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Hossain RaselHossain Rasel

Full-Stack & DevOps Engineer

Portrait of Hossain Rasel
  • HTML
  • CSS
  • JavaScript
  • TypeScript
  • React
  • Next.js
  • Tailwind CSS
  • Node.js
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✦ Featured work

Things I built and shipped

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ExamSecurity

2026

A secure online examination platform with an immutable audit trail and a real-time risk-scoring engine.

  • Next.js
  • React
  • TypeScript
  • Tailwind CSS
  • Express
  • +10
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✦ The stack

Tools I reach for

Frontend

  • HTML
  • CSS
  • JavaScript
  • TypeScript
  • React
  • Next.js
  • Tailwind CSS

Backend

  • Node.js
  • REST APIs
  • SQL

DevOps

  • Git
  • GitHub
  • Docker
  • CI/CD
  • Linux
✦ Hackathons

Latest results

✦ Articles

Writing on Medium

All articles
August 20268 min read

Building an Immutable Audit Trail for Online Exams

How I designed an append-only audit trail that records every action a student takes during an exam — tab switches, copy attempts, network-drop resumes — and why the log is the real source of truth.

  • Node.js
  • Security
  • PostgreSQL
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September 20266 min read

Risk Scoring Without Accusing Students

A machine-learning service watches an exam session in real time and assigns a 0–100 risk score. The catch: it only tells an invigilator where to look. A human still makes the call.

  • Python
  • scikit-learn
  • FastAPI
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