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Muhammad Saqlain A.

Lahore, Pakistan

$25/hr
5.0
5 jobs

๐‹๐จ๐จ๐ค๐ข๐ง๐  ๐Ÿ๐จ๐ซ ๐š๐ง ๐ž๐ฑ๐ฉ๐ž๐ซ๐ข๐ž๐ง๐œ๐ž๐ ๐Ÿ๐ฎ๐ฅ๐ฅ ๐ฌ๐ญ๐š๐œ๐ค ๐๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ, ๐€๐ˆ ๐š๐ฎ๐ญ๐จ๐ฆ๐š๐ญ๐ข๐จ๐ง ๐ž๐ฑ๐ฉ๐ž๐ซ๐ญ, ๐จ๐ซ ๐ง๐Ÿ–๐ง ๐๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ ๐ฐ๐ก๐จ ๐œ๐š๐ง ๐ญ๐ฎ๐ซ๐ง ๐ฆ๐š๐ง๐ฎ๐š๐ฅ, ๐ซ๐ž๐ฉ๐ž๐ญ๐ข๐ญ๐ข๐ฏ๐ž ๐ฐ๐จ๐ซ๐ค ๐ข๐ง๐ญ๐จ ๐ฌ๐ฒ๐ฌ๐ญ๐ž๐ฆ๐ฌ ๐ญ๐ก๐š๐ญ ๐ซ๐ฎ๐ง ๐จ๐ง ๐ญ๐ก๐ž๐ข๐ซ ๐จ๐ฐ๐ง? ๐˜๐จ๐ฎ'๐ซ๐ž ๐ข๐ง ๐ญ๐ก๐ž ๐ซ๐ข๐ ๐ก๐ญ ๐ฉ๐ฅ๐š๐œ๐ž. ๐Ž๐ฏ๐ž๐ซ ๐ญ๐ก๐ž ๐ฉ๐š๐ฌ๐ญ ๐Ÿ•+ ๐ฒ๐ž๐š๐ซ๐ฌ, ๐ˆ'๐ฏ๐ž ๐›๐ž๐ž๐ง ๐ฐ๐จ๐ซ๐ค๐ข๐ง๐  ๐š๐ฌ ๐š ๐Ÿ๐ฎ๐ฅ๐ฅ ๐ฌ๐ญ๐š๐œ๐ค ๐๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ ๐š๐ง๐ ๐š๐ฎ๐ญ๐จ๐ฆ๐š๐ญ๐ข๐จ๐ง ๐ž๐ง๐ ๐ข๐ง๐ž๐ž๐ซ, ๐›๐ฎ๐ข๐ฅ๐๐ข๐ง๐  ๐ฐ๐ž๐› ๐š๐ฉ๐ฉ๐ฅ๐ข๐œ๐š๐ญ๐ข๐จ๐ง๐ฌ, ๐›๐š๐œ๐ค๐ž๐ง๐ ๐ฌ๐ฒ๐ฌ๐ญ๐ž๐ฆ๐ฌ, ๐š๐ง๐ ๐›๐ฎ๐ฌ๐ข๐ง๐ž๐ฌ๐ฌ ๐ฅ๐จ๐ ๐ข๐œ ๐ญ๐ก๐š๐ญ ๐ฌ๐œ๐š๐ฅ๐ž๐ฌ. More recently, I've specialized in workflow automation and AI application development ๐ฎ๐ฌ๐ข๐ง๐  ๐ง๐Ÿ–๐ง, ๐Œ๐š๐ค๐ž, ๐™๐š๐ฉ๐ข๐ž๐ซ, ๐‹๐š๐ง๐ ๐‚๐ก๐š๐ข๐ง, ๐š๐ง๐ ๐ญ๐ก๐ž ๐Ž๐ฉ๐ž๐ง๐€๐ˆ ๐€๐๐ˆ. My experience includes building ๐€๐ˆ ๐š๐ ๐ž๐ง๐ญ๐ฌ, ๐€๐ˆ ๐œ๐ก๐š๐ญ๐›๐จ๐ญ๐ฌ, ๐‘๐€๐† (๐‘๐ž๐ญ๐ซ๐ข๐ž๐ฏ๐š๐ฅ-๐€๐ฎ๐ ๐ฆ๐ž๐ง๐ญ๐ž๐ ๐†๐ž๐ง๐ž๐ซ๐š๐ญ๐ข๐จ๐ง) systems