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$45/hr
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Job Success
$600K+ earned
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🚀 Top 1% of Talent in 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & Technology Leadership
⚡ Building 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐬, enterprise platforms, SaaS solutions, and scalable digital ecosystems
🔧 Using modern AI tools including Cursor, Claude Code, GitHub Copilot, GPT-4/GPT-4o, and Claude Sonnet/Opus
🤖 Experienced in AI agents, LLM integrations, AI automation, and multi-agent development systems
🚀 Accelerating development with 𝐀𝐈-𝐚𝐬𝐬𝐢𝐬𝐭𝐞𝐝 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢, agentic coding, and automation-driven workflows
💻 𝐖𝐇𝐀𝐓 𝐘𝐎𝐔 𝐀𝐍𝐃 𝐘𝐎𝐔𝐑 𝐓𝐄𝐀𝐌 𝐆𝐄𝐓
Full-Stack Web Development Master's - high-performance web application development utilizing React, Node.js, and PHP to build scalable SaaS, FinTech, and Enterprise software.
AI & Automation Systems Innovators - custom LLM applications, RAG pipelines, and intelligent workflow automations seamlessly integrated into your infrastructure.
📊 𝐀𝐂𝐇𝐈𝐄𝐕𝐄𝐌𝐄𝐍𝐓𝐒 𝐈𝐍 𝐍𝐔𝐌𝐁𝐄𝐑𝐒 (𝐁𝐔𝐒𝐈𝐍𝐄𝐒𝐒 & 𝐒𝐘𝐒𝐓𝐄𝐌 𝐈𝐌𝐏𝐀𝐂𝐓)
25+ years, 50,000+ engineering hours, 200+ successful launches delivered as a Senior Full Stack Developer and tech leader across global industries.
◾ Full-Stack Web Development for Enterprise & SaaS Platforms:
Engineered and launched custom AI-powered SaaS platforms that scaled to millions of active users with 99.99% operational uptime.
Accelerated product development cycles by 40% by deploying optimized React component libraries and agile workflows.
Backend Architecture & API Engineering (Node.js & PHP):
Reduced server infrastructure costs by 50% by migrating legacy monoliths into scalable microservices using Node.js, NestJS, and PHP.
Optimized heavy data-processing pipelines, reducing database latency by 70% via tailored PostgreSQL, MongoDB, and MySQL schemas.
◾ AI App Development & Workflow Automation:
Developed and integrated proprietary OpenAI GPT, Claude, and Gemini models into operational CRMs, increasing client workflow efficiency by 180%.
Successfully deployed secure, HIPAA-compliant healthcare applications and high-security FinTech platforms with built-in Stripe / PayPal integrations.
🎯 𝐖𝐇𝐄𝐑𝐄 𝐖𝐄 𝐃𝐄𝐋𝐈𝐕𝐄𝐑 (𝐂𝐎𝐑𝐄 𝐄𝐗𝐏𝐄𝐑𝐓𝐈𝐒𝐄)
As a Full Stack Developer & Solution Architect: I handle the full cycle of Full-Stack Web Development, defining technical roadmaps, designing scalable web applications, and ensuring bulletproof cyber-security protocols.
As a Front-End Development Expert: Crafting pixel-perfect, highly responsive user interfaces using React, Next.js, TypeScript, Vue.js, and Angular to ensure maximum conversion rates and premium UX.
As a Back-End Development Authority: Designing ultra-fast APIs and core services with Node.js (Express/NestJS), PHP, Python (FastAPI/Django), and modern Serverless Stack architectures.
As a Cloud & DevOps Engineer: Implementing enterprise-grade cloud deployments via AWS, Google Cloud, and Azure, utilizing Docker, Kubernetes, and automated CI/CD pipelines.
🛠 𝐓𝐄𝐂𝐇 𝐒𝐓𝐀𝐂𝐊 & 𝐀𝐑𝐂𝐇𝐈𝐓𝐄𝐂𝐓𝐔𝐑𝐄 𝐄𝐂𝐎𝐒𝐘𝐒𝐓𝐄𝐌
Frontend Suite: React, Next.js, TypeScript, Tailwind CSS, Vue.js, Angular, Responsive Web Design.
Backend Core: Node.js, NestJS, Express.js, PHP, Python, FastAPI, Django.
Databases & Caching: PostgreSQL, MongoDB, MySQL, Redis.
APIs & Global Integrations: REST APIs, GraphQL, Webhooks, Stripe, PayPal, Twilio, SendGrid.
Cloud & DevOps Platform: AWS (Amazon Web Services), Google Cloud, Azure, Docker, Kubernetes, Jenkins, GitHub Actions CI/CD.
🧠 𝐃𝐄𝐄𝐏 𝐈𝐍𝐃𝐔𝐒𝐓𝐑𝐘 𝐄𝐗𝐏𝐄𝐑𝐈𝐄𝐍𝐂𝐄
AI & SaaS Startups: Rapid MVP development, RAG pipelines, AI chatbots, and predictive analytics tools.
FinTech & E-commerce: High-load payment gateways, customized checkout solutions, compliance, and ledger systems.
Healthcare & PropTech: Automated workflow systems, secure patient portals, CRM platforms, and real-time data visualization dashboards.
Enterprise Automation: Heavy B2B platforms, marketplaces, and cross-platform integrations.
⚡ 𝐇𝐎𝐖 𝐖𝐄 𝐖𝐎𝐑𝐊 𝐓𝐎𝐆𝐄𝐓𝐇𝐄𝐑
Strategic Discovery: As a CTO, I align your business goals, success metrics, and timeline constraints before writing a single line of code.
