Things I've built

Discord bot ecosystem for the MMORPG Tibia, recognized as a Promoted Fansite by the game’s developers and listed on the official Tibia website. Used in over 17,000 servers worldwide.

• Serves 6,000 monthly active users and handles an average of 114,000 command requests per month.
• Built services to scrape and process game data, generating large historical datasets (235M+ records across player activity and events).
• Provides real-time event notifications and account-linked insights for players.
• Migrated the codebase from Python to Kotlin, consolidating into a monorepo and improving maintainability through static typing and unified service architecture.
• Implemented automated pipelines with GitLab CI/CD to build, test, and deploy Docker images to a self-managed Ubuntu VDS.
• Set up observability with Prometheus, Grafana, and Metabase, ensuring reliable monitoring and long-term uptime.

Engineered the backend for a mobile platform connecting patients and doctors, with integrations for payments, mapping, and notifications.

• Designed and implemented an HTTP API backend to support iOS and Android apps.
• Built a relational database with PostGIS extensions for geospatial queries, managing users, service history, and ratings.
• Integrated Stripe Connect for in-app payments between patients and doctors.
• Implemented Google Maps API for travel time estimation and geocoding.
• Configured Firebase Cloud Messaging to deliver real-time server-to-mobile notifications.
• Deployed as a Docker Compose project on a VPS, including application and database containers.

Took over development of a car insurance quotation platform, improving code quality while delivering new backend and frontend features.

• Integrated a third-party REST API for geocoding and insurance quote generation.
• Designed models for serialization and database storage of users, quotations, and policies.
• Extended the admin panel with tools to manage users, quotations, and insurance policies.
• Built front-facing web forms for generating insurance quotes.
• Cleaned up and standardized frontend code, significantly improving maintainability of the CSS and UI.

Python library for scraping and deserializing Tibia.com data, originally extracted from NabBot and maintained as a standalone package.

• Published on PyPI and GitHub with full documentation on Read the Docs, plus a Dockerized API server for quick deployment.
• Reached 40+ GitHub stars and averages ~350 monthly downloads, with adoption by community developers beyond NabBot.
• Designed strongly typed data models and a client API to standardize scraped content.
• Maintained >90% test coverage, ensuring reliability even as Tibia.com changed its HTML structure.
• Continues in active maintenance, providing fixes for site changes while the feature set remains stable and complete.

Python tool that ingests TibiaWiki articles via the MediaWiki API and converts them into a structured SQLite database.

• Published on PyPI and GitHub with documentation built in MkDocs; also provides a Docker script for quick setup.
• Reached 30+ GitHub stars and averages 100 monthly downloads, with community contributions alongside solo development.
• Processes thousands of TibiaWiki articles into structured data, enabling developers to query and analyze content directly from a relational database.
• Maintained as a stable project, still synchronized with TibiaWiki updates.

Kotlin JVM library for parsing Tibia.com content, developed during NabBot’s migration from Python to Kotlin and now powering NabBot in production.

• Published on Maven Central, available for integration by other developers.
• Provides strongly typed models and a Ktor-based client for reliable website parsing.
• Handles ~2,500 requests per minute in production through NabBot.
• Maintains 90%+ test coverage and automated builds with GitHub Actions and Docker.
• Actively maintained with ongoing fixes for upstream site changes.

Side project developed with a small team as a two-sided job marketplace app.

• Built a native Android application with geolocation services to match users offering and requesting odd jobs.
• Migrated the codebase from Java to Kotlin during Android’s adoption of Kotlin as an official language, improving readability and maintainability.
• Integrated Firebase Messaging Service for job notifications and progress tracking.
• Implemented Google authentication using Firebase for account management.
• Designed and connected the app to a SQL database for storing user and job data.
• Introduced GitLab CI/CD pipelines to automatically generate APK builds, enabling the team to test and share updated versions throughout development.

Android Things library for the RC522 RFID module, providing communication between the device and compatible tags.

• Implemented complete functionality for card authentication, block read/write, and memory operations (increase, decrease, transfer).
• Published to Bintray as one of my first publicly released libraries.
• Reached 45 GitHub stars and received community use before Android Things was discontinued.
• Now archived, but remains available on GitHub as a stable reference.