๐ฑ Native Kotlin & Mobile Developer behind apps with 1M+ downloads. I build high-scale Android apps that handle heavy traffic without crashes. Need a solid app?
๐ Top Rated Plus ($200K+ Earned & 100% Job Success)
๐ PhD in Computer Science
โก 12+ Years Professional Experience
๐ Looking for a senior Android Developer and Mobile App Developer to build production-ready applications that scale, rather than fragile MVPs that fall apart under real user traffic? As an experienced Android App Developer, I take full technical ownership from architecture planning through Google Play release.
๐ฒ As an Android Developer, my core work covers native Android development in Kotlin and Java, full-lifecycle delivery, and backend integration with REST APIs, Firebase, AWS, and third-party services. As a versatile Mobile App Developer, when a project requires both iOS and Android from a single codebase, I also work as a cross-platform Mobile App Developer using React Native and Flutter. Furthermore, as an Android App Developer, I have shipped apps with over 1,000,000+ downloads.
๐ผ Industry Experience
Working as a dedicated Android Developer and Mobile App Developer, I've delivered apps across fintech, healthcare, logistics, social networking, sports, e-commerce, fitness, and entertainment. I have deep expertise as an Android App Developer building healthcare and safety platforms where data encryption, secure messaging, and compliance are non-negotiable.
๐๏ธ Architecture & Technical Standards
As a lead Kotlin developer and senior Android Developer:
โข ๐งฑ Clean Architecture with MVVM / MVP patterns
โข โก Kotlin Coroutines & Flow for async processing
โข ๐จ Hilt for Dependency Injection & Jetpack Compose for modern UI
โข ๐ RxJava for legacy codebase maintenance
โข ๐ ๏ธ Automated CI/CD pipelines (Jenkins, TeamCity)
โข ๐ Complete ownership of API planning, code reviews, refactoring, and technical documentation as a primary Kotlin developer.
๐ฅ I work as part of a team at Requestum, where every Mobile App Developer and Android Developer on our team collaborates closely to bring in dedicated backend, iOS, or QA specialists whenever your project requires scaling up to meet tight deadlines.
๐ฏ Clients typically work with me when they need:
โข ๐ฑ An Android Developer to build a native Kotlin app from scratch to Google Play release
โข ๐ A Mobile App Developer to deliver iOS and Android from a React Native or Flutter codebase
โข โ๏ธ An Android App Developer to refactor, optimize, or extend an existing Kotlin or Java codebase
โข ๐ง A specialized Kotlin developer who understands Clean Architecture and can own the technical roadmap
โข ๐ An Android Developer with experience in high-compliance domains (fintech, healthcare, logistics)
๐ฌ If you need an Android Developer who ships production-grade apps and takes full technical ownership, let's talk.
๐ ๏ธ Main stack: Kotlin, Java, Android SDK, Jetpack Compose, Android Jetpack, Hilt, Kotlin Coroutines, RxJava, Retrofit, Firebase, AWS, Google Maps API, Stripe, React Native, Flutter, Room, Realm, Jenkins, Docker.
Android App Development
Smartphone
Android
Android SDK
Android Studio
Java
Kotlin
Mobile App Development
JavaScript
Firebase
React Native
iOS Development
Git
Flutter
AOSP
Software Testing
Python
SQL
Swift
iOS
Stanislav K.
Ivano-Frankivsk, Ukraine
$35/hr
5.0
55 jobs
๐จโ๐ฉโ๐ฆโ๐ฆ Kids: 4. ๐Dogs: 2. ๐ฑ Mobile Apps: 80+.
๐ฅ I build great healthcare apps. My handwriting is like a real doctor's.
โฐ Deadlines - never missed. Family birthdays... - sorry, Mom.
---
I am mobile app developer with 14+ years of mobile app development, 80+ apps shipped, and a Flutter app past 2M+ users.
โญ Top Rated on Upwork since 2018 ยท 5.0 on Clutch ยท 4.93 on GoodFirms
If you're starting a Flutter app from scratch, I take it from concept to the App Store. If your iOS or Android app has stalled, I get it shipping again. If a previous mobile app developer missed what you needed, that's where I usually come in.
๐ช๐ต๐ฎ๐ ๐๐ผ๐ ๐ด๐ฒ๐
โ๏ธ As a Flutter developer I ship one codebase to iOS and Android at once, up to 40% cheaper than two native builds.
