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$40/hr
99%
Job Success
$3M+ earned
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Manish G.
has worked
.
As an Expert-Vetted (Top 1% Upwork Talent) strategist with 25+ years of industry leadership, I specialize in AI-driven development ecosystems. I lead ChicMic Studios, a premier studio where we bridge the gap between visionary concepts and high-stakes enterprise reality. We don't just build applications; we architect intelligent, scalable ecosystems that define industry standards.
In today's landscape, development must be AI-First. I provide the strategic leadership to integrate agentic workflows, machine-to-machine economies, and decentralized Web3 architecture into your core business model.
Notable Highlights:
Scale & Trust: Successfully overseen 2000+ projects with a team of 150+ experts.
Enterprise Pedigree: Trusted partner for Fortune 500s including Microsoft, Samsung, P&G, and high-growth leaders like Swiggy.
AI-Native Infrastructure: Expert in integrating LLMs, agentic process automation, and RAG systems into enterprise workflows.
Gaming & Metaverse Powerhouse: Award-winning expertise in Unreal Engine 5, Unity, and Roblox, creating immersive worlds for millions of players.
Operational Excellence: Agile-led delivery with a focus on rigorous coding standards and SOC2-level security.
Our Pillars of Innovation:
Enterprise AI: Agentic workflows, custom LLM integration, and autonomous business process automation.
Gaming & Social Platforms: High-fidelity multiplayer builds (UE5/Unity) and branded Roblox experiences for the next generation of digital consumers.
Web3 & Blockchain: Smart contract architecture, x402 protocol integration, and decentralized identity.
Mobile & Web: Scalable, high-concurrency platforms designed for maximum ROI and global reach.
What Clients Say:
"Great team! We could rely on them to do all the work as planned, and we got what we needed right in time." "Thorough in their approach and inspired trust. I would definitely work with ChicMic Studios again." "Always delivers prompt and professional service—that's why they get first dibs on all our new projects."
The Commitment: We are committed to delivering future-proof, AI-enhanced solutions tailored to your unique enterprise needs. Whether you are a brand looking to enter the Roblox metaverse or a corporation seeking to automate via Agentic AI, let’s turn your vision into reality.
Ready to lead your industry? Let's discuss your project.
Associated with
ChicMic Studios
$9M+
earned
$25/hr
99%
Job Success
$100K+ earned
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Sonal N.
has worked
.
I build AI powered applications, scalable SaaS platforms, and modern web solutions for startups, enterprises, and growing businesses.
With 8+ years of experience in Full Stack Development, I specialize in building secure, scalable, and production ready software using React.js, Next.js, TypeScript, Node.js, NestJS, PostgreSQL, and AI technologies.
I help businesses turn ideas into real products; from MVP development to enterprise-grade applications, AI integrations, and cloud-based platforms.
➣ Services I Provide:
➜ AI Development:
• AI Applications Development
• OpenAI API Integration
• ChatGPT Integration
• AI Agents Development
• LLM Based Applications
• RAG Systems
• AI Automation Solutions
➜ Full Stack Web Development:
• React.js Development
• Next.js Development
• TypeScript Applications
• Node.js Backend Development
• NestJS & Express.js APIs
• REST API Development
• GraphQL APIs
• Microservices Architecture
➜ SaaS Application Development:
• Multi Tenant SaaS Platforms
• B2B SaaS Products
• CRM & ERP Systems
• Business Automation Software
• Marketplace Platforms
• Enterprise Web Applications
➜ Database & Cloud Development:
• PostgreSQL
• MongoDB
• MySQL
• Redis
• AWS Cloud Services
• Docker
• Kubernetes
• CI/CD Pipelines
• Application Scaling
➜ Industry Experience:
• SaaS & B2B Platforms
• AI & Automation Products
• FinTech Applications
• Healthcare Software
• E commerce Platforms
• EdTech Solutions
• Enterprise Business Applications
➣ Why Clients Work With Me:
• 8+ years of experience delivering scalable software solutions
• Strong expertise across frontend, backend, AI, and cloud technologies
• Experience building products from concept to production
• Focus on clean architecture, performance optimization, security, and maintainability
• Ability to understand business goals and deliver reliable technical solutions
I work with clients across the USA, UK, Canada, Australia, Europe, and global markets.
If you need an AI Developer, Full Stack Developer, React Developer, Node.js Developer, or SaaS Developer to build or scale your product, let's discuss your project.
Associated with
Narola Infotech Solutions LLP
$10M+
earned
$35/hr
95%
Job Success
$300K+ earned
Available now
Offers consultations
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Yuliia U.
has worked
.
👋 Hi, I'm Julia - your reliable tech partner. While AI writes the posts, cover letters, and prototypes. I'm busy turning those prototypes into products that ship and actually work. Tired of chatting with AI? Let's have a real conversation.
Why you can rely on me:
✅ 9+ years in software development as React Developer , React Native developer , Full Stack React Node
✅ 41+ jobs on UpWork solely in React , Next , Node js and React Native stack as Full Stack React developer, Node js developer
✅ 155+ web and mobile projects delivered
✅ 20,500+ Upwork hours in React / Next.js / Node.js / React Native
✅ 75% repeat clients - partnerships lasting 6-18+ months
✅ 40+ MVPs released, 5-8 weeks from MVP to pilot launch with React Native , React developer , Node js developer
✅ 35+ in-house engineers, matching in 24 hours or less
✅ 2-week trial period - you risk nothing
✅ Products we support include platforms with 5M+ daily users
My team helps companies hire in-house, CTO-approved engineers who join fast, take ownership, and deliver production-ready software. My goal: save up to 40% of your budget and still get a market-ready, stable, scalable product.