trained on company data, CRM automation, lead-routing systems, and custom SaaS platforms that eliminate manual busywork. ๐ˆ ๐ก๐ž๐ฅ๐ฉ ๐ฌ๐ญ๐š๐ซ๐ญ๐ฎ๐ฉ๐ฌ ๐š๐ง๐ ๐›๐ฎ๐ฌ๐ข๐ง๐ž๐ฌ๐ฌ๐ž๐ฌ build workflow automation, AI applications, and full stack web platforms that are reliable, scalable, and built to save real time not just look good in a proposal. ๐–๐ก๐ž๐ญ๐ก๐ž๐ซ ๐ฒ๐จ๐ฎ ๐ง๐ž๐ž๐ ๐š ๐›๐ฎ๐ฌ๐ข๐ง๐ž๐ฌ๐ฌ ๐ฉ๐ซ๐จ๐œ๐ž๐ฌ๐ฌ ๐š๐ฎ๐ญ๐จ๐ฆ๐š๐ญ๐ž๐, ๐š ๐ฐ๐ž๐› ๐š๐ฉ๐ฉ๐ฅ๐ข๐œ๐š๐ญ๐ข๐จ๐ง ๐›๐ฎ๐ข๐ฅ๐ญ ๐Ÿ๐ซ๐จ๐ฆ ๐ฌ๐œ๐ซ๐š๐ญ๐œ๐ก, ๐š๐ง ๐€๐ˆ ๐œ๐ก๐š๐ญ๐›๐จ๐ญ ๐๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐, ๐จ๐ซ ๐€๐ˆ ๐Ÿ๐ž๐š๐ญ๐ฎ๐ซ๐ž๐ฌ ๐š๐๐๐ž๐ ๐ญ๐จ ๐ฒ๐จ๐ฎ๐ซ ๐ž๐ฑ๐ข๐ฌ๐ญ๐ข๐ง๐  ๐ฉ๐ซ๐จ๐๐ฎ๐œ๐ญ, ๐ˆ'๐ฅ๐ฅ ๐ก๐ž๐ฅ๐ฉ ๐ฒ๐จ๐ฎ ๐Ÿ๐ข๐ง๐ ๐ญ๐ก๐ž ๐ซ๐ข๐ ๐ก๐ญ ๐ฌ๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง ๐š๐ง๐ ๐›๐ฎ๐ข๐ฅ๐ ๐ข๐ญ ๐œ๐จ๐ซ๐ซ๐ž๐œ๐ญ๐ฅ๐ฒ ๐ญ๐ก๐ž ๐Ÿ๐ข๐ซ๐ฌ๐ญ ๐ญ๐ข๐ฆ๐ž. ๐€๐ฌ ๐š ๐‘๐ž๐š๐œ๐ญ ๐๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ, ๐๐ž๐ฑ๐ญ.๐ฃ๐ฌ ๐๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ, ๐š๐ง๐ ๐๐จ๐๐ž.๐ฃ๐ฌ ๐๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ, ๐ฆ๐ฒ ๐ญ๐ž๐œ๐ก๐ง๐ข๐œ๐š๐ฅ ๐ž๐ฑ๐ฉ๐ž๐ซ๐ข๐ž๐ง๐œ๐ž ๐ฌ๐ฉ๐š๐ง๐ฌ ๐Ÿ๐ซ๐จ๐ง๐ญ๐ž๐ง๐ ๐๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ฆ๐ž๐ง๐ญ, ๐›๐š๐œ๐ค๐ž๐ง๐ ๐€๐๐ˆ ๐๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ฆ๐ž๐ง๐ญ, ๐‘๐„๐’๐“ ๐š๐ง๐ ๐†๐ซ๐š๐ฉ๐ก๐๐‹ ๐ข๐ง๐ญ๐ž๐ ๐ซ๐š๐ญ๐ข๐จ๐ง๐ฌ, ๐ฐ๐จ๐ซ๐ค๐Ÿ๐ฅ๐จ๐ฐ ๐š๐ฎ๐ญ๐จ๐ฆ๐š๐ญ๐ข๐จ๐ง, ๐š๐ง๐ ๐›๐ฅ๐จ๐œ๐ค๐œ๐ก๐š๐ข๐ง ๐๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ฆ๐ž๐ง๐ญ, ๐ข๐ง๐œ๐ฅ๐ฎ๐๐ข๐ง๐  ๐’๐จ๐ฅ๐ข๐๐ข๐ญ๐ฒ ๐ฌ๐ฆ๐š๐ซ๐ญ ๐œ๐จ๐ง๐ญ๐ซ๐š๐œ๐ญ๐ฌ ๐š๐ง๐ ๐–๐ž๐›๐Ÿ‘ ๐ข๐ง๐ญ๐ž๐ ๐ซ๐š๐ญ๐ข๐จ๐ง๐ฌ. ๐ˆ ๐ฌ๐ฉ๐ž๐œ๐ข๐š๐ฅ๐ข๐ณ๐ž ๐ข๐ง ๐ญ๐ฎ๐ซ๐ง๐ข๐ง๐  ๐š ๐ฆ๐š๐ง๐ฎ๐š๐ฅ ๐ฉ๐ซ๐จ๐œ๐ž๐ฌ๐ฌ ๐จ๐ซ ๐š ๐ซ๐จ๐ฎ๐ ๐ก ๐ข๐๐ž๐š ๐ข๐ง๐ญ๐จ ๐š ๐Ÿ๐š๐ฌ๐ญ, ๐ฌ๐ž๐œ๐ฎ๐ซ๐ž, ๐š๐ง๐ ๐ž๐š๐ฌ๐ฒ-๐ญ๐จ-๐ฆ๐š๐ข๐ง๐ญ๐š๐ข๐ง ๐ฉ๐ซ๐จ๐๐ฎ๐œ๐ญ. ๐ˆ ๐›๐ž๐ฅ๐ข๐ž๐ฏ๐ž ๐ฌ๐ฎ๐œ๐œ๐ž๐ฌ๐ฌ๐Ÿ๐ฎ๐ฅ ๐ฉ๐ซ๐จ๐ฃ๐ž๐œ๐ญ๐ฌ ๐œ๐จ๐ฆ๐ž ๐Ÿ๐ซ๐จ๐ฆ ๐œ๐ฅ๐ž๐š๐ซ ๐œ๐จ๐ฆ๐ฆ๐ฎ๐ง๐ข๐œ๐š๐ญ๐ข๐จ๐ง, ๐ซ๐ž๐š๐ฅ๐ข๐ฌ๐ญ๐ข๐œ ๐ฉ๐ฅ๐š๐ง๐ง๐ข๐ง๐ , ๐š๐ง๐ ๐ฐ๐ซ๐ข๐ญ๐ข๐ง๐  ๐œ๐ฅ๐ž๐š๐ง, ๐ฆ๐š๐ข๐ง๐ญ๐š๐ข๐ง๐š๐›๐ฅ๐ž ๐œ๐จ๐๐ž. You will always know exactly where your project stands, and I focus on solving your actual business problem, not just delivering features. ๐“๐ž๐œ๐ก ๐’๐ญ๐š๐œ๐ค: ๐…๐ซ๐จ๐ง๐ญ๐ž๐ง๐ ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ฆ๐ž๐ง๐ญ: React.js, Next.js, JavaScript (ES6+), TypeScript, HTML5, CSS3, Tailwind CSS, Redux, Storybook ๐๐š๐œ๐ค๐ž๐ง๐ ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ฆ๐ž๐ง๐ญ:Node.js, Express.js, Python, REST