โ๏ธ I am mobile app design and mobile app development specialist. No handoffs, no two contractors blaming each other.
โ๏ธ Healthcare apps that pass HIPAA and GDPR. Logistics apps that keep working when the signal drops.
โ๏ธ Hire the wrong mobile app developer and the scope gaps surface at the first build. I flag them earlier, and clients have brought me in to redo exactly that.
โ๏ธ 80+ apps in, I have already hit the problems your build will run into. One app I built passed 2M+ users.
Send me what you're building and I'll reply with a scope estimate and the first technical decision I'd settle.
Best, Stan
โโโโโ
Selected work and skills:
HEALTHCARE APP DEVELOPMENT, 25+ projects
- I am Healthcare App Developer with 5,000+ secure patient transfers a year across a 25+ vehicle fleet and a 24/7 control room.
- I am HIPAA Developer with secure PHI handling for 5,000+ patient records
- HL7 FHIR syncing records across 3 hospital systems
- GDPR compliance on 100% of builds
- Healthcare Apps prompting status updates every 30 minutes across 4 job levels
- Healthcare SaaS development, Secure Care UK: replaced a third-party subscriber platform, cutting running costs $3,000+ a month.
- I am Full Stack Developer Healthcare, Secure Care UK across web and mobile: 5,000+ transfers coordinated from one system.
- I am Flutter developer, Patient Gateway UK medical transport: Firebase sync and real-time driver tracking with dispatch updates under 5 seconds.
- Flutter Developer, Rheo health wearable: 5 vital-sign categories streamed over LTE in real time, secure PHI handling tested across iOS, Android, and web.
- Mobile App Developer, fertility health app: bug-free rate raised 85% to 96% in a two-week retest, delivered in 3 months against a 4-month estimate.
LOGISTICS APP DEVELOPMENT, 20+ projects
- I am Logistics App Developer with last-mile delivery app: satisfaction raised 35% to 85%, wait times cut 34% in low-signal areas, 12 partners signed in 3 months.
MOBILE APP DEVELOPMENT, 80+ apps
- Flutter developer, mobile app development: 30+ Flutter projects, build cycles cut 50% and costs 40% vs native with Flutter development.
- Flutter App Developer: 2 app stores from one Flutter codebase, 50,000+ installs in year one.
- Mobile App Developer, Quran learning app: 2M+ users, rebuilt in 4 months.
- Flutter Developer, train ticketing app: shipped in 6 months against a 7-month deadline, NFC storing 5 tickets offline across 20 screens.
- iOS Developer and Swift iOS Developer: native iOS apps shipped since 2012 in Swift, one rebuilt to full feature parity in 8 weeks.
- Android App Developer: rebuilt an unstable Android app, crashes cut 90% and rating lifted to 4.7.
- Mobile app developer, Android Developer and Mobile Developer: native and cross-platform mobile development across 80+ apps.
FULL STACK
- I am Full Stack Developer: 150+ products shipped end to end, frontend, backend, and database.
- Full Stack Mobile Developer: frontend plus backend on 30+ products, delivered end to end.
MOBILE APP DESIGN, 40+ designs
- I am Mobile app designer, mobile app design expert: 70+ wireframes and 40+ mobile app designs, engagement up 40%.
- Mobile UI UX Design: consistent UI across both platforms on 40+ screens, task completion up 30%.
- Mobile App UI UX Design in Figma: Figma App Design and Figma Mobile App Designer work across 35+ flows.
REACT NATIVE - As a React Native Developer running React Native Development, I have shipped 10+ React Native apps live on the App Store and Google Play. That work spans React Native Developer Expo, React Native App Developer, and React Native Expert roles, covering React Native Expo, React Native iOS, React Native Firebase, and React Native UI UX builds, and it lifted repeat usage 12-19%. Elsewhere, as an AI App Developer and AI Mobile App Developer, my AI Mobile App Development adds on-device intelligence that cut manual work 60%. As a FlutterFlow developer I turn out prototypes 3x faster in FlutterFlow, and as a Full Stack App Developer I run Python and Wordpress backends alongside React Native and mobile React apps across 30+ products.
iOS Development, Android App Development, Swift, Node.js, PHP, JavaScript, Java, Desktop Application, Web Design.
Android App Development
Android
Java
React
Node.js
PHP
JavaScript
iOS Development
Swift
React Native
WordPress
Flutter
Desktop Application
HTML
CSS
Python
Git
Angular
Software Architecture & Design
Olha L.