Architecture Blueprinting: We map out the core database schemas, React frontend components, and Node.js / PHP API flows to ensure long-term scalability.
Agile Iteration: Backed by the senior engineering powerhouse at Onix-Systems, we deliver high-velocity sprints with predictable, production-ready releases every 2 weeks.
DevOps & Launch: Secure deployment across AWS/GCP/Azure with ongoing tech partnership and proactive optimization based on product metrics.
Looking for a Senior Full Stack Developer and a Full-Stack Web Development team to turn your complex concept into a world-class, scalable web platform?
𝐋𝐞𝐭’𝐬 𝐜𝐨𝐧𝐧𝐞𝐜𝐭! Send over your project brief, scope, or existing codebase notes, and I’ll provide a high-level strategic roadmap for your next big launch. ☎️
Associated with
Onix-Systems, LLC
$30M+
earned
$50/hr
100%
Job Success
Offers consultations
Start of list.
End of list.
🥇 Top 1%
✅ Upwork Top Rated Plus
✅ Available US business hours (EST/PST).
🔥 Ready to build something great!
AI Integration, RAG Systems, Machine Learning APIs, Workflow Automation, Custom Web Apps. Python, React, Next.js, Java, Spring Boot, Node.js, Supabase.
I build AI-powered web applications and integrate AI into existing systems, chatbots, RAG pipelines, OpenAI/Claude API integrations, and automated workflows using n8n and Zapier. If you have a system that needs AI added to it, or an AI prototype that needs production-grade engineering, that’s what I do.
On the backend: Java/Spring Boot microservices, Node.js APIs, PostgreSQL, MongoDB, REST and GraphQL endpoints with proper error handling and monitoring. On the frontend: React and Next.js applications with auth, dashboards, and admin panels built on Supabase.
Recent work includes a referral management portal (Next.js + Supabase, role-based auth, automated notifications), social media automation bots (Pinterest/Instagram API + n8n workflows on DigitalOcean), and enterprise API support for production systems handling 500K+ monthly sales.
Available 30+ hrs/week. Fast turnaround, clean handoff documentation, and I respond within hours during US business days.
Umar A.
has worked
.
$15/hr
96%
Job Success
$70K+ earned
Available now
Start of list.
End of list.
Top Rated AI SaaS & Mobile App Developer with 7+ years of experience building scalable SaaS platforms, AI-powered applications, backend systems, and mobile apps for startups and growing businesses.
I mainly work with founders and businesses that need more than just a developer. A big part of my work involves improving existing systems, reducing technical debt, scaling backend architecture, integrating AI workflows, and helping teams ship features faster without compromising code quality.
I specialize in:
• AI SaaS Platforms
• Web & Mobile App Development
• AI Integrations & Automation
• SaaS Dashboards & Admin Panels
• Existing Codebase Optimization
• AWS Serverless Applications
• Real-Time Systems & WebSockets
• MVP Development & Product Scaling
Tech Stack:
• Next.js, React.js, React Native
• Node.js, NestJS, Express.js
• Laravel, PHP
• MongoDB, MySQL, PostgreSQL
• AWS Lambda, API Gateway, S3
• REST APIs, WebSockets, OAuth, JWT
• Stripe Subscription Systems
• OpenAI, ChatGPT API, AI Workflows
I’ve worked on SaaS dashboards, AI-assisted workflows, real-time systems, subscription platforms, chat systems, scalable backend architectures, and long-term production applications. I also regularly help clients with bug fixing, backend cleanup, authentication systems, API integrations, and performance optimization for existing applications.
My focus is always on building stable, scalable, and maintainable systems that support long-term business growth instead of short-term quick fixes.
I also use modern AI-assisted development tools like Cursor, Claude Code, and Copilot to improve development speed while keeping the architecture clean and production-ready.
Why clients work with me:
• Top Rated Upwork freelancer
• Clean and scalable architecture
• Fast communication and reliable delivery
• Long-term technical support
• Business-focused problem solving
• Production-ready development approach
If you’re building an AI-enabled SaaS platform, scalable backend system, web application, or mobile app, feel free to reach out.
Ajay K.
has worked
.
$10/hr
94%
Job Success
$30K+ earned
Start of list.
End of list.
Hi I am Amanpreet, Higly skilled Full-Stack Developer proficient in React.js, Next.js, Node.js, and TypeScript, delivering production-ready solutions for modern web, SaaS projects for over 10 years now.
I deliver scalable solutions, along with pixel-perfect UI design and smooth animations using React and Next.js.
I will build scalable, high-performance web applications tailored to your vision.
Full Stack Developer | MERN Stack | API | Javascript | React Developer | Front, Back End
What I Offer:
🔹Front-End Development
React.js, Next.js, TypeScript, JavaScript ES6+
Tailwind CSS, Bootstrap, Material-UI, ShadCN UI
Responsive Layouts (Mobile-First, Adaptive)
HTML5, CSS3, SCSS/SASS, Media Queries
Redux Toolkit, Zustand, Context API
Firebase (Realtime DB, Auth), Supabase
Webpack, Vite, SEO-optimized SSR/ISR, UI/UX Design
🔹 Back-End Development
Node.js, Nest.js, Express.js, Next.js API routes
MongoDB, PostgreSQL, MySQL
Authentication (JWT, OAuth), Role-Based Access
Stripe, PayPal, and other third-party integrations
AWS (Lambda, S3), Docker, CI/CD (GitHub Actions, Heroku)
WebSockets, Socket.IO for real-time features
Prisma, TypeORM, Mongoose
🔹 Databases
MySQL, PostgreSQL, MongoDB, Firebase, Supabase
Database Design, Optimization & Security
🔹 API Integration & Development
Stripe, PayPal, Twilio, Google Maps, Facebook, ChatGPT, SendGrid, etc.
Custom API Development & Third-party API Integration
🔹 DevOps & Cloud
AWS, GCP, Azure, Digital Ocean, Vercel
CI/CD, GitHub Actions, Laravel Forge, Docker, Kubernetes
🔹 UI/UX & Design Tools
Figma, Adobe XD, Photoshop, Illustrator
UX Wireframing, Mobile & Web Design
🔹 QA & Testing
Software Testing (Manual & Automated)
Test-Driven Development (TDD), Performance Optimization
💡 Industries & Projects:
E-commerce platforms with payment & inventory integration
SaaS tools and admin dashboards with real-time data
FinTech solutions, booking systems, and marketplaces
Custom web apps, landing pages, and interactive interfaces
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🔹My Client Reviews:
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➡️"The freelancer was exceptional. they were punctual, knowledgeable and helped manage everything related to the project. I had completed projects with them in the past and we were working on several more projects when my business went through bankruptcy and was forced to shut down our operations."
➡️"Another fine job completed successfully by aman preet, thank you again we will be in touch!"
➡️"A pleasure to work with. I have made these guys my number one agency to work with."
➡️"Great to work with, knowledgeable, worked to timelines and communicated well. Would definitely work with Aman again, ended up paying double as quality of work was as desired!"
🔹 Why Choose Me:
2300+ Upwork hours with a 91% Job Success Score
Strong problem-solving, detail-oriented, and product-focused approach
Full-time availability (40+ hrs/week)
Clear communication, timely delivery, and reliable updates
What I Offer:
✅ Custom full-stack web app development
✅ Frontend & backend development with latest frameworks
✅ Website redesign & optimization
✅ API development & third-party integration
✅ E-commerce, CRM, SaaS platforms, Admin dashboards
✅ Database design, migration, and optimization
✅ Cloud deployment and CI/CD setup
✅ Ongoing maintenance, updates & scaling
Much More.
Let’s connect - happy to jump on a quick call to discuss.
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Keywords
React, Node.js, Next.js, SaaS Development, Microservices, Full-Stack Developer, Web App Development, Scalable APIs, Responsive Design, MongoDB, SQL, Tailwind, E-commerce Development, JavaScript, TypeScript, Clean Code, Agile Development, Cross-Platform Solutions, Full-Stack Engineer, MVP Development, Performance Optimization, API Integration, Frontend Engineer, Backend Specialist, Front-End Development, Website, Responsive Design, ReactJS, Next.JS, TypeScript, HTML5, CSS3, SCSS, SASS, Bootstrap, Material-UI, Webpack, Ant Design, Angular2+, JavaScript, Tailwind CSS, GraphQL, Redux, React Bootstrap, Website Redesign, Web Application, Ecommerce Website, Figma, Performance Optimization, UX/UI Design, Back-End Development, Mobile App Development, MERN stack, MongoDB, Express.js, React.js, Node.js, Nest.js, Next.js, API design, SQL, PostgreSQL, Amazon Web Services, DynamoDB, S3, EC2, Firebase Distribution, TestFlight, RESTful APIs, cloud platforms, AWS, Azure, Websockets, Charts, 3D visualization, Third-party APIs, Stripe, Twilio, Google Maps, Socket.IO, Design Expertise, Software Development, Web App Development, Development, GraphQL, MapBox, Core Bluetooth, HealthKit, CloudKit, GameplayKit, Firebase Realtime Database, Redis, Firebase Cloud Firestore, SQLite, Smartphone, Tablet, SendGrid, REST API, ExpressJS, Material Design, App Store, Google Play Store, Push Notifications, JSON, Mobile SDK, Payments, Security, Data Privacy, Offline Support, Natural Language Processing, NLP, Computer Vision, Robotics, Algorithms, Data Analysis, Big Data Processing
aman P.
has worked
.
Associated with
A1 Professionals Inc.
$2M+
earned
$20/hr
100%
Job Success
Available now
Offers consultations
Start of list.
End of list.
I’m 𝗞𝗮𝘀𝗵𝗶𝗳 𝗧𝗮𝗿𝗶𝗾, a 𝗧𝗼𝗽 𝟭% AI-driven 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗦𝗵𝗼𝗽𝗶𝗳𝘆 with over 𝟭𝟬 𝘆𝗲𝗮𝗿𝘀 of experience. I’ve delivered 𝗵𝗶𝗴𝗵-𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗦𝗮𝗮𝗦 and 𝗔𝗜-𝗽𝗼𝘄𝗲𝗿𝗲𝗱 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝐧𝐬.
𝗛𝗲𝗮𝗱𝗹𝗲𝘀𝘀 𝗦𝗵𝗼𝗽𝗶𝗳𝘆 | 𝗦𝗵𝗼𝗽𝗶𝗳𝘆 𝗣𝗹𝘂𝘀 | 𝗦𝗵𝗼𝗽𝗶𝗳𝘆 𝗛𝘆𝗱𝗿𝗼𝗴𝗲𝗻 | 𝗡𝗲𝘅𝘁.𝗷𝘀 | 𝗦𝘁𝗼𝗿𝗲𝗳𝗿𝗼𝗻𝘁 𝗔𝗣𝗜 | 𝗔𝗱𝗺𝗶𝗻 𝗔𝗣𝗜 | 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 𝗟𝗶𝗾𝘂𝗶𝗱 𝗘𝘅𝗽𝗲𝗿𝘁 | 𝗖𝗥𝗢 & 𝗦𝗘𝗢 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘀𝘁 | 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀 | 𝗡𝗼𝗱𝗲.𝗷𝘀 | 𝗡𝗲𝘀𝘁.𝗷𝘀 | 𝗧𝘆𝗽𝗲𝗦𝗰𝗿𝗶𝗽𝘁 | 𝗣𝘆𝘁𝗵𝗼𝗻 | 𝗙𝗮𝘀𝘁𝗔𝗣𝗜 | 𝗗𝗷𝗮𝗻𝗴𝗼 | 𝗥𝘂𝗯𝘆 𝗼𝗻 𝗥𝗮𝗶𝗹𝘀 | 𝗧𝘄𝗶𝗹𝗶𝗼 𝗔𝗣𝗜 | 𝗔𝗜 𝗔𝗴𝗲𝗻𝘁𝘀 | 𝗥𝗔𝗚 | 𝗻𝟴𝗻 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻
With a track record of completing over 100+ projects, I specialize in Shopify, Ruby on Rails, and Python, ensuring scalable, stable, and high-performance
✅ Cursor – AI-powered IDE for rapid coding
✅ ClaudeCode with MCP – Smart, Agent-Driven Code Assistance
✅ Replit – AI agent for accelerated development
✅ Lovable.dev – AI agent for accelerated development
✅ GitHub Copilot – Intelligent code assistance
✅ Google Antigravity - AI Assisted Development
🧩𝗪𝗛𝗔𝗧 𝗜 𝗗O
🚀 𝗦𝘁𝗿𝗲𝗻𝗴𝘁𝗵𝘀 & 𝗦𝗸𝗶𝗹𝗹𝘀:
✅ Shopify developer in e-commerce development: Shopify |Shopify Developer Shopify Plus | Shopify Designer / Developer (Liquid, page builder, apps)|Shopify Dev|Shopify Site Migration
Shopify templates|Shopify Frontend Developer|
✅ Web Development: React | Next.js |
𝘼𝙄 𝘼𝙜𝙚𝙣𝙩𝙨: 𝙈𝙪𝙡𝙩𝙞-𝙖𝙜𝙚𝙣𝙩 𝙖𝙧𝙘𝙝𝙞𝙩𝙚𝙘𝙩𝙪𝙧𝙚𝙨, 𝙍𝘼𝙂 𝙥𝙞𝙥𝙚𝙡𝙞𝙣𝙚𝙨, 𝙘𝙪𝙨𝙩𝙤𝙢 𝙇𝙇𝙈 𝙞𝙣𝙩𝙚𝙜𝙧𝙖𝙩𝙞𝙤𝙣𝙨
Voice Agents: STT/TTS systems with real-time orchestration
Automation: n8n workflows, Zapier integrations, custom Python scripts
Business Process Automation: CRM integration, Task automation, Workflow optimization
Think chatbots that actually help, voice agents that don't sound robotic, and automation that replaces manual busywork.
🔧 Technical Stack
Area Technologies
Backend Node.js, Nest.js, Ruby on Rails, Python, FastAPI,
Frontend React, TypeScript
AI/ML LLMs, RAG, Multi-agent systems, Voice AI
Automation n8n, Zapier, Custom Python scripts
APIs REST, GraphQL
Clou .AWS, Azure, GCP, Replit
DevOps CI/CD, Microservices, Containerization
Twilio For Messaging
Build AI Phone Voice Bot (Twilio + OpenAI + ElevenLabs)
📦 Example Projects
SaaS Platforms: Full-stack applications with React frontends and Node.js/Python backends
AI Voice Agents: Customer support automation with real-time speech processing
Why Clients Choose Me:
✔ 100% on-time delivery – Proven track record of delivering projects efficiently
✔ Detail-Oriented Approach – Focus on the last 20% that drives 80% of results
✔ Scalability & Performance – Expertise in cloud-native, microservices, API-driven, and AI/ML-based applications
✔ Full Lifecycle Development – From MVP to enterprise-grade sol
Full-Stack Development:
✔ Web & Mobile Apps | SaaS | MVP Development | AI Agents | CMS | AI Bots | Automation Workflows | AI Agent Development | AI Integrations
AI & Machine Learning:
✔ AI SaaS Apps | AI Agents | NLP | Data Analytics | Generative AI | OpenAI, Claude, Gemini | LanChain | n8n | AI Agent Development | AI Integrations | TensorFlow | PyTorch | Hugging Face | SageMaker
Frontend: Next.js, React.js, Vue.js, Angular js,TypeScript, Tailwind CSS
Backend: Node.js, Python,Ruby on Rails Django, Laravel, NestJS, Express.js, FastAPI, GraphQL, Flask
Mobile: React Native, Flutter
Databases: MySQL, MongoDB, PostgreSQL, Pinecone,Supabase
Cloud & DevOps: AWS (Lambda, EC2, S3, Kubernetes), Docker, Nginx, Firebase
Hands-on experience using AI-assisted / vibe coding tools (Replit, Cursor, Vercel, AWS, Supabase, etc.) and traditional development workflows.
