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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- SEO Meta Tags -->
<title>dapoi.dev</title>
<meta name="description" content="Portfolio of Luthfi Daffa Prabowo, a Senior Android Developer with 5+ years of experience specializing in Jetpack Compose, Kotlin, Clean Architecture, and high-performance banking and media mobile applications.">
<meta name="keywords" content="Android Developer, Luthfi Daffa Prabowo, Kotlin, Jetpack Compose, Mobile Engineer, Wondr by BNI, Blu by BCA Digital, Indonesia, Bekasi">
<meta name="author" content="Luthfi Daffa Prabowo">
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<meta property="og:type" content="website">
<meta property="og:title" content="Luthfi Daffa Prabowo | Senior Android Developer">
<meta property="og:description" content="Crafting fluid, high-performance native Android experiences serving millions of fintech and media users.">
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<body>
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<!-- Header / Navigation -->
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<span class="logo-accent"><</span>dapoi<span class="logo-accent">.dev /></span>
</a>
<nav class="nav-menu" aria-label="Main Navigation">
<a href="#about" class="nav-link" id="nav-about">About</a>
<a href="#architecture" class="nav-link" id="nav-arch">Architecture</a>
<a href="#projects" class="nav-link" id="nav-proj">Projects</a>
<a href="#experience" class="nav-link" id="nav-exp">Experience</a>
<a href="#contact" class="nav-link nav-contact-btn" id="nav-contact">Get in Touch</a>
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<button class="mobile-toggle" aria-label="Toggle navigation menu" id="mobile-menu-toggle">
<span class="bar"></span>
<span class="bar"></span>
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</button>
</div>
</div>
</header>
<main>
<!-- HERO SECTION -->
<section id="hero" class="hero-section">
<div class="hero-background-glow"></div>
<div class="container hero-container">
<div class="hero-text-content reveal-on-scroll">
<div class="badge">
<span class="badge-dot"></span>
Senior Android Developer
</div>
<h1>Crafting Fluid <br><span class="gradient-text">Native Experiences</span></h1>
<p class="hero-lead">
I build high-performance, production-grade Android apps serving millions of users across <strong>FinTech</strong> and <strong>Media</strong> sectors using <strong>Kotlin</strong>, <strong>Jetpack Compose</strong>, and <strong>Clean Architecture</strong>.
</p>
<div class="hero-actions">
<a href="#projects" class="btn btn-primary" id="btn-view-work">
View Projects
<svg xmlns="http://www.w3.org/2000/svg" class="icon-svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="7" y1="17" x2="17" y2="7"></line><polyline points="7 7 17 7 17 17"></polyline></svg>
</a>
<a href="#contact" class="btn btn-secondary" id="btn-let-talk">Contact Me</a>
</div>
</div>
<!-- Glowing 3D Glassmorphic Android Robot SVG Showcase -->
<div class="hero-logo-container reveal-on-scroll">
<div class="android-logo-wrapper">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 256" class="android-robot-svg">
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<!-- Antennas -->
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</div>
<div class="logo-background-halo"></div>
</div>
</div>
</section>
<!-- ABOUT SECTION -->
<section id="about" class="about-section">
<div class="container">
<div class="section-header reveal-on-scroll">
<span class="section-tag">< / ABOUT ME ></span>
<h2>Craftsmanship in Mobile Code</h2>
<p class="section-subtitle">Combining 5+ years of scaling banking systems and media streaming applications with robust mobile patterns.</p>
</div>
<!-- Bio and Photo Grid -->
<div class="about-bio-grid">
<!-- Photo Column -->
<div class="about-photo-column reveal-on-scroll">
<div class="about-photo-wrapper">
<img src="assets/images/profile.png" alt="Luthfi Daffa Prabowo" class="about-photo" onerror="this.style.display='none'; document.getElementById('profile-avatar-fallback').style.display='flex';">
<div id="profile-avatar-fallback" class="avatar-fallback" style="display: none;">
<span>LD</span>
</div>
</div>
</div>
<!-- Philosophy Column -->
<div class="about-profile reveal-on-scroll">
<h3>Philosophy</h3>
<p>
My goal is to construct fluid mobile ecosystems that maintain high responsiveness under load. As a developer having delivered apps serving millions of active users in Indonesia (such as BNI, BCA Digital, MNC, and Harian Kompas), I design architectures that minimize main-thread bottlenecks, scale seamlessly, and optimize memory budgets.
</p>
<p>
I leverage Kotlin Flow and Coroutines for clean concurrency, modularize codebases to reduce compile times, and design beautiful, responsive UIs with Jetpack Compose adhering to modern design principles.