API development, GraphQL, JWT/OAuth authentication, Webhooks ๐ƒ๐š๐ญ๐š๐›๐š๐ฌ๐ž๐ฌ: PostgreSQL, MySQL, MongoDB ๐‚๐ฅ๐จ๐ฎ๐ & ๐ƒ๐ž๐ฏ๐Ž๐ฉ๐ฌ: AWS (EC2, Lambda, RDS), Docker, Git, Jenkins, CI/CD ๐€๐ˆ ๐„๐ง๐ ๐ข๐ง๐ž๐ž๐ซ๐ข๐ง๐ : AI Agents, Agentic AI workflows, RAG systems, Prompt Engineering, AI workflow automation ๐‹๐š๐ซ๐ ๐ž ๐‹๐š๐ง๐ ๐ฎ๐š๐ ๐ž ๐Œ๐จ๐๐ž๐ฅ๐ฌ (๐‹๐‹๐Œ๐ฌ):OpenAI GPT-4/4o, Claude,Gimini,Cursor ๐€๐ฎ๐ญ๐จ๐ฆ๐š๐ญ๐ข๐จ๐ง ๐๐ฅ๐š๐ญ๐Ÿ๐จ๐ซ๐ฆ๐ฌ:n8n, Make, Zapier ๐๐ฅ๐จ๐œ๐ค๐œ๐ก๐š๐ข๐ง ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ฆ๐ž๐ง๐ญ:Solidity, Ethereum, Solana, Web3.js, smart contracts, NFTs (ERC-20, ERC-721, ERC-1155) ๐€๐๐ˆ ๐ˆ๐ง๐ญ๐ž๐ ๐ซ๐š๐ญ๐ข๐จ๐ง๐ฌ: Slack API, Notion API, Airtable API, HubSpot, Twilio, Google Sheets API, Stripe ๐ˆ๐Ÿ ๐ฒ๐จ๐ฎ'๐ซ๐ž ๐ฅ๐จ๐จ๐ค๐ข๐ง๐  ๐Ÿ๐จ๐ซ ๐š ๐๐ž๐๐ข๐œ๐š๐ญ๐ž๐ ๐Ÿ๐ฎ๐ฅ๐ฅ ๐ฌ๐ญ๐š๐œ๐ค ๐๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ, ๐€๐ˆ ๐š๐ฎ๐ญ๐จ๐ฆ๐š๐ญ๐ข๐จ๐ง ๐œ๐จ๐ง๐ฌ๐ฎ๐ฅ๐ญ๐š๐ง๐ญ, ๐จ๐ซ ๐ฐ๐จ๐ซ๐ค๐Ÿ๐ฅ๐จ๐ฐ ๐š๐ฎ๐ญ๐จ๐ฆ๐š๐ญ๐ข๐จ๐ง ๐ž๐ฑ๐ฉ๐ž๐ซ๐ญ ๐Ÿ๐จ๐ซ ๐š ๐จ๐ง๐ž-๐จ๐Ÿ๐Ÿ ๐ฉ๐ซ๐จ๐ฃ๐ž๐œ๐ญ ๐จ๐ซ ๐š ๐ฅ๐จ๐ง๐ -๐ญ๐ž๐ซ๐ฆ ๐ซ๐จ๐ฅ๐ž, ๐ˆ'๐ ๐›๐ž ๐ ๐ฅ๐š๐ ๐ญ๐จ ๐ก๐ž๐ฅ๐ฉ. ๐Œ๐ž๐ฌ๐ฌ๐š๐ ๐ž ๐ฆ๐ž ๐ˆ ๐ฎ๐ฌ๐ฎ๐š๐ฅ๐ฅ๐ฒ ๐ซ๐ž๐ฉ๐ฅ๐ฒ ๐ฐ๐ข๐ญ๐ก๐ข๐ง ๐š ๐Ÿ๐ž๐ฐ ๐ฆ๐ข๐ง๐ฎ๐ญ๐ž๐ฌ