Keywords: AI Developer, AI Engineer, Ruby on Rails AI SaaS Developer, Generative AI Developer, AI Agent Developer, ChatGPT Developer, Claude AI Developer, MCP Developer, Cursor AI Developer, LangChain Developer, LLM Apps Developer, AI Automation Expert, AI Workflow Automation, Custom AI Platforms, AI Integrations, Python AI Developer, Node.js AI Developer, Next.js AI Developer, React AI Developer, AI Chatbot Developer, AI MVP Development, SaaS Developer, Full Stack AI Developer, AI in FinTech, AI in Healthcare, AI Consultant, Ruby on Rails Developer, AI Prototyping Expert, n8n Automation Developer, OpenAI API Developer, Claude API Integrations, TensorFlow Developer, FastAPI AI Developer, Django AI Developer, AI Product Developer, Python Developer, Full Stack Developer
ShopifyExpert #Shopify, #Shopify Plus, #Shopify Development, #Shopify App Development, #Shopify Theme Customization, #Liquid, #HTML, #CSS, #JavaScript, #Node.js, #React, #API Integration, #REST API, #GraphQL, #Shopify Flow, #Shopify Speed Optimization #Shopify #ShopifyStoreDesign #ShopifyDeveloper #ShopifyWebsiteDesigner #ShopifyWebsiteDesign #ShopifyDesigner#twilio
Kashif T.
has worked
.
$45/hr
100%
Job Success
$100K+ earned
Available now
Offers consultations
Start of list.
End of list.
Shopify Partner. 200+ completed projects, 100% Job Success, Top Rated. I find exactly where your store is losing revenue — then design and build the fix.
We are a full-pipeline Shopify development unit built to eliminate friction. We handle everything from strategic CRO audits and high-converting UI/UX designs to clean, custom Liquid code. Because we operate as a single team, there are zero handoff gaps between your business strategy, the creative design, and the final code.
CRO audit → conversion-focused UI/UX design → clean Liquid development. One team, zero handoff gaps between strategy, design, and code.
🏆 INDUSTRIES WE'VE WORKED IN:
👗 Fashion & Apparel — Stone Rose, IsMyLova, FocusedFits, Eternal Brand Store, Maccapani: mobile-first PDP redesigns, purchase flow optimization, and Shopify Plus architecture for DTC clothing brands.
💄 Beauty & Skincare — PetaJane Beauty, Organic Ceutical, Lux Perfume: conversion-focused design and development for high-consideration beauty brands where trust signals and product detail pages drive add-to-cart.
💎 Luxury & Wedding — The Homage Collection, The Bridal Gallery: Shopify Plus custom checkout architecture, high-fidelity Figma systems, and premium brand experiences for high-AOV stores.
💍 Jewelry & Accessories — RARA Jewelry, Gov Shades: high-AOV storefronts where mobile UX and visual trust are the primary conversion levers.
🌿 Wellness & Lifestyle — Treat Therapeutics, Dr. Tom, Ninja Fruits: subscription-based and wellness brands with complex, content-heavy product pages and custom Shopify flows.
⚙️ HOW WE WORK:
Every engagement starts with data — GA4 funnel analysis, Hotjar session recordings, checkout drop-off mapping. Before a single Figma frame or line of code, we know exactly where your store is losing money and why.
Then my team executes: pixel-perfect Figma designs + clean Liquid development + full QA. You get one project manager (me), one designer, one developer — aligned from day one, accountable end to end.
🛠 TECH STACK:
Shopify (Online Store 2.0, Checkout Extensibility, Shopify Plus, Liquid, Shopify CLI) · Figma · GA4 · Hotjar · Klaviyo · Rebuy · PageFly · JavaScript · React · Next.js
Specialties: CRO audits · Shopify Plus architecture · custom Liquid development · B2B wholesale · platform migrations (WooCommerce, Magento, Webflow → Shopify) · Checkout Extensibility · headless commerce · custom Shopify apps
──────────────────────────────
Running a Shopify store and want to know exactly where you're losing revenue? Send me your URL — I'll share my first observations within 12 hours.
Ivan T.
has worked
.
Associated with
SPLIT Development
$700K+
earned
$10/hr
91%
Job Success
$100K+ earned
Available now
Start of list.
End of list.
Mobile apps rarely fail at launch. They fail when they scale, break, or stop delivering value to users.
***That is where the real work begins***
I work with startups and businesses to build mobile applications that are not just launched, but are stable, scalable, and built to perform under real user demand. From idea to App Store and Google Play, the focus stays on reliability, speed, and long-term usability.
Over the past 10+ years, I have delivered 50+ mobile apps across iOS and Android, covering everything from early-stage MVPs to production-scale platforms used by growing user bases.
🔹Technology Stack:
- Mobile Apps: React Native, iOS (Swift, SwiftUI), Android (Kotlin, Java), Flutter
- AI/ML: ChatGPT, GPT-4o, Claude, RAG, NLP
- Backend: Node.js, Python, Firebase, REST APIs
- Cloud & Database: AWS, Google Cloud, MySQL, MongoDB
- UI/UX Design: Figma, Adobe XD
Important Note: All discussed ideas and project details are protected under a strict NDA.
🏆𝗔𝗰𝗵𝗶𝗲𝘃𝗲𝗺𝗲𝗻𝘁𝘀:
- 10+ Years of Experience in mobile app development
- 50+ Successful App Launches on App Store & Google Play
- Fluent English & Client-Verified Communication Skills
- 𝐂𝐥𝐢𝐞𝐧𝐭-𝐅𝐢𝐫𝐬𝐭 Philosophy: Quality, Satisfaction & Long-Term Partnerships
🌐 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐲 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞:-
𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩𝐬: Dating Apps | Taxi Booking | Food Delivery | Health & Fitness | Education | E-commerce | Social Chat Apps | Music | Restaurant Apps
🔹𝐒𝐤𝐢𝐥𝐥𝐬 & 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞:-
- AI & Chatbots: ChatGPT, OpenAI, AI-powered real-time chat
- Backend & APIs: Node.js, Python, Firebase, REST API integration
- Payments & Subscriptions: PayPal, Stripe, Razorpay, Google Pay, Apple Pay, In-App Purchases
- Real-time & Media: Chat, Audio/Video Calls, Live Streaming
- Location Services: Google Maps, Real-time Tracking, Geolocation
- App Deployment: App Store & Play Store
- AI and Chatbot Development: AI-powered chat, ChatGPT, OpenAI, Gemini, Deepseek, Replit, n8n
🔹𝐂𝐎𝐍𝐒𝐔𝐋𝐓𝐀𝐓𝐈𝐎𝐍 –
• The best technology stack
• App architecture & scalability strategies
• Cost & timeline estimates tailored to your needs
• Solutions for API integration, UI/UX, real-time features, and more
Message me now to schedule a consultation!
