- Recommendation & Prediction Systems
- Multi-signal scoring engines and data-driven prediction models; transparent approaches that can explain why a result came out the way it did.
- Object-Oriented Design & Layered Architecture
- N-Tier structures with C#/.NET; separating business rules from the UI to make them reusable and maintainable.
- Data Modeling & Relational Databases
- PostgreSQL and MS SQL Server; normalization, relationship design and indexing on frequently queried fields.
- Application Security
- JWT-based session management, password hashing with bcrypt, UUIDs instead of sequential IDs, and parameterized SQL queries.
- Web & Mobile Development
- End-to-end application development with React, React Native (Expo) and Node.js.