Timothy T.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Jul 17, 2026.

🏆 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐬𝐭 | 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐃𝐚𝐭𝐢𝐧𝐠 𝐀𝐩𝐩 | 𝗙𝘂𝗹𝗹‑𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿. I’m Timothy Senior 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 and 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 with 08+ years of experience delivering high-performance web, mobile, and AI-driven applications. I specialize in end-to-end solutions including front-end design, back-end development, API integration, and secure database management. 𝐂𝐨𝐫𝐞 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: • Custom Web & Mobile App Development (Front-end & Back-end) • API Design & Integration • Secure & Scalable Database Management SQL/NoSQL • Modern UI/UX Design & Responsive Websites • Deployment, Maintenance & Post-Launch Support ➡ Tech Stack Expertise: Frontend/UI: React.js, Next.js, Redux, Tailwind, Material UI Backend: Node.js, Laravel/PHP, Django/Python, REST & GraphQL APIs Databases: PostgreSQL, MySQL, MongoDB, Firebase, Redis DevOps & Hosting: Docker, GitHub Actions, AWS, DigitalOcean, Vercel Testing & QA: Jest, PyTest, Cypress, Postman, Lighthouse Payments: Stripe, PayPal, Apple Pay, Braintree Collaboration: Figma, Trello, Notion, ClickUp, Jira During the last 5+ years, I have developed many different types of iOS and Android mobile apps. 𝗙𝗼𝗼𝗱 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝘆 𝗔𝗽𝗽, 𝗢𝗻-𝗱𝗲𝗺𝗮𝗻𝗱 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗥𝗶𝗱𝗲 𝗕𝗼𝗼𝗸𝗶𝗻𝗴 𝗔𝗽𝗽 (𝗹𝗶𝗸𝗲 𝗨𝗯𝗲𝗿), 𝗥𝗲𝗮𝗹 𝗘𝘀𝘁𝗮𝘁𝗲 𝗟𝗶𝘀𝘁𝗶𝗻𝗴 𝗔𝗽𝗽, 𝗦𝗼𝗰𝗶𝗮𝗹 𝗠𝗲𝗱𝗶𝗮 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗧𝗮𝘀𝗸 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗔𝗽𝗽 (𝗹𝗶𝗸𝗲 𝗧𝗼-𝗗𝗼), 𝗦𝘁𝗮𝗿𝘁𝘂𝗽/𝗜𝗻𝘃𝗲𝘀𝘁𝗼𝗿𝘀 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗔𝗽𝗽, 𝗪𝗲𝗹𝗹𝗻𝗲𝘀𝘀 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗙𝗶𝘁𝗻𝗲𝘀𝘀 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗦𝗽𝗼𝗿𝘁𝘀 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗘-𝗰𝗼𝗺𝗺𝗲𝗿𝗰𝗲 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗘𝘃𝗲𝗻𝘁 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗚𝗿𝗼𝗰𝗲𝗿𝘆 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗙𝗿𝗲𝗲𝗹𝗮𝗻𝗰𝗲 𝗠𝗮𝗿𝗸𝗲𝘁𝗽𝗹𝗮𝗰𝗲 𝗔𝗽𝗽, 𝗛𝗼𝗺𝗲 𝗦𝗲𝗿𝘃𝗶𝗰𝗲 𝗕𝗼𝗼𝗸𝗶𝗻𝗴 𝗔𝗽𝗽, 𝗜𝗻𝘃𝗲𝗻𝘁𝗼𝗿𝘆 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗔𝗽𝗽, 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗔𝗽𝗽𝗼𝗶𝗻𝘁𝗺𝗲𝗻𝘁 𝗕𝗼𝗼𝗸𝗶𝗻𝗴 𝗔𝗽𝗽, 𝗩𝗲𝗻𝘂𝗲 𝗕𝗼𝗼𝗸𝗶𝗻𝗴 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, and many more. Highlighted Skills: Mobile App Development | Mobile App Developer | Flutter Mobile App| Flutter Mobile App Developer | Flutter Mobile App Firebase | Flutter Mobile App Dart | Flutter Mobile App Developer | Mobile App Developer | Mobile Developer | React Native | React Native Mobile App Development | Mobile App Builder | Flutter Mobile App Developer | Flutter Laravel | Mobile App Development | Mobile App Developer | Flutter Mobile App| Flutter Developer | Flutter Mobile App Firebase | AI Mobile App Developer | AI Mobile App| Full Stack Mobile App Developer | Mobile App Development Consultation | iOS Mobile App Developer | Android Mobile App Developer | Hybrid Mobile App 𝐎𝐭𝐡𝐞𝐫𝐬: Flutter App Development, Dart Programming, Firebase, Supabase, Cross-Platform App Development, Hybrid App Development, Mobile App Development, iOS App Development, Android App Development, Flutter for Web Development, Mobile App UI/UX Design, API Integration, Payment Integration, Third party SDK/Tools Integration, Software Development, User Authentication, In-App Purchases, Mobile Solutions, Firebase Studio, UI/UX Design, Figma, AI App Development, AI Integrations, Bluetooth low energy (BLE) SDK, Full-Stack App Development Services, Agile Development, App Store Deployment, Printer SDK Integration, Offline-first app development, State management, GitHub Actions, Azure DevOps, CI/CD Pipeline, Fastlane, TestFlight, Unit testing, automation, Clean Code, Solution Architect, VS Code, Android Studio, XCode, Transporter, Code review, Code optimization, Mobile Design, Enterprise Mobile App Development, SaaS App, Custom App Development, Smartphone app development. Full Stack Developer | Full Stack Expert | Full Stack Specialist | React Developer | Node.js Developer | MERN Stack Developer | Backend Developer | React.js | Node.js | Senior Full Stack Developer | Full Stack Specialist | Full-Stack Developer (React / Node.js) | React/NestJS/AWS Developer | Full Stack Web Developer | React / Next.js Developer | React.js Expert | React Developer | Node Developer | Node.js | NodeReact | Specialize in Node.js | Node Backend | React Node Expert | React Web Development | Node Web Development | Full Stack MERN Developer | Python Full Stack Developer | Full Stack Developer (React) | Full Stack Laravel Developer | Senior Software Developer | Enterprise SaaS, admin dashboard, Laravel, Livewire, role-based analytics, reporting, internal workflow automation | SaaS developer | MERN Stack Developer | Full Stack Expert