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It all started with a startup founder who had an amazing idea but no clue how to bring it to life. They needed more than just a developer; they needed a partner who understood business, user experience, and scalability. And that's when they Reach Me.
I started my journey developing iOS apps using Swift and SwiftUI, working on projects like 𝙅𝙞𝙤 𝙏𝙧𝙖𝙣𝙨𝙡𝙖𝙩𝙚, where I gained hands-on experience in building high-performance applications. As my expertise grew, I expanded into Android development with Java and Kotlin, mastering both platforms before diving into Flutter for cross-platform development.
Now, you know who I am and what I can do, but let me share some industries I’ve worked with so you can see if yours is one of them!
Industries I’ve Worked With:
✔ Fintech mobile app development
✔ Real Estate mobile app development
✔ Social Media mobile app development
✔ Beauty mobile app development
✔ Sports mobile app development
✔ Sustainable mobile app development
✔ Marketplace mobile app development
✔ Game Companion mobile app development
✔ Healthcare and wellness mobile app development
What I Do Best:
✅ iOS Development (Swift & SwiftUI) – Clean, efficient, and native iOS apps.
✅ Android Development (Java & Kotlin) – Smooth and optimized Android experiences.
✅ Flutter App Development – Scalable, cross-platform mobile apps.
✅ UI/UX Optimization – User-friendly designs that drive engagement.
✅ API Integration & Backend (Node.js) – Smooth and efficient app functionality.
✅ App Performance & Scalability – Optimize for speed and reliability.
✅ App Store & Play Store Submission – Hassle-free deployment and updates.
Over the years, I've had the privilege of working with global brands (𝙄𝙣𝙨𝙞𝙜𝙝𝙩 𝙏𝙞𝙢𝙚𝙧 ), startups, and individuals across 12+ countries, bringing their app ideas to life with precision and expertise.
With 120 million+ downloads and apps that users continue to keep on their phones, I know what it takes to deliver high-quality, user-friendly, and scalable apps that stand out in a crowded market.
I love what I do, and I bring that passion to every project. If you need a mobile app developer who cares about your success as much as you do, let’s chat.
👉 Book a consultation today, and let’s bring your app to life!
$40/hr
100%
Job Success
$80K+ earned
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🚀 Expert React Native Developer | 10+ Years of Experience
Hi! I'm a Lead React Native Engineer with over 8 years of experience building high-performance, scalable, and user-friendly mobile applications. I specialize in React Native, Expo, and cross-platform development, delivering seamless experiences for iOS and Android.
💡 My Expertise:
✔ React Native & Expo – Efficient, scalable, and optimized mobile/Smart TVOS development
✔ State Management – Redux, Recoil, Zustand, MobX
✔ Navigation & Routing – React Navigation, Expo Router
✔ Backend Integration – REST APIs, GraphQL, Firebase, WebSockets
✔ Monorepo Architecture – pnpm, Turborepo, Yarn Workspaces
✔ Testing & Debugging – Jest, React Native Testing Library, Detox
✔ CI/CD & Deployment – Fastlane, GitHub Actions, EAS, Play Store, App Store
✔ Performance Optimization – Hermes, Skia, Code Splitting, Lazy Loading
🏆 Why Work With Me?
🔹 Proven track record of delivering high-quality apps
🔹 Strong business and technical acumen to drive innovation
🔹 Agile development, clear communication, and on-time delivery
🔹 Passionate about writing clean, maintainable, and scalable code
I'm here to bring your mobile app ideas to life! Let's build something great together. 💡📱
Ankush R.
has worked
.
$15/hr
100%
Job Success
$100K+ earned
Available now
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I’m a 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐚𝐧𝐝 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐰𝐢𝐭𝐡 𝟕+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 building scalable digital products for startups and businesses.
My core expertise lies in developing 𝐨𝐩𝐭𝐢𝐦𝐮𝐦 𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐢𝐧𝐠 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐮𝐬𝐢𝐧𝐠 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐚𝐧𝐝 𝐑𝐞𝐚𝐜𝐭 𝐍𝐚𝐭𝐢𝐯𝐞, along with creating 𝐜𝐮𝐬𝐭𝐨𝐦 𝐰𝐞𝐛𝐬𝐢𝐭𝐞𝐬 𝐚𝐧𝐝 𝐞𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 𝐮𝐬𝐢𝐧𝐠 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 𝐚𝐧𝐝 𝐖𝐨𝐨𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞.