Zaporizhzhya, Ukraine
$30/hr
5.0
8 jobs
$๐๐๐+ ๐ข๐ง ๐๐ฅ๐ข๐๐ง๐ญ ๐๐๐ฏ๐๐ง๐ฎ๐ | ๐๐+ ๐๐ซ๐จ๐ฃ๐๐๐ญ๐ฌ | ๐๐๐% ๐๐ฅ๐ข๐๐ง๐ญ ๐๐๐ญ๐ข๐ฌ๐๐๐๐ญ๐ข๐จ๐ง
My goal is simple - your mobile app should be stable, scalable, and valuable for your business.
Iโm Olha, a Mobile App Developer specializing in native iOS and Android development with Swift, SwiftUI, Kotlin, and Java. I help startups, SaaS companies, healthcare products, fintech platforms, logistics businesses, streaming services, and enterprise teams build mobile applications that are ready for real users.
Whether you need an MVP, a new mobile app from scratch, improvements to an existing iOS or Android app, or long-term mobile development support I can help you move from idea to launch with clean native development.
โ๏ธ Mobile App Developer โ full-cycle mobile app development from idea, architecture, and development to App Store and Google Play release.
โ๏ธ iOS Developer โ native iOS apps built with Swift, SwiftUI, Objective-C, Apple frameworks, and scalable architecture.
โ๏ธ Android Developer โ native Android apps built with Kotlin, Java, Android Studio, Google SDKs, and clean maintainable code.
โ๏ธ Native iOS & Android Development โ stable, fast, and user-friendly mobile apps without unnecessary cross-platform complexity.
โ๏ธ Long-Term Mobile Development Partner โ support, maintenance, new features, performance optimization, and product scaling after launch.
๐ฅ ACHIEVEMENTS
โ๏ธ 8+ years of experience as a Mobile App Developer building native iOS and Android applications across multiple industries.
โ๏ธ 30+ mobile app development projects delivered for startups, SaaS, healthcare, fintech, logistics, streaming, wellness, and enterprise products.
โ๏ธ $30K+ in client revenue supported through mobile app development, product improvements, and long-term development cooperation.
โ๏ธ Native mobile apps built for products with 2M+ downloads, 500K+ users, and high daily engagement.
โ๏ธ iOS and Android applications delivered for logistics platforms operating across 60+ cities.
โ๏ธ Mobile app development for AI-powered platforms, fintech products, wearable apps, booking systems, delivery apps, and streaming solutions.
โ๏ธ Strong experience improving existing iOS and Android apps through performance optimization, UI/UX improvements, bug fixing, and feature development.
๐ WHERE I DELIVER
โ๏ธ As a Mobile App Developer โ I build mobile applications from MVP to production-ready product, including architecture, development, integrations, testing, deployment, and maintenance.
โ๏ธ As an iOS Developer โ I deliver native iOS apps for iPhone, iPad, Apple Watch, and Apple ecosystem products using Swift, SwiftUI, and Objective-C.
โ๏ธ As an Android Developer โ I deliver native Android apps for smartphones, tablets, WearOS devices, and Android-based ecosystems using Kotlin and Java.
โ๏ธ As a Native Mobile App Developer โ I work with Firebase, AWS, REST APIs, GraphQL, push notifications, subscriptions, analytics, payments, and real-time features.
โ๏ธ As a long-term development partner โ I help improve existing mobile apps, reduce technical debt, optimize performance, and add new features without breaking the product.
๐ INDUSTRY IMPACT
โ๏ธ Healthcare & Wellness Apps โ native iOS and Android development for wellness platforms, healthcare tools, wearable integrations, biometric data, and user activity tracking.
โ๏ธ Fintech Mobile Apps โ secure payment flows, Stripe and PayPal integrations, Apple Wallet features, subscription systems, and financial dashboards.
โ๏ธ Logistics & GPS Apps โ GPS tracking, geofencing, delivery tracking, real-time location updates, driver apps, and logistics management tools.
โ๏ธ Streaming & IPTV Apps โ IPTV applications, OTT platforms, FireTV apps, video playback optimization, and low-latency streaming features.
โ๏ธ Wearables & IoT Apps โ Apple Watch, WearOS, BLE devices, IoT sensors, smart devices, and biometric integrations.
โ๏ธ AI-Powered Mobile Apps โ AI productivity apps, AI wellness platforms, LLM integrations, real-time analytics, and AI-powered user experiences.