  • Front-End Development
  • Angular
  • Next.js
  • React
  • Node.js
  • JavaScript
  • Tailwind CSS
  • TypeScript
  • AWS Lambda
  • Full-Stack Development
  • Storybook
  • Smart Contract Development
  • Blockchain
  • Solidify
  • Blockchain Development
Ramsey M.

Algiers, Algeria

$25/hr
5.0
22 jobs

Hello! I'm Ramsey, a passionate software engineer specializing in blockchain, web and desktop application development. I excel in crafting smart contracts, DApps, tokens (ERC-20, BEP-20, NFTs), and integrating blockchain systems. Skilled in modern frameworks like React, Next.js, and Angular, I also bring backend expertise with Python, Node.js, and PHP to help create secure, scalable web solutions. For desktop apps, I use PyQt, C#, or JavaFX to deliver custom, multi-platform support. I also have strong expertise in AI related work including chatbots, recommendation systems, NLP, CV, and OpenAI API integrations. I have a very detail-oriented, problem-solving approach, strong communication, and timely delivery, Iโ€™m ready to bring your ideas to life. Letโ€™s build together!

  • Blockchain Architecture
  • Artificial Intelligence
  • Mobile App
  • Web Application
  • React
  • Python
  • JavaScript
  • FastAPI
  • Machine Learning
  • PHP
  • REST API
  • Data Scraping
  • MySQL
  • Docker
Nguyen H.

Giao Thuy, Vietnam

$25/hr
5.0
2 jobs

I build production ready mobile applications using React Native and Flutter for businesses that need reliable, scalable, and high performance products. My expertise is focused on Fintech, Logistics, and B2B SaaS applications, where stability, real time communication, secure data handling, and long term maintainability matter far more than simply shipping features. I enjoy working on products that people depend on every day. Whether it is processing payments, tracking deliveries, managing business operations, or connecting teams in real time, I focus on building applications that continue performing reliably as users and business requirements grow. I have worked on mobile applications that involve much more than UI implementation. My experience includes payment processing, real time synchronization, background services, offline functionality, push notifications, location tracking, API integration, authentication, and performance optimization under real world conditions. I mainly work with startups and growing businesses from the United States, United Kingdom, Canada, Australia, and Germany, and I can easily align with your timezone to keep communication fast and development moving efficiently. ๐Ÿ’ฐ Fintech Applications Financial applications demand accuracy, security, and consistency. Small technical issues can quickly become business problems. I help clients solve challenges such as: ๐Ÿ”น Preventing duplicate transactions during unstable network conditions ๐Ÿ”น Building reliable wallet and balance synchronization ๐Ÿ”น Integrating Stripe and secure payment gateways ๐Ÿ”น Implementing secure authentication and role based permissions ๐Ÿ”น Creating financial dashboards with real time updates ๐Ÿ”น Improving API reliability for payment processing The result is stable financial applications that users can trust while remaining easy to maintain as the platform grows. ๐Ÿšš Logistics and Mobility Applications Logistics platforms require constant synchronization between users, drivers, dispatchers, and backend systems. I build applications capable of handling real operational environments by solving challenges including: ๐Ÿ”น Live GPS tracking with optimized battery consumption ๐Ÿ”น Real time driver and delivery status synchronization ๐Ÿ”น Offline functionality with automatic background synchronization ๐Ÿ”น Route visualization using Google Maps SDK ๐Ÿ”น Background location updates without affecting performance ๐Ÿ”น Push notifications for deliveries and operational events The result is dependable logistics applications that continue working even under unstable network conditions. ๐Ÿข B2B SaaS and Business Applications Many business applications become difficult to maintain as teams and workflows grow. I build scalable mobile applications that improve business operations while remaining simple for end users. Typical challenges I solve include: ๐Ÿ”น Multi role authentication and permission systems ๐Ÿ”น Real time synchronization across multiple users ๐Ÿ”น Offline data collection with automatic syncing ๐Ÿ”น CRM, ERP, payment platform, and third party API integration ๐Ÿ”น Dashboard optimization for large business datasets ๐Ÿ”น Secure cloud based architecture for business applications The result is mobile platforms that help businesses improve productivity without sacrificing reliability or performance. โš™๏ธ Technical Skills โ€ข React Native โ€ข Flutter โ€ข JavaScript โ€ข TypeScript โ€ข Node.js โ€ข Express โ€ข FastAPI โ€ข Firebase Authentication โ€ข Firebase Firestore โ€ข Firebase Cloud Messaging โ€ข Supabase โ€ข PostgreSQL โ€ข Supabase Edge Functions โ€ข Stripe โ€ข Google Maps SDK โ€ข REST APIs โ€ข GraphQL โ€ข WebSockets โ€ข Redux โ€ข Zustand โ€ข Git โ€ข GitHub Actions โ€ข CI/CD โ€ข App Store Deployment โ€ข Google Play Store Deployment ๐Ÿง  My Development Approach โœ” Designing scalable application architecture before development โœ” Building reliable API integration with proper error handling โœ” Planning offline functionality from the beginning โœ” Optimizing application performance throughout development โœ” Writing clean, maintainable, and reusable code โœ” Testing edge cases before release โœ” Delivering applications ready for production deployment ๐ŸŒ Clients I Work With I primarily work with startups, SaaS companies, and growing businesses building long term digital products. Industries I commonly work with include: โ€ข Fintech โ€ข Logistics โ€ข Fleet Management โ€ข Transportation โ€ข B2B SaaS โ€ข Business Operations โ€ข Field Service Management โ€ข Delivery Platforms โ€ข Internal Business Tools โฐ Timezone I can align with your timezone to ensure efficient communication, quick feedback cycles, and smooth collaboration throughout the project. If you're building a mobile product and need someone who focuses on reliability, scalability, and long term success instead of simply delivering screens, feel free to click the Message button. I'd be happy to discuss your project and explore how we can build a mobile application that is ready for real users from day one.

