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Sohaib Ahmed S.

Karachi, Pakistan

$49/hr
4.9
87 jobs

Are you a ๐—ณ๐—ผ๐˜‚๐—ป๐—ฑ๐—ฒ๐—ฟ or ๐—ฏ๐˜‚๐˜€๐—ถ๐—ป๐—ฒ๐˜€๐˜€ ๐—ผ๐˜„๐—ป๐—ฒ๐—ฟ ready to turn your idea into a ๐—บ๐—ผ๐—ฏ๐—ถ๐—น๐—ฒ ๐—ฎ๐—ฝ๐—ฝ? Want to ๐—น๐—ฎ๐˜‚๐—ป๐—ฐ๐—ต ๐— ๐—ฉ๐—ฃ ๐—ฎ๐—ฝ๐—ฝ on iOS & Android, get it in front of ๐—ฟ๐—ฒ๐—ฎ๐—น ๐˜‚๐˜€๐—ฒ๐—ฟ๐˜€, and turn your idea into a ๐˜„๐—ผ๐—ฟ๐—ธ๐—ถ๐—ป๐—ด ๐—ฝ๐—ฟ๐—ผ๐—ฑ๐˜‚๐—ฐ๐˜?... Is your mobile app, web app, or SaaS idea taking longer than expected to become a ๐—ฟ๐—ฒ๐—ฎ๐—น ๐—ฝ๐—ฟ๐—ผ๐—ฑ๐˜‚๐—ฐ๐˜? You may know what you want to build, but getting from idea to launch can bring a few challenges: ๐Ÿ”น Not sure what to build first? Too many features can make your MVP more expensive and delay the launch. ๐Ÿ”น Finding it difficult to keep development on track? Changes, rework, and unexpected issues can increase both your timeline and budget. ๐Ÿ”น Still not ready to launch? The longer your product stays unfinished, the longer you wait to test your idea, reach your first users, and learn what they actually need. ๐—ง๐—ต๐—ฎ๐˜'๐˜€ ๐˜„๐—ต๐—ฒ๐—ฟ๐—ฒ ๐—œ ๐—ฐ๐—ผ๐—บ๐—ฒ ๐—ถ๐—ป. I'm ๐—ฆ๐—ผ๐—ต๐—ฎ๐—ถ๐—ฏ, a ๐—™๐˜‚๐—น๐—น-๐—ฆ๐˜๐—ฎ๐—ฐ๐—ธ ๐—ฅ๐—ฒ๐—ฎ๐—ฐ๐˜ ๐—ก๐—ฎ๐˜๐—ถ๐˜ƒ๐—ฒ & ๐— ๐—ผ๐—ฏ๐—ถ๐—น๐—ฒ ๐—”๐—ฝ๐—ฝ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—ฒ๐—ฟ with 10+ years of experience helping ๐—ณ๐—ผ๐˜‚๐—ป๐—ฑ๐—ฒ๐—ฟ๐˜€, ๐˜€๐˜๐—ฎ๐—ฟ๐˜๐˜‚๐—ฝ๐˜€, ๐—ฎ๐—ป๐—ฑ ๐—ฏ๐˜‚๐˜€๐—ถ๐—ป๐—ฒ๐˜€๐˜€๐—ฒ๐˜€ turn their ideas into ๐— ๐—ฉ๐—ฃ ๐—ฎ๐—ฝ๐—ฝ๐˜€ ๐—ฎ๐—ป๐—ฑ ๐—ฑ๐—ถ๐—ด๐—ถ๐˜๐—ฎ๐—น ๐—ฝ๐—ฟ๐—ผ๐—ฑ๐˜‚๐—ฐ๐˜๐˜€. ๐Ÿ† ๐’๐ž๐ง๐ข๐จ๐ซ ๐‘๐ž๐š๐œ๐ญ ๐๐š๐ญ๐ข๐ฏ๐ž ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ (๐Ÿ๐ŸŽ+ ๐˜๐ž๐š๐ซ๐ฌ) ๐Ÿ“ฑ ๐Ÿ“๐ŸŽ+ ๐Œ๐จ๐›๐ข๐ฅ๐ž ๐€๐ฉ๐ฉ๐ฌ ๐ƒ๐ž๐ฅ๐ข๐ฏ๐ž๐ซ๐ž๐ ๐Ÿค– ๐€๐ˆ ๐Œ๐จ๐›๐ข๐ฅ๐ž ๐€๐ฉ๐ฉ ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ฆ๐ž๐ง๐ญ ๐ŸŒ ๐Ÿ๐ŸŽ+ ๐–๐ž๐›๐ฌ๐ข๐ญ๐ž๐ฌ ๐‚๐จ๐ฆ๐ฉ๐ฅ๐ž๐ญ๐ž๐ ๐Ÿ† ๐“๐จ๐ฉ ๐‘๐š๐ญ๐ž๐ ๐‹๐š๐ซ๐š๐ฏ๐ž๐ฅ ๐„๐ฑ๐ฉ๐ž๐ซ๐ญ ๐Ÿ’ผ ๐Ÿ–๐ŸŽ+ ๐‰๐จ๐›๐ฌ ๐‚๐จ๐ฆ๐ฉ๐ฅ๐ž๐ญ๐ž๐ โญ ๐Ÿ“๐ŸŽ+ ๐‘๐ž๐ฏ๐ข๐ž๐ฐ๐ฌ โญ ๐Ÿ“โ˜… ๐‚๐ฅ๐ข๐ž๐ง๐ญ ๐‘๐š๐ญ๐ข๐ง๐  Hereโ€™s where