โ๏ธ Booking, Delivery & Marketplace Apps โ mobile products with user profiles, payments, notifications, dashboards, real-time updates, and scalable app architecture.
โ๏ธ HOW I BUILD
โ๏ธ iOS Development: Swift, SwiftUI, Objective-C, Xcode, Apple frameworks, Apple Watch, Apple Wallet, App Store deployment.
โ๏ธ Android Development: Kotlin, Java, Android Studio, Google SDKs, WearOS, Google Play deployment, Android architecture.
โ๏ธ Mobile App Development Stack: Firebase, AWS, REST APIs, GraphQL, push notifications, subscriptions, payments, analytics, dashboards, real-time tracking.
โ๏ธ Product Development: MVP development, startup mobile app development, enterprise mobile apps, UI/UX optimization, performance improvements, feature development.
โ๏ธ Architecture & Workflow: clean architecture, scalable codebase, CI/CD, Agile workflow, code review, app maintenance, long-term support.
Android App Development
Smartphone
Android
Kotlin
Mobile App Development
Swift
iOS
tvOS
iOS Development
Native App Development
App Development
React Native
Flutter
AI Development
Full-Stack Development
SwiftUI
Mobile App Design
iPad App Development
Web Development
JavaScript
Dmitriy C.
Dnipro, Ukraine
$30/hr
5.0
34 jobs
๐ 100k+ MAU app dev experience
โ ๏ธ Staying compliant with Google Play policies
โ 10yrs in the trenches: native Android Developer & Mobile Developer
โ ๏ธ 4.5+ average rating across launched Google Play apps
โ 99.9% crash & ANR free users across all launched apps
โ ๏ธ Kotlin + Jetpack Compose
โ ๏ธ Hands-on experience with local LLMs, MediaPipe, LiteRT / TFLite and AI-powered apps
โ ๏ธ Hands-on experience with Kotlin Multiplatform ( KMP , CMP )
โ ๏ธ 5-star feedback from past clients
โ ๏ธ 100% JSS
โ ๏ธ 30+projects delivered
As a 10yrs Android Developer & Kotlin Developer, I help founders build, scale, and maintain complex apps, fix "vibe-coded" app performance, and integrate on-device AI / LLMs to save cloud costs.
In 2026 I specialize in:
- on-device AI integration using MediaPipe / LiteRT / Google ML Kit / TensorFlow ( Object detection , Face detection , Pose detection , Text summarizing, OCR , TTS, STT );
- video / media editing apps ( FFMpeg , AndroidX Media3 , MediaCodec );
- build, improve and maintain media , social , edtech, utility, productivity tools);
- performance optimization , bug fixing , firebase crash resolution and ANRs
๐๐๐๐๐ Recent feedback :
"I was particularly impressed by his strong attention to detail - nothing was overlooked, and the quality of the work consistently met high standards. He showed real commitment to the project, staying engaged and proactive throughout the development process. His regularity and consistency in delivering work made collaboration smooth and reliable." - Neil
๐ Also I've been building my own Android apps so that gives me a deep understanding of not only a technical part but also ASO and monetization strategy.
โ ๏ธ Recent large-scale projects:
---
PDF Maker & Reader (130k+ installs , ๐4.6 on Google Play)
Role: Android Developer / Android App Developer / Kotlin Developer
I recently built this high-performance Android app from scratch based on Figma mockup using Kotlin.
It allows users to quickly convert images to PDF and edit existing PDFs using a fast, local-first architecture. The app has achieved 130k+ downloads and 8k monthly active users on Google Play, with the crash rate lower than 0.1%.
---
---
US Medical Education App (COMQUEST for COMLEX & COMAT Prep)
Role: Android Developer / Android App Developer / Mobile Developer
As part of an international team alongside iOS Developer and Web Developer, I built this Android app from scratch based on Figma designs for US medical students. Continue providing ongoing support for this project, ensuring the mobile app remains a stable and reliable tool for users.
---
---
US Automotive Video Suite app
Role: Android Developer / Android App Developer / Mobile Developer
In collaborating with an iOS Developer and a Full Stack Developer, I built two native Android apps from scratch as a clone of iOS apps (Dealer Video Inventory and Dealer Video Suite) that allows dealers to capture high-quality vehicle inventory videos and photos. These projects helps dealers increase sales through personalized video.