I implement 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐟𝐞𝐚𝐭𝐮𝐫𝐞𝐬 𝐢𝐧 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩𝐬 𝐚𝐧𝐝 𝐰𝐞𝐛𝐬𝐢𝐭𝐞𝐬 to enhance user experience and automate workflows, using 𝐀𝐈-𝐚𝐬𝐬𝐢𝐬𝐭𝐞𝐝 𝐭𝐨𝐨𝐥𝐬 to accelerate development and improve code quality. I follow 𝐦𝐨𝐝𝐞𝐫𝐧 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐩𝐫𝐚𝐜𝐭𝐢𝐜𝐞𝐬 to deliver reliable and scalable solutions.
✅ Core technologies I work with :
🔶 𝐌𝐨𝐛𝐢𝐥𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 ➤ Flutter │ React Native │ Dart │ JavaScript │ TypeScript
🔶 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬 ➤ Firebase │ Supabase │ PostgreSQL │ MySQL │ MariaDB │ Node.js
🔶 𝐂𝐌𝐒 ➤ WordPress │ WooCommerce │ PHP │ Advanced Custom Fields (ACF) │ WP CLI
🔶 𝐀𝐏𝐈 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 ➤ REST API │ GraphQL │ Third-party Services
🔶 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐓𝐨𝐨𝐥𝐬 ➤ Git / GitHub │ Docker │ CI/CD Pipelines
The services I provide include:
════════════════════
✅ For Mobile Apps Development :
🔶 𝐄𝐧𝐝-𝐭𝐨-𝐞𝐧𝐝 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 i.e. planning, architecture, UI development, backend integration, testing, and deployment
🔶 Pixel-perfect 𝐔𝐈 𝐢𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐚𝐭𝐢𝐨𝐧 𝐟𝐫𝐨𝐦 𝐅𝐢𝐠𝐦𝐚, Adobe XD, or Sketch (including design systems and dark mode support)
🔶 𝐌𝐕𝐏 𝐚𝐩𝐩 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭
🔶 𝐀𝐏𝐈 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 (REST, GraphQL, and third-party services such as payments, maps, authentication, analytics, and social logins)
🔶 𝐀𝐩𝐩 𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐨𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧, code refactoring, and bug fixing
🔶 𝐀𝐩𝐩 𝐒𝐭𝐨𝐫𝐞 𝐚𝐧𝐝 𝐆𝐨𝐨𝐠𝐥𝐞 𝐏𝐥𝐚𝐲 𝐝𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭, release management, and crash monitoring setup
🔶 𝐎𝐧𝐠𝐨𝐢𝐧𝐠 𝐦𝐚𝐢𝐧𝐭𝐞𝐧𝐚𝐧𝐜𝐞, feature enhancements, and OS compatibility updates
✅ For Wordpress Development :
🔶 𝐂𝐮𝐬𝐭𝐨𝐦 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 𝐰𝐞𝐛𝐬𝐢𝐭𝐞 development and theme customization
🔶 WordPress 𝐩𝐥𝐮𝐠𝐢𝐧 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 and custom functionality
🔶 𝐖𝐨𝐨𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐬𝐭𝐨𝐫𝐞 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 and advanced store customization
🔶 𝐇𝐞𝐚𝐝𝐥𝐞𝐬𝐬 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 integrations for modern front-end applications
🔶 𝐓𝐡𝐢𝐫𝐝-𝐩𝐚𝐫𝐭𝐲 𝐀𝐏𝐈 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 for payments, shipping, CRM, ERP, and external systems
🔶 𝐖𝐞𝐛𝐬𝐢𝐭𝐞 𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐨𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧 (Core Web Vitals, speed improvements)
🔶 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 & 𝐖𝐨𝐨𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐦𝐚𝐢𝐧𝐭𝐞𝐧𝐚𝐧𝐜𝐞, updates, and security hardening
Feel free to reach out to me. I would be happy to discuss your project in detail.
Neha K.
has worked
.
Associated with
The Brihaspati Infotech Pvt. Ltd.
$10M+
earned
$20/hr
100%
Job Success
$100K+ earned
Available now
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I work with founders and teams as a Full-Stack Developer with 8+ years of experience building 𝗦𝗔𝗔𝗦, 𝗪𝗲𝗯 𝗮𝗻𝗱 𝗠𝗼𝗯𝗶𝗹𝗲 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 𝘄𝗶𝘁𝗵 𝗔𝗜 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 end-to-end using tech stack MEAN and MERN. I specialize in delivering fast, secure, and scalable applications tailored for enterprise and consumer use.
