Result-driven Android Engineer with a 11 years of solid experience in programming and developing android native application using Java, Kotlin and flutter. Accustomed to fast-paced delivery such as Scrum and Rapid Application Development. Conducted trainings to junior developers and perform requirements gathering with leads and senior developers.
Has written maintainable and reusable codes. Has experience in RESTful web services and live video streaming service. A team player who always communicate with the team to question, clarify or give better possible solutions.
Loves challenges that comes his way and always open to learning things. Colleagues says he is easy to work with and learn very easily.
Android App Development
Java
Kotlin
Retrofit
API Integration
Google Maps
Google APIs
Model View Presenter
Amazon API Gateway
Model View ViewModel
JSON API
Mark Mathew A.
Cebu, Philippines
$22/hr
5.0
9 jobs
12 strong years experience in Mobile app development.
Experience with various clients around the world (US, Australia, South Korea, Japan, China)
Worked on a project for one of top E-commerce company in Japan.
My greatest strength is being a fast learner on anything. That's why I can cope up with new technologies in no time.
-- Android/iOS Mobile Developer
Technologies:
1) Native Android/iOS SDK
2) React Native
3) Xamarin
4) Ionic/Capacitor
Dev Environment:
1) Visual Studio Code
2) Visual Studio 2017
3) Android Studio
4) Xcode
Libraries:
1) Picasso
2) AFNetworking
3) Firebase
4) Core Plot
5) Google API
6) React BoilerPlate
7) Barcode Scanner
8) MapBox
9) Dio Factory
Language:
1) Java
2) Kotlin
3) Swift
4) Objective C
5) Javascript
6) TypeScript
7) Angular
8) Flutter/Dart
Android App Development
MySQL
Delphi
Windows Phone
PHP
Native App Development
Flutter
React Native
Ionic Framework
React
Angular
TypeScript
Algene P.
Binalonan, Philippines
$40/hr
5.0
59 jobs
๐ 13+ years on iOS and Android, 5,500+ hours, 100% Job Success, Top Rated ๐
I build AI powered mobile apps in React Native and Expo, plus the API and web dashboard behind them. When the framework runs out I write the native Swift or Kotlin myself.
Every cross platform app hits the same wall eventually. The camera needs a frame the library won't hand you. A background task dies the second iOS suspends the app. HealthKit or Bluetooth wants a permission flow no wrapper handles. Or the AI feature you just added makes the list stutter on a 3 year old phone.
That's the week your developer tells you React Native can't do that.
It usually can. Somebody has to open Xcode and write the module.
The second wall is quieter. The app ships, and then nobody can see inside it. No admin screen. No way to answer a support email. No place to read what the AI actually returned. That's when a second contractor gets hired for what was always one product.
I help founders and product teams ship one app to both stores, with the API and the dashboard that runs it. Not 3 contractors hoping the other 2 agree.
๐ "Algene was incredible to work with...he took a thorough look at what my vision was and stepped in with a grounded and disciplined approach." - BarkLens, an AI powered dog health app in React Native and Expo. 5 stars, endorsed Collaborative.
๐๐๐ฉ๐ ๐ข๐ก ๐ง๐๐ ๐๐ฃ๐ฃ ๐ฆ๐ง๐ข๐ฅ๐
๐ Remi by Reflect - an AI powered self reflection app in React Native.
๐ Offleashd - a social community for pet parents, with AI features, in React Native.
๐ Break Scroll - my own dopamine detox app, built solo and taken through review.
๐ง๐๐ ๐๐จ๐๐๐๐ฆ ๐ง๐๐๐ง ๐๐๐ก๐ ๐ข๐ก ๐ ๐ฌ ๐๐๐ฆ๐
โ๏ธ AI Features Inside An App That Already Has Users
OpenAI, Claude, Gemini, DeepSeek, or Apple's on device models. I shipped the AI winner prediction and the strike heat map inside FX1's MMA app, in Swift and SwiftUI. Live fight data and real time chat ran in the same codebase. A separate React Native contract ran on Apple Intelligence for 82 hours and closed at 5 stars.
