Sailendra Salsabil (zalzabill)

Saya adalah Senior Software Developer dan IT Consultant dengan pengalaman lebih dari 8 tahun dalam menciptakan ekosistem digital berskala enterprise. Pernah dipercaya membangun sistem inti untuk perusahaan besar seperti Recommend Group (Sejasa), Mamikos, IDN Media, dan MNC Group, saya menawarkan pendekatan teknis tingkat tinggi untuk bisnis Anda.

Fokus utama saya adalah menghadirkan solusi teknologi yang kokoh, mulai dari infrastruktur server (backend) hingga antarmuka pengguna (frontend & mobile), dengan arsitektur yang terukur (scalable) dan penulisan kode yang bersih (Clean Code).

Layanan yang Ditawarkan:

Pengembangan Aplikasi End-to-End: Mobile (Native iOS/Android & Flutter), Web (Laravel, Filament PHP), dan Desktop.
Integrasi API Kompleks: Ahli dalam mengintegrasikan layanan pihak ketiga seperti Payment Gateway (Xendit, Midtrans, Stripe), SMS/Messaging (Twilio, Firebase Cloud Messaging), hingga sistem logistik.
Slicing Desain Presisi: Konversi desain UI/UX (Figma) ke dalam kode dengan tingkat presisi piksel (pixel-perfect).
Perbaikan Bug & Optimasi Performa: Spesialisasi dalam mengidentifikasi memory leaks, menurunkan tingkat crash, dan mempercepat waktu muat (load-time) aplikasi.
Konfigurasi Server & DevOps: Setup VPS (DigitalOcean, AWS), konfigurasi Linux Ubuntu/CentOS, Nginx/Apache, manajemen SSL/Certbot, hingga lingkungan Git untuk staging.
Publikasi & Deployment: Rilis aplikasi dengan standar keamanan tinggi ke Apple App Store, Google Play Store, serta server produksi.

Tech Stack yang Dikuasai:

Mobile (Native & Cross-Platform): iOS (Swift, SwiftUI, UIKit), Android (Kotlin, Java), Flutter.
Back-End & Arsitektur: PHP (Laravel), Clean Architecture, MVVM, VIPER, REST API, Socket.IO, Coroutines/GCD.
Front-End: HTML, JavaScript, Bootstrap.
Database: PostgreSQL, MySQL, SQL Server, SQLite, Firebase, CoreData.
Cloud & Server: AWS, DigitalOcean, Linux Ubuntu, CentOS.
Version Control & Tools: Git, GitHub, GitLab, Xcode, Android Studio, VS Code, Postman.

Perangkat Kerja Profesional:

Lingkungan komputasi Multi-OS berkinerja tinggi (MacBook Pro untuk ekosistem Apple/iOS, serta sistem Windows dan Ubuntu Linux).
Perangkat fisik iOS dan Android terkini untuk pengujian aplikasi secara langsung (real-device testing).

Portofolio & Studi Kasus Teknis: Kunjungi https://sailendra-salsabil.vercel.app untuk melihat secara detail bagaimana saya menyelesaikan masalah teknis yang kompleks dan memberikan dampak bisnis yang nyata bagi klien-klien saya.

Mengapa Memilih Saya?

Pengalaman Skala Enterprise (8+ Tahun): Terbiasa menangani aplikasi dengan lalu lintas pengguna yang sangat tinggi dan logika bisnis yang kompleks.
Kualitas Standar Industri: Penerapan Clean Architecture dan Unit Testing sehingga sistem yang dihasilkan minim kendala, mudah dipelihara, dan siap dikembangkan oleh tim Anda di masa depan.
Solusi Menyeluruh: Saya tidak hanya sekadar "menulis kode", tetapi memastikan infrastruktur, keamanan server, dan alur aplikasi berjalan sempurna.
Komunikasi & Profesionalisme: Responsif, transparan dalam setiap tahap pengembangan, dan berorientasi penuh pada target penyelesaian proyek.

Mari berkolaborasi! Hubungi saya sekarang untuk mendiskusikan kebutuhan sistem Anda dan wujudkan solusi teknologi dengan standar enterprise.

MySQL Mobile Programming Android iPhone/iOS PHP C/C++ JSON Swift Flutter Kotlin

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User Name:	zalzabill
Account Type:	Personal Account
Date Registered:	06/02/2017 09:08:23 WIB
Last Seen:	06/05/2026 11:27:01 WIB
Provinsi:	Jawa Timur
Kabupaten:	Kota Surabaya
Website:	https://www.linkedin.com/in/sailendra-salsabil/
Online Hours:	231.97
Projects Won:	12
Projects Completed:	7
Completion Rate	63.64% Fair
Projects Arbitrated:	4
Arbitration Rate	36.36% Fair
Current Projects:	1

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2014: MuahCity (Find new friends and go dating)
Features:
1. Show users nearby order by nearest location
2. Add new friend
3. Send text / image /audio message to friend
4. Create or join group chat
5. Send text / image /audio message to group chat
6. Update stories to everyone
Recipes:
1. XMPP protocol for single or group chat service
2. Google cloud messaging for push notification
3. Ok http for access network client service
4. UCrop yalantis for cropping image
5. Kbenie imagepicker for getting image from existing file locally
6. Fresco for image loader
7. Eventbus for passing value data over activity or fragment.
8. Flurry for analytic
9. Fabric for crash report
10. Appflyer for promotion

2015: Ikalab (Sharing food recipes)
Features:
1. Storage media text and image for food recipes
2. Login using goole/twitter/facebook for single sign on.
3. Give a like for each recipe
4. Send a comment to recipes
5. Show notification and history activies.
Recipes
1. Fresco for image loader.
2. Firebase cloud messaging for push notification.
3. Ok http for network client service
4. Kbenie image picker for adding the photo
5. Recyclerview for list recipes

2016: SkyStock (Express Inventory Management)
Features:
1. Store data text and image for store, warehouse, product, and transaction
2. Scan barcode/qr-code for quick searching products.
3. Analysis data transactions
4. Show products, warehouses, history list
5. Login with third-party account like as: Facebook and Google.
Recipes:
1. Ok Http for network client
2. Recyclerview for showing the list
3. Navigation drawer for top left menu
4. Fresco for image loader
5. Rx paparazo for image picker
6. Yalantis for crop image feature
7. ZXing for scan barcode/Qr-code
8. Eventbus for passing data throught fragment or activity classes
9. Facebook and google SDK for sign in third-party account information.
10. Activeandroid for ORM library

2017: YipChat is new style of chat room. you can create the room and let the people join and then allow to subscribe it for receiving notification about the room activity, it just like group chat but you can see who is online users on the room.
Features:
- The global room is everyone who connected with YipChat, they will enter the global room. so you can find who is online users on real time.
- Not only text message, you also can send the emoji, picture, and audio for messaging.
- Send invitation for new friend, after that you chat with her privately.
- Invite your friend to join your room.
- Add more your profile picture, to let them see your cool things.
- Using the Firebase. to make the chat message moving so fast and no delay.
- No need refresh action, because it's using real time data synchronization techniques
Recipes:
- Firebase database, data store
- Firebase authentication, user account
- Firebase storage, media storage for image and audio file
- Firebase messaging, push notification
- Fresco, image loader
- Eventbus, passing data to activity or fragment
- UCrop, image cropping tool
- Recyclerview, managing the list
- Cardview, making rounded layout
- Facebook and Google SDK, sign in third party account information.

Project Ending: Completed Rating: (10/10)

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