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Vladimir B.
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Vladimir B.

AI-Powered Mobile App Developer | Android Developer | Kotlin | Java

AVAILABLE TO START FOR FULL TIME WORK ✅ Expert in Mobile & 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐀𝐩𝐩 Development ✅ 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐌𝐨𝐛𝐢𝐥𝐞 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐬, 𝐀𝐈 𝐀𝐠𝐞𝐧𝐭𝐬 & 𝐋𝐋𝐌 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 ✅ Android • iOS • Flutter • Kotlin 👀 Click Hire or Invite Senior Android Developer & Mobile Architect 👉 𝐖𝐇𝐀𝐓 𝐘𝐎𝐔 𝐆𝐄𝐓 ✔️ Senior Android Developer - 15+ years of experience, 2,000+ jobs completed on Upwork, 100% project success, scalable architecture deployment, and extreme client impact. ✔️ Android Developer Kotlin Specialist - modern modular builds, Jetpack Compose expertise, and production-ready engineering standards. ✔️ Mobile Developer & App Developer iOS Android Systems - faster release cycles, cross-platform collaboration, and defensive coding setups for startup MVP and enterprise environments. 👉 𝐀𝐈-𝐍𝐀𝐓𝐈𝐕𝐄 𝐌𝐎𝐁𝐈𝐋𝐄 𝐄𝐍𝐆𝐈𝐍𝐄𝐄𝐑𝐈𝐍𝐆 𝐄𝐗𝐏𝐄𝐑𝐓 ✔️ Strategic 𝐀𝐈 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 & Prototyping - leveraging AI-native workflows, agentic coding systems, and autonomous 𝐀𝐈 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 practices to accelerate delivery. ✔️ Multi-Agent Workflow Orchestration - implementing prompt engineering, spec-driven development, and human-in-the-loop 𝐀𝐈 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠. ✔️ 𝐀𝐈-𝐀𝐬𝐬𝐢𝐬𝐭𝐞𝐝 Testing & DevOps - utilizing AI-assisted debugging, AI-powered refactoring, screenshot-driven UI iteration, and AI-enhanced CI/CD automation with Docker and Kubernetes. 👉 𝐀𝐂𝐇𝐈𝐄𝐕𝐄𝐌𝐄𝐍𝐓𝐒 ✔️ 15+ years, 25,000+ hours, hundreds of applications delivered as a leading Android developer, mobile software engineer, and Android game developer across global markets. ✔️ 2,000+ contracts successfully executed on Upwork through native Android app development, SDK research, and legacy app modernization projects. ✔️ 100,000+ active users supported on high-load production environments using RxJava, Dependency Injection, and real-time streaming workflows. ✔️ 10,000+ active device configurations managed within distributed architectures, utility applications, and BLE sync modules through Android Kotlin refactoring. ✔️ High-converting customer flows across enterprise mobile solutions, fintech portals, and marketplace applications. ✔️ Faster background processing and improved efficiency through API integrations, JNI integration structures, and memory-leak profiling. ✔️ Shorter startup MVP timelines and fewer post-launch defects through Android Java to Kotlin migration and Google Play submission expertise. 👉 𝐖𝐇𝐄𝐑𝐄 𝐈 𝐃𝐄𝐋𝐈𝐕𝐄𝐑 ✔️ As an Android developer Kotlin expert - building reactive systems from scratch using Kotlin, Jetpack Compose, Android Jetpack, and modern architecture components. ✔️ As an experienced Android Java engineer - handling legacy support, backend API integrations, structural refactoring, and app modernization initiatives. ✔️ As a cross-functional mobile developer - driving end-to-end product development while collaborating with iOS developers, Flutter developers, and backend engineering teams. ✔️ As a native application architect - deploying MVVM, MVP, and Clean Architecture optimized for modern Google Play requirements. ✔️ As a long-term developer - providing ongoing testing and maintenance, feature additions, BLE and sensors integration, deep debugging, and backend support. 👉 𝐈𝐍𝐃𝐔𝐒𝐓𝐑𝐘 𝐈𝐌𝐏𝐀𝐂𝐓 ✔️ Real-Time Streaming & Utilities - media playback engines, real-time chat synchronization, background processing, and BLE communication. ✔️ Enterprise & Business Apps - secure offline-first structures, local synchronization, encrypted authentication, and performance optimization. ✔️ Android Game Development - rendering optimization, frame-rate scaling, interactive animations, and modular gaming logic. 👉 𝐇𝐎𝐖 𝐈 𝐁𝐔𝐈𝐋𝐃 ✔️ Production-Ready Coding Standards: prioritizing robust Android architectures, responsive UI, API documentation, and clean developer handoff. ✔️ Agile Development & Scrum Frameworks: technical leadership, rapid feedback loops, and fast prototyping to capture market opportunities. Looking for a reliable Senior Android Developer, Android Developer Kotlin Expert, or an experienced Mobile Developer who can build a native application from scratch, optimize legacy architectures, or orchestrate AI app integrations for long-term collaboration? ☎️ Let's connect! Send an invite and let's discuss your mobile application goals.

🇺🇦Kirovograd, Ukraine$40/hr100% JSS5.00 (2)Since Nov 2015
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Earnings and projects

MRR
$17k

Last 6 months ÷ 6

World#311 / 412k
🇺🇦Country#23 / 14.3k
Revenue, last 30 days
$16k

Last 6 months: $104k

World#453 / 412k
🇺🇦Country#27 / 14.3k
Total earnings
$304k

Billed in all: $319k

World#7,534 / 412k
🇺🇦Country#646 / 14.3k
Per project
$101k

$104k in the last 6 months

World#185 / 412k
🇺🇦Country#19 / 14.3k
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇺🇦Country#4,718 / 14.3k
Projects in all
3
33% fixed67% hourly
World#304,140 / 412k
🇺🇦Country#11,447 / 14.3k

Earnings, last 30 days

$319k+$16.5k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$300k$310k$320kOct 8Oct 23Nov 7

Skill rankings: #1 in 7 skills of 19

Rarest: top 0.07% in Git, of 5,766. Ranked by MRR among everyone on Upwork with the skill.

  1. 1Android SDK805 freelancers · 🇺🇦 #1Top 0.12%
  2. 1Android App776 freelancers · 🇺🇦 #1Top 0.13%
  3. 1Google Play282 freelancers · 🇺🇦 #1Top 0.35%
  4. 1Machine Learning Algorithm139 freelancers · 🇺🇦 #1Top 0.72%
  5. 1Android NDK94 freelancers · 🇺🇦 #1Top 1%
  6. 1App Feature Development66 freelancers · 🇺🇦 #1Top 2%
  7. 1Android Smartphone50 freelancers · 🇺🇦 #1Top 2%
  8. #4Git5,766 freelancers · 🇺🇦 #1Top 0.07%