I can take the technical work off your plate: โœ… ๐‘๐ž๐š๐œ๐ญ ๐๐š๐ญ๐ข๐ฏ๐ž ๐Œ๐จ๐›๐ข๐ฅ๐ž ๐€๐ฉ๐ฉ๐ฌ โ€“ I build smooth iOS and Android apps with React Native, keeping your MVP focused on the features your users actually need. โœ… ๐Œ๐•๐ ๐€๐ฉ๐ฉ ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ฆ๐ž๐ง๐ญ โ€“ I help turn your core idea into a working MVP without overbuilding it, so you can launch, test, and improve based on real user feedback. โœ… ๐€๐ˆ ๐Œ๐จ๐›๐ข๐ฅ๐ž ๐€๐ฉ๐ฉ๐ฌ โ€“ I can integrate AI-powered features into mobile products where they make sense, from AI APIs and assistants to intelligent product features. โœ… ๐–๐ž๐› ๐€๐ฉ๐ฉ๐ฌ & ๐๐š๐œ๐ค๐ž๐ง๐ โ€“ I build the web app, APIs, dashboards, and backend systems using React, Laravel, and PHP so your product works as a single connected system. โœ… ๐–๐จ๐ซ๐๐๐ซ๐ž๐ฌ๐ฌ โ€“ I build fast, responsive websites for your product or business that need a professional web presence. ๐—›๐—ฒ๐—ฟ๐—ฒโ€™๐˜€ ๐—ฎ ๐—ฟ๐—ฒ๐—ฐ๐—ฒ๐—ป๐˜ ๐—ฐ๐—น๐—ถ๐—ฒ๐—ป๐˜ ๐—ฟ๐—ฒ๐˜ƒ๐—ถ๐—ฒ๐˜„ ๐—ณ๐—ฟ๐—ผ๐—บ ๐—ซ๐—ฝ๐—ฟ๐—ฒ๐˜€๐˜€ ๐—ฃ๐—น๐—ฎ๐˜๐—ฒ๐˜€, a business MVP I built for a startup and launched for real users. You can also check ๐—ซ๐—ฝ๐—ฟ๐—ฒ๐˜€๐˜€ ๐—ฃ๐—น๐—ฎ๐˜๐—ฒ๐˜€ and my other recent work in my ๐—ฝ๐—ผ๐—ฟ๐˜๐—ณ๐—ผ๐—น๐—ถ๐—ผ ๐—ฐ๐—ฎ๐˜๐—ฎ๐—น๐—ผ๐—ด: โ ๐—ข๐˜‚๐˜๐˜€๐˜๐—ฎ๐—ป๐—ฑ๐—ถ๐—ป๐—ด ๐˜„๐—ผ๐—ฟ๐—ธ ๐—ฏ๐˜† ๐—ฆ๐—ผ๐—ต๐—ฎ๐—ถ๐—ฏ. ๐—›๐—ฒ ๐˜€๐˜‚๐—ฐ๐—ฐ๐—ฒ๐˜€๐˜€๐—ณ๐˜‚๐—น๐—น๐˜† ๐—ฑ๐—ฒ๐—น๐—ถ๐˜ƒ๐—ฒ๐—ฟ๐—ฒ๐—ฑ ๐—ผ๐˜‚๐—ฟ ๐—ซ๐—ฝ๐—ฟ๐—ฒ๐˜€๐˜€ ๐—ฃ๐—น๐—ฎ๐˜๐—ฒ๐˜€ ๐—บ๐—ผ๐—ฏ๐—ถ๐—น๐—ฒ ๐—ฎ๐—ฝ๐—ฝ ๐˜‚๐˜€๐—ถ๐—ป๐—ด ๐—ฅ๐—ฒ๐—ฎ๐—ฐ๐˜ ๐—ก๐—ฎ๐˜๐—ถ๐˜ƒ๐—ฒ, ๐—ฎ๐—น๐—ผ๐—ป๐—ด ๐˜„๐—ถ๐˜๐—ต ๐—ฎ ๐—ฝ๐—ผ๐˜„๐—ฒ๐—ฟ๐—ณ๐˜‚๐—น ๐—Ÿ๐—ฎ๐—ฟ๐—ฎ๐˜ƒ๐—ฒ๐—น ๐—ฏ๐—ฎ๐—ฐ๐—ธ๐—ฒ๐—ป๐—ฑ ๐—ฎ๐—ป๐—ฑ ๐—ฎ ๐—ฅ๐—ฒ๐—ฎ๐—ฐ๐˜.๐—ท๐˜€ ๐—ฎ๐—ฑ๐—บ๐—ถ๐—ป ๐—ฝ๐—ฎ๐—ป๐—ฒ๐—น. ๐—›๐—ถ๐˜€ ๐˜๐—ฒ๐—ฐ๐—ต๐—ป๐—ถ๐—ฐ๐—ฎ๐—น ๐—ฒ๐˜…๐—ฝ๐—ฒ๐—ฟ๐˜๐—ถ๐˜€๐—ฒ, ๐—ฎ๐˜๐˜๐—ฒ๐—ป๐˜๐—ถ๐—ผ๐—ป ๐˜๐—ผ ๐—ฑ๐—ฒ๐˜๐—ฎ๐—ถ๐—น, ๐—ฎ๐—ป๐—ฑ ๐—ฎ๐—ฏ๐—ถ๐—น๐—ถ๐˜๐˜† ๐˜๐—ผ ๐—บ๐—ฎ๐—ป๐—ฎ๐—ด๐—ฒ ๐—ฏ๐—ผ๐˜๐—ต ๐—ณ๐—ฟ๐—ผ๐—ป๐˜๐—ฒ๐—ป๐—ฑ ๐—ฎ๐—ป๐—ฑ ๐—ฏ๐—ฎ๐—ฐ๐—ธ๐—ฒ๐—ป๐—ฑ ๐—บ๐—ฎ๐—ฑ๐—ฒ ๐˜๐—ต๐—ฒ ๐—ฝ๐—ฟ๐—ผ๐—ฐ๐—ฒ๐˜€๐˜€ ๐˜€๐—บ๐—ผ๐—ผ๐˜๐—ต ๐—ฎ๐—ป๐—ฑ ๐—ฒ๐—ณ๐—ณ๐—ถ๐—ฐ๐—ถ๐—ฒ๐—ป๐˜. ๐—–๐—ผ๐—บ๐—บ๐˜‚๐—ป๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป ๐˜„๐—ฎ๐˜€ ๐—ฒ๐˜…๐—ฐ๐—ฒ๐—น๐—น๐—ฒ๐—ป๐˜, ๐—ฎ๐—ป๐—ฑ ๐˜๐—ต๐—ฒ ๐—ณ๐—ถ๐—ป๐—ฎ๐—น ๐—ฝ๐—ฟ๐—ผ๐—ฑ๐˜‚๐—ฐ๐˜ ๐—ฒ๐˜…๐—ฐ๐—ฒ๐—ฒ๐—ฑ๐—ฒ๐—ฑ ๐—ฒ๐˜…๐—ฝ๐—ฒ๐—ฐ๐˜๐—ฎ๐˜๐—ถ๐—ผ๐—ป๐˜€. โž โ€” ๐—ญ๐—ฎ๐—ถ๐—ฑ ๐—”๐˜„๐—ฎ๐—ป๐˜†, ๐—ซ๐—ฝ๐—ฟ๐—ฒ๐˜€๐˜€ ๐—ฃ๐—น๐—ฎ๐˜๐—ฒ๐˜€ ๐—ง๐—ต๐—ฎ๐˜โ€™๐˜€ ๐˜๐—ต๐—ฒ ๐—ธ๐—ถ๐—ป๐—ฑ ๐—ผ๐—ณ ๐—ฒ๐˜…๐—ฝ๐—ฒ๐—ฟ๐—ถ๐—ฒ๐—ป๐—ฐ๐—ฒ ๐—œ ๐—ฏ๐—ฟ๐—ถ๐—ป๐—ด ๐˜๐—ผ ๐—ฏ๐˜‚๐—ถ๐—น๐—ฑ๐—ถ๐—ป๐—ด ๐—ฝ๐—ฟ๐—ผ๐—ฑ๐˜‚๐—ฐ๐˜๐˜€ ๐—ณ๐—ฟ๐—ผ๐—บ ๐—ถ๐—ฑ๐—ฒ๐—ฎ ๐˜๐—ผ ๐—น๐—ฎ๐˜‚๐—ป๐—ฐ๐—ต. If youโ€™re still working out the right features, unsure where to start, or want a clearer picture of your MVP before moving into development, letโ€™s start by putting your idea into something you can actually see. ๐—ช๐—ฎ๐—ป๐˜ ๐˜๐—ผ ๐˜€๐—ฒ๐—ฒ ๐—ต๐—ผ๐˜„ ๐˜†๐—ผ๐˜‚๐—ฟ ๐— ๐—ฉ๐—ฃ ๐—ฐ๐—ผ๐˜‚๐—น๐—ฑ ๐—น๐—ผ๐—ผ๐—ธ? Send me your idea and letโ€™s have a ๐—ณ๐—ฟ๐—ฒ๐—ฒ ๐—ฐ๐—ผ๐—ป๐˜€๐˜‚๐—น๐˜๐—ฎ๐˜๐—ถ๐—ผ๐—ป. I can put together an ๐—ถ๐—ป๐—ถ๐˜๐—ถ๐—ฎ๐—น ๐— ๐—ฉ๐—ฃ ๐—บ๐—ผ๐—ฐ๐—ธ๐˜‚๐—ฝ ๐˜„๐—ถ๐˜๐—ต๐—ถ๐—ป ๐—ฎ ๐—ณ๐—ฒ๐˜„ ๐—ต๐—ผ๐˜‚๐—ฟ๐˜€ for you to look over, then we can discuss the features and next steps. If you like the direction, we can continue. If not, ๐—ป๐—ผ ๐—ฝ๐—ฟ๐—ฒ๐˜€๐˜€๐˜‚๐—ฟ๐—ฒ โ€” ๐˜†๐—ผ๐˜‚ ๐—ฐ๐—ฎ๐—ป ๐˜€๐—ถ๐—บ๐—ฝ๐—น๐˜† ๐˜„๐—ฎ๐—น๐—ธ ๐—ฎ๐˜„๐—ฎ๐˜†. ๐—ฆ๐—ฒ๐—ป๐—ฑ ๐—บ๐—ฒ ๐—ฎ ๐—บ๐—ฒ๐˜€๐˜€๐—ฎ๐—ด๐—ฒ ๐—ผ๐—ฟ ๐—ฏ๐—ผ๐—ผ๐—ธ ๐—ฎ ๐—ณ๐—ฟ๐—ฒ๐—ฒ ๐—ฐ๐—ผ๐—ป๐˜€๐˜‚๐—น๐˜๐—ฎ๐˜๐—ถ๐—ผ๐—ป โ€” ๐—น๐—ฒ๐˜โ€™๐˜€ ๐˜€๐˜๐—ฎ๐—ฟ๐˜ ๐—ฏ๐—ฟ๐—ถ๐—ป๐—ด๐—ถ๐—ป๐—ด ๐˜†๐—ผ๐˜‚๐—ฟ ๐—ถ๐—ฑ๐—ฒ๐—ฎ ๐˜๐—ผ ๐—น๐—ถ๐—ณ๐—ฒ. Thanks, ๐—ฆ๐—ผ๐—ต๐—ฎ๐—ถ๐—ฏ ๐—”๐—ต๐—บ๐—ฒ๐—ฑ ๐—ฆ๐—ถ๐—ฑ๐—ฑ๐—ถ๐—พ๐˜‚๐—ถ ๐—ฌ๐—ผ๐˜‚๐—ฟ ๐—ฅ๐—ฒ๐—ฎ๐—ฐ๐˜ ๐—ก๐—ฎ๐˜๐—ถ๐˜ƒ๐—ฒ & ๐— ๐—ฉ๐—ฃ ๐—”๐—ฝ๐—ฝ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜ ๐—ฃ๐—ฎ๐—ฟ๐˜๐—ป๐—ฒ๐—ฟ P.S. ๐—ฌ๐—ผ๐˜‚ ๐—ฑ๐—ผ๐—ปโ€™๐˜ ๐—ป๐—ฒ๐—ฒ๐—ฑ ๐˜๐—ผ ๐—ต๐—ฎ๐˜ƒ๐—ฒ ๐—ฒ๐˜ƒ๐—ฒ๐—ฟ๐˜†๐˜๐—ต๐—ถ๐—ป๐—ด ๐—ณ๐—ถ๐—ด๐˜‚๐—ฟ๐—ฒ๐—ฑ ๐—ผ๐˜‚๐˜ ๐—ฏ๐—ฒ๐—ณ๐—ผ๐—ฟ๐—ฒ ๐—ฟ๐—ฒ๐—ฎ๐—ฐ๐—ต๐—ถ๐—ป๐—ด ๐—ผ๐˜‚๐˜. Even if you only have a rough idea or Figma design, we can start there and work out the next step together.

  • Mobile App
  • React
  • React Native
  • Web Application
  • Mobile App Development
  • Native App Development
  • iOS Development
  • Android App
  • Android App Development
  • Laravel
  • PHP
  • WordPress
  • WordPress Development
  • WordPress Website
  • WordPress Optimization
  • WordPress Website Design
  • WordPress Landing Page
  • AI Development
  • AI App Development
  • AI Mobile App Development
Andrey C.

Los Angeles, California

$35/hr
4.8
97 jobs

25+ years in software, 17+ years in mobile, and 700+ apps delivered. I build and scale iOS, Android, Flutter & React Native products end to end - from architecture and backend integrations to launch, monetization, performance, and long-term growth. ๐Ÿ‘‹ Hi! Iโ€™m a veteran full stack developer, mobile app developer, and team lead leading a senior long-term team capable of taking products from idea โ†’ launch โ†’ scale โ†’ maintenance. Iโ€™ve been in professional software development for 25+ years and mobile app development for 17+ years, delivering scalable iOS Development, Android App Development, Flutter, React Native, and backend-driven platforms across startups, SaaS products, enterprises, and high-growth mobile ecosystems. Clients usually come to us when they need more than just coding - they need a technical partner who understands architecture, business logic, scalability, monetization, and long-term product growth. ๐Ÿ† Why Clients Choose Me โœ”๏ธ 25+ years as a full stack developer and software architectโ€จ โœ”๏ธ 17+ years in mobile app developmentโ€จ โœ”๏ธ 700+ mobile apps delivered across iOS, Android, Flutter & React Nativeโ€จ โœ”๏ธ Expertise in native app development, hybrid app development, and scalable backend systemsโ€จ โœ”๏ธ Reduced crash rates by up to 70% and improved app performance by 50% on production appsโ€จ โœ”๏ธ Built mobile platforms used by 5M+ users worldwideโ€จ โœ”๏ธ Strong experience with Mobile App Improvement, Mobile App Bug Fix, and modernization projectsโ€จ โœ”๏ธ Long-term experience with startups, SaaS companies, enterprises, and Fortune 500 clientsโ€จ โœ”๏ธ Full-cycle delivery: architecture โ†’ development โ†’ deployment โ†’ scaling โ†’ suppo As a mobile application developer, ios developer, android developer, flutter developer, and full stack developer, I specialize in building high-performance native and cross-platform mobile apps used by millions of users worldwide. I work with native iOS development using Swift, SwiftUI, UIKit, and Objective-C, native Android development with Kotlin and Java, as well as Flutter, React Native, and hybrid app development for scalable cross-platform delivery. Over the years, Iโ€™ve helped build 700+ apps across fintech, healthcare, social networking, education, entertainment, e-commerce, IoT, and enterprise SaaS. My experience covers the full mobile app development lifecycle - system architecture, UI/UX implementation, backend development, API Integration, DevOps, deployment, scaling, optimization, and long-term product evolution. ๐Ÿ“ฑ Native iOS & Android Development โ€ข Native iOS Development with Swift, SwiftUI, UIKit, Combine, Objective-C โ€ข Native Android App Development with Kotlin, Java, Jetpack Compose โ€ข Smartphone app optimization for performance, UX, and scalability โ€ข Clean Architecture, MVVM, VIPER, modular app structures โ€ข Device integrations: BLE, GPS, biometrics, camera, sensors, HealthKit, Google Fit โ€ข App Store & Google Play deployment pipelines โ€ข Multi-language apps with localization and accessibility support โ€ข Advanced performance optimization and memory management ๐Ÿ” Cross-Platform & Hybrid App Development โ€ข Flutter developer expertise for scalable cross-platform products โ€ข React Native development with custom native module integrations โ€ข Kotlin Multiplatform Mobile (KMM/KMP) โ€ข Shared business logic across iOS and Android โ€ข Adaptive UI systems and responsive mobile layouts โ€ข Cross-platform architectures reducing development time by 40โ€“60% ๐Ÿ”ง Backend, API Integration & Infrastructure โ€ข REST API and GraphQL API Integration โ€ข Firebase, Node.js, PHP, and scalable backend services โ€ข Authentication systems, caching, offline sync, token management โ€ข SQLite, Room, Realm, Core Data โ€ข Push notifications: FCM, APNS, OneSignal โ€ข Real-time chat, geolocation systems, dashboards, and live data platforms โ€ข Backend-connected mobile ecosystems with scalable cloud infrastructure โš™๏ธ DevOps, CI/CD & Delivery โ€ข Fastlane, GitHub Actions, Bitrise, Firebase App Distribution โ€ข Automated testing and deployment pipelines โ€ข Beta testing, crash analytics, staged rollouts โ€ข CI/CD optimization for faster and safer release cycles โ€ข AWS and scalable cloud deployment workflows ๐Ÿ“Š Analytics & Monetization โ€ข Firebase Analytics, Mixpanel, Amplitude, Google Analytics โ€ข In-app purchases, subscriptions, AdMob, Facebook Ads โ€ข Retention optimization and funnel analytics โ€ข Data-driven product iteration and growth optimization ๐Ÿ”Œ Advanced SDK & Hardware Integrations โ€ข AVFoundation, CameraX, Core Bluetooth, Core Motion โ€ข Stripe, Twilio, Agora, Sendbird, Mapbox, OpenCV โ€ข IoT dashboards, BLE integrations, voice/video systems โ€ข Camera-heavy and sensor-based mobile applications ๐ŸŒ Industries Served โ€ข Fintech & Banking โ€ข Healthcare & Fitness โ€ข E-commerce & Retail โ€ข Smart Home & IoT โ€ข Education & E-learning โ€ข Social Networking โ€ข Travel & Hospitality โ€ข Entertainment & Media โ€ข SaaS & Enterprise Platforms โœ… Letโ€™s Build a Mobile Product That Scales!

