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Hamza U.

Istanbul, Turkey

$25/hr
5.0
2 jobs

๐‹๐จ๐จ๐ค๐ข๐ง๐  for a developer who delivers ๐Ÿ๐š๐ฌ๐ญ without ๐ฌ๐š๐œ๐ซ๐ข๐Ÿ๐ข๐œ๐ข๐ง๐  ๐ช๐ฎ๐š๐ฅ๐ข๐ญ๐ฒ? ๐Ÿš€ I create clean, scalable ๐‘๐ž๐š๐œ๐ญ, ๐๐ž๐ฑ๐ญ.๐ฃ๐ฌ, ๐š๐ง๐ ๐‘๐ž๐š๐œ๐ญ ๐๐š๐ญ๐ข๐ฏ๐ž apps with ๐ฉ๐ข๐ฑ๐ž๐ฅ-๐ฉ๐ž๐ซ๐Ÿ๐ž๐œ๐ญ ๐”๐ˆ and ๐ซ๐ž๐ฅ๐ข๐š๐›๐ฅ๐ž ๐ฉ๐ž๐ซ๐Ÿ๐จ๐ซ๐ฆ๐š๐ง๐œ๐ž. ๐ŸŒ๐Ÿค๐Ÿ“ฑ ๐Ÿ’ป 4+ ๐ฒ๐ž๐š๐ซ๐ฌ of experience in building ๐ฐ๐ž๐› & ๐ฆ๐จ๐›๐ข๐ฅ๐ž ๐š๐ฉ๐ฉ๐ฌ ๐Ÿ”ฅ Passionate about delivering ๐ก๐ข๐ ๐ก-๐ช๐ฎ๐š๐ฅ๐ข๐ญ๐ฒ, ๐œ๐ฅ๐ž๐š๐ง ๐œ๐จ๐๐ž โšก Specialized in: ๐‘๐ž๐š๐œ๐ญ.๐ฃ๐ฌ, ๐๐ž๐ฑ๐ญ.๐ฃ๐ฌ, ๐‘๐ž๐š๐œ๐ญ ๐๐š๐ญ๐ข๐ฏ๐ž ๐Ÿง  ๐€๐ˆ ๐ข๐ง๐ญ๐ž๐ ๐ซ๐š๐ญ๐ข๐จ๐ง with Replicate & Hugging Face APIs ๐Ÿ“ฑ ๐…๐ข๐ซ๐ž๐›๐š๐ฌ๐ž & ๐’๐ฎ๐ฉ๐š๐›๐š๐ฌ๐ž for backend services Hi, I'm Hamza, a ๐…๐ซ๐จ๐ง๐ญ๐ž๐ง๐ ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ with hands-on experience in building ๐ฐ๐ž๐› ๐š๐ง๐ ๐ฆ๐จ๐›๐ข๐ฅ๐ž ๐š๐ฉ๐ฉ๐ฅ๐ข๐œ๐š๐ญ๐ข๐จ๐ง๐ฌ. I specialize in creating modern, responsive user interfaces, integrating ๐‚๐ˆ/๐‚๐ƒ pipelines, and conducting thorough testing to ensure high-quality code. Iโ€™m also experienced in ๐ญ๐ซ๐จ๐ฎ๐›๐ฅ๐ž๐ฌ๐ก๐จ๐จ๐ญ๐ข๐ง๐  ๐›๐ฎ๐ ๐ฌ and integrating ๐€๐ˆ ๐€๐๐ˆ๐ฌ into applications. Currently, I'm working in the fintech sector, delivering innovative solutions for cutting-edge applications. ๐Ÿ‘‹ With 4+ years of frontend development experience, I create dynamic, responsive user interfaces for both web and mobile. ๐Ÿš€ Skilled in integrating AI solutions, I enhance applications with advanced features, providing innovative and efficient results. โฑ๏ธ I deliver projects on time, ensuring smooth workflows and meeting deadlines without compromising quality. ๐Ÿ˜Š Customer satisfaction is my priority, with clear communication and a focus on your needs throughout the project. -๐’๐Š๐ˆ๐‹๐‹๐’ โœจ React.js, Next.js, React Native โšก Redux (Toolkit, Thunk, Persist), Context API ๐ŸŽจ PrimeReact, Tailwind CSS, Material UI, Ant Design, Styled Components ๐ŸŒ HTML, CSS (SASS, SCSS), JavaScript, TypeScript โš™๏ธ Firebase, Supabase ๐Ÿ” Git, GitHub, CI/CD ๐Ÿณ Docker, Jenkins ๐Ÿ“ก REST APIs, Google Cloud Platform APIs ๐Ÿงช Jest, React Testing Library ๐Ÿง  AI API Integrations (Replicate, Hugging Face) ๐Ÿ“Š Google Analytics ๐ŸŒ i18n (Internationalization and Localization) -๐‡๐จ๐ฐ ๐ˆ ๐‚๐š๐ง ๐‡๐ž๐ฅ๐ฉ ๐˜๐จ๐ฎ: ๐Ÿš€ ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ ๐ฆ๐จ๐๐ž๐ซ๐ง ๐ฐ๐ž๐› ๐š๐ง๐ ๐ฆ๐จ๐›๐ข๐ฅ๐ž ๐š๐ฉ๐ฉ๐ฌ using React, Next.js, and React Native ๐Ÿ’ป ๐๐ฎ๐ข๐ฅ๐ ๐ซ๐ž๐ฌ๐ฉ๐จ๐ง๐ฌ๐ข๐ฏ๐ž, adaptive websites optimized for all devices ๐Ÿ”‘ ๐ˆ๐ง๐ญ๐ž๐ ๐ซ๐š๐ญ๐ž ๐€๐ˆ ๐ฆ๐จ๐๐ž๐ฅ๐ฌ for intelligent app features ๐ŸŽจ ๐‚๐ซ๐š๐Ÿ๐ญ ๐ฉ๐ข๐ฑ๐ž๐ฅ-๐ฉ๐ž๐ซ๐Ÿ๐ž๐œ๐ญ ๐”๐ˆ๐ฌ with a focus on design consistency ๐Ÿ”’ ๐ˆ๐ฆ๐ฉ๐ฅ๐ž๐ฆ๐ž๐ง๐ญ ๐ฌ๐ž๐œ๐ฎ๐ซ๐ž ๐š๐ฉ๐ฉ๐ฌ following best practices ๐Ÿ“ˆ ๐Ž๐ฉ๐ญ๐ข๐ฆ๐ข๐ณ๐ž ๐ฉ๐ž๐ซ๐Ÿ๐จ๐ซ๐ฆ๐š๐ง๐œ๐ž with testing and monitoring ๐ŸŒ ๐ˆ๐ง๐ญ๐ž๐ซ๐ง๐š๐ญ๐ข๐จ๐ง๐š๐ฅ๐ข๐ณ๐ž your applications for global reach โš™๏ธ ๐’๐ญ๐ซ๐ž๐š๐ฆ๐ฅ๐ข๐ง๐ž ๐‚๐ˆ/๐‚๐ƒ ๐ฉ๐ซ๐จ๐œ๐ž๐ฌ๐ฌ๐ž๐ฌ with GitHub, Jenkins, and Docker If you're looking for a passionate Frontend Developer to bring your ideas to life, letโ€™s collaborate and build something amazing together ๐Ÿ’ก Feel free to reach out โ€“ I'm just a message away ๐Ÿ’ฌ

