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Jagwinder Singh
@jag_iapp
Vetted Pro
Level 2
Expert Professional of AI Mobile App Developer and Web Development
India
Engels, Hindi, Punjabi
Gescreend door Fiverr Pro
Jagwinder Singh is geselecteerd door het team van Fiverr Pro vanwege diens expertise.
Gescreend voor
Mobiele app ontwikkeling
Over mij
I’ve been building SaaS, mobile and web applications for 14+ years of experience and 200+ apps delivered.
I help startups and businesses turn ideas, Figma designs, existing apps, or rough concepts into scalable products from MVP to production.
What I do:
• AI-powered apps & LLM integrations
• Flutter & React Native
• iOS & Android development
• SaaS & marketplace platforms
• Backend/API development
• App optimization & scaling
Tech Stack: Flutter, React Native, Kotlin, Swift, iOS, Android, React, Next.js, Node.js, Python, OpenAI, LLMs, chatbots & third-party APIs.
Feel free to message me.
Skills
Jagwinder Singh
US$ 15/uur
offline •
Gemiddelde reactietijd: 1 uur
Bekijk mijn diensten
Van website naar app
I will convert your website into an ios, android app or pwa
Platformonafhankelijke development
I will develop your hybrid react native mobile app for ios and android
Wil je op uurbasis werken?
Vertel Jagwinder Singh wat je nodig hebt.
US$ 15
/
uurPortfolio
Werkervaring
Senior Software Engineer
Iapp Technologies LLP • Fulltime
Feb 2010 - Present • 16 yrs 9 mos
Expertise in designing and developing 200+ mobile apps, web applications, SaaS platforms, and custom software for startups, entrepreneurs, and businesses. I turn ideas and business requirements into scalable, production-ready products with clean architecture, high performance, responsive UI/UX, and secure integrations. My Skills & Expertise: Mobile: Flutter, React Native, Swift, Kotlin, Cross-Platform, WebView Web & SaaS: React.js, Next.js, Vue.js, Nuxt.js, Tailwind CSS, PWA Backend & APIs: Node.js, Express.js, Nest.js, PHP, Laravel, Python, REST APIs AI & Automation: OpenAI, GPT, Gemini, DeepSeek, LangChain, AI Agents, Chatbots, NLP, Computer Vision, AI Automation CMS & eCommerce: WordPress, Shopify, WooCommerce, Custom eCommerce Additional Tech Expertise: -- Startup & SaaS: MVPs, SaaS Platforms, Business Apps, Admin Dashboards, Subscriptions -- AI Products: AI Chatbots, Agents, Automation, OpenAI/Gemini/DeepSeek, RAG, Intelligent Workflows -- Mobile: Push Notifications, AdMob, In-A pp Purchases, Deep Linking, WebViewGold, App Store & Google Play -- UI/UX: Figma, Adobe XD, Wireframing, Prototyping, Responsive UI, AI-Assisted Design -- Integrations: Google Maps, Poyment & Social APIs, REST APIs, Firebase, Authentication, Cloud Services -- DevOps & Cloud: AWS, Docker, CI/CD, Firebase, Cloud Deployment, Production Optimization
106 Reviews
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tinaejones
Verenigde Staten
Lopende samenwerking
Always great to work with Jag and team! He helped revamp my website and connect my forms to HubSpot. Happy with this work.
Nuttig?
tutluoglu
Turkije
Lopende samenwerking
Working with Jag on our VPN project has been a great experience. His professionalism, technical expertise, and solution-oriented approach met our expectations. He is a reliable, skilled developer with excellent communication. Highly recommended!
Reactie van de freelancer
Nuttig?
nikki_rayy
Verenigde Staten
Lopende samenwerking
Jag completed a thorough audit of my app, reviewed the existing code and functionality, identified bugs and UI/UX issues and provided clear recommendations for what needs to be fixed and improved. The audit was detailed, professional and extremely helpful. I highly recommend him and his team and will continue working with them.
Nuttig?
mitchtamiau_
Hong Kong
Lopende samenwerking
Jag is very highly skilled and knowledgable. Understands what I want and will always communicate and get things done if things needed changes.
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otbtjules
Canada
Jagwinder was very quick to respond with detailed information. He was very easy to work work and I trusted his knowledge.
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