𝗖𝗼𝗿𝗲 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 & 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲:
𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱:
React, React Native, Angular 2+, JavaScript/TypeScript, jQuery
Pixel-perfect UI, responsive design, component-based architecture
𝗕𝗮𝗰𝗸𝗲𝗻𝗱:
Node.js, Express.js, Sails.js
PHP (Laravel, CakePHP, MVC architecture)
RESTful APIs, microservices, real-time systems
𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀:
MongoDB, MySQL, PostgreSQL, Cassandra, GraphDB
𝗖𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀:
AWS (EC2, S3, SES, SNS, DynamoDB, CloudFront, Load Balancing)
Swagger API documentation
CI/CD with Git, Bitbucket, SVN
3rd-Party Integrations:
Google, Facebook, Twitter APIs
Twilio, Plivo, chat integrations
Payment gateways (e.g. Stripe, PayPal), marketing tools
𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 & 𝗠𝗲𝘁𝗵𝗼𝗱𝗼𝗹𝗼𝗴𝘆:
I build modern solutions aligned with Fifth-Architecture principles (SMAC – Social, Mobile, Analytics, Cloud) ideal for businesses requiring secure, scalable, and analytics-rich platforms.
𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜 𝗛𝗮𝘃𝗲 𝗪𝗼𝗿𝗸𝗲𝗱 𝗜𝗻:
ERP, CRM, SCM & POS systems
Marketing & Advertising Tech
Food Ordering & Sports Applications
Learning Management Systems
E-commerce & Mobile Commerce
Logistics & Transportation
Real Estate Platforms
Financial Reporting Systems
Event & Marketplace Applications
Healthcare applications (US compliance ready)
𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐇𝐢𝐫𝐞 𝐌𝐞:
Clean, scalable, and well-documented code
Strong communication & project management
Proven track record in complex, data-rich applications
Quick turnaround with long-term support
Experience delivering enterprise-level architecture
Associated with
JAYACHETNA SOFTWARE SOLUTION PRIVATE LIMITED
$1M+
earned
$22/hr
100%
Job Success
$80K+ earned
Available now
Offers consultations
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🟢 Available Now • Invite Me to Start Today 🟢
I'm Kailash, a Senior Mobile App Developer specializing in Flutter, React Native, iOS (Swift & SwiftUI), Android (Kotlin & Java), AI-powered mobile applications, Firebase, Supabase, and scalable backend integrations.
🏆 Top Rated Freelancer
⭐ 100% Job Success
⭐ 50+ Successful Mobile Projects
⭐ Thousands of Development Hours Delivered
⭐ Long-Term Client Relationships
⭐ Available for Immediate Start
I help startups, founders, agencies, and growing businesses build beautiful, scalable, high-performance mobile applications that users love and businesses can grow with.
Whether you're launching a brand-new MVP, modernizing an existing application, adding AI capabilities, scaling to thousands of users, or publishing to both the App Store and Google Play, I take ownership from planning through launch and long-term support.
I don't just build apps.
I help build successful products.
From architecture and UI/UX implementation to backend integrations, cloud services, AI features, testing, deployment, analytics, and maintenance, I work as an extension of your team to ensure your product succeeds long after launch.
Why clients hire me: I build once and run everywhere with Flutter and React Native, so a single codebase serves both Android and iOS, which lowers cost and keeps the experience consistent. When a project needs native power, I work directly in Swift for iOS and Kotlin/Java for Android. And I build AI in responsibly, from chat and smart recommendations to OpenAI and LLM features, so the product feels modern without shipping unreviewed output to users.
What I do:
✔ Cross-platform development with Flutter and React Native (Expo or bare)
✔ Native iOS (Swift, SwiftUI) and Android (Kotlin, Java)
✔ AI integration: OpenAI, LLMs, chatbots, smart recommendations
✔ APIs (REST, GraphQL), secure auth, real-time data, and offline-first behavior
✔ Push notifications, in-app purchases, and subscriptions (FCM, RevenueCat, Stripe)
✔ Multi-language and Arabic RTL localization
✔ App Store and Google Play publishing, TestFlight, and store optimization
I care about what users actually feel: fast load times, smooth navigation, accurate data, and an interface that looks premium on every screen size. I test on real iOS and Android devices, not just simulators, because that is where push notifications, background behavior, and edge cases usually break.