โ๏ธ React Native And Expo, One Codebase, Both Stores
434 hours on one React Native contract, plus 3 more on the record. TypeScript, Redux Toolkit, Zustand, React Query, and a build that actually signs.
โ๏ธ The Web Half Of The Same Product
The REST or GraphQL API your app talks to, and the React or Next.js dashboard your team runs it from, so support can answer a customer or pull a refund without messaging you first. Node and Express, PostgreSQL, Supabase or Firebase underneath. One person on both sides. The phone and the browser never disagree about what a user is.
โ๏ธ Native Swift, SwiftUI, Kotlin And Java When The Wrapper Won't Do It
889 hours in Swift for one client, across 20 months. Native modules, sensors, camera work. The screens that have to feel native.
โ๏ธ The App That's Built, Live, And Breaking
Crashes, memory, a list that stutters, a release that won't go through. One client kept me on fixes for 3 years and 4 months.
โ๏ธ App Store And Google Play, All The Way Through Review
TestFlight, App Store Connect, Play Console, signing, permission strings, privacy labels. Plus the resubmission when Apple comes back with a guideline number.
๐ง๐๐ ๐ง๐ข๐ข๐๐๐ข๐ซ
โ Mobile: React Native, Expo, Swift, SwiftUI, UIKit, Objective-C, Kotlin, Java, Flutter, TypeScript, Clean Architecture, MVVM
โ AI: OpenAI, Claude, Gemini, DeepSeek, Ollama, Apple Intelligence, LLM features, AI chatbots, prompt engineering
โ Web and backend: React, Next.js, JavaScript, Node.js, Express, REST APIs, GraphQL, PostgreSQL, MongoDB, Supabase, Firebase, Tailwind CSS
โ Release: App Store Connect, Google Play Console, TestFlight, AWS, GCP, CI/CD
๐ง๐๐ ๐ฃ๐๐ฅ๐ง ๐๐ฅ๐ข๐ฆ๐ฆ ๐ฃ๐๐๐ง๐๐ข๐ฅ๐ ๐๐๐ฉ๐ฆ ๐ข๐จ๐ง๐ฆ๐ข๐จ๐ฅ๐๐
๐ฏ Most React Native developers stop at the bridge. I work the other side of it too, in Swift, SwiftUI, UIKit, Objective-C, Kotlin and Java. A native module is normal work here, not a rewrite quote.
โก Philippines, UTC+8. Full overlap with Asia and Australia, mornings for Europe, and a reply inside 4 hours.
โ 40+ contracts and $100K+ earned on this account, with the endorsements those clients left: Collaborative 10+, Committed to Quality 9+, Clear Communicator 6+
๐ฆ๐๐ก๐ ๐ง๐๐ ๐๐ฃ๐ฃ, ๐ก๐ข๐ง ๐ง๐๐ ๐๐ฅ๐๐๐
Send a repo, a TestFlight build, or just the App Store link, and tell me what's broken or what's missing.
You'll get back the 3 things I'd fix first, and whether any of it needs native code. Before we talk money.
Android
Smartphone
Android App Development
Kotlin
Mobile App Development
React Native
iOS Development
Swift
SwiftUI
RESTful API
iOS
iPad App Development
JavaScript
TypeScript
API Integration
Node.js
Artificial Intelligence
Firebase
AI App Development
In-App Purchases
Van Joseph L.
Lipa, Batangas, Philippines
$15/hr
5.0
7 jobs
Iโm a Senior Software Engineer and Native Android Developer with over 7 years of experience building, launching, and maintaining production-ready mobile applications used by real users. My core expertise is in Native Android development using Kotlin and Java, and I also work on modern web applications, helping clients deliver complete, end-to-end digital solutions.
I donโt just write code โ I help businesses turn ideas into stable, scalable, and user-friendly applications. From planning and architecture to development, testing, and deployment, I work closely with clients to ensure the final product is reliable, maintainable, and aligned with business goals.