What you can expect from our side:
🔹 In-house, not freelance-marketplace roulette. Every engineer is personally screened and approved by our CTO before joining your project.
🔹 Speed without chaos. Engineer matched within 24h, weekly demos, code review and QA on every delivery.
🔹 Ownership. Our engineers don't wait for tickets - they flag risks, suggest architecture improvements, and drive the product forward.
📌 How we work: Discovery & technical planning → engineer matching within 24h → 2-week trial → weekly demos and reports → CTO-approved delivery with code review and QA → long-term support after launch.
🚀 React / Next.js / Full Stack
We build SaaS platforms, marketplaces, dashboards, admin panels, CRMs, and scalable web apps as react developer, react js developer, nextjs developer, next js developer, web app developer react, full stack developer react node, and full stack developer supabase react. Stack: React, Next.js, Node.js, TypeScript, Supabase, PostgreSQL, Firebase, MongoDB, REST API, GraphQL, Stripe, OAuth, WebSockets, AWS, Vercel, Docker.
MVP development, legacy code takeover, architecture modernization, Core Web Vitals, API integrations, payments, auth, subscriptions, user roles, production launch. A strong fit if you need a react developer, frontend developer react, web developer, full stack developer, mern developer, or backend engineer.
📱 React Native / Mobile
iOS and Android apps as react native developer, react native developer expo, react native app developer, mobile app developer. React Native, Expo, Firebase, Supabase, Node.js, API-driven architecture. App takeover, maintenance, push notifications, App Store / Google Play releases, payments, backend integrations. Mixed environments: flutter developer, android developer.
🤖 AI SaaS / AI Development
25+ AI products and features shipped: AI SaaS, AI MVP, AI chatbot development, AI agent development, RAG chatbot, copilots. Stack: OpenAI API, Claude API, LLMs, RAG, prompt engineering, Generative AI, Python, FastAPI, pgvector, web scraping, automation, AI workflow validation.
🧩 Mixed-Stack Support
Core focus: React, Next.js, Node.js, React Native, TypeScript, Supabase, AI. We also support wordpress, vue, angular, python developer, scala developer, and other web/mobile technologies.
🏆 Industries
📦 Logistics - 10+ projects: tracking, shipment dashboards, carrier/shipper workflows, maps
🏥 HealthTech - 5+ projects: medical booking, clinic platforms, patient flows
🛒 Marketplaces & E-commerce - 15+ projects: multi-vendor, Stripe, subscriptions, bidding, complex search
🏠 PropTech - 5+ projects: listings, booking flows, agent dashboards, rental platforms
🤖 AI Startups - 25+ products: chatbots, agents, copilots, OpenAI / Claude integrations
💰 FinTech - 3+ projects: Stripe Connect, billing, payment flows, invoicing
🎮 Gaming - 5+ projects, incl. 2 major global gaming brands: dashboards, analytics, real-time
📚 EdTech - 5+ projects: student dashboards, progress tracking, content platforms
📣 MarTech - 1 global market-leading project: analytics, segmentation, workflows
⚽ SportsTech - 10+ projects: live data, events, rankings, stats, mobile apps
🚀 Building a SaaS, MVP, marketplace, React app, Next.js platform, React Native app, or AI product?
Click "Invite" or "Hire" - I'll help you clear the estimate or discovery phase within 24 hours or less.
Associated with
Koitechs 💡 JavaScript experts 💡 React. js + Node. js
$700K+
earned
$25/hr
95%
Job Success
Available now
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𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 (𝗠𝗘𝗥𝗡) | 𝟭𝟬𝟬% 𝗝𝗼𝗯 𝗦𝘂𝗰𝗰𝗲𝘀𝘀 | $𝟰𝟬𝗞+ 𝗘𝗮𝗿𝗻𝗲𝗱 | 𝟭,𝟵𝟬𝟬+ 𝗛𝗼𝘂𝗿𝘀 | 𝟭𝟲 𝗙𝗶𝘃𝗲-𝗦𝘁𝗮𝗿 𝗝𝗼𝗯𝘀
I'm a Top Rated Plus Full Stack Developer with 9+ years of experience building scalable SaaS platforms, web applications, and production-ready MVPs using React, Next.js, Node.js, and Python. As a Full Stack Developer, I own your product end to end, frontend, backend, database, APIs, and cloud, so you work with one Full Stack Developer, not an entire team.
𝗪𝗵𝗮𝘁 𝗜 𝗕𝘂𝗶𝗹𝗱
- 𝗦𝗮𝗮𝗦 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀: Multi-tenant architecture, Stripe subscription billing, role-based access control, admin dashboards, and analytics, complete SaaS products, not just features.
- 𝗠𝗘𝗥𝗡 𝗦𝘁𝗮𝗰𝗸 𝗔𝗽𝗽𝘀: Full MERN Stack development with MongoDB, Express.js, