and improving workflow efficiency
- Authored 3 research papers on AI applications in cybersecurity, threat detection, and AI vulnerabilities
- Delivered research presentations to the Sector team, sharing insights on AI/ML techniques and best practices
- Developed AI tools to accelerate penetration testing and cybersecurity operations
- Built automated threat detection systems that identify and flag security vulnerabilities
- Trained AI models on XOps data to automate data processing, improving efficiency by 20% over manual regex-based methods
Technologies: Python, Machine Learning, NLP, LLMs, Data Labeling, Cybersecurity, Git, Research
What people say
It was an absolute pleasure working alongside Joseph Davis Chamdani during his internship. He took on the challenging task of helping us build our vulnerability detection engine and exceeded expectations with his technical acuity and dedication.
Suredsi Ulpada, Lead IT Security Consultant, Sector
Great to have worked on the same team with Jo. He is always reliable and consistently delivers his best results, even in challenging situations.
Anggi Gunawan, Founder, Sector
Despite the different time zone, Jo consistently delivers exceptional work and adds great value to the team. Not only did he contribute to building an automated vulnerability detection system, but he also produced an outstanding research paper. His insights and expertise play a crucial role in shaping the direction of our ongoing projects. Jo's ability to analyze complex problems and propose effective solutions significantly enhances our team's performance.
Arfiki Kenan, Direct Manager, Sector