  • React
  • React Native
  • Flutter
  • TypeScript
  • Mobile App Development
  • iOS Development
  • Android App Development
  • FlutterFlow
  • Expo.io
  • Dart
  • Stripe
  • Payment Gateway Integration
  • Google Maps API
  • Nero Global Tracking GPS Tracking
  • Firebase
  • Push Notifications
  • Supabase
  • PostgreSQL
  • FinTech
  • SaaS Development
Adnan A.

Islamabad, Pakistan

$13/hr
5.0
1 jobs

I help startups and businesses build production-ready mobile applications for iOS and Android using React Native, TypeScript, Node.js, Firebase, and modern APIs. 4+ Years Experience | 23+ Projects Delivered Building a mobile app is more than creating screens. Poor performance, unstable APIs, confusing user flows, notification issues, payment bugs, and App Store problems can quickly turn a good product idea into a frustrating experience. I work across the complete mobile stack, from Figma implementation and React Native development to backend APIs, databases, real-time features, payments, and App Store/Google Play deployment. What I Can Build React Native Mobile Apps * iOS & Android Applications * Marketplace & Booking Apps * E-commerce Applications * FinTech & Crypto Apps * Social & Chat Applications * Event & Ticketing Platforms * SaaS Mobile Apps * AI-Powered Mobile Apps * Web3 & Crypto Wallet Apps Mobile Features & Integrations * REST API Integration * Firebase Authentication * Push Notifications * Stripe & Payment Gateways * In-App Purchases * Real-Time Chat & WebSockets * Google Maps & Location Services * Camera & Image Uploads * Deep Linking * Social Login * Offline / Local Storage * Third-Party SDK Integration Backend & Web * Node.js / Express.js * TypeScript / JavaScript * MongoDB / PostgreSQL / Firebase * REST APIs & WebSockets * React.js / Next.js * AWS & Cloud Deployment Selected Projects Live9 โ€“ Event & Booking Platform Developed a production mobile platform with artist/venue bookings, payments, real-time features, notifications, ticketing, user roles, and scalable backend APIs. Quick Shop โ€“ E-commerce Platform Built web and mobile shopping experiences with product discovery, ordering workflows, responsive UI, API integrations, and synchronized customer experiences. Tomi SuperApp Worked on a production React Native application combining complex mobile functionality, real-time communication, API integrations, secure transactions, and cross-platform deployment. Noottools Mobile App Developed a React Native mobile application with secure authentication, complex transaction flows, API integrations, state management, and reusable UI components. Tech Stack * Mobile: React Native โ€ข TypeScript โ€ข JavaScript โ€ข Expo โ€ข Android โ€ข iOS * Frontend: React.js โ€ข Next.js โ€ข Tailwind CSS * Backend: Node.js โ€ข Express.js โ€ข REST APIs โ€ข WebSockets * Database: MongoDB โ€ข PostgreSQL โ€ข Firebase โ€ข Supabase * Cloud & Tools: AWS โ€ข Docker โ€ข Git โ€ข Firebase โ€ข EAS * Specialized: AI/LLM APIs โ€ข Web3 โ€ข Blockchain โ€ข Crypto Wallets Whether you need to build a new mobile app, complete an existing React Native project, fix production issues, integrate APIs, improve performance, or publish your app to the App Store and Google Play, I can help take it from development to production. Send me your requirements, Figma designs, or existing codebase and let's discuss the best approach.

  • Crypto Wallet Development
  • Crypto Wallet
  • Decentralized Exchange
  • DeFi
  • Smart Contract Development
  • Smart Contract
  • Web3
  • Ethereum
  • Blockchain Development
  • Blockchain
  • Blockchain Architecture
  • Solidity
  • React Native
  • Rust
  • Android
  • iOS Development
  • Node.js
  • Next.js
Vatsal V.