#MobileAppDeveloper #MobileAppDevelopment #AppDevelopment #iOSAppDevelopment #AndroidAppDevelopment #NativeAppDevelopment #CrossPlatformDevelopment #Flutter #ReactNative #Swift #Kotlin #Java #SwiftUI #AndroidSDK #Dart #APIIntegration #RESTAPIs #BackendDevelopment #Firebase #NodeJS #CloudServices #UIUXDesign #PushNotifications #RealTimeChat #InAppPurchases #PaymentGatewayIntegration #LocationServices #AppStoreDeployment #PlayStoreDeployment #AppOptimization #PerformanceTuning #AIIntegration #ChatGPTAPI #MachineLearningMobile #ARMobileApps #EcommerceApp #SocialAppDevelopment #FinTechMobile #HealthTechApp #OnDemandApps
Manjeet K.
has worked
.
Associated with
Techwin Labs LLP
$60/hr
100%
Job Success
$100K+ earned
Available now
Offers consultations
Start of list.
End of list.
As a forward-thinking Senior Engineer and Team Leader with over two decades of experience, I work as a full stack developer specializing in Video Streaming and real-time communication solutions based on WebRTC. I combine strong architecture thinking with hands-on delivery, acting both as a technical leader and a practical full stack web developer who understands real product needs and builds scalable WebRTC-powered systems.
Today, my focus as a full stack developer includes the strategic application of advanced AI technologies alongside WebRTC-based real-time communication platforms. I actively work with OpenAI APIs, Whisper for speech recognition, LLaMA2 for open-source large language models, and LangChain for building AI-driven workflows. This positions me as a full stack developer AI who can integrate intelligence directly into real-world WebRTC video and streaming products.
Throughout my career as a full stack developer, I’ve contributed to Telemedicine, Online Education, and Real-time Entertainment by building WebRTC-powered communication platforms. I’ve led teams delivering webinar platforms, live chat systems, and complex real-time applications, acting both as a senior web developer and system architect who ensures scalability, security, and long-term maintainability for WebRTC infrastructures.
In AI-focused projects, I operate as a full stack developer who bridges data, logic, and user experience inside WebRTC-enabled applications. My team and I integrate conversational AI, speech-to-text, and knowledge-driven systems using OpenAI, Whisper, and LLaMA2. With LangChain, we design intelligent pipelines that automate workflows and data processing, enhancing WebRTC communication platforms with AI-driven capabilities.
WebRTC remains a core part of my work as a full stack developer, especially for building high-performance real-time systems. We design everything from low-latency WebRTC infrastructure to complete applications, delivering solutions that work seamlessly across web and mobile. This includes building scalable video streaming app architectures capable of handling thousands of concurrent users through WebRTC.
As a full stack developer, I also provide consulting and development services across North America and Europe, helping companies design and build WebRTC-based video communication platforms. I work with companies in Entertainment, E-Learning, Healthcare, and Finance. Depending on project needs, I act as a React developer, Wordpress developer, or mobile app developer while implementing scalable WebRTC solutions.
Our services as a full stack developer team include system architecture, UI/UX design, and custom development of WebRTC streaming and real-time communication platforms. We build modern interfaces, robust back-ends, and real-time systems, including secure WebRTC video stream delivery for live and on-demand use cases.
We have worked with most of the major Webinar and Online Education platforms on the market, delivering solutions as a full stack developer team that understands both the business and technical sides of WebRTC video streaming products. We frequently modernize existing platforms and migrate legacy systems to scalable cloud-based architectures built around WebRTC technologies.
As a full stack developer, I’ve led the creation of webinar systems, live chat apps, WebRTC video conferencing platforms, real-time video auctions, messengers, e-learning platforms, telemedicine solutions, dating apps, Twitch-like platforms, TikTok-style apps, VoD systems, and live shopping platforms. Many of these solutions rely on modern stacks including full stack developer React and full stack Lavarel approaches integrated with WebRTC.
Beyond development, I support clients as a full stack developer with load testing and performance optimization for large-scale WebRTC streaming systems. My background across front-end, back-end, databases, and cloud platforms allows me to lead projects end-to-end and deliver reliable, production-ready WebRTC platforms.
I invite you to collaborate with me as a full stack developer who understands AI, WebRTC, and scalable real-time product development. Together, we can build innovative WebRTC-powered solutions that align with your business goals and grow with your users.
Stanislav Z.
has worked
.