---
๐ ๐๐๐๐ "Dmitri is a pleasure to work with. He's Android programming skills are exceptional. He's always professional and easy to work with. He is very methodical in his approach. Which at times has resulted in delivery scheduling slipping a little but I rather have a good product than a hastily put together product. We're continuing to work with Dima for other projects." - Philip
Whether you are looking for a Mobile Developer to lead a new project or an Android Developer to optimize an existing Java / Kotlin codebase or optimize performance, my goal is to provide technical clarity and long-term stability.
As a team player for cross-platform projects I have a proven track record of working alongside iOS developers to ensure smooth releases.
I also have specific experience collaborating with Flutter Developers and Full Stack Developers to bridge the gap between cross-platform Flutter / React Native code and the system features specifically by developing custom Java / Kotlin modules to handle native Android OS functionality that standard Flutter plugins can't reach.
---
๐ My core stack:
๐ธ๏ธLanguages: Java , Kotlin
๐ธ๏ธUI: XML , Jetpack Compose
๐ธ๏ธArchitecture: MVVM , MVI , Clean Architecture
๐ธ๏ธNative: Android SDK , Android Studio
๐ธ๏ธMultiplatform: Kotlin Multiplatform ( KMM / KMP ) / Compose Multiplatform ( CMP )
๐ธ๏ธKey features: Camera , Photo & Video capture and edit using FFMpeg , OpenGL , OpenCV ; GPS , Location , Chat , Background syncronization , WorkManager and foreground services, ofline-first approach, on-device AI / LLM , VPN / WireGuard , ExoPlayer / Media3
๐ธ๏ธOn-device AI integration : Video analysis , Image recognition , Object detection , Face detection , Pose Detection , Camera stream analysis , Text-to-Speech , Speech-to-Text ( MediaPipe / Google AI Edge , TensorFlow / TFLite , Google ML kit ).
๐ธ๏ธCloud AI integration : OpenAI , Gemini API
Android App Development
Smartphone
Android
Android SDK
Android Studio
Java
Kotlin
Mobile App Development
Firebase
Software Testing
SQL
iOS Development
Python
CSS
HTML
AOSP
Git
JavaScript
React Native
AI Mobile App Development
Roman K.
Kyiv, Ukraine
$25/hr
5.0
44 jobs
๐๐ฅI swear to God, I use AI to help me build apps, not to write my description. When you talk to me, you talk to HUMAN. And I also have 3M+ downloads across 30+ apps I've published. Can't believe being human is a bigger flex today...
๐ The founders I work with as their mobile app developer keep launching:
โ "Update went successful - our Monthly Active Users crossed 35k" - mobile app development client
โ "We've worked with a lot of sub-contractors, and those guys are the best so far!" - enterprise client after 6-week mobile app development MVP delivery
As a full stack developer who has shipped 30+ apps from scratch, I take ALL the risk with my guarantee package:
- Bug-free product
- Launch on time
- Fixed-price package
*conditions apply
โก๏ธ We may be a great fit if you're thinking:
โ "I don't want to pay first and get a laggy ios app after"
โ "I'm NOT a developer and I have no time to test and manage the app"
โ "I hired a flutter developer before and the launch was embarrassing, never again"
โ "I need a mobile app developer I KNOW will understand my product RIGHT"
โ "I want a flutter app developer who owns decisions"
After 30+ apps as a mobile app developer I focus on Mobile App Development, from idea to launch.
๐ฑ WHAT I BUILD (iOS Android from one Flutter codebase):
โ MVPs and full products: planning, Mobile App Design in Figma, mobile app development, testing, store submission, with 20+ founders shipping a mobile app mvp with me.
โ AI powered apps: chatbots, camera scanners, generative content. Real ai application development, including ai mobile app builds and ai api integration.
โ Marketplace and booking apps: payments, subscriptions, wallets, messaging, User Profile Creation.
โ Streaming and media Mobile App builds, one of which crossed 35k monthly active users.
โ Loyalty, ordering and ERP systems for physical businesses.
โ Web app admin panels and flutter firebase backends: Node.js, API Integration.
All 30+ builds ship as a Mobile App iOS Android on both stores, written by one flutter developer. I write Dart across the Flutter Stack, drop into Native App Development when a plugin needs patching (android kotlin one side, Swift the other), and use Hybrid App Development where a web view earns its place. iOS Development and Android App Development are one project here, not two invoices, across 30+ Android and Smartphone builds.