  • Mobile Web
  • Web Application
  • Front-End Development
  • Web Development
  • Mobile App
  • React Native
  • Next.js
  • React
  • Mobile Development Framework
  • JavaScript
  • TypeScript
  • Firebase
  • Web Design
  • Web & Mobile Design Consultation
  • Mobile App Bug Fix
Vipin K.

Zirakpur, India

$30/hr
5.0
81 jobs

I am a software architect and mobile app developer with 10+ years of experience building digital products across mobile, web, and ecommerce. I lead a team of developers at Sookshum Labs, a Top Rated Upwork agency with 7,400+ hours delivered and 100% average Job Success Score. My primary expertise is Flutter mobile app development โ€” I architect and deliver cross-platform iOS and Android apps for startups, growing businesses, and enterprise clients. I also have deep full-stack experience across ecommerce platforms (Magento 2, Shopify) and modern web technologies (React, Next.js, Node.js). What I bring to your project: โ€ข 10+ years of hands-on architecture and development experience โ€ข A dedicated team that can handle mobile, web, ecommerce, and design under one roof โ€ข 100% Job Success Score with a track record of long-term client partnerships โ€ข Clear communication, daily progress updates, and on-time delivery Whether you need a Flutter app built from scratch, a Magento store optimized, or a full product brought from idea to launch, I can match the right expertise to your project. Send me your project brief and I will respond within 2 hours with a tailored assessment.

  • Flutter
  • Mobile App Development
  • Full-Stack Development
  • Magento 2
  • Shopify
  • React
  • Node.js
  • iOS Development
  • Android App Development
  • Firebase
  • REST API
  • AI Development
  • API Development
  • Web Application Development
  • AI Agent Development
Happiness O.