  • App Development
  • Mobile App
  • Flutter
  • Mobile App Development
  • Hybrid App Development
  • iOS Development
  • Android App Development
  • iPad App Development
  • Android
  • iOS
  • Smartphone
  • Swift
  • Objective-C
  • Firebase
  • Apple Xcode
  • API Integration
  • User Authentication
  • User Profile Creation
  • Kotlin
  • Mobile App Design
Nader H.

Cairo, Egypt

$30/hr
5.0
18 jobs

From Concept ๐Ÿ’ก to Reality ๐Ÿ“ฒ and Beyond ๐Ÿ’ฐ๐Ÿš€โฌ†๏ธ Top Rated Plus Full Stack Wizard with 8+ years of experience, ready to breathe life into your tech visions! I specialize in mobile apps, web development, and CRM solutions. Whether it's building scalable architectures, integrating third-party APIs, or designing robust databases, Iโ€™ve got you covered. View my upwork portfolio website @ naderhosny.com ๐Ÿš€ Why Work With Me? โœ… Expertise Across Multiple Stacks: โœจ Angular โ€“ Crafting dynamic web applications. โœจ React - Crafting dynamic web applications using react and react native. โœจ ASP.NET Core โ€“ Building secure, scalable backends. โœจ Node.js โ€“ Developing efficient server-side applications. โœจ Python Django โ€“ Crafting robust backend systems. โœ… Proven Track Record: โญ Top Rated Plus on Upwork with a history of delivering exceptional results. โญ 7+ years of hands-on experience in full-stack development. โญ Client satisfaction & high-quality solutions โ€“ always a priority! โœ… A Clientโ€™s Words: "Naderโ€™s technical expertise stood out as he delivered a high-quality, functional solution that met all project specifications. He was professional, responsive, and open to feedback, making the collaboration smooth and productive. His commitment to delivering a polished product on time is commendable. Highly recommended!" ๐Ÿ› ๏ธ My Tech Stack: ๐Ÿ”น Ionic (Hybrid mobile apps) ๐Ÿ”น Angular (Frontend development) ๐Ÿ”น ASP.NET Core (Scalable backend solutions) ๐Ÿ”น Node.js (Efficient server-side apps) ๐Ÿ”น Python Django (Powerful backend systems) ๐Ÿ”น MySQL & MongoDB (Database design & management) ๐Ÿ“‚ Portfolio & Contact: See my work in action: naderhosny.com Letโ€™s craft your next big project together! ๐Ÿš€ ๐Ÿ” SEO Keywords: Mobile app development, web development, CRM solutions, Angular developer, ASP.NET Core expert, Node.js developer, Python Django developer, full-stack development, third-party API integrations, database design, software architecture, solutions architect, scalable web applications, secure web solutions, dynamic web applications, robust backend systems, efficient server-side applications, startup experience, tech innovations, digital transformation, portfolio, experienced developer, professional coder, freelance developer, Upwork developer, tech wizard, digital marvels, secure solutions, scalable applications, robust architectures, tech visions, software solutions, industry expert, software engineer.

  • App Development
  • Full-Stack Development
  • Database Design
  • API
  • Web Development
  • ASP.NET Core
  • Angular
  • Mobile App Development
  • CRM Software
  • Web Design
  • UX & UI
  • UI/UX Prototyping
  • iOS
  • Android
  • Ionic Framework
Favour E.