</p>
</div>
</div>
<!-- Tech Stack section -->
<div class="about-skills-section">
<h3>Core Technical Competencies</h3>
<div class="skills-grid">
<!-- Card 1: Core Languages & Async -->
<div class="skill-card reveal-on-scroll">
<div class="skill-icon-wrapper purple-glow">
<svg xmlns="http://www.w3.org/2000/svg" class="icon-svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="4 17 10 11 4 5"></polyline><line x1="12" y1="19" x2="20" y2="19"></line></svg>
</div>
<h4>Languages & Asynchronous</h4>
<p>Kotlin, Java, Coroutines, Kotlin Flows, LiveData, RxJava. Expert at managing parallel data streams and asynchronous caching pipelines.</p>
</div>
<!-- Card 2: UI & UX Ecosystem -->
<div class="skill-card reveal-on-scroll">
<div class="skill-icon-wrapper green-glow">
<svg xmlns="http://www.w3.org/2000/svg" class="icon-svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M12 22C17.5228 22 22 17.5228 22 12C22 6.47715 17.5228 2 12 2C6.47715 2 2 6.47715 2 12C2 14.7255 3.09032 17.1962 4.85857 19C4.85857 19 4 20 4 21C4 22 5 22 5 22H12Z"></path><circle cx="7.5" cy="10.5" r="1.5" fill="currentColor"></circle><circle cx="11.5" cy="7.5" r="1.5" fill="currentColor"></circle><circle cx="16.5" cy="9.5" r="1.5" fill="currentColor"></circle><circle cx="15.5" cy="14.5" r="1.5" fill="currentColor"></circle></svg>
</div>
<h4>UI / Jetpack Compose</h4>
<p>Jetpack Compose, XML Layouts, Material Design 3, ExoPlayer, Custom Canvas, Custom Layouts, Navigation Component.</p>
</div>
<!-- Card 3: Architecture & Security -->
<div class="skill-card reveal-on-scroll">
<div class="skill-icon-wrapper teal-glow">
<svg xmlns="http://www.w3.org/2000/svg" class="icon-svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polygon points="12 2 2 7 12 12 22 7 12 2"></polygon><polygon points="2 17 12 22 22 17"></polygon><polygon points="2 12 12 17 22 12"></polygon></svg>
</div>
<h4>Architecture & Security</h4>
<p>Clean Architecture, Modularization, MVVM, MVI, Hilt, Room, WorkManager, Data Encryption, Biometric Auth, ProGuard/R8.</p>
</div>
<!-- Card 4: Networking & Tools -->
<div class="skill-card reveal-on-scroll">
<div class="skill-icon-wrapper blue-glow">
<svg xmlns="http://www.w3.org/2000/svg" class="icon-svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><ellipse cx="12" cy="5" rx="9" ry="3"></ellipse><path d="M3 5v14c0 1.66 4 3 9 3s9-1.34 9-3V5"></path><path d="M3 12c0 1.66 4 3 9 3s9-1.34 9-3"></path></svg>
</div>
<h4>Networking & DevOps</h4>
<p>Retrofit, Ktor, OkHttp, RESTful APIs, Git, Firebase Crashlytics, GitLab CI/CD, Gradle, NFC/Tap to Phone Payments.</p>
</div>
</div>
</div>
</div>
</section>
<!-- ARCHITECTURE SECTION -->
<section id="architecture" class="arch-section">
<div class="container">
<div class="section-header reveal-on-scroll">
<span class="section-tag">< / ARCHITECTURE ></span>
<h2>Robust Architectural Blueprints</h2>
<p class="section-subtitle">How I structure enterprise Android modules using Clean Architecture principles to guarantee isolation of concerns, testability, and extreme scalability.</p>
</div>
<div class="architecture-grid">
<!-- Layer 1: UI Presentation Layer -->
<div class="arch-card reveal-on-scroll">
<div class="arch-header">
<div class="arch-layer-badge purple-badge">UI Layer</div>
<h3>Presentation</h3>
</div>
<p class="arch-body">
Responsible for layout rendering and state management. Composables observe immutable state flows released by ViewModels. Dispatches user actions as strict intents, avoiding data logic context entirely.
</p>
<div class="arch-tech">
<span class="chip">Jetpack Compose</span>
<span class="chip">StateFlow</span>
<span class="chip">MVI / MVVM</span>
<span class="chip">Hilt ViewModels</span>
</div>
</div>
<!-- Layer 2: Domain Layer -->
<div class="arch-card reveal-on-scroll">
<div class="arch-header">
<div class="arch-layer-badge teal-badge">Domain Layer</div>
<h3>Core Business Core</h3>
</div>
<p class="arch-body">
The kernel of the app modules. Formulated in pure Kotlin and completely isolated from databases, network routers, or OS APIs. Holds business models, core rules, and repository interfaces inverting outer bounds.