Surat, India

$10/hr
5.0
11 jobs

๐Ÿš€ Senior Full Stack Developer | React ยท Next.js ยท Node.js ยท TypeScript ยท SaaS & AI Apps ยท CRM Hi, I'm Vatsal โ€” a Full Stack Developer who helps startups and founders turn ideas into fast, scalable, production-ready web applications. I specialize in SaaS platforms and AI-powered apps, owning the full stack from frontend to backend, database, and deployment. What I build: -SaaS Platforms โ€” multi-tenant architecture, subscription billing, role-based access, admin dashboards -AI-Powered Apps โ€” OpenAI integrations, chatbots, intelligent automation -Full Stack Web Apps โ€” React/Next.js frontends with Node.js, Express & NestJS backends -APIs & Integrations โ€” REST, GraphQL, third-party services, payment gateways -Performance & Scaling โ€” optimizing slow apps, refactoring, fixing what's broken Tech Stack: -Frontend โ†’ React, Next.js, TypeScript, Tailwind CSS -Backend โ†’ Node.js, Express.js, NestJS, REST & GraphQL -Database โ†’ PostgreSQL, MongoDB, Supabase -Cloud โ†’ AWS, Vercel, Docker -AI โ†’ OpenAI API, automation workflows Why founders choose me: โœ” Full ownership โ€” frontend, backend, database, deployment โœ” Clean, scalable, maintainable code โœ” Clear communication & on-time delivery โœ” Long-term support after launch I treat your product like a business, not a ticket. Whether you're launching an MVP, scaling an existing app, or fixing something broken, I'll take it from first line of code to deployment. ๐Ÿ“ฉ Send me a message or invite me โ€” I respond quickly. โœ… Keywords: Full Stack Developer | Senior Full Stack Developer | SaaS Platform Developer | MERN Stack Developer | React.js Development | Next.js Development | Node.js Backend Development | TypeScript Applications | API Integration Specialist | Supabase Developer | PostgreSQL Developer | MongoDB Developer | JavaScript Expert | Dashboard & Admin Panel | Marketplace Developer | Internal Tools | Booking Systems | eCommerce Solutions | Performance Optimization | Ongoing Product Support

  • Full-Stack Development
  • React
  • Node.js
  • SaaS
  • API
  • AI Implementation
  • Back-End Development
  • Web Application Development
  • Front-End Development
  • Next.js
  • Tailwind CSS
  • ExpressJS
  • JavaScript
  • TypeScript
  • SQL
  • CSS
  • AI Chatbot
  • MERN Stack
  • Supabase
  • Firebase
jiang H.

Chengdu, China

$55/hr
5.0
6 jobs

We are a team with a strong foundation in computer networking, operating systems, data structures, and algorithms. Proficient in blockchain theories and technologies, including basic knowledge of blockchain, distributed systems, and smart contracts. Familiar with mainstream DeFi applications and business logic, such as decentralized exchanges (DEX), lending, stablecoins, etc. Skilled in using the Solidity language for Ethereum smart contract development, Knowledgeable in programming languages such as Node.js, Golang, and Rust. Proficient in the Linux operating system. โญ๏ธ Top Rated Team โญ๏ธ 8+ years of experience in web development โญ๏ธ 100% Job Success Score We bring expertise in blockchain technologies and a deep understanding of DeFi applications and smart contracts. Our team combines technical proficiency with practical experience to deliver high-quality solutions in the blockchain space. Our team would be glad to help you if you need the following: DEVELOPMENT: โœ… developing smart contracts on various blockchain platforms๏ผŒeg:EVM compatible Chain and Solana โœ… non-fungible tokens (NFTs) โœ… decentralized finance (DeFi) โœ… wallet connect integration โœ… layer2 OP stack or Polygon CDK โœ… deploy blockchain node โœ… smart contract audit. โœ… monitoring data on the chain, currently querying through Subgraph. โœ… cosmos && solana โœ… bitcoin mining && bitcoin mining pool && bitcoin wallet TOOLS: โšก Github โšก Notion โšก Trello We understand the importance of creating a seamless and enjoyable experience for users, and we're committed to working closely with you every step of the way. From concept to launch, we'll ensure that your vision is brought to life. Feel free to get in touch to discuss the best possible options to deliver your project. Let's work together!

  • Bitcoin
  • Linux System Administration
  • GitHub
  • Node.js
  • Golang
  • Solidity
  • Rust

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