class JayantVaibhav:
name = "Jayant Vaibhav"
location = "📍 Jaipur, Rajasthan, India"
education = "🎓 B.Tech CSE (AI & ML) — UEM Jaipur"
cgpa = "⭐ 9.0 / 10.0 | Top 10 Rank"
role = "💼 SWE Intern @ Infotact Solutions"
tech = {
"AI / ML" : ["XGBoost","LightGBM","SHAP","SMOTE","NLP"],
"Cloud" : ["AWS SageMaker","GCP Vertex AI","BigQuery"],
"Code" : ["Python","Java","C++","Kotlin","SQL"],
"Tools" : ["Git","Docker","Power BI","Jupyter"],
}
wins = [
"🥇 IIT BHU National Hackathon Winner (2024)",
"🎙️ Ace Hack 4.0 Organizer — 250+ participants",
"📡 IEEE Professional Member",
"💰 $2M+ Fraud Prevented via ML Pipeline",
]
socials = "@apnavlogzone" # YouTube & Instagram
motto = "Build. Break. Learn. Repeat. 🔁"
╔══════════════════════════════════════════════════════════════════════════╗
║ 💰 FINANCIAL TRANSACTION FRAUD DETECTION SYSTEM 💰 ║
║ Accredian Business Case | AWS SageMaker | XGBoost + SMOTE ║
╚══════════════════════════════════════════════════════════════════════════╝
Dataset ──► 6.36M rows × 10 cols | 0.13% fraud rate (severe imbalance)
Pipeline ──► Feature Engineering → SMOTE → XGBoost → Threshold Tuning → PSI Monitoring
Results ──► ROC-AUC: 0.9997 | PR-AUC: 0.87 | 💸 $2M+ Fraud Prevented
Deploy ──► AWS SageMaker Endpoint | Tiered auto-block + step-up auth logic
| 📊 Metric | 🔢 Value | 🏅 |
|---|---|---|
| ROC-AUC Score | 0.9997 | 🥇 |
| PR-AUC Score | 0.87 | 🥇 |
| Dataset Size | 6.36M rows | 📦 |
| Features Engineered | 10+ | 🔧 |
| Fraud Prevented (test) | $2M+ | 💰 |
| Class Imbalance Handling | 0.13% → balanced | ⚖️ SMOTE |
Key Fraud Signals: errorBalanceOrig • account drain-to-zero • TRANSFER/CASH_OUT type • destination balance unchanged
Stack:
| 🟢 Easy | 🟡 Medium | 🔴 Hard | ✅ Total | 🔥 Max Streak | 📅 Active Days | 📤 Yearly Submissions |
|---|---|---|---|---|---|---|
| 52 | 13 | 2 | 67 | 20 days | 32 days | 112 |
🧠 Daily grind in C++ & Java — one problem at a time, one skill at a time.
🟣 Software Engineering Intern — Infotact Solutions | Sep 2025 – Present
- ⚙️ Production modules in Java, SQL, REST APIs
- ⚡ Query optimization → 30% latency reduction
- 🚀 20% better deployment frequency via agile sprints
- 📋 System design reviews & API documentation
🟠 AWS AI-ML Virtual Intern — Amazon Web Services | 2025
- 🤖 ML pipelines on AWS SageMaker
- 👁️ Rekognition for image analytics
- 💬 Comprehend for NLP text classification
- 🎛️ Hyperparameter tuning & endpoint deployment
🟢 Google Android Developer Intern — Google | 2024
- 📱 Android apps in Java/Kotlin + Firebase
- 🎨 UI/UX design patterns & Play Store deployment
🔵 Google Cloud Intern — Google Cloud | 2024
- 📊 BigQuery for large-scale data analytics
- 🔁 CI/CD pipelines + Document AI automation
〔 Languages 〕
〔 ML / AI / Data Science 〕
〔 Cloud 〕
〔 Web & APIs 〕
〔 Tools & DevOps 〕
〔 Specialties 〕
| 🎖️ Certification | 🏢 Issuer | 📅 Status |
|---|---|---|
| ☁️ AWS Academy Cloud Foundations | Amazon Web Services | ✅ Nov 2024 |
| 🔐 Google Cloud Cybersecurity | Google Cloud | ✅ Jan 2025 |
| 📊 Google Cloud Data Analytics | Google Cloud | ✅ Valid till Dec 2027 |
| 🤖 Generative AI with Gemini | ✅ Completed | |
| 🔍 Document AI Skill Badge | Google Cloud | ✅ Completed |
| 👁️ Visual Inspection AI | Google Cloud | ✅ Completed |
| 🔁 CI/CD Pipelines on GCP | Google Cloud | ✅ Completed |
| 💬 Prompt Design in Vertex AI | Google Cloud | ✅ Completed |
| 📱 Android Development | ✅ Completed | |
| 🏃 Agile Practices | — | ✅ Completed |
| 🛡️ Cloud Security | — | ✅ Completed |
╔══════════════════════════════════════════════════════════════════════╗
║ 🥇 Winner — Innovation Challenge @ IIT BHU (2024) ║
║ National Level Competition ║
╠══════════════════════════════════════════════════════════════════════╣
║ 🎙️ Hackathon Organizer — Ace Hack 4.0 ║
║ Mentored 15+ teams | 250+ participants ║
║ Rajasthan's Largest Student Hackathon ║
╠══════════════════════════════════════════════════════════════════════╣
║ 🎓 Top 10 Academic Rank | CGPA: 9.0/10 | Every Semester ║
╠══════════════════════════════════════════════════════════════════════╣
║ 📡 Professional Member — IEEE ║
╠══════════════════════════════════════════════════════════════════════╣
║ 🚀 Activity Lead — PRADYOG Club ║
║ 10+ events | 40% engagement boost ║
╠══════════════════════════════════════════════════════════════════════╣
║ 🏆 Participated in 8+ National Level Hackathons ║
╠══════════════════════════════════════════════════════════════════════╣
║ 📺 YouTube Tech Blogger @apnavlogzone — 5,000+ cumulative views ║
╚══════════════════════════════════════════════════════════════════════╝
💡 Open to: ML Internships • AI Project Collabs • Hackathon Teams • Research
📍 Based in Jaipur, Rajasthan — Building ML solutions that make real-world impact.