</p>
<div class="arch-tech">
<span class="chip">Pure UseCases</span>
<span class="chip">Business Entities</span>
<span class="chip">Dependency Inversion</span>
<span class="chip">Coroutines</span>
</div>
</div>
<!-- Layer 3: Data Layer -->
<div class="arch-card reveal-on-scroll">
<div class="arch-header">
<div class="arch-layer-badge green-badge">Data Layer</div>
<h3>Infrastructure</h3>
</div>
<p class="arch-body">
Coordinates all state persistence. Manages integration with network endpoints (Retrofit/Ktor clients) and localized databases (Room SQLite). Governs caching algorithms and asynchronous Sync routines.
</p>
<div class="arch-tech">
<span class="chip">Room Database</span>
<span class="chip">Retrofit / OkHttp</span>
<span class="chip">WorkManager</span>
<span class="chip">DataStore</span>
</div>
</div>
</div>
</div>
</section>
<!-- PROJECTS SECTION -->
<section id="projects" class="projects-section">
<div class="container">
<div class="section-header reveal-on-scroll">
<span class="section-tag">< / FEATURED PROJECTS ></span>
<h2>Crafted Mobile Environments</h2>
<p class="section-subtitle">A showcase of production-grade Android apps built for millions of active users and digital banking transactions.</p>
</div>
<div class="projects-grid">
<!-- Project 1: Blu by BCA Digital -->
<div class="project-card reveal-on-scroll">
<a href="https://play.google.com/store/apps/details?id=com.bcadigital.blu" target="_blank" rel="noopener noreferrer" class="project-image-link">
<div class="project-image-wrapper">
<img src="assets/images/blu.webp" alt="Blu by BCA Digital App Screenshot" class="project-image" id="img-project-blu">
</div>
</a>
<div class="project-info">
<div class="project-meta">
<span class="project-tag-chip">FinTech / Lending</span>
</div>
<h3>
<a href="https://play.google.com/store/apps/details?id=com.bcadigital.blu" target="_blank" rel="noopener noreferrer" class="project-title-link">
Blu by BCA Digital <svg xmlns="http://www.w3.org/2000/svg" class="icon-svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="7" y1="17" x2="17" y2="7"></line><polyline points="7 7 17 7 17 17"></polyline></svg>
</a>
</h3>
<p>Mobile-only digital banking platform by BCA Digital. Developed lending features including loan simulation calculators, credit limit evaluations, repayment grids, and memory profile tuning to guarantee a minimum crash rate.</p>
<div class="project-tech">
<span class="chip">Clean Architecture</span>
<span class="chip">Retrofit API</span>
<span class="chip">Coroutines</span>
<span class="chip">Memory Profiling</span>
</div>
</div>
</div>
<!-- Project 2: Wondr by BNI -->
<div class="project-card reveal-on-scroll">
<a href="https://play.google.com/store/apps/details?id=id.bni.wondr" target="_blank" rel="noopener noreferrer" class="project-image-link">
<div class="project-image-wrapper">
<img src="assets/images/wondr.webp" alt="Wondr by BNI App Screenshot" class="project-image" id="img-project-wondr">
</div>
</a>
<div class="project-info">
<div class="project-meta">
<span class="project-tag-chip">Digital Banking / Payments</span>
</div>
<h3>
<a href="https://play.google.com/store/apps/details?id=id.bni.wondr" target="_blank" rel="noopener noreferrer" class="project-title-link">
Wondr by BNI <svg xmlns="http://www.w3.org/2000/svg" class="icon-svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="7" y1="17" x2="17" y2="7"></line><polyline points="7 7 17 7 17 17"></polyline></svg>
</a>
</h3>
<p>Next-generation super banking app built completely from scratch serving millions of customers. Established initial project modular structures and delivered advanced payment systems including QR Scan, NFC Tap to Phone, and TapCash.</p>
<div class="project-tech">
<span class="chip">Jetpack Compose</span>
<span class="chip">Kotlin Flow</span>
<span class="chip">Hilt</span>
<span class="chip">NFC Payments</span>
</div>
</div>
</div>
<!-- Project 3: Vision+ -->
<div class="project-card reveal-on-scroll">
<a href="https://play.google.com/store/apps/details?id=com.zte.iptvclient.android.idmnc" target="_blank" rel="noopener noreferrer" class="project-image-link">
<div class="project-image-wrapper">
<img src="assets/images/visionplus.webp" alt="Vision+ App Screenshot" class="project-image" id="img-project-visionplus">
</div>
</a>
<div class="project-info">
<div class="project-meta">
<span class="project-tag-chip">Media / Streaming / VOD</span>
</div>
<h3>
<a href="https://play.google.com/store/apps/details?id=com.zte.iptvclient.android.idmnc" target="_blank" rel="noopener noreferrer" class="project-title-link">
Vision+ <svg xmlns="http://www.w3.org/2000/svg" class="icon-svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="7" y1="17" x2="17" y2="7"></line><polyline points="7 7 17 7 17 17"></polyline></svg>
</a>
</h3>
