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⚡ 𝐂𝐥𝐞𝐚𝐧 𝐂𝐨𝐝𝐞. 𝐅𝐚𝐬𝐭 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐲. 𝐀𝐈-𝐀𝐬𝐬𝐢𝐬𝐭𝐞𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭. As a 𝐑𝐞𝐚𝐜𝐭 𝐍𝐚𝐭𝐢𝐯𝐞 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫, I have learned one thing: most mobile apps don’t fail because of code. They fail because they’re slow, confusing, crash at the wrong time, or leave users wondering what button they’re supposed to tap next. That’s where I come in. I help startups, founders, and businesses build mobile apps that are fast, scalable, and genuinely enjoyable to use. Whether you’re launching an MVP, modernizing an existing app, or adding new features, I focus on creating products that users love and developers won’t hate maintaining six months later. To stay efficient, I use modern AI-assisted development workflows with tools like 𝐂𝐮𝐫𝐬𝐨𝐫, 𝐂𝐥𝐚𝐮𝐝𝐞, 𝐚𝐧𝐝 𝐂𝐡𝐚𝐭𝐆𝐏𝐓. This helps me prototype faster, solve problems more efficiently, and speed up development without sacrificing code quality, scalability, or maintainability. Here’s where I typically add value: ✔ Building React Native apps from scratch ✔ Turning MVP ideas into real products ✔ Integrating Firebase, APIs, payments & AI features ✔ Fixing bugs, crashes & performance issues ✔ Launching apps on App Store and Google Play My approach is simple: ✅ Build it clean ✅ Build it fast ✅ Make it scalable ✅ Keep communication clear ✅ Don’t leave behind a codebase that scares the next developer I believe great apps are more than working code ,they’re the difference between users staying and users uninstalling. If you’re looking for a developer who understands both the technical side and the business side of mobile products, let’s talk. 𝐋𝐞𝐭’𝐬 𝐛𝐮𝐢𝐥𝐝 𝐚𝐧 𝐚𝐩𝐩 𝐲𝐨𝐮𝐫 𝐮𝐬𝐞𝐫𝐬 𝐰𝐨𝐧’𝐭 𝐮𝐧𝐢𝐧𝐬𝐭𝐚𝐥𝐥 𝐚𝐟𝐭𝐞𝐫 𝐟𝐢𝐯𝐞 𝐦𝐢𝐧𝐮𝐭𝐞𝐬. 🚀

𝗜𝘀 𝘆𝗼𝘂𝗿 𝗽𝗮𝘆𝗺𝗲𝗻𝘁 𝘀𝘆𝘀𝘁𝗲𝗺 𝗰𝗼𝘀𝘁𝗶𝗻𝗴 𝘆𝗼𝘂 𝗺𝗼𝗻𝗲𝘆 𝗮𝗻𝗱 𝗰𝗮𝘂𝘀𝗶𝗻𝗴 𝘀𝗹𝗲𝗲𝗽𝗹𝗲𝘀𝘀 𝗻𝗶𝗴𝗵𝘁𝘀? Let’s turn that stress into success. With over 20 years of experience as a seasoned FinTech leader and Global CTO specializing in 𝗣𝗮𝘆𝗺𝗲𝗻𝘁 𝗚𝗮𝘁𝗲𝘄𝗮𝘆 𝗜𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻, 𝗔𝗣𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻, and 𝗦𝘂𝗯𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻 𝗛𝗮𝗻𝗱𝗹𝗶𝗻𝗴, a proven track record awaits you. Payment systems have been built and optimized to not only meet today's demands but also scale with your business tomorrow—delivering over 𝗨𝗦𝗗 𝟮𝟬𝗠 𝗶𝗻 𝗿𝗲𝘃𝗲𝗻𝘂𝗲 𝗳𝗼𝗿 𝟭𝟬+ 𝗰𝗼𝗺𝗽𝗮𝗻𝗶𝗲𝘀 and powering 200+ successful app launches worldwide. 𝗪𝗵𝗮𝘁 𝗜 𝗕𝗿𝗶𝗻𝗴 𝘁𝗼 𝘁𝗵𝗲 𝗧𝗮𝗯𝗹𝗲: 𝟭. 𝗘𝘅𝗽𝗲𝗿𝘁 𝗣𝗮𝘆𝗺𝗲𝗻𝘁 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀: Mastery in integrating 𝗦𝘁𝗿𝗶𝗽𝗲, 𝗦𝘁𝗿𝗶𝗽𝗲 𝗖𝗼𝗻𝗻𝗲𝗰𝘁, and other payment gateway APIs, ensuring secure, efficient, and scalable payment systems. 