Working with me you will:
โ Get a clear roadmap. Across 30+ apps as your mobile app developer I handle planning, wireframing, design, development, testing and publishing
โ Get 24/7 support from your flutter developer personally
โ Spend under 1hr/wk managing the project while I handle ios mobile app development
โ Get a clean, documented codebase, plus pre-built components that speed up flutter mobile app development by up to 50%
What 20+ founders say about working with this mobile app developer:
โ "Smooth work, we loved working with Roman and his Team!" - Founder whose hardware product did $1M+ in sales two weeks after launch, powered by our mobile app development
โ "Minor adjustments were made at no extra cost and within a few days. Our app works perfectly!" - Sports App Founder who earned $220k in year one, mobile app development by us
โ "Roman built us a great bespoke CRM System that has pioneered our Sales function" - Startup Founder that raised $300k, full stack developer work by us
I've been a flutter developer for 7+ years. Before Flutter I worked as a react native developer and a react developer, which is exactly why I moved everything onto one codebase. Hire a flutter developer with 30+ apps who has seen what the alternatives cost.
๐ข Stats:
โ Top Rated Plus mobile app developer, Top 3% Globally on Upwork
โ 3M+ Downloads from mobile app development: Streaming, Fitness, Ecommerce, Fintech, Medtech
โ 20+ founders launched with one flutter developer, 30+ apps from scratch
โ 30+ mobile app development projects shipped to both stores as their mobile app developer
๐ eclipt ai, 30+ apps in, provides mobile app development, flutter mobile app development, ios mobile app development, android app development, mobile app design, mobile app design ai, ui ux design, mobile application builds and API Integration. We cover roles clients usually hire separately: flutter developer, mobile app developer, ios app developer, ios developer, swift ios developer, android app developer, android developer, mobile developer, full stack developer, web developer, react native developer, react developer, which is how 30+ apps got built with no handoff gaps.
Need mvp app development from scratch, a startup mvp, a saas mvp, a flutter mvp, or a rescue on a flutterflow build that outgrew the tool? Shipped all of it across 30+ apps.
Sound like a fit?
๐ข Press '...' then 'Send Message'
๐ฌ I'll get back asap
Android App Development
Smartphone
Android
Kotlin
Mobile App Development
iOS Development
Flutter
Mobile App
Firebase
Swift
React Native
Node.js
Mobile App Design
App Development
Dart
Flutter Stack
Hybrid App Development
User Profile Creation
Native App Development
Mobile App Redesign
Alexandra K.
Ivano-Frankivsk, Ukraine
$35/hr
4.6
65 jobs
Full Stack Web Developer, 12+ years and 150+ products shipped across 20+ countries. I lead a team of Laravel and Vue.js developers. The work I am proudest of runs real operations: medical transport moving 5,000+ patients a year, delivery fleets planning 500+ routes a day.
Top Rated on Upwork since 2018. Clutch 5.0 across 20 reviews, GoodFirms 4.93 across 25.
You probably recognize yourself in one of these. You are launching a product and want a first version that still holds up a year in. You are running on a system that has gotten slow and fragile, and hard to hand to a new developer. Or you work in a field where the software has to hold up because people depend on what it moves.
WHAT YOU GET
โ๏ธ A Full Stack Web Developer team behind your build. I lead Laravel developer and Vue.js developer specialists plus a WordPress developer. One person out does not stall the build.
โ๏ธ Ratings you can check. 98% positive reviews across 100+ web projects, an 8-year client relationship still running.
โ๏ธ Systems that hold under real load. The Secure Care UK platform runs 5,000+ secure patient transfers a year across a 25+ vehicle fleet and a 24/7 control room.
โ๏ธ Code you can maintain after handover. Documentation, tests and knowledge transfer. You are never locked into depending on us.
Send me what you are building or the system you need fixed, and I will reply with an architecture plan and the first decision I would settle.
Kind regards, Alexandra
-----
HEALTHCARE, 25+ PROJECTS DELIVERED
- Full Stack Web Developer, Secure Care UK medical transport: 5,000+ secure patient transfers a year, 25+ vehicle fleet, 24/7 control room.
- Healthcare App Developer, Secure Care UK tablet app: status prompts every 30 minutes across 4 job levels, saving a few thousand a month over the old platform.
- Healthcare App Developer, Rheo vitals wearable: 5 vital-sign categories streamed over LTE in real time with per-user alert thresholds.
- HIPAA Developer, fertility tracking app: bug-free rate raised from 85% to 96% on retest, delivered in 3 months against a 4-month estimate.