Associated with
Trembit
$6K+
earned
$25/hr
99%
Job Success
$200K+ earned
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🚀 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐌𝐄𝐑𝐍 | 𝐍𝐨𝐝𝐞.𝐉𝐒 | 𝐑𝐞𝐚𝐜𝐭 | 𝐕𝐮𝐞 | 𝐑𝐞𝐚𝐜𝐭 𝐍𝐚𝐭𝐢𝐯𝐞 | 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 | 𝐅𝐥𝐮𝐭𝐭𝐞𝐫𝐅𝐥𝐨𝐰 | 𝐒𝐰𝐢𝐟𝐭 | 𝐏𝐲𝐭𝐡𝐨𝐧 | .𝐍𝐄𝐓 | 𝐏𝐇𝐏 | 𝐋𝐚𝐫𝐚𝐯𝐞𝐥 | 𝐀𝐏𝐈 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐬𝐭 | 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐖𝐞𝐛 𝐀𝐩𝐩𝐬 | 𝟏1+ 𝐘𝐞𝐚𝐫𝐬 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞
I am a highly skilled Technological Generalist with over 11 years of experience in building dynamic and Web & Mobile applications. My expertise spans modern technologies such as MERN, Node, Nest, React, Next.js, Vue.js, Nuxt.js, Laravel, PHP, React Native, Flutter, FlutterFlow, Swift, Python and .NET enabling me to deliver robust solutions tailored to meet client needs.
🤝 𝐏𝐚𝐫𝐭𝐧𝐞𝐫𝐬𝐡𝐢𝐩
I am working within an "𝐎𝐟𝐟𝐢𝐜𝐢𝐚𝐥 𝐋𝐚𝐫𝐚𝐯𝐞𝐥 𝐏𝐚𝐫𝐭𝐧𝐞𝐫 𝐀𝐠𝐞𝐧𝐜𝐲", combining hands-on expertise with partner-backed development standards.
My main objective is to ensure customer satisfaction through high-quality work and effective communication. I have successfully executed numerous international projects, demonstrating my ability to manage the entire web development (building dynamic and responsive web applications) and Mobile app Development process from planning and implementation to deployment and support.
🌐 𝐀𝐛𝐨𝐮𝐭 𝐂𝐨𝐝𝐞𝐫𝐊𝐮𝐛𝐞 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬
CoderKube Technologies is a professional software company having more than 12 years of Web & Mobile development experience with 1800+ satisfied customers, 1M USD earnings and 100% 5-Star ratings. Our professionals are the best in the industry and are updated with the latest technology. Listing some of our expertise below :
💡 𝐖𝐡𝐚𝐭 we 𝐎𝐟𝐟𝐞𝐫
- 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: React.js, Next.js, Vue.js, Nuxt.js, Angular, TypeScript, Material UI, Tailwind CSS, HTML, CSS, JavaScript
- 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Node.js, Nest.js, Express.js, Python, .NET, Firebase, Supabase, PHP, Laravel, API Development, Database Management (MySQL, MongoDB)
- 𝐂𝐌𝐒: Wordpress, WebFlow, Shopify, Wordpress Theme Creation, Shopify App
- 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: React Native, Flutter, FlutterFlow, Java, Kotlin, Swift
- 𝐄-𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Plugin Development/Customization, Theme Development/Customization, Payment Gateway Integration, Store Creation, Cart Customization
- 𝐂𝐥𝐨𝐮𝐝 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: AWS (EC2, Lightsail, Lamda), GCP, Microsoft Azure, Hostinger, SiteGround
- 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭: Strong communication skills, self-motivation, ability to inspire teams, and a proven track record of delivering projects on schedule and within scope.
🏆 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬
✅ Rewarded as 🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 𝗣𝗟𝗨𝗦 🏆 by Upwork (𝗧𝗼𝗽 𝟯%)
✅ 50000+ hours and still counting
✅ 2500+ jobs completed successfully
✅ 100% Job Success (Client Satisfaction Ratio)
✅ 90% Clients Recommended to work with Coderkube
✅ 88% Long-term Repeat Clients
✅ 11+ Years Of Experience
✅ High-Quality Work
✅ Cost-Effective
✅ Fluent English Verified
💼 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗦𝗲𝗿𝘃𝗲𝗱
E-commerce, Streaming & Audio, Real Estate, Wellness & Coaching, Event & Booking, Legal Services, On-demand services, Healthcare, Transport & Logistics, Fintech / Banking, Food Delivery, Fitness & Wellness, E-Commerce, Marketplace, Navigation & Travel, Education / E-Learning, Media & Entertainment, Automotive, Hospitality, Lifestyle, Fashion, and Advertising, Ride Booking | Social & Dating
🗺️ 𝐂𝐥𝐢𝐞𝐧𝐭 𝐓𝐞𝐬𝐭𝐢𝐦𝐨𝐧𝐢𝐚𝐥𝐬
- "Great work! Delivered on time and exceeded expectations."
- "Excellent communication and technical skills. Highly recommend!"
- "Adnan's expertise and problem-solving skills were invaluable, and he went above and beyond to ensure everything ran smoothly. I would highly recommend Adnan to anyone looking to elevate their project with a skilled and reliable developer!"
📌 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀
Website Development, Web Application Development, SaaS Application Development, Responsive Design, FullStack Development, Front End Development, Back End Development, UI/UX Design, Payment Gateway Integration, API Development, API Integration, QA, Unit Testing, Twilio API, Amazon Web Services, MERN Stack, React, Node, App Development, Native Android App Development, Native iOS App Development, Flutter Cross-Platform App Development, FlutterFlow Development, Phone, Firebase, Prototype, RESTful API, User authentication, User profile creation, Phone, Android App, Android, Ecommerce App Development, Ride Booking App Development, 3rd Party SDK Integration, Realm Database, SQLite, MySQL, Firebase Cloud Firestore, Firebase Realtime Database, Kotlin, Swift, Java, Dart, SwiftUI, Mapbox, HealthKit, Alamofire, Google Analytics, AI, Chat-GPT, React Native, FlutterFlow, Real Estate, Ecommerce Store, Healthcare, Fleet Management, Booking, Theme development, Theme Customization
If you’d like to get in touch, please use the contact buttons at the top of the page.