𝟮. 𝗦𝘂𝗯𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻 & 𝗧𝗿𝗮𝗻𝘀𝗮𝗰𝘁𝗶𝗼𝗻 𝗟𝗼𝗴𝗶𝗰: Proven expertise in handling recurring payments, multi-invoice payments, partial payments, and complex scenarios like payment failures, refunds, and voiding transactions. 3. 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗟𝗲𝗮𝗱𝗲𝗿𝘀𝗵𝗶𝗽 & 𝗦𝘁𝗿𝗮𝘁𝗲𝗴𝘆: Adept at leading cross-functional teams, communicating with C-level executives, and transforming technical challenges into robust, revenue-generating solutions. 𝟰. 𝗛𝗮𝗻𝗱𝘀-𝗢𝗻 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲: Whether you’re dealing with broken software systems or planning a complete digital transformation, startups and enterprises alike have seen at least a 𝟭𝟬% 𝗶𝗺𝗽𝗿𝗼𝘃𝗲𝗺𝗲𝗻𝘁 𝗶𝗻 𝗲𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝗰𝘆 𝗮𝗻𝗱 𝗽𝗿𝗼𝗳𝗶𝘁𝗮𝗯𝗶𝗹𝗶𝘁𝘆 through these solutions. 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗘𝘅𝗰𝗲𝗹𝗹𝗲𝗻𝗰𝗲 𝗶𝗻 𝗣𝗮𝘆𝗺𝗲𝗻𝘁 𝗣𝗿𝗼𝗰𝗲𝘀𝘀𝗶𝗻𝗴: Leveraging cutting-edge payment processing protocols — 𝗣𝗖𝗜-𝗗𝗦𝗦 𝗰𝗼𝗺𝗽𝗹𝗶𝗮𝗻𝗰𝗲, 𝘁𝗼𝗸𝗲𝗻𝗶𝘇𝗮𝘁𝗶𝗼𝗻, 𝗲𝗻𝗱-𝘁𝗼-𝗲𝗻𝗱 𝗲𝗻𝗰𝗿𝘆𝗽𝘁𝗶𝗼𝗻, and 𝟯𝗗 𝗦𝗲𝗰𝘂𝗿𝗲 𝗶𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻𝘀 — ensures sensitive data is safeguarded and fraud risks are mitigated. Expertise in configuring 𝗣𝗮𝘆𝗺𝗲𝗻𝘁 𝗜𝗻𝘁𝗲𝗻𝘁𝘀, 𝗦𝗲𝘁𝘂𝗽 𝗜𝗻𝘁𝗲𝗻𝘁𝘀, and utilizing 𝘄𝗲𝗯𝗵𝗼𝗼𝗸𝘀 for real-time event handling optimizes 𝗦𝗖𝗔 flows, manages decline handling and chargebacks, and ensures seamless reconciliation across multiple payment channels. A deep understanding of card network rules, risk management strategies, and automated dunning processes guarantees that payment operations remain both resilient and highly efficient. 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗶𝗻 𝗜𝗻-𝗔𝗽𝗽 𝗣𝘂𝗿𝗰𝗵𝗮𝘀𝗲 𝗛𝗮𝗻𝗱𝗹𝗶𝗻𝗴: Extensive experience with 𝗶𝗻-𝗮𝗽𝗽 𝗽𝘂𝗿𝗰𝗵𝗮𝘀𝗲 systems on both 𝗚𝗼𝗼𝗴𝗹𝗲 𝗣𝗹𝗮𝘆 and 𝗔𝗽𝗽𝗹𝗲 𝗔𝗽𝗽 𝗦𝘁𝗼𝗿𝗲 platforms complements robust payment gateway integrations. Successfully blending these in-app purchase mechanisms with 𝗦𝘁𝗿𝗶𝗽𝗲 creates a unified payment ecosystem that supports subscriptions, one-time purchases, and cross-platform transactions. Notable projects include 𝗦𝘁𝗿𝗲𝗮𝗺𝗶𝗹𝘆 and 𝗕𝗿𝗮𝗶𝗻𝗧𝗮𝗽, where in-app purchase flows were seamlessly integrated with backend payment processing to optimize revenue and enhance user experience. 𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁𝘀: 𝟭. 𝗚𝗹𝗼𝗯𝗮𝗹 𝗜𝗺𝗽𝗮𝗰𝘁: Solutions delivered have scaled workforces and revenues — streamlining processes and reducing monthly costs dramatically (e.g., cutting costs from $𝟭𝟲𝟬,𝟬𝟬𝟬 𝘁𝗼 $𝟱𝟬,𝟬𝟬𝟬). 𝟮. 𝗥𝗲𝘀𝘂𝗹𝘁𝘀-𝗗𝗿𝗶𝘃𝗲𝗻: Engagements have doubled revenue for companies like 𝗕𝗿𝗮𝗶𝗻𝗧𝗮𝗽 and contributed to a 𝟵𝟵.