SECURITY RBAC Access
Escalation vectors closed
DATABASE Task.WhenAll
Query latency optimizations
ANALYTICS Power BI
Executive reports embedded
14 Shipped
7 features and 7 query performance fixes deployed to production
Projects
Selected Work
Production software, machine learning systems, and operations research.
Undergraduate Thesis
Fraud Detection ML Pipeline (Undergraduate Thesis)
Detecting payment fraud under 1:590 class imbalance using latent oversampling and LightGBM on the IEEE-CIS benchmark.
0.855 PR-AUC
74.7% recall at 89% precision · 3,087 caught
0.855 PR-AUC
74.7% recall at 89% precision · 3,087 fraud caught
“kemarin beli kopi 25rb di gofood”
IndoBERT Extraction
{ "date": "2026-03-02", "item": "kopi", "amount": 25000, "category": "Food" }
0.67 Probe Score
Probe accuracy increased from 0.47 to 0.67 with 0.93 category accuracy
01 Vendor Form Request Intake
02 Power Automate Validation
03 Adaptive Cards Approval
04 B-Simpel Official Letter
3 User Tests
Automated vendor request to signed appointment letter
“Pelayanannya sangat memuaskan dan cepat saat
check-in.”
pelayanan + sangat + memuaskan POSITIVE
“Aplikasi sering force close dan gagal saat bayar
tiket.”
force close + gagal bayar NEGATIVE: PAYMENT
0.852 Accuracy
1,756 passenger reviews classified with aspect-level complaint tags
P1 Corporate Contribution Strategic IT Alignment
P2 User Orientation Branch Service SLA
P3 Operational Excellence System Uptime
P4 Future Orientation Modernization
4 Perspectives
IT performance metrics mapped to board objectives
Raw Records 976k
Sampled 13.8k
Classes 138
138 Classes
SVM RBF baseline across 138 crime categories
R² 0.869 Model Fit
Random Forest fit on 10 years of monthly passenger data
TOP Bergamot · Mandarin
HEART Lavender · Patchouli
BASE Cedarwood · Ambroxan
Cosine similarity: 0.94
TF-IDF Cosine Match
Content based recommendations with live FastAPI backend
153.34 km
5 cluster routes within the 09:00 to 17:00 window
08:00
Amoxicillin 500mg
• ACTIVE 13:00
Paracetamol 650mg
SCHEDULED 20:00
Multivitamin 1 tablet
SCHEDULED Verified Android Build
Local reminder scheduling and Material 3 CRUD on Flutter
