I'm Alfin, a software developer creating

amazing

stunning

fantastic

amazing

Apps.

Apple Developer

Apple Academy Developer @ UC

March 2024 - Dec 2024

• Built local AI Model Whisper for voice command features and Apple Speech Framework when users are online
• Reduced storage usage by 50% by using a quantized Whisper model (q5).
• Optimized RAM usage by switching to Apple’s built-in Speech framework for online speech recognition, replacing the local Whisper AI model, reducing memory consumption by 90%.
• Boosted voice command accuracy by implementing fuzzy search with a 60% similarity threshold.
• Utilized Sentry for error and bug tracking in the production app, resolving 7 bugs, and integrated SwiftLint to ensure clean, organized code.
• Enhanced accessibility with Dynamic Text feature, ensuring a user-friendly experience for older adults.
• Published in App Store with 2 localizations (english & Indonesian) and 4 localizations for App Store product page.

Technologies Used: SwiftUi, UIKit, Core Data, MapKit, Sentry, SwiftLint, Alamofire, LLM, AI, MLKit, App Store

iOS Developer

PT. Sistema Datapilar

March 2023 - Sep 2023

• Created a proof-of-concept app integrating V-Key and ForgeRock for robust security with UIKit.
• Implemented 4 multi-factor authentications, push notifications, biometrics, email TOTP, and Single Sign-On (SSO) via ForgeRock, enhancing user authentication security.
• Jailbroke an iPhone using checkra1n to install modules for testing the security system in the POC app, including keylogging and remote monitoring.
• Detected and mitigated 3 type of threats such as jailbreaking, keylogging, and application or library tampering, successfully securing data and files with V-Key encryption.
• Developed user journeys and scripts for SMS TOTP authentication, streamlining user verification in 2 clicks.
• Deployed the app for testing using Testflight.
• Connected Objective-C code into swift

Technologies Used: UIKit, Swift, Objective-C, Core Data, Alamofire, V-Key, ForgeRock, Security Encryption, Authentication

iOS Developer Scholarship

IDCamp Indosat

June 2022 - Jan 2023

IDCamp 2022 is a scholarship program held by Indosat Ooredoo Hutchison with the aim of producing young Indonesian developers/programmers who are ready to compete in the digital world. Here is a list of the project I have worked on during the scholarship:
• Food app to look at list of food recipes.
• Game List with dark modes and favorite features.

Technologies Used: UIKit, Core Data, RXSwift, Alamofire, Kingfisher, MVC