01 / Systems
Backend services, API design, distributed systems, databases, testing, and pragmatic full-stack delivery.
Selected evidence
A compact 6×6 Sudoku with deterministic daily puzzles, unique-solution generation, unlimited practice, pencil notes, hints, local streaks, and accessible keyboard and touch controls.
A responsive crown-placement puzzle with deterministic daily boards, an exact unique-solution generator, unlimited practice, local streaks, and accessible keyboard and touch controls.
A polished 4- and 5-letter Wordle-style game with keyboard play, curated answers, generated dictionary validation, and an optional NestJS API for daily puzzles and anonymous stats.
An original Canvas arcade experience evolved from a Pygame training project, with responsive controls, endless progression, multi-villain encounters, and local high-score persistence.
An order-processing API with normalized PostgreSQL models, Sequelize migrations, Express routes, tests, logging, and Swagger documentation.
A location-aware Android and web platform for reporting and sharing traffic conditions through a central server.
A Python and Scapy implementation of an ICMP-based ARP spoof detection method, including corrections to the referenced algorithm.