Abuja, Nigeria

$10/hr
4.9
19 jobs

A results-driven QA Engineer helping SaaS startups, AI tools, and fintech platforms deliver bug-free, high-performing apps that users trust. If youโ€™ve ever shipped a feature only to find bugs right after release, this is where my testing process steps in. Recently, a crypto trading firm reduced production issues by 38% after implementing my mix of manual and automated testing, resulting in faster releases and happier users. With over 3 years of QA experience, I test web, mobile, and API systems across real devices, browsers, and environments using tools like Playwright, Cypress, Selenium, and Postman. โš™๏ธ What I Can Help You With โœ… Manual Testing โ€ข Functional, UI/UX, Regression, Integration & UAT Testing โ€ข Real-device testing for Android & iOS โ€ข Pixel-perfect design validation (Figma + Chrome DevTools) โ€ข Detailed bug tracking and reporting (Jira, Trello, GitHub Issues) โœ… Automation Testing โ€ข Tools: Playwright, Cypress, Selenium, Appium โ€ข Frameworks: Pytest, TestNG, JUnit โ€ข CI/CD Integration: GitHub Actions, GitLab, Jenkins โ€ข Automating key flows: login, SSO, payments, and edge cases โœ… API & Performance Testing โ€ข Tools: Postman, Swagger, RestAssured, JMeter โ€ข API authentication, error handling, and edge case testing โ€ข Load and performance testing for high-traffic systems Why Clients Trust Me: โญ Tests with a user-first mindset, empathy + precision โญ Reports bugs clearly and visually โ€” screenshots, Loom videos, logs, timestamps โญ Think like a developer โ€” not just a tester โญ Adapts quickly to new stacks, tools, and workflows โญ Understands Agile, DevOps, and Sprint QA environments โœ”๏ธ Tools & Environments Playwright โ€ข Cypress โ€ข Selenium โ€ข Postman โ€ข TestRail โ€ข Jira โ€ข Trello โ€ข GitHub โ€ข BrowserStack โ€ข JMeter โ€ข BlazeMeter โ€ข Appium โ€ข Figma โ€ข DevTools โ€ข Agile/Scrum โ€ข Zephyr ๐Ÿ“ฉ Letโ€™s make your app stable, secure, and user-loved. Click Invite to Job or send a message โ€” fast response, thorough testing guaranteed.

  • Software QA
  • Manual Testing
  • Automated Testing
  • Functional Testing
  • Performance Testing
  • Web Testing
  • Mobile App Testing
  • Usability Testing
  • Bug Tracking & Reports
  • Test Case Design
  • Test Design
  • Jira
  • Regression Testing
  • Agile Project Management
  • API Testing
  • Smoke Testing
  • ClickUp
Robiul I.

Jessore, Bangladesh

$10/hr
4.4
45 jobs

Struggling with Google Playโ€™s new 12-tester requirement, 14-day compliance, or Production Access rejections? I am a Senior Mobile & Web QA Specialist with 8+ years of experience and 100+ successfully published apps since 2016. I help developers pass the mandatory closed testing cycle safely using real devices, active daily engagement, and full Play Console policy compliance. I provide an end-to-end solution for developers and businesses, covering technical QA, store compliance, publishing, and growth support. ๐Ÿ“ˆ My Core Services & Expertise โœ… Google Play Console & App Store Management โœ… Full management of the mandatory 14-day closed testing cycle with 12 or 20 android testers. โœ… Coordination of real testers on real devices (100% compliant, no bots) โœ… Expert app submission, metadata setup, and policy compliance auditing โœ… Resolving Production Access rejections and other store policy issues ๐Ÿ’Ž Comprehensive QA Testing (Mobile, Web & Shopify) โœ… Mobile & Game Testing: Functional, UI/UX, and performance audits on real devices โœ… Web & Web App QA: Cross-browser testing, responsiveness checks, and bug tracking โœ… Shopify Specialist: Installation, flow testing, and QA for Shopify apps on my own store ๐Ÿ’Ž App Store Optimization (ASO) & Ranking โœ… Data-driven keyword research to boost organic visibility โœ… Optimization of Title, Descriptions, and conversion elements to increase installs โœ… Competitor analysis to help your app rank higher in search results ๐Ÿ’Ž Technical Support & Bug Fixing โœ… In-depth bug reporting with screenshots and video recordings โœ… Identifying and fixing deployment issues directly within Android Studio โœ… Performance improvements for a stable and reliable user experience ๐Ÿ’Ž Why Work With Me? โœ… 8+ Years Experience: Navigated every major store policy update since 2016 โœ… 100+ Apps Live: Proven success in taking apps from development to "Live" status โœ… Real Device Testing: Physical hardware ensures account safety and reliability โœ… One-Stop Expert: I test, fix, publish, and grow your app downloads Stop losing weeks to rejections and bugs. Letโ€™s get your project live and successful! ๐Ÿ‘‰ Click "Invite to Job" to discuss your project and launch with confidence.