<p>Premium entertainment streaming platform offering sports, VOD, original series, and international content for millions of users. Engineered ExoPlayer core adaptive streams and subscriptions paywall gates.</p>
<div class="project-tech">
<span class="chip">Kotlin</span>
<span class="chip">ExoPlayer</span>
<span class="chip">Adaptive Bitrates</span>
<span class="chip">Retrofit</span>
</div>
</div>
</div>
<!-- Project 4: Kompas.id -->
<div class="project-card reveal-on-scroll">
<a href="https://play.google.com/store/apps/details?id=id.kompas.app&hl=en" target="_blank" rel="noopener noreferrer" class="project-image-link">
<div class="project-image-wrapper">
<img src="assets/images/kompas.webp" alt="Kompas.id App Screenshot" class="project-image" id="img-project-kompas">
</div>
</a>
<div class="project-info">
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<span class="project-tag-chip">Media / news</span>
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<h3>
<a href="https://play.google.com/store/apps/details?id=id.kompas.app&hl=en" target="_blank" rel="noopener noreferrer" class="project-title-link">
Kompas.id <svg xmlns="http://www.w3.org/2000/svg" class="icon-svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="7" y1="17" x2="17" y2="7"></line><polyline points="7 7 17 7 17 17"></polyline></svg>
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</h3>
<p>Official mobile app of Harian Kompas news client. Shipped premium news features, implemented offline cache reads, bookmarks, and optimized application stability, reducing crash rates by 10%.</p>
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<span class="chip">Kotlin</span>
<span class="chip">MVVM</span>
<span class="chip">Firebase Crashlytics</span>
<span class="chip">Offline Reading</span>
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<!-- Project 5: MEVER (Media Saver) -->
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<span class="project-tag-chip">Utility / AI / Personal</span>
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MEVER: Media Saver & AI <svg xmlns="http://www.w3.org/2000/svg" class="icon-svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="7" y1="17" x2="17" y2="7"></line><polyline points="7 7 17 7 17 17"></polyline></svg>
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<p>All-in-one media downloader with localized vault storage and dynamic AI image generation API integration. Reached 10,000+ monthly active users organically on Google Play. Designed and maintained as a solo developer.</p>
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<span class="chip">AI Generation API</span>
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<span class="timeline-company">Akar Inti Teknologi | Jakarta</span>
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Developed and enhanced lending modules for the mobile digital banking platform <strong>Blu by BCA Digital</strong>. Designed clean architectural components, integrated loan calculation REST APIs, and performed memory optimizations to minimize memory overhead and keep crash rates below critical bounds.
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<span class="timeline-company">Bank Negara Indonesia (BNI) | Jakarta</span>
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Key contributor in developing <strong>Wondr by BNI</strong> next-gen banking app from scratch using Jetpack Compose, Hilt, and Kotlin Flow. Built QR scan, TapCash, and NFC Tap to Phone payment features. Led Android modular architecture structures and onboarded/mentored 6 junior engineers.
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<!-- Timeline Item 3 -->
<div class="timeline-item reveal-on-scroll">
<div class="timeline-dot"></div>
<div class="timeline-date">Oct 2022 - Oct 2023</div>
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<h4>Android Developer</h4>
<span class="timeline-company">MNC Group | Jakarta</span>
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Contributed to <strong>Vision+</strong>, an entertainment streaming client with millions of users. Engineered VOD and live sports video playback streams utilizing <strong>ExoPlayer</strong> (HLS/DASH adaptive bitrates). Developed subscription modules and paywall APIs end-to-end.
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<div class="timeline-date">Aug 2021 - Feb 2022</div>
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<h4>Android Developer</h4>
<span class="timeline-company">Harian Kompas | Jakarta</span>
<p>
Shipped premium news features for <strong>Kompas.id</strong>. Maintained high stability, reducing crash rates by over 10% through memory-leak analysis and performance tuning with Firebase Crashlytics. Modernized layouts to Material Design to improve user retention.
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