Wilmington, Delaware

$20/hr
4.9
19 jobs

Want to build a mobile app that actually ships on time, on budget, and engineered to last? ๐Ÿ“Œ 20+ Successfully Delivered Projects in Mobile App Development and Product Development ๐Ÿ’ช Over 5 years of experience in Android, iOS Development, and Web Development โœ… 100% Job Success | Rated 5.0 by 15+ Clients โญ๏ธ Iโ€™m Favour Etunwoke, a Top Rated Upwork mobile, web, and automation engineer helping startups, founders, coaches, consultants, and service businesses build production-ready apps, web platforms, APIs, CRM systems, and workflow automations. I specialise in Flutter, React Native, React, Firebase, API integrations, n8n, GoHighLevel, Zapier, and AI-powered automation. My focus is straightforward: to build reliable digital products and business systems that help clients save time, enhance operations, and launch more efficiently. Core Expertise โœ… Flutter & Dart Cross-platform iOS & Android apps โœ… React.js / Next.js: High-performance web applications โœ… Node.js / REST APIs: Backend architecture & data flow โœ… App Store & Play Store Publishing: Compliance, ASO, metadata optimisation โœ… Authentication & Security: Firebase, AWS Cognito, GDPR-compliant systems โœ… AI & Image Recognition: OCR, ChatGPT, and third-party API integrations โœ… Debugging & Performance Tuning: Crash-free launches, smooth UX Track Record โœ… Led engineering teams of 8+ devs, shipping complex fintech and e-commerce platforms on time โœ… Architected systems handling 2000+ concurrent users with zero downtime โœ… Published production apps with ASO strategies that boosted organic rankings and discoverability โœ… Integrated advanced APIs (Solana blockchain, ChatGPT, inventory systems) for secure, real-time data โœ… Delivered Flutter apps with 90% code reuse, achieving native-like performance across iOS & Android Why clients work with me: โ€ข Top Rated on Upwork with 100% Job Success โ€ข 4.9-star client rating across completed projects โ€ข Experience building apps and platforms used by real users โ€ข Strong understanding of both product engineering and business automation โ€ข Clear communication, structured delivery, and practical technical decisions โ€ข Ability to handle frontend, backend, APIs, deployment, and automation workflows What You Get โœ… A mobile app built to scale, not just launch โœ… ASO-optimised App Store listings that rank higher and drive downloads โœ… Daily progress updates (Slack/email) so you're never left guessing โœ… Clean, maintainable code your future team can work with โœ… Launch-ready apps with security audits, crash-free performance, and full compliance I take on a limited number of projects at a time to give every client my full focus. If you're building something real and need a senior engineer who can own it from end to end, let's talk. Send me a message with your project idea, and I'll give you a straight assessment within 24 hours. Mobile App Development | Mobile Application Developer | Flutter App Developer | Flutter Developer | Flutter & Supabase | Flutter & Dart | Flutter Stack Development | Cross-Platform Mobile Development | iOS App Development | Android App Development | React Native Developer | React Native App Development | Native Mobile Apps | Swift | SwiftUI | Kotlin | SDK Development | Apple HealthKit | Apple Watch Application Development | Android Smartphone Apps | UI/UX Design | App Design | Responsive App UI | Figma to App | Pixel-Perfect Flutter UI | API Integration | REST API Development | GraphQL | Database Architecture | Backend Integration | Laravel + Flutter | Supabase + Flutter | Node.js | Full Stack Development | Web App + Mobile App Integration | SaaS App Development | App Marketplace Development | Social Media App Development | Dating App Development | On-Demand App Development | Food Delivery Application Development | Travel App Development | EdTech Platform Development | Enterprise App Development | QA Testing | Manual Testing | Automated Testing | App Debugging & Optimization | Version Control (Git/GitHub) | Mobile App Maintenance | Website Maintenance | SEO | App Store Optimization (ASO) | App Ranking Optimization | App Store & Play Store Submission | Localization & Multilingual Apps | HIPAA Compliance | Secure Authentication | Business Applications Development | API Development | ChatGPT API Integration | ChatGPT Prompts | AI-Powered Apps | AI Speech-to-Text | AI Text-to-Image | AI App Development | AI Marketplace | Artificial Intelligence | Machine Learning Integrations | Health Coaching Apps | Nutrition Tracker Apps | Blockchain Development | Solana | NFT Marketplace Development | Web3 Applications | Copyright & IP Management | Finance & Banking Applications | Asset Management Systems | SaaS Startups | MVP Development | Startup Company Solutions | Enterprise Software Development | Sports Apps | Health & Fitness Apps | Transportation Apps | eCommerce Mobile App | Social Networking Service | Social Networking Development | UI/UX Strategy | HTML | CSS | Firebase | AWS | Supabase | App Performance

  • App Development
  • Mobile App
  • Mobile App Development
  • AI Mobile App Development
  • Flutter
  • Web Development
  • JavaScript
  • Mobile App Design
  • Android
  • Node.js
  • Smartphone
  • React Native
  • Kotlin
  • Swift
  • User Profile Creation
  • Hybrid App Development
  • AI App Development
  • Native App
  • Web Design
  • Web Development Consultation
Harish K.