A Brand apps I've shipped to the stores:
✅ Silverback (Fintech): secure auth, financial data, subscriptions, both stores
✅ YelsaConnect: real-time features, notifications, user management, both stores
✅ Deal Connect (Real Estate): data-heavy listings, maps, live backend, both stores
✅ Smiling Mind (Healthcare): polished, accessible, engagement-focused experience
Why Clients Enjoy Working With Me
I believe great communication is just as important as great code.
Clients appreciate that I ask thoughtful questions, identify risks before development begins, suggest practical improvements, and keep projects moving with regular updates and transparent timelines.
I write clean, maintainable, and scalable code that other developers can easily understand, making future updates faster and more cost-effective.
Client Feedback
★★★★★
"Kailash is one of the best mobile developers we've worked with. Excellent communication, strong Flutter expertise, and always delivered high-quality work on time."
★★★★★
"Fantastic React Native developer. He quickly understood our requirements, suggested better technical solutions, and delivered a polished app."
★★★★★
"Very professional, responsive, and proactive. He treated our project like his own and made the entire development process smooth from start to finish."
★★★★★
"Outstanding experience. Clean code, beautiful UI, reliable backend integrations, and successful App Store approval. Highly recommended."
★★★★★
"Excellent Flutter developer with deep mobile knowledge. We'd happily work with him again on future projects."
My Development Process
Understand your business goals
Plan scalable architecture
Build clean UI and reliable backend integrations
Thorough testing on real devices
Performance optimization
Security review
App Store & Google Play deployment
Long-term maintenance and feature enhancements
Technologies
Flutter • React Native • Dart • JavaScript • TypeScript • Swift • SwiftUI • Kotlin • Java • Firebase • Supabase • AWS • Node.js • Express.js • REST API • GraphQL • MongoDB • PostgreSQL • MySQL • Redis • OpenAI • ChatGPT • GPT-4 • Claude • Gemini • AI Chatbots • AI Assistants • RAG • LangChain • RevenueCat • Stripe • Google Maps • Apple Maps • Push Notifications • FCM • Authentication • Social Login • Deep Linking • Offline Storage • SQLite • App Store • Google Play • TestFlight • CI/CD • GitHub • Git • Agile • Scrum • Mobile UI • Material Design • Cupertino • Cross Platform Development • Enterprise Mobile Apps • SaaS Mobile Apps • Startup MVP Development • App Maintenance
Kailash C.
has worked
.
Associated with
Expertinasia Pvt. Ltd.
$100K+
earned
$30/hr
94%
Job Success
$60K+ earned
Offers consultations
Start of list.
End of list.
⭐ Senior Full Stack & React Native Engineer who ships apps your users actually keep and your future team won't have to rebuild.
50+ production-grade apps delivered (SaaS, React Native, AI systems, multi-tenant platforms)
$31K MRR fitness app built from 0 → profitable in 120 days
AI automation saving clients $150K+/year — 73% ticket resolution, 18hr → 12sec response
Multi-tenant SaaS (ChurchBee.ai) — 50+ orgs, 5K+ members, role-based access at scale
8+ years shipping React Native + Next.js + Supabase + Node.js in production
WHAT I BUILD
You need a Full Stack or React Native Engineer who can own the product end-to-end — mobile app, web dashboard, backend API, and AI integration. Someone who thinks like a founder, not a ticket-taker. That's what I do. I've built everything from zero-to-launch MVPs to multi-tenant SaaS platforms serving 50+ organizations, AI agents handling thousands of support tickets, and cross-platform mobile apps generating real MRR — all in React Native, Next.js, Node.js, TypeScript, and Supabase.
ROLES I TAKE ON (8+ YEARS)
✔ React Native Developer / React Native Engineer — iOS & Android, Expo, offline-first, push notifications, 8+ years
✔ Full Stack Developer / Full Stack Engineer — React + Node.js end-to-end SaaS platforms, 8+ years
✔ Next.js Developer / NextJS Developer — SSR/SSG SaaS, multi-tenant, production-grade, 6+ years
✔ Node.js / NodeJS Developer / Backend Developer — REST APIs, NestJS, WebSockets, Supabase, 8+ years
✔ Supabase Developer — Auth, RLS, Edge Functions, Realtime, Storage, PostgreSQL schema design
✔ AI App Developer / LangChain Developer / RAG Developer — LLM integrations, AI agents, n8n automation
✔ SaaS Developer / Web App Developer — MVP to scale, multi-tenant architecture, Stripe billing
✔ TypeScript Developer / JavaScript Developer — typed full stack codebases, 8+ years
INDUSTRIES I SERVE
For Mobile-First Products — React Native apps, Expo, iOS & Android, in-app purchases, offline sync
For AI Startups — RAG chatbots, AI agents, OpenAI/Claude API, LangChain, n8n automation, vector DBs
For SaaS Founders — Multi-tenant platforms, role-based access, Stripe subscriptions, admin dashboards
For Healthcare & MedTech — HIPAA-compliant architecture, patient platforms, clinic management
For Marketplaces & E-commerce — Multi-vendor, Stripe Connect, real-time features, complex search
For FinTech — Subscription billing, multi-currency, KYC flows, Stripe integrations
For Nonprofits & Community Platforms — Member management, payments, multi-org support
RECENT PROOF
Fitness App — React Native, $31K MRR, 10K+ downloads, 0 → profitable in 120 days
AI Customer Support — LangChain + GPT-4 + RAG, 73% autonomous resolution, saved $150K+/year
ChurchBee.ai — Multi-tenant SaaS, NestJS + Next.js + PostgreSQL, 50+ orgs, 5K+ members
diSearch.ai — Enterprise AI search, doc retrieval 20min → 30sec, GCP + Python + React
n8n Automations — 10+ workflows built, avg 12hrs/week saved per client
WHAT CLIENTS SAY
"He understood what I needed, asked the right questions and was quick to respond. Extremely easy to work with. If you need a competent full stack developer, hire him." — Founder, Idea Networks
"We used Akmal for around 1 year on an hourly basis and have never regretted it. Honest, kind, and a great uprising talent." — CEO, VognPlan Aps
HOW I WORK
I think like a product engineer — before writing a line of code, I align on the business outcome, user, and 6-month vision. Then I ship in weekly demos, stay available on Slack/Telegram, and write code your next developer will thank you for.
Discovery & scoping (2–3 days) — define MVP boundary
Architecture — clean foundations, scalable schema, right stack
Weekly sprints with live demos — progress every week
Production launch — CI/CD, monitoring, error tracking
Post-launch support — most clients keep me on
TECH STACK
Mobile: React Native, Expo, iOS / Android, TypeScript
Frontend: React.js, Next.js, TypeScript, Redux, Zustand, Tailwind CSS, shadcn/ui
Backend: Node.js, Express, NestJS, tRPC, GraphQL, WebSockets, REST APIs
Database: PostgreSQL, Supabase (Auth, RLS, Edge Functions, Realtime), MongoDB, Redis, Prisma
AI/ML: OpenAI API, Anthropic/Claude API, LangChain, RAG pipelines, pgvector, n8n automation
Cloud & DevOps: AWS (Lambda, S3, RDS, EC2), Vercel, Docker, GitHub Actions, CI/CD, Sentry
Payments: Stripe Subscriptions, Stripe Connect, Stripe Checkout, PayPal.
Keywords to find me on Upwork:
Full Stack AI Engineer, AI SaaS Developer, SaaS MVP Developer, Next.js Developer, React Developer,
React Native Developer, Node Developer, NestJS Developer, TypeScript Developer, Supabase Developer, Vercel Developer, Tailwind CSS Developer, AI App Developer, OpenAI Developer, RAG Developer, LangChain Developer, Chatbot Developer, AI Agent Developer, Web App Developer, API Integration Developer, Stripe Integration, Performance Optimization, Code Review, App Debugging, Production Readiness, Internal Tools Developer, Startup App Developer.
Akmal Elahi S.
has worked
.
$35/hr
100%
Job Success
$400K+ earned
Available now
Offers consultations
Start of list.
End of list.
⚡ AI NATIVE WEB & MOBILE APP DEVELOPMENT
As Chief Architect of Wegile, I lead a team that builds web and mobile apps — new builds and legacy modernization — the AI-native way: senior architects using AI across the entire build, so you ship 40% faster, at lower cost, without sacrificing quality or control.
✅Top Rated Plus · ✅ 100% Job Success · ✅ $6M+ delivered · ✅ 400+ projects · ✅340,000+ hours
This isn't vibe-coding or an AI wrapper. It's a production AI team with real AI governance — every AI-assisted line reviewed by senior architects, with security, testing and quality gates built in. You get startup speed with enterprise-grade quality.