Kind regards,
Moin Pochi
Moin P.
has worked
.
Associated with
CoderKube Technologies Top Rated PLUS WordPress Shopify Mobile Application PHP WooCommerce and AI Software Development Agency
$1M+
earned
$25/hr
100%
Job Success
$900K+ earned
Available now
Offers consultations
Start of list.
End of list.
I am a Full Stack Developer with more than 12 years of experience building SaaS platforms, AI-powered applications, healthcare software, CRM systems, ERP solutions, enterprise web applications, MERN Stack applications, and MEAN Stack applications.
As a Full Stack Developer, I specialize in React.js, Angular, Node.js, Express.js, MongoDB, Python, Django, Flask, FastAPI, Laravel, Java, Spring Boot, AWS, PostgreSQL, MySQL, Docker, Kubernetes, and modern cloud-native architectures.
PROVEN TRACK RECORD
✅ Full Stack Developer with 36,000+ Upwork hours
✅ $900K+ earnings
✅ 100% Job Success Score
✅ Expert-Vetted Badge
✅ MERN Stack & MEAN Stack Development
Over the years, I have worked as a Full Stack Developer building scalable SaaS platforms, healthcare applications, enterprise dashboards, marketplaces, HRMS systems, inventory management systems, CRM platforms, ERP software, and AI-powered applications. Many clients hire me as a Full Stack Developer to take products from idea to production with clean architecture, scalable code, and long-term maintainability.
As a Full Stack Developer, I build modern web applications using React.js, Next.js, Angular, TypeScript, JavaScript, Tailwind CSS, and Material UI. I also specialize in MERN Stack Development and MEAN Stack Development, building scalable applications using MongoDB, Express.js, React.js or Angular, and Node.js.
As a Full Stack Developer, I develop secure backend systems, REST APIs, GraphQL services, microservices, automation platforms, AI-powered applications, and cloud-native solutions using Node.js, Express.js, Python, Django, Flask, FastAPI, Laravel, and Java Spring Boot.
Healthcare software development is one of my strongest areas of expertise. As a Full Stack Developer, I have built HIPAA-compliant healthcare applications, Electronic Medical Records (EMR), Electronic Health Records (EHR), Patient Portals, Telemedicine Platforms, Medical Billing Systems, Healthcare Dashboards, and AI-powered healthcare solutions using AWS HealthLake, DynamoDB, and modern cloud technologies.
I also work as an AI Full Stack Developer, integrating OpenAI, Claude, Retrieval-Augmented Generation (RAG), intelligent document processing, AI chatbots, workflow automation, and custom LLM-based solutions into modern SaaS platforms and enterprise applications.
Whether you need a Full Stack Developer for a SaaS platform, a MERN Stack Developer, a MEAN Stack Developer, healthcare software, CRM, ERP, AI-powered solutions, or enterprise web applications, I can help transform your idea into a secure, scalable, and production-ready product.
### Technical Skills
#### 🧠 Frontend Development
Full Stack Development
MERN Stack Development
MEAN Stack Development
React.js
Next.js
Angular (2+ to Latest)
JavaScript (ES6+)
TypeScript
RxJS
HTML5
CSS3
SCSS
Tailwind CSS
Material UI (MUI)
Angular Material
Kendo UI
Responsive Web Design
State Management (NgRx, Redux, Context API)
REST API Integration
GraphQL Integration
Forms, Routing, Authentication & Validation
Jest
Karma
Jasmine
Cypress
Protractor
Puppeteer
#### 🤖 AI & Automation
OpenAI API
Claude API
AI Integration
Retrieval-Augmented Generation (RAG)
AI Chatbots
Intelligent Document Processing
Workflow Automation
Prompt Engineering
#### ⚙️ Backend & Full Stack Development
Node.js
Express.js
NestJS
Python
Django
Flask
FastAPI
PHP
Laravel
Java
Spring Boot
REST API Development
GraphQL
Microservices
Event-Driven Architecture
WebSockets
SocketIO
ETL Pipelines
Test-Driven Development (TDD)
#### 🗄️ Databases
PostgreSQL
MySQL
MongoDB
SQL Server
Firebase
Firestore
DynamoDB
Amazon HealthLake
#### ☁️ Cloud & DevOps
AWS (EC2, S3, Lambda, DynamoDB)
Microsoft Azure
Google Cloud Platform (GCP)
Docker
Kubernetes
CI/CD Pipelines
Azure DevOps
DigitalOcean
#### 🤖 AI & Automation
OpenAI API
Claude API
AI Integration
Retrieval-Augmented Generation (RAG)
AI Chatbots
Intelligent Document Processing
Workflow Automation
Prompt Engineering
#### 🛠️ Tools
Git
GitHub
GitLab
Bitbucket
Jira
Trello
Asana
Azure DevOps
𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀:
Full Stack Developer | Full Stack SaaS Developer | SaaS Application Development | .NET Developer | .NET Core Developer | React Developer | Node.js Developer | Full Stack Developer | Angular Developer | Full Stack Developer | Next.js Developer | NestJS Developer | Full MERN Stack Developer | Full MEAN Stack Developer | Full PERN Stack Developer | Full Stack Developer | MongoDB | Cloud Engineer | Full Stack Developer | API Developer | API Integration | API Development | Azure | AWS | Google Cloud | REST API | Microservices | DevOps | CI/CD | GraphQL | AI Specialist | Full Stack Developer | AI-Integrated Solutions | ChatGPT
Rushit V.
has worked
.