Mohali, India

$18/hr
4.4
356 jobs

I am a Full Stack Web & Mobile App Developer with expertise in Web Development, iOS & Android App Development (Top 3%), maintaining 100% Client Satisfaction on Upwork and successfully delivering hundreds of projects across industries. I am a Top-Rated Plus Mobile App Developer specializing in Flutter, React Native, iOS (Swift), Android (Kotlin) and Full-Stack Application Development. I build AI-powered mobile apps, real-time video streaming platforms, SaaS products, MVPs and on-demand service applications with scalable backend architectures using Node.js, NestJS, Laravel and Firebase. I have had the opportunity to work with numerous startups, scale-ups and enterprises, helping them design, develop, launch and scale high-performance mobile and web applications that work flawlessly across devices. โœ… I Can Help You With: - Mobile App Development with Web Admin Panel - MVP Development & SaaS Application Development - API Development & Third-Party Integrations - Node.js / NestJS Backend for Mobile & Web Apps - Laravel / PHP Backend Development - Firebase Integration (Auth, Firestore, Cloud Functions) - Payment Gateway Integration (Stripe, Razorpay, PayPal) - Real-Time Chat, Notifications & WebSocket Integration ๐Ÿ’ก Having Expertise In: - AI-Powered Mobile Applications - Real-Time Video Streaming Apps - Live Streaming & Video Sharing Platforms - E-Learning & EdTech Applications - E-Commerce & Marketplace Apps - On-Demand Service Apps (Taxi, Food, Delivery, Booking) - Chat & Social Networking Apps - SaaS & Subscription-Based Platforms - Gamified Mobile Applications - AR/VR Mobile App Development - IoT & BLE-Based Mobile Applications ๐ŸŽฏKey Milestones: ๐Ÿš€ Rewarded as ๐Ÿ† ๐—ง๐—ข๐—ฃ ๐—ฅ๐—”๐—ง๐—˜๐—— ๐—ฃ๐—Ÿ๐—จ๐—ฆ ๐Ÿ† by Upwork (๐—ง๐—ผ๐—ฝ ๐Ÿฏ%) ๐Ÿš€ 7000+ personal hours on Upwork and still counting ๐Ÿš€ 100000+ agency hours on Upwork and still counting ๐Ÿš€ 100% Job Success (Client Satisfaction Ratio) ๐Ÿš€ 500+ jobs completed successfully as an Agency ๐ŸŽฏ Checkout my portfolio of apps on Upwork: Over the past decade, I have honed my skills in developing a diverse array of iPhone and Android applications Development โœ… Health and Fitness Apps โœ… GPS/ Geo Location Apps โœ… Trade Apps โœ… Homeowner/Contractor App โœ… Artificial Intelligence based Apps โœ… Bluetooth / BLE Integration Apps โœ… Food Delivery Apps โœ… Nutrition Planning Apps โœ… Restaurant Search Apps โœ… Salon Booking Apps โœ… Gym Booking Apps โœ… Taxi Apps โœ… AI Powered Apps โœ… E-commerce Apps โœ… Dating and TikTok Style Apps โœ… Video Streaming, Voice Calling, Chat and Messaging Apps โœ… Real Estate Apps โœ… Driver Instructor Finding Application โœ… Hotel and Travel Booking Apps โœ… E-Learning Mobile Application โœ… Wellness & Meditation Application โœ… NDI's Industry Applications ๐ŸŽฏ Areas of Expertise โ—‰ Mobile App Development: Swift, Objective C, Kotlin, Java, Jetpack โ—‰ Cross-Platform App Development: Flutter (Dart), React Native โ—‰ Backend Development: Node JS, Nest JS, Laravel, PHP, Express โ—‰ Frontend Development: React JS, Next JS, Angular, HTML5, CSS3 โ—‰ API Development & Integrations: REST APIs, AWS Lambda, API Gateway โ—‰ Databases & Cloud Storage: MySQL, MongoDB, Firebase, DynamoDB โ—‰ Real-Time App Features: Socket IO, Firebase Real Time Database, Twilio โ—‰ Payment Gateway Integration: Stripe, Razorpay, PayPal, Braintree โ—‰ Maps & Location Services: Google Maps, Apple Map Kit, GPS Tracking โ—‰ Version Control & Collaboration: GitHub, Bitbucket, GitLab I specialize in no-code/low-code development and AI integrations, allowing you to launch faster while keeping costs low without compromising quality. Additional Services that i am offering: - 6 Months Free Maintenance once the apps goes live on apple store and Google play store - Ownership/iP rights from the day one uploaded on the Client Github - Regular Updates & Scrum meetings. - Following Agile Scrum Methodology from day one - Strictly adhering to the Apple Guidelines and Google Guidelines. - Taking Complete responsibility of Deployment on both Apple store and Google Play store. I specialize in no-code/low-code development and AI integrations, allowing you to launch faster while keeping costs low without compromising quality. I work with tools like Bubble, FlutterFlow, Webflow and integrate powerful AI solutions using Claude, GPT and OpenAI APIs to build smart, automated systems. ๐Ÿ”น What I Do - Full Stack Web & Mobile App Development - No-Code / Low-Code Development (Bubble, FlutterFlow, Webflow) - AI App Development & Integration (Claude AI, GPT-4/5, OpenAI API, Chatbots, Automation) - SaaS Application Development (Subscription Models, Multi-Tenant Systems) - API Integration (Payment gateways, third-party services) - Dashboard & Admin Panel Development - Workflow Automation (Zapier, Make, AI Automation Systems)) - UI/UX Design (Figma) ๐Ÿ‘‰ Letโ€™s start with a FREE 15โ€“30 minute consultation to discuss your project and define the best approach. Contact us today to discuss your projectย requirements.

  • Mobile App
  • Flutter
  • iOS Development
  • Smartphone
  • User Profile Creation
  • Android App Development
  • iOS
  • Mobile App Development
  • Chat & Messaging Software
  • User Authentication
  • Hybrid App Development
  • In-App Purchases
  • React Native
  • Android
  • JavaScript
  • API Integration
  • Web Development
  • iPad App Development
  • API
  • iPhone
Akash T.

South San Francisco, California

$80/hr
5.0
66 jobs

โœ… TOP RATED PLUS EXPERT (top 1% of performers on Upwork), specializing in mobile native and hybrid apps. (iOS, Android, React Native) โœ… 10+ years of experience building mobile software for clients like Apple, Facebook and more, I am the developer who will complete your project with the highest quality and satisfaction within the agreed upon timeframe. Developing good rapport with excellent communication is important to me and I guarantee 100% satisfaction!

  • React Native
  • Swift
  • Mobile App Development
  • User Experience Strategy
  • Webflow
  • iOS Development
  • Flutter
  • Objective-C
  • Mobile UI Design
  • Apple Xcode
  • UI/UX Prototyping
  • UX Research
  • Web Application
  • UX & UI
  • Interactive Design

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Don't just take our word for it

What does an app Development consultant do?