✅ 40% Faster Delivery — AI-native workflow, senior architects in the loop
✅ More Cost-Effective — less time to ship means lower cost to you
✅ AI Governance — eval, guardrails, security & code review on every build
✅ Top Quality — 100% Job Success, production-grade, built to scale
✅ Top Rated Plus — awarded by Upwork (Top 3%)
✅ 100% Job Success Score
✅ 20+ Years Experience · Founder of Wegile (since 2013)
✅ 100+ Senior Architects across every discipline
✅ 80% Long-Term Repeat Clients · under 5% team attrition
✅ Trusted by Startups & Enterprises across US, UK, Canada & Australia
✅ Fluent English · Transparent, Milestone-Driven Delivery
You don't just need a developer. You need a team that ships — fast, governed, and right the first time.
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⚡ WHY AI-NATIVE = FASTER, CHEAPER, BETTER
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✅ AI accelerates every stage — discovery, architecture, code, testing
✅ Senior architects govern every step — no junior guesswork, no rework
✅ 40% faster to production than traditional agencies
✅ Lower cost without cutting corners on quality or security
✅ Built to scale to millions of users from day one
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🚀 TWO WAYS TO START — LAUNCHPAD
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A fixed-price, fast way to get a production-ready AI-native foundation before we scale.
✅ LAUNCHPAD PRO — for NEW products ($4,999, live in 5 business days)
Your complete AI-native architecture, built from scratch. No legacy, nothing
to migrate — your team ships code on day 6. Best for: founders & startups
launching a new app or MVP who want it built right from day one.
✅ LAUNCHPAD ELITE — for EXISTING / legacy products (from $9,999, 10–15 days)
We audit your existing codebase, modernize the infrastructure, and rebuild
your workflow into an AI-governed pipeline — without disrupting live systems.
Best for: companies with an app built before AI who want it faster, safer
and AI-ready without a risky full rewrite.
After LaunchPad: continue with a dedicated AI-native pod or fixed-scope delivery.
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📱 WHAT I BUILD
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✅ iOS & Android Apps (Swift, Kotlin, Flutter, React Native)
✅ Web Apps & Platforms (React, Next.js, Node, Python)
✅ AI-Powered Apps — LLMs, AI Agents, RAG, Computer Vision, GPT-4o & Claude
✅ MVPs — production-ready, fast
✅ Health & Fitness · FinTech · Real Estate · E-commerce · Social · GPS/BLE/IoT
✅ Food Delivery · Booking · Streaming · Voice/Video · Dating apps
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🏆 PROOF (REAL OUTCOMES)
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🥇 Built an AI sales agent (SDR + WhatsApp/Meta omnichannel) now in production for one of Latin America's largest real-estate platforms
🥇 Engineered AI vitals-from-a-phone-camera apps + SDKs — work continued straight through the company's acquisition
🥇 Guided a fitness app past $250K monthly recurring revenue
🥇 Helped a charging-station network secure multimillion-dollar Series-A funding
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🛠️ TECH STACK
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◉ AI/ML: GPT-4o, Claude, LangChain, RAG, Vector DBs, AI Agents, TensorFlow, NLP, Computer Vision
◉ Mobile: Swift, Objective-C, Kotlin, Java, Flutter, React Native
◉ Web: React, Next.js, Node.js, NestJS, Python, Django, PHP, Laravel
◉ Cloud/DevOps: AWS (Lambda, API Gateway, ECS, S3), Firebase, Docker, CI/CD
◉ Data: PostgreSQL, MySQL, MongoDB, Pinecone, Supabase, Firestore
◉ APIs: Stripe, PayPal, Braintree, Twilio, WhatsApp/Meta, WebRTC, Maps, REST, GraphQL
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🚀 READY TO BUILD?
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Whether you're a startup launching an MVP or an enterprise scaling a product — I'll show you how AI-native delivery gets it built faster, for less, without compromise.
Click MESSAGE or INVITE TO JOB for a 15–30 min strategy call. 🤝
Associated with
Wegile
$6M+
earned
$30/hr
100%
Job Success
$10K+ earned
Available now
Offers consultations
Start of list.
End of list.
👨💻 Senior UI/UX Designer| React Native Mobile App Developer | 7+ Years Experience
I’m a UI/UX Designer and React Native Developer with 7+ years of experience building cross-platform mobile apps and web products for startups, SaaS companies, and growing businesses. I design in Figma and build in React Native, which means the product you approve in the prototype is the product that gets shipped.
