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Gopina Nadji Rex
IT Support Specialist with 3+ years of frontline technical support experience across five Web3 and blockchain platforms, serving a combined user base of 50,000+ members. Currently expanding into machine learning to bring data-driven automation to technical support operations.
Experience
01Technical Support Specialist
Trust Wallet (Trust Squad) · BNB Chain (Martian) · Lista DAO · Prodigy.Fi · RiteStream
- ~100 support interactions/week across Discord and Telegram — wallet, transactions, authentication, onboarding
- Diagnosed and escalated complex incidents to engineering teams with structured bug reports
- 100+ scam, phishing and impersonation attempts detected and reported
- Moderated a 15,000+ member DeFi community at Prodigy.Fi
- Authored troubleshooting guides and FAQs, reducing repeat-ticket volume
Machine Learning Intern
Future Interns
- Structured one-month internship — 3 end-to-end ML systems: sales forecasting, ticket auto-classification, resume screening
- Support-ticket classifier (NLP + TF-IDF + logistic regression) directly applicable to helpdesk automation
- Evaluated models with MAE, RMSE and accuracy — documented in reproducible Jupyter notebooks
Featured Projects
02
Full-stack + IoT
01COMIS
AI-IoT Cooperative Management System
A full management system for a Rwandan rice cooperative (ISABANE): farmer registry, delivery tracking, payments, IoT integration via a connected smart scale (Smart Umunzani, ESP32 + HX711), SMS notifications and AI analytics.
Climate-tech startup · Live site
02Umushinga AI
Climate Intelligence for Resilient Grids
Showcase site for a Kigali-based climate-tech startup: an AI-driven climate resilience platform for power infrastructure, selected for the EDP Energy Starter · Future Grids program.
Visit live site
Machine Learning · Detection API
03FraudGuard AI
Real-time fraud detection
A Flask API serving two fraud-detection models (card transactions and mobile money), with a real-time analytics dashboard, API-key authentication and automated email alerting.
Machine Learning · NLP · Notebook
04Support Ticket Classifier
TF-IDF + Logistic Regression
An ML pipeline (Jupyter notebook) that ingests raw support tickets and classifies them by category via TF-IDF and logistic regression. Baseline successfully executed — a starting point to improve on, not yet production-ready.
View on GitHub
Final-year project · Co-developed
05Ticket Bus CM
Mobile booking platform
A full-stack mobile bus-ticketing platform with secure payments and booking management, co-developed with a fellow engineer — joint deployment and post-launch maintenance.
Skills
03IT Support
- Helpdesk
- Ticket triage
- Incident response
- Remote support
Security
- Fraud detection
- Phishing detection
- User education
Systems
- Windows
- Linux
- macOS
Programming
- Python
- C
- Java
Machine Learning
- Scikit-learn
- Pandas
- NumPy
- NLP / TF-IDF
Web3 / Blockchain
- BNB Chain
- Trust Wallet
- DeFi
- DAO
Tools
- Zendesk
- Git
- Notion
- Jupyter
Languages
- French (fluent)
- English (professional)
- Nangjere (native)
Education
04Master in Information Technology
University of Lay Adventists of Kigali, Rwanda — Jan 2026 – Dec 2027
Bachelor in Fundamental Computer Science
University of Dschang, Cameroon — 2020 – 2025
- ●Machine Learning Internship Certificate — Future Interns (2026)
- ●Artificial Intelligence Fundamentals — IBM SkillsBuild (2025)
- ●Data Analysis Fundamentals Nanodegree — Udacity (2025)
Let's build something worth shipping.
Based in Kigali, available for IT support, ML or full-stack development roles.