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Alina ShajiAS
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Alina Shaji

@alinashaji

I build AI, computer vision, and browser security tools that improve safety and automation.

India
Message

I've built SentinelX at MatryxSoft Tech LLP, a Chrome extension that flags phishing and malicious sites before users interact with them. I combined URL entropy analysis, domain reputation scoring, heuristic classifiers, allowlisting, and session caching to reduce false positives.

During my AI and Cybersecurity internship, I led QA and security testing across web and mobile applications, creating test plans and triaging vulnerabilities by severity. My work helped ensure zero critical defects reached production.

I also developed a real-time hand-gesture application launcher using Python, OpenCV, MediaPipe, and Flask, translating gestures into system-level commands with sub-second response times. For LLM applications, I designed a RAG pipeline using LangChain, FAISS, OpenAI API, and Flask to ground responses in user documents and improve factual precision.

I'm pursuing a B.Tech in Computer Science and Engineering with an AI & ML specialisation and Cyber Security honours at CHRIST University. I also co-authored a 2026 book chapter on quantum-enhanced heart disease prediction using classical and quantum machine learning models.

Experience

Work history, roles, and key accomplishments

ML

AI & Cybersecurity Intern

MatryxSoft Tech LLP

Apr 2026 - May 2026 (1 month)

Engineered SentinelX, a Chrome extension using URL entropy analysis, domain reputation scoring, and heuristic classifiers to flag phishing and malicious sites pre-load, reducing false positives via curated allowlisting and session caching. Led end-to-end QA and security testing across web/mobile apps, building test plans, triaging vulnerabilities by severity, and ensuring zero critical defects rea

ML

Computer Vision & AI Intern

MatryxSoft Tech LLP

Apr 2025 - May 2025 (1 month)

Built a real-time hand gesture recognition system mapping gestures to system-level commands, using a custom-curated dataset trained for consistent accuracy across lighting, hand sizes, and skin tones. Integrated OpenCV video processing with a Flask backend, achieving sub-second gesture-to-action response validated across live deployment environments.

Education

Degrees, certifications, and relevant coursework

CHRIST (Deemed to be University) logoCU

CHRIST (Deemed to be University)

Bachelor of Technology, Computer Science and Engineering

2023 -

Grade: 8.92/10.0

Pursuing a Bachelor of Technology in Computer Science and Engineering with a specialization in AI & ML and an Honours in Cyber Security, maintaining a CGPA of 8.92/10.0.

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