  • Android App Development
  • Mobile App Development
  • Mobile App Testing
  • Google Play
  • Android Studio
  • Shopify
  • App Store Optimization
  • QA Testing
  • Shopify Apps
  • App Usability Analysis
  • App Store
  • Mobile App
  • Game Testing
  • Beta Testing
  • Alpha Testing
Fawad A.

Dallas, Texas

$20/hr
4.4
56 jobs

Hi, Iโ€™m Fawad ๐Ÿ‘‹ โ€” a dedicated QA & Product Testing professional with 6+ years of experience helping startups, app developers, and e-commerce brands deliver bug-free, user-friendly products. I go beyond surface testing โ€” I think like your end user. My feedback is always practical, honest, and actionable, so you can fix issues fast and launch with confidence. โœ… What I Offer: Manual Testing (iOS, Android, Desktop & Web, Window, Mac) Product Testing (apps, websites, e-commerce, physical products) Bug Reports with screenshots & screen recordings UX/UI Analysis & Usability Feedback Unboxing & First-Impression Testing Fast Turnaround & Clear Communication (NDA-friendly) ๐Ÿง  Why Clients Hire Me: 6+ years experience across mobile, web, and physical product testing Structured, detailed reports with real solutions A tester who acts like your most demanding user โ€” ensuring nothing slips through the cracks Whether youโ€™re launching an MVP, a new feature, or a physical product, Iโ€™ll test it thoroughly so your users enjoy a smooth, frustration-free experience. ๐Ÿ“ฉ Letโ€™s make sure your app or product is ready for the market!

  • Testing
  • Product Testing
  • Mobile App Testing
  • QA Testing
  • Mobile QA
  • Mobile App
  • Product Review
  • Product Video
  • Amazon
  • Screen Recording
  • iOS
  • Android
  • Review or Feedback Collection
  • Application Review & Optimization
  • Screenshot & Screen Recording Software
  • UGC
  • Pashto
  • Persian
Mohan R.

Jaipur, India

$9/hr
5.0
47 jobs

Hi, Iโ€™m Mohan, a Full Stack Developer with 10+ years of experience building scalable web platforms, mobile apps, SaaS products, AI powered systems, and eCommerce solutions. I help startups, agencies, and businesses turn ideas into high performance digital products with clean UI, strong backend architecture, and scalable deployment. What I Can Build โœ… Web Applications React.js, Next.js, Vue.js, Angular.js, Node.js, Express.js, Django, Laravel โœ… Mobile Applications React Native, Flutter, Swift, Kotlin for Android & iOS apps โœ… eCommerce Development Shopify, WooCommerce, WordPress, Magento, Wix, Framer, custom stores โœ… UI/UX Design Figma, Adobe XD, wireframes, prototypes, responsive UI systems โœ… Backend & APIs REST APIs, GraphQL, Firebase, Supabase, MongoDB, PostgreSQL, MySQL โœ… AI & Automation AI Agents, OpenAI integrations, LLM apps, chatbot systems, workflow automation โœ… Cloud & DevOps AWS, Docker, CI/CD, Vercel, DigitalOcean, GitHub, deployment optimization Industries Iโ€™ve Worked With โ€ข ECommerce โ€ข Healthcare & Telemedicine โ€ข Food Delivery โ€ข Education & LMS โ€ข Travel & Booking Platforms โ€ข Real Estate โ€ข FinTech โ€ข SaaS Platforms Why Clients Work With Me โœ… End to end development support โœ… Fast communication and regular updates โœ… Clean, scalable, maintainable code โœ… Mobile responsive and SEO friendly development โœ… Long term support and maintenance โœ… Focus on performance, UX, and business growth I can help with: โ€ข SaaS platforms โ€ข Booking systems โ€ข Marketplace apps โ€ข AI powered applications โ€ข Shopify stores โ€ข Mobile apps โ€ข Admin dashboards โ€ข CRM systems โ€ข API integrations โ€ข MVP development Tech Stack: Frontend: React.js, Next.js, Vue.js, Angular, HTML5, CSS3, Tailwind CSS, Bootstrap Backend: Node.js, Express.js, Django, Laravel, FastAPI Mobile: React Native, Flutter, Swift, Kotlin Database: MongoDB, PostgreSQL, MySQL, Firebase Tools: Git, Docker, Figma, Postman, Jira, CI/CD Letโ€™s build something valuable together. Send me a message and letโ€™s discuss your project.

  • Web Application
  • Hybrid App Development
  • Mobile App Development
  • Node.js
  • Laravel
  • React
  • PHP
  • MySQL
  • Web Design
  • WordPress
  • Mobile App
  • React Native
  • Flutter
  • AI Builder
  • Swift
  • Kotlin

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