𝟲% 𝗰𝗿𝗮𝘀𝗵-𝗳𝗿𝗲𝗲 𝗿𝗮𝘁𝗲, leading to over 𝟭𝟬,𝟬𝟬𝟬 𝗱𝗼𝘄𝗻𝗹𝗼𝗮𝗱𝘀 and high user ratings. 𝟯. 𝗜𝗻𝗻𝗼𝘃𝗮𝘁𝗶𝗼𝗻 & 𝗔𝗴𝗶𝗹𝗶𝘁𝘆: Continuously integrating the latest tools—from 𝗔𝗜 𝗶𝗻𝗻𝗼𝘃𝗮𝘁𝗶𝗼𝗻𝘀 like ChatGPT and DeepSeek to advanced mobile app development frameworks — ensures clients remain ahead of the curve. 𝗖𝗼𝗺𝗽𝗹𝗶𝗮𝗻𝗰𝗲 & 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆: PCI-DSS | SOC2 | HIPAA | GDPR 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲? Partner with an expert who delivers tangible results, allowing you to focus on business growth. If you're ready to stop wrestling with payment integration issues and start experiencing streamlined, profitable operations, let's connect. Book a Consultation Today.

"Bridging the gap between powerful backend logic and stunning frontend CMS design." Most developers are limited to either 'drag-and-drop' tools or 'complex coding.' I offer the best of both worlds. Whether you need a highly-customized WordPress/Shopify ecosystem or a robust Full-Stack Web Application built from scratch, I deliver scalable, secure, and high-performance solutions. My Expertise Full Stack Development (Custom Logic) I build custom web applications and dynamic features that standard CMS tools can't handle. From database architecture to API developments, I ensure your tech stack is rock-solid. Tech: React.js, Next.js , Node.js, PHP, JavaScript (ES6+), SQL/NoSQL. Specialties: Custom Dashboards, API Integrations, and Backend Automation. CMS Architecture (Platform Agnostic) I master the entire CMS landscape to choose the right tool for your business growth. No more "one-size-fits-all" solutions. Market Leaders: WordPress (Custom Themes & Bricks/Elementor), Shopify, Webflow. Business & Pro Platforms: Wix, Squarespace, Framer. Enterprise & Headless: Strapi, Contentful, Magento, Joomla. Strategic Technical Solutions Performance Engineering: Optimizing Core Web Vitals and server-side response times for lightning-fast speeds. Seamless Migrations: Safely transferring data and SEO rankings between platforms (e.g., Wix to WordPress, or Shopify to a custom stack). UI/UX to Code: Pixel-perfect conversion of Figma/Adobe XD designs into fully functional websites. Why Clients Choose Me? Working with me means you get a technical partner, not just a task-doer. I focus on clean code, scalable architecture, and transparent communication. My goal is to deliver a product that is powerful enough to handle your traffic, but easy enough for you to manage yourself. Stop compromising on technical limitations. Let’s build a digital asset that truly scales. Click "Message" or "Hire" to start the conversation!

