iOS & Android Native • Premium Web Developer
Specializing in crafting high-performance native mobile apps, pixel-perfect interactive landing pages, and scalable backend/frontend architectures.
Bento Box Services
Engineering elegant systems built on native stability, stunning aesthetics, and modular performance.
Mobile & Web Engineer
Surabaya, IDLeveraging modern languages like Kotlin (Jetpack Compose) and Swift (SwiftUI / AppKit) to engineer high-fidelity, high-performance, and lightweight applications. Specialized in Android SDK, Room SQLite caching, asynchronous Coroutines, and local hardware integrations (Bluetooth thermal printer SDKs, barcode scanners)
Crafting premium interactive landing pages with ultra-luxurious, minimalist, 'Native Apple' vibes, utilizing custom motion transitions and responsive structures that convert.
Building robust REST and GraphQL API layer, scalable node servers, state orchestration, serverless hosting and relational/document databases.
Focused on speed and searchability, utilizing W3C semantic layouts, custom structured JSON-LD schemes, and content compressions for quick search indexing.
Connect, engage, and view updates across my official channels.
Test my multi-platform sync architecture: Input data on the web form, watch it sync instantly to the mobile app database, and trigger an alert notification in the macOS admin panel.
Surabaya local SEO Audit
New lead from landing page received.
Help us polish our applications before they officially hit the Google Play Store! Join our internal 14-day closed testing group. As a token of appreciation, you will receive free access to the premium Pro version (valued at Rp 49,000 - Rp 99,000) upon public release, and an official Android Tester Certificate recognizing your contribution.
Click the links to register your email in our testing pool and coordinate in the support chat.
Download the custom build from Play Store using your registered email and use it regularly for 2 weeks.
Claim your free pro access voucher codes (valued at Rp 49k - 99k) and official Tester contribution certificate.
Interactive Case Studies
Explore a curated catalog of premium native app projects deployed on the App Store & Google Play.
A premium, lightweight finance tool built to assist users in budgeting and tracking daily expenses. Features an Apple-inspired user flow, smooth transaction animations, secure database storage, local database caching for offline management, and structured statistical reports.
Left To Spend
The ultimate community app for pet lovers. Allows pet owners to join a secure local social network, register pet cards with detailed veterinary records, share daily micro-blogs, look up animal adoption agencies, and arrange local pet playdates safely.
2 hours ago
Bringing Rocky to the park this afternoon! Anyone wants to tag along?
Can you build my custom iOS app?
The vaccine schedule is set.
A premium workspace utility designed for busy professionals. Send WhatsApp messages instantly to contacts without adding their numbers to your physical contacts database. Features preset templates, quick country code search engines, and local message logs.
A native, high-performance macOS automation utility designed to record, edit, and play back keyboard and mouse macros automatically. Built from the ground up using Swift and SwiftUI, leveraging Apple's Accessibility API for high-precision cursor tracking, coordinate logging, and system-wide hotkey interception.
A modern, cloud-integrated Point of Sales application designed for retail and F&B merchants. Built natively for Android (Kotlin/Jetpack Compose) and iOS (Swift/SwiftUI) to deliver maximum speed, local database offline sync, dynamic thermal receipts printing, bluetooth scanner integrations, and direct QRIS checkouts.
A fast, high-performance web-based food ordering platform custom-built for Sego Ndogo Ubaya. Features a responsive digital menu card, an interactive cart system, low-latency static hosting optimizations, and a direct WhatsApp Checkout integration that compiles order summaries and fires them cleanly to merchant operators.
A high-speed automated web scraping system designed to extract rich business intelligence from Google Maps listings, local directories, and corporate sites. It parses vital contact info—including company names, email addresses, phone/WhatsApp numbers, physical addresses, maps coordinates, and social handles—delivering structured CSV/Excel leads tables directly to your local drive.
Exploring native architectures, mobile optimizations, and modern web engineering strategies.
An in-depth review of event tapping, memory bounds, and Accessibility permissions checking when building macOS automation utilities.
How we implemented high-speed local caches, SQLite transaction queues, and network failure sync protocols.
A practical guide to implementing server-side hydration, Google indexing, and structured schemas.
Exploring the steep learning and engineering curve when developing custom native mobile apps from scratch.
Have questions about process, technologies, or custom app configurations? Find answers below.
Ya, saya menerima proyek custom development untuk native iOS (Swift/SwiftUI), Android (Kotlin/Jetpack Compose), macOS desktop utilities, dan platform hybrid seperti React Native. Silakan hubungi via WhatsApp untuk konsultasi ide proyek Anda secara gratis.
Waktu pengerjaan sangat bervariasi bergantung pada kompleksitas modul, mulai dari 2 minggu untuk landing page premium, hingga 1-3 bulan untuk aplikasi mobile berskala enterprise yang membutuhkan arsitektur sinkronisasi database offline/online dan dashboard admin.
Setiap proyek pengerjaan aplikasi mencakup gratis garansi perbaikan bug (warranty) selama 3 bulan pertama setelah peluncuran. Selanjutnya, saya menyediakan opsi retainer bulanan untuk monitoring server, pembaruan versi OS (iOS/Android SDK updates), dan penambahan fitur baru.
Tentu. Semua produk portofolio di atas (Kasio POS, MacroMate, UangUang) memiliki lisensi kode sumber yang fleksibel dan siap untuk diintegrasikan secara kustom dengan printer thermal, QR scanner, pembukuan internal, atau sistem e-commerce merchant Anda.
See authentic reviews and feedback from project partners, clients, and active app users.
Have a project idea? Send a message and it will directly open a pre-filled chat with Yanuar on WhatsApp.
Designed with Native Apple Style guidelines. Built using Tailwind CSS & Three.js.
© 2026 Yanuar Gani Pratama. All rights reserved.
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