Expense Tracker
Native iOS financial engine utilizing Core Data for complex object graph persistence. Implemented custom NSPredicate logic for granular category filtering and MVC architecture in Objective-C for robust code separation.
Experience
BS Information Technology
2024
Cavite State University - CCAT Campus
Junior Software Developer
June 2024 – May 2025
PHILCENTRO TECHNOLOGIES INC.
Engineered scalable RESTful APIs utilizing Node.js handling complex CRUD operations. Leveraged AWS CloudWatch for real-time monitoring and Postman for automated testing, significantly reducing endpoint latency. Integrated backend services with Next.js Server-Side Rendering (SSR) for optimized frontend performance and SEO.
iOS Developer
May 2025 – Present
XTREME OFFSHORE OUTSOURCING
Developed and maintained a multi-tenant healthcare application using Swift and Objective-C, focusing on real-time telemedicine features and legacy system modernization. Engineered a high-performance video consultation module leveraging WebRTC for real-time peer-to-peer streaming and Grand Central Dispatch (GCD) for concurrent session management, ensuring low-latency, resilient patient-doctor communication. Implemented Apple CallKit and AVAudioSession for native VoIP integration, enabling system-level call handling from the lock screen with seamless audio routing. Integrated Apple HealthKit to synchronize and surface patient health metrics within the telemedicine workflow. Designed a scalable white-label architecture supporting 5+ distinct app targets (including Smart One Health and SaluDi), drastically reducing development time for new regional releases. Bridged the legacy Objective-C networking layer with modern Swift features, developing robust "self-healing" connection logic that automatically recovers video sessions during network fluctuations.
Skills