🏆I’m Top Rated with a 100% Job Success Score, and clients work with me because I communicate clearly, deliver on time, and stay involved throughout the project.
🚀What I can help you build:
Cross-platform iOS & Android apps
• Startup MVPs
• SaaS dashboards
• Real-time chat applications
• E-commerce apps with Stripe integration
• On-demand/service apps with live GPS tracking
• Admin panels & backend integrations
• Modern UI/UX systems in Figma
🛠️My design workflow includes:
• Wireframing & user flows
• High-fidelity UI design
• Interactive prototypes
• React Native development
• API integration
• EAS Build & CI/CD setup
• App Store & Google Play deployment
⚙️ Tech Stack:
• UI/UX Design
• Figma
• React Native
• Expo & EAS Build
• TypeScript & JavaScript
• Firebase & Supabase
• Node.js & REST APIs
• Stripe Integration
• Figma & Design Systems
• CI/CD Setup
• App Store & Google Play Deployment
I have built products across multiple industries and business models
🛒 E-commerce & Retail
💳 Fintech & Payments
🏥 Healthcare & Fitness
🏡 Real Estate Platforms
☁️ SaaS Products & Platforms
🚚 On-demand & Delivery Apps
📚 Education & E-learning
🤖 AI-powered Tech Startups
Cross-industry experience means I rarely walk into a project blind. I already understand the screens that matter most. I know the user flows that typically confuse users. I focus on the features that actually need to ship first
I’ve worked with direct clients for years, and now focus full-time on Upwork.
If you need someone who can take your product from idea to design to a live mobile app without managing separate teams, I’d be happy to help.
📩 Send me a message with your project details
Rana U.
has worked
.
$30/hr
100%
Job Success
$200K+ earned
Available now
Offers consultations
Start of list.
End of list.
💰 Helping startups and businesses build SaaS platforms, mobile applications, marketplaces, AI-powered products, and custom business systems that scale.
🏆 15+ Years of Development Experience
✅ 100+ Successful Projects Delivered
⏰ 4000+ Upwork Hours
🤝 Long-Term Partnerships with Startups & Growing Businesses
Most clients hire me when they need more than a developer. They need a Full Stack Developer who can understand business requirements, architect the solution correctly, and deliver a product that can grow without expensive rewrites later.
As a Full Stack Developer, I work across web, mobile, and backend systems, helping founders launch MVPs, modernize existing platforms, and scale production applications.
🔥 Core Expertise
✅ Full Stack Development
✅ SaaS Product Development
✅ Custom Web Applications
✅ Mobile App Development
✅ AI Integrations & Automation
✅ CRM & ERP Solutions
✅ Marketplace Platforms
✅ Fintech Applications
💻 Full Stack Developer Services
As a Full Stack Developer, I build complete solutions from frontend to backend using modern technologies and scalable architectures.
My focus is always on:
✔ Clean Architecture
✔ Fast Performance
✔ Scalability
✔ Security
✔ Long-Term Maintainability
⚙️ Laravel Developer
As a Laravel Developer, I build robust backend systems, REST APIs, admin panels, CRM platforms, ERP solutions, booking systems, marketplaces, and SaaS applications.
Laravel Expertise:
✔ Laravel
✔ Laravel Livewire
✔ Full Stack Laravel
✔ Laravel Firebase Integration
✔ REST APIs
✔ Payment Gateways
✔ Multi-Tenant SaaS Platforms
✔ Queue Systems & Background Jobs
Many businesses hire me as a Laravel Developer to improve performance, modernize legacy systems, and build scalable applications from scratch.
📱 Flutter Developer
As a Flutter Developer, I create high-performance mobile applications using a single codebase for both iOS and Android.
Flutter Expertise:
✔ Flutter
✔ Flutter Dart
✔ Firebase
✔ Payment Integrations
✔ Real-Time Applications
✔ Enterprise Mobility Solutions
✔ Cross-Platform Development
Whether it's an MVP or a production-scale application, I help businesses launch reliable mobile products quickly.
📲 React Native Developer
As a React Native Developer, I develop scalable mobile applications with native-like performance for both iOS and Android platforms.
