Full-Stack Developer & Data Analyst with 25+ Years of IT Experience
I craft high-performance mobile apps, data dashboards, and web solutions — from concept to deployment. Specialized in Flutter, React Native, Python analytics, and ERP systems.
class Developer { final name = 'Christianus'; final exp = 25; final skills = [ 'Flutter', 'React Native', 'Python', 'Power BI', 'Supabase', 'SQL Server', ]; bool get available => true; }
With over 25 years in the IT industry, I have accumulated deep expertise across mobile development, data analytics, ERP systems, and web development. I have worked on In-House Development projects requiring sophisticated data analytics pipelines, and shipped mobile apps used in real-world business environments.
I am passionate about delivering clean, performant, and scalable software — whether it is a Flutter app with beautiful UI, a Python-powered analytics dashboard, or a React Native POS system for restaurants.
Power BI, Looker Studio, Python — ETL pipelines with SQL Server, PostgreSQL, MySQL
Flutter & React Native apps with Supabase, Firebase & SQLite backends
SEO-friendly websites, Flask APIs, interactive dashboards
"Karena begitu besar kasih Allah..."
A comprehensive church companion mobile app featuring daily devotionals, digital hymn book, worship service schedules, congregation management, and community features. Audio playback for worship songs, emoji reactions, and sharing capabilities.
A professional commission management system for a Michelin-star restaurant, automating driver commission calculations, tracking transactions, generating PDF reports, and providing real-time analytics on driver performance.
A feature-rich React Native POS system for restaurants and cafes, covering the full business workflow from order taking to kitchen display, inventory management, customer loyalty, and comprehensive sales reports.
An enterprise-grade web analytics platform for a Student Union with multiple F&B outlets. Features ETL pipelines from Excel to SQL Server, interactive charts, KPI tracking with Year-over-Year comparisons, and a raw data explorer.
I am open to freelance opportunities, remote contracts, and long-term collaborations. Whether you need a mobile app, a data dashboard, or a full-stack solution — let's talk.
christianus.hontong@gmail.com
Search: Christianus Frans Hontong
linkedin.com/in/christianus-hontong