๐น Android Development Expertise
I specialize in Native Android app development, including:
Kotlin & Java development
Android SDK, Jetpack components
MVVM / clean architecture
REST API & third-party integrations
Firebase (Auth, Firestore, Analytics, Push Notifications)
Performance optimization & bug fixing
Google Play Store deployment & updates
I have hands-on experience building apps that involve media integration, real-time data, user authentication, and scalable backend connections. My focus is always on clean code, smooth performance, and a strong user experience.
๐น Web Development & Integration
In addition to mobile apps, I support clients with web development, allowing seamless integration between mobile and web platforms. I work on:
Front-end development
API integrations
Responsive, production-ready web solutions
Backend coordination and testing
This makes me a strong fit for clients who need both mobile and web development support without managing multiple freelancers.
๐น How I Work
Clients appreciate my ability to:
Understand requirements quickly
Communicate clearly and proactively
Adapt fast to new tools or project needs
Deliver ahead of deadlines without compromising quality
Iโm comfortable working independently or as part of a remote team, and I value transparency, accountability, and long-term collaboration.
๐น Who Iโm a Good Fit For
Startups building their first mobile app
Businesses upgrading or maintaining existing Android apps
Clients needing Android + web integration
Product teams looking for a reliable, long-term developer
If youโre looking for a developer who combines deep Android expertise, modern development practices, and clear communication, Iโd be happy to discuss your project.
Letโs build something solid, scalable, and ready for real users.
#Senior Android Developer
#Native Android Developer
#Kotlin Developer
#Java Android Developer
#Mobile App Development
#Android App Development
#Software Engineer
#Web Development
#API Integration
#Firebase
#Scalable Applications
#Production-Ready Apps
Android App Development
Java
Kotlin
API Integration
Web Development
Next.js
Object-Oriented Programming
Retrofit
Firebase
Jira
Object-Relational Mapping
Web Design
Gaming Console
Christian Angelo C.
Santo Tomas, Philippines
$10/hr
4.3
8 jobs
I'm a dedicated and detail-oriented Android Developer and Software QA Tester with a solid foundation in both mobile application development and quality assurance. I hold a Bachelor's degree in Information Technology, graduated Summa Cum Laude, and was awarded Programmer of the Year in 2024.
As an Android Developer (October 2024โPresent), I specialize in building robust, user-friendly mobile applications using Java and Kotlin, integrated with Firebase and geolocation technologies. Previously, I worked as a Software Quality Assurance Tester (SeptemberโOctober 2024), where I focused on ensuring product quality through manual testing and Agile methodologies.
Key Skills:
Android Development (Java, Kotlin, Firebase, MVVM Architecture, Restful API, Room Database, Hilt, Dependency Injection)
Manual QA Testing, Bug Tracking, Agile, Test Cases
Front-End: HTML, CSS, JavaScript, ReactJS
Back-End: PHP, Node.js, Express, Laravel
Tools: Git, Figma, Adobe XD, BitBucket
Strong communication, teamwork, and fast learning
Android App Development
Kotlin
Mobile App Development
Software QA
Software Testing
Android UI Design
Native App Development
Android Room Persistence
Quality Assurance
Mobile App Testing
Bug Reports
Regression Testing
Machine Learning
Artificial Intelligence
Data Entry
Karina Z.
Paranaque City, Philippines
$30/hr
5.0
3 jobs
Software developer with 13 years of professional experience - 10 yearsโ experience on mobile applications development under agile practice.
Enthusiastic to adopt and implement new technologies to produce efficient and innovative apps.
Below are list of my qualifications for your reference:
*Develop native android applications using Java/Kotlin
*Develop hybrid apps (iOs/Android) using flutter
Languages/Libraries/Tools:
-Kotlin, Java, , Dart, SQL
-Flutter, Android SDK
-Android studio, Visual studio code
-Git
-Firebase, MongoDB
-Jira, Confluence
Android App Development
Kotlin
Flutter
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