I'm a senior full-stack developer who handles the whole thing: design, build, ship, support. I also work as an AI-powered developer, using the latest tools in my own workflow, so projects move faster and the quality stays high. What I do: Mobile apps : iOS and Android, polished and fast AI development : ChatGPT, LLMs, and features that feel genuinely smart Complex websites & web apps : heavy logic, real users, no shortcuts SaaS platforms : built to grow with you Custom e-commerce : when off-the-shelf just won't cut it UI/UX & design : because how it feels matters as much as how it works My tools: Django and Python (a sweet spot for web and AI), Vue or React for frontends, React Native or Flutter for mobile, or native code when a project demands it. Cloud setup and hosting handled personally, AWS and Azure certified. When it's done, I'm still around. I'd rather earn a returning client than chase a new one. Satisfaction guaranteed.

🫡 Extremely Reliable, Communicative and Fast 🥇 The Top 1% of Talent (Expert Vetted) 💰 60+ apps shipped, generating over 8 figures in revenue. ⚡ AI speed combined with 8 years of production experience to deliver code that ships fast, feels premium, and scales without cracking. (Available for 2 projects in April 2026) 🛠️ Specializing in Mobile App Development | Flutter, Swift, or React | iOS and Android 🇺🇸 Honored as a Top Mobile App Developer for hire in the United States from 2020-2025. 🏆 Award Winning Mobile App Developer: previous app featured on Apple's List of Best Language Learning Apps. 📰 Featured on Business Insider for my innovative contributions to mobile app development on Upwork. I've had the privilege of propelling clients to significant milestones, including achieving $2M in Annual Recurring Revenue (ARR). Some notable successes include: - A restaurant subscription app reaching $100K+ Monthly Recurring Revenue (MRR) - A fitness community app achieving $1.5M+ ARR. ⭐️ Client Testimonials: "Michael is a gem in the world of mobile app development..." "Among the top 3 developers I've worked with over the past three years..." "A quality developer and a quality human being..." Upwork Stats: 🏅 Top 1% of Mobile Developers 🏅 Top 1% of iOS Developers 🏅 Top 5% of Firebase Developers 🏅 Top 5% of Swift Developers 🎓 Proud Michigan State University Graduate with a Bachelor's Degree in Computer Science. With a solid eight-year trajectory as a Mobile App Developer, I've honed my skills across a plethora of projects that span iOS and Android platforms, utilizing Flutter and Swift to create high-impact applications. My forte lies in converting ideas into digital realities that propel businesses forward. From crafting engaging user interfaces to optimizing backend processes, my holistic approach ensures a robust and scalable app solution. I thrive in various development scenarios, whether its working with a team to deliver a project on a tight deadline or building an application from scratch all on my own. My experience extends to working with startups that have secured significant venture capital funding, as well as established enterprises aiming to expand their digital footprint. 🌟 Why Choose Me: Client Satisfaction: My reviews reflect the genuine value I provide. Effective Communication: I prioritize prompt and sincere interactions to ensure project fluidity. Mastery: I strive for flawless, visually appealing apps worthy of portfolio inclusion. 