An app development consultant guides the entire lifecycle of a mobile or desktop application from initial concept to final launch. This role blends strategic planning with hands-on technical execution to build software that meets specific user needs. The consultant translates business goals into functional digital products by managing design, coding, and quality assurance processes. They act as both an advisor and a builder to ensure the final application performs reliably across target devices.

  • Gather discovery information about the target audience and competitors to inform the core app concept. This research phase defines the project scope and identifies key features that differentiate the product in the market. The consultant uses these insights to create a clear vision for the application before writing any code.
  • Create wireframes and define the user experience flow to establish a content blueprint for the app. These visual guides map out how users navigate between screens and interact with various elements. The consultant produces UI prototypes through front-end development and supporting back-end work to demonstrate the intended look and feel.
  • Perform user, unit, and integration testing to identify security vulnerabilities, bugs, and performance issues. This rigorous evaluation ensures the application runs smoothly and handles data securely under real-world conditions. The consultant fixes identified problems and optimizes the code to meet high standards for speed and reliability before release.
  • Create and maintain technical specification documents and roadmaps that outline deadlines and requirements. These living documents track progress and keep all stakeholders aligned on project milestones and deliverables. The consultant updates these specs as the project evolves to reflect changes in scope or technical constraints.

How to hire an app Development consultant on Upwork

Step 1: Post a job

Define your project needs clearly to attract qualified consultants. Use the Job Post Generator powered by Umaโ„ข, Upwork's Mindful AI to draft a precise description in seconds. Describe your app concept in a few sentences, and Uma creates a structured post for you. You can write a new post, update a saved draft, or reuse an existing one.

  • Specify whether you need discovery work, wireframing, or full-stack coding for mobile or desktop platforms.
  • List required deliverables such as technical specs, UI prototypes, or test results to set clear expectations.
  • Include your budget range of $19-$35/hr to align with typical rates for this expertise.

Step 2: Evaluate candidates

Review portfolios for evidence of end-to-end app creation. Look for wireframes that map user flows and prototypes that demonstrate front-end skill. Uma runs instant video interviews and builds shortlists with side-by-side comparisons to speed up your search.

  • Check for technical spec documents that show how the consultant plans roadmaps and deadlines.
  • Verify experience with user, unit, and integration testing to confirm quality assurance practices.
  • Assess previous launch submissions to see if the consultant understands approval processes.

Step 3: Interview your top choices

Discuss their approach to gathering audience and competitor data during discovery. Schedule these conversations within Upwork Messages, which generates an immediate transcript and summary after each session.

  • Ask how they translate business requirements into UX blueprints and content structures.
  • Request examples of back-end work that supports complex UI prototypes.
  • Clarify their method for identifying bugs and performance issues before launch.

Step 4: Agree on scope and begin work

Set milestones for wireframes, coding, and testing phases. Use Upwork Messages and the contract workroom to share assets and track progress securely. Identity verification, hourly tracking, and project funds protect both parties throughout the engagement.

  • Define specific deadlines for delivering technical specs and app roadmaps.
  • Establish criteria for accepting UI prototypes and completing integration tests.
  • Agree on the final launch submission process and review steps.

Upwork is not affiliated with and does not sponsor or endorse any of the tools or services discussed in this article. These tools and services are provided only as potential options, and each reader and company should take the time needed to adequately analyze and determine the tools or services that would best fit their specific needs and situation.

The rates and information provided in this article are based on current data and industry sources available at the time of publication. Freelance rates can vary depending on factors such as experience, location, project scope, and market conditions. Readers are encouraged to conduct their own research to confirm current rates and trends, as this information may change over time.

How much does hiring an app Development consultant cost?

Hiring an app Development consultant typically costs $800-$2,500 per project, depending on scope and experience. Final pricing depends on technical complexity, required integrations, source-material quality, revision needs, and the freelancer's experience level.

Discovery and requirements

$800-$1,500/project

Entry-level to mid-level
  • Research on target users and competitors
  • Documented app concept and core features
  • High-level timeline and milestone plan

UX wireframing

$1,500-$3,000/project

Mid-level
  • Structured layout of app information architecture
  • Visual maps of user navigation paths
  • Low-fidelity screens for key app views

UI prototyping

$3,000-$5,500/project

Mid-level to senior-level
  • Clickable mockups demonstrating UI behavior
  • Initial coding for visual interface components
  • Detailed style guide and asset handoff notes

Testing and validation

$5,500-$8,000/project

Senior-level
  • Results from user, unit, and integration tests
  • Record of identified issues and fixes applied
  • Data on app speed, security, and stability

Launch preparation

$8,000-$12,000/project

Expert-level
  • Complete documentation of system architecture
  • Updated schedule with deadlines and requirements
  • Compiled assets for store review and approval

Frequently asked questions

Is hiring an app Development consultant worth it?

For most businesses, yes: hiring an app Development consultant is worthwhile. This specialist guides the entire lifecycle from initial discovery to launch planning, which reduces the risk of building features users do not need. You gain a structured roadmap and tested prototypes before committing to full-scale engineering.

How do I evaluate app Development consultant candidates?

Review their technical spec documents and wireframes to see how they translate business goals into user flows. A strong candidate submits clear UI prototypes alongside test results that cover security and performance metrics.

What deliverables should I expect from an app Development consultant?

You should receive a technical spec document with a roadmap, wireframes for the UX flow, and functional UI prototypes. The consultant also submits test results and prepares the app for launch review.

How does an app Development consultant handle testing?

The consultant performs user, unit, and integration testing to identify bugs and verify performance. This process ensures the app meets security standards before you submit it for approval.