I build scalable web & mobile products — from UI to backend.
Fullstack engineer with hands-on experience in payment terminals (EDC/SoftPOS), NFC utilities, and device fleet management (MDM). I help teams ship production-ready systems with clean architecture and reliable delivery.
Selected projects
Click a project to see details. This portfolio highlights systems I’ve built across web, mobile, payments, and device management.
SaldoTAP
NFC Balance & Card Utility App
- Implemented NFC card communication using Android IsoDep.
- Parsed card data and displayed balance & transaction history.
- Optimized NFC read performance across multiple devices.
MDM System
Device Fleet Management Platform
- Implemented device monitoring (battery, storage, connectivity).
- Built remote command execution using MQTT + HTTP fallback.
- Added dashboards for operational visibility.
MDM Agent App
Android Device Agent
- Developed Android agent app for device telemetry reporting.
- Integrated background workers for periodic device status updates.
- Enabled secure remote command execution and policy enforcement.
Print Bitmap
Android Receipt Bitmap Library (GitHub)
- Created a utility to render receipt layouts into printable bitmaps.
- Optimized text, alignment, and multi-line layout handling.
- Designed for consistent output across thermal printers and devices.
EMV Contactless SDK
Contactless EMV Utilities / SDK (GitHub)
- Built reusable helpers for EMV contactless parsing and flow utilities.
- Provided TLV parsing and tag utilities for terminal integrations.
- Focused on clean API design to accelerate payment projects.
What I do
I deliver end-to-end solutions with a focus on reliability, maintainability, and time-to-production.
Web development
React / Next.js apps, dashboards, admin panels, SEO-friendly pages, and scalable UI architecture.
Mobile development
Android (Kotlin) apps with clean architecture, stability, and performance focus.
Backend & integration
REST APIs, auth, databases, and system integration for reliable end-to-end workflows.
Device & operations
MDM-style monitoring, telemetry, remote commands, and production troubleshooting.
Let’s work together
Share a short brief (goals, scope, timeline). I’ll respond with a clear plan and estimate.
- • Goals & success criteria
- • Feature list (must-have)
- • Target platforms
- • Deadline & budget range