- Full Stack Web Developer, Healthcare Apps portfolio: 25+ healthcare projects across web and mobile in 12+ years.
LOGISTICS, 20+ PROJECTS DELIVERED
- Logistics App Developer, multi-depot delivery system: 12+ depots, 500+ daily routes, automated planning.
- Laravel Developer, multi-tenant fleet platform: 5+ subsidiaries on one Full Stack Web Developer build with automated route planning.
- Logistics App Developer, courier fleet tool: 3 regions, 100+ active drivers, offline navigation that re-syncs on reconnect.
- Full Stack Web Developer, last-mile logistics app: customer satisfaction lifted from 35% to 85%, delivery wait cut 34% in low-signal areas.
- Back End Developer and Backend Developer, logistics launch: 12 new partners signed within 3 months, 8 more in the pipeline.
WEB PLATFORMS AND LARAVEL
- Full Stack Web Developer, The Cultivist rebuild: 90% jump in user base after launch, 8-year relationship and counting.
- Laravel Developer, FATBZ crypto platform: dual-wallet setup, in-house RNG engine, ForumPay for deposits, payouts and USDT conversion.
- Laravel Developer and Expert Laravel Developer, PHP Laravel API work: 100+ web solutions over 12 years in web development.
- Full Stack Developer, Laravel backend developer builds: REST APIs with clean architecture, Laravel Docker deployment, Laravel Wordpress integrations.
- PHP Developer, Wordpress Developer work: custom themes, plugin development and web design overhauls.
VUE.JS AND FRONT END
- Vue.js Developer, admin dashboards: reusable component libraries in Vue Tailwind with Vuex and Pinia state.
- Vue.js Developer, UX UI Vue.js interfaces: 35+ web designs and 70+ wireframes behind the builds.
- Vue.js Developer, Vue.js Node.js stack: API-driven dashboards with GraphQL and JWT auth.
- Front End Developer, Nuxt Developer work: Vue.js Nuxt and Vue Nuxt server-rendered front ends.
- Vue.js Developer and React Developer collaboration: PHP Laravel React and Laravel Vue delivery with trusted partners.
DESIGN AND MORE
- Web Designer and Website Designer, product design: 40+ mobile app designs, 35+ web designs, 70+ wireframes.
- Website Developer and Full Stack Website Developer, web development: 150+ products shipped, used in 20+ countries.
- MORE: Web Design, Web Development, Full Stack Developer AI, Full Stack MERN, Full Stack React Developer, Full Stack Developer React Node, Python Full Stack Developer, Full Stack Web App, Full Stack Developer Webflow, Full Stack Laravel, Full Stack Developer Laravel, Vue Js Wordpress, Webflow Developer, Shopify Web Developer, Wix Website Developer, Web Scraping: 150+ products, 12+ years, Top Rated since 2018.
SKILLS: HTML, HTML5, CSS, CSS 3, JavaScript, jQuery, PHP, Python, SQL, React, Node.js, Angular, WordPress, Bootstrap, Git, software design, software architecture & design, software development, software debugging, desktop application.
HTML
JavaScript
CSS
PHP
React
Node.js
WordPress
Python
SQL
HTML5
CSS 3
jQuery
Angular
Git
Bootstrap
Software Design
Software Testing
Software Architecture & Design
Software Debugging
Software Development
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Kim Darling
Emerald Tiger
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David Merry
Kinetic Investments
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Katja Krohn
Summa Linguae
How do I hire a Android App Developer in Ukraine on Upwork?
You can hire a Android App Developer in Ukraine on Upwork in four simple steps:
Create a job post tailored to your Android App Developer project scope. We'll walk you through the process step by step.
Browse top Android App Developer talent on Upwork and invite them to your project.
Once the proposals start flowing in, create a shortlist of top Android App Developer profiles and interview.
Hire the right Android App Developer for your project from Upwork, the world's largest work marketplace.
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How much does it cost to hire a Android App Developer?
Rates charged by Android App Developers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.
Why hire a Android App Developer in Ukraine on Upwork?
As the world's work marketplace, we connect highly-skilled freelance Android App Developers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Android App Developer team you need to succeed.
Can I hire a Android App Developer in Ukraine within 24 hours on Upwork?
Depending on availability and the quality of your job post, it's entirely possible to sign up for Upwork and receive Android App Developer proposals within 24 hours of posting a job description.