React Native Expertise:
✔ React Native
✔ React Native Developer Services
✔ Mobile Architecture
✔ Third-Party Integrations
✔ Push Notifications
✔ Real-Time Features
✔ App Store & Play Store Deployment
🚀 Technical Stack
Frontend:
React, Next.js, Vue.js, JavaScript, TypeScript
Backend:
Laravel, Node.js, Nest.js, PHP
Mobile:
Flutter, Flutter Dart, React Native
Database:
MySQL, PostgreSQL, MongoDB, Firebase
Cloud & DevOps:
AWS, DigitalOcean, Docker, CI/CD
AI:
OpenAI, ChatGPT, AI Agents, RAG Systems
🎯 Why Clients Choose Me
✔ Full Stack Developer with business-first thinking
✔ Laravel Developer experienced in complex backend systems
✔ Flutter Developer focused on performance and user experience
✔ React Native Developer for scalable mobile products
✔ Clear communication and reliable delivery
✔ Solutions designed for growth, not just launch
If you're looking for a Full Stack Developer, Laravel Developer, Flutter Developer, or React Native Developer who can take ownership of your product from idea to deployment, let's discuss your project.
🔑 Keywords:
Full Stack Developer, Fullstack programming, React, Laravel, Laravel Developer, Laravel livewire Laravel full stack, Full stack laravel, laravel firebase, Node.js, Nest.js, JavaScript, Flutter, Flutter Developer, Flutter Dart, Laravel Developer, React Native, React Native Developer, Full Stack Laravel Developer
Abuzer F.
has worked
.
$35/hr
100%
Job Success
$200K+ earned
Available now
Offers consultations
Start of list.
End of list.
Full-stack & AI SaaS developer building production-ready platforms with React, Next.js, Node.js, and OpenAI integrations. $200K+ earned, 82 completed projects, 6,844 hours, 100% Job Success Score, Top Rated Plus on Upwork.
WHAT I BUILD
AI SaaS Platforms & OpenAI Integrations
I build multi-tenant SaaS products with LLM-powered features: AI chat interfaces with streaming responses and rate-limit handling, AI-powered dashboards that summarize and surface data, automated workflows that connect model outputs to real business logic, and usage-based or subscription billing tied to Stripe.
Startup MVPs
For early-stage founders, I move from idea to a production-ready MVP fast — a lean data model, working auth (email/OAuth), the core user flows, and payments wired in from day one. Built to extend after you raise, not thrown away and rebuilt.
Full-Stack Web Applications
SaaS dashboards, CRM systems, admin panels, and marketplace platforms on Next.js and Node.js, backed by PostgreSQL or Supabase. I pay close attention to schema design, API structure, and query performance so the app holds up once real usage hits it, not just at demo scale.
Cross-Platform Mobile Apps
React Native apps for iOS and Android from a single codebase, including native module integration where needed (camera, Bluetooth, push notifications) and real-time, API-integrated features.
CRM & Dashboard Systems
Custom internal tools with role-based access, reporting views, and integrations with third-party APIs (Stripe, Xero, Zoho, and similar) so teams stop stitching data together manually.
API & Payment Integrations
Stripe subscription billing (proration, dunning, webhook idempotency), REST API integration, and authentication systems — OAuth, JWT, and session-based auth.
AI Workflows & Automation
Connecting LLMs to real business processes: structured output generation, retrieval-augmented workflows, and automation pipelines that replace manual, repetitive work.
TECH STACK
Frontend: React.js, Next.js, TypeScript, Tailwind CSS
Backend: Node.js, Express.js, PostgreSQL, Supabase, MongoDB
Mobile: React Native (iOS & Android)
AI & Integrations: OpenAI API, Claude, Stripe, REST APIs, OAuth, Firebase
HOW I WORK
Discovery first — I scope the data model and architecture decisions before writing code, not mid-build, so we're not rebuilding foundations two weeks in.
Iterative delivery — visible milestones along the way, not a single black-box release at the end.
Clear communication — async updates by default, calls when they're actually useful.
Clean handoff — documented, production-ready code, not a prototype you have to rebuild before it can ship.
TRACK RECORD
$200K+ earned across 82 completed Upwork projects and 6,844 logged hours, with a 100% Job Success Score and Top Rated Plus status — Upwork's top freelancer tier, reserved for a small percentage of accounts with sustained, high-value client outcomes.
If you need an AI SaaS platform, a startup MVP, a full-stack web app, or a cross-platform mobile build done right the first time, send me your project details and I'll tell you exactly how I'd approach it.
Tabish S.
has worked
.
Associated with
HashPotato LLC
$400K+
earned