😁 Excited to collaborate! Whether you're a startup aiming to elevate your product or an established enterprise looking to scale, I'm here to help. Let’s kickstart our partnership with a complimentary 30 minute discussion to blueprint your pathway to success. Specialities: Full Stack Development, AI Systems Architect, AI SaaS Developer, SaaS MVP Development, Mobile MVP Development, Cross-Platform Mobile Apps, Mobile App Development, iOS Development, Scalable SaaS Architecture, AI-Powered SaaS, Flutter App Development, React Native App Development, Backend Development, Frontend Development, Mobile App Architecture, Cross Platform App Development, AI Powered Applications, API Integration, API-Driven Mobile Apps, Cloud Architecture, Production-Ready MVP, Secure APIs, OpenAI Integration, AI Workflow Automation, LLM Integration

➡️My App Store Optimization earned the #1 ranking on the App Store Games - Trivia category in under 1 month for DAFUQ, a previously unranked app. I’ve worked with 150+ apps of all sizes, from startups to global brands like Hard Rock and MGM, achieving impressive results. My experience includes working on more than 15 top-100 apps, with notable examples like BetMGM Sportsbook (#4), Stadium Live (#9), Hard Rock Neverland Casino (#43), Timeleft (#55), Vivino (#38), Qmee (#20), Stronger (#37), DMV Genie (#88) Novel Effect (#47), Minutes (#57), Sole Supplier (#88), DMV Genie (#88), Sole Supplier (#90), and more. [ DATA-DRIVEN APPROACH ] These results come from a transparent, data-driven approach that focuses on improving keyword rankings on both Google Play and the App Store, improving organic downloads, conversion rates, retention rates, app ratings, and ultimately work to grow in-app purchase and subscription revenue. [ INDEPENDENT FREELANCER – I DO ALL THE WORK MYSELF ] Let's set up a free, 30‑minute video screenshare call 📞 to discuss how I can help your app achieve long‑term organic growth. Just send me a message, and I’ll share my calendar 📅 via Upwork. [ QUANTIFIABLE SUCCESS STORIES ] • Increased 21Moves’ monthly subscription revenue from $500 to $10,000 in just 3 months. • Boosted Qmee’s organic downloads from 13,000 to over 70,000 per month in 2 years. • Launched an ASO strategy that generated over $100,000 in monthly revenue. • Scaled apps to earn more than $300,000 per month. [ MOBILE APP MARKETING SPECIALITIES ] • ASO Metadata Optimization • Keyword Research • Cross-Localization (Japanese, Korean, French, etc.) • 7-Figure Apple Search Ads (ASA) Ad Campaigns • App Store Screenshots • App Preview Videos • Custom Product Pages (CPP) • Product Page Optimization A/B Testing • Conversion Rate Optimization (CRO) • App Ratings & Reviews Growth • In-App Events • Push Notifications & In-App Messaging Drip Campaigns • App Onboarding User Flow • User Retention Strategies • In-App Purchases & Subscriptions • App Development Feature Roadmaps [ NO PREDATORY TACTICS ] I can't stand agencies that fail to deliver on their promises. Too many make excuses like shifting market conditions, algorithm updates, low budgets, or increased competitor spending, rather than taking responsibility and adapting their strategy. Their focus is often on extracting as much money as possible before clients realize the strategy isn’t working. I don’t operate that way. My approach is transparent, data-driven, and built around real results, not empty promises. [ YES TO DATA ] I don't pretend to have superhuman intuition. I know how to find, understand, and apply ASO data to create and improve your app store product page. How to measure the impact of the ASO efforts is just as significant, so we're confident in the effects of the ASO efforts. No, "it sounded good" is not a sufficient explanation. Whether you’re an indie developer or a large studio, my ASO strategies can help you reach more users, improve conversion rates, and build long-term organic growth. Let’s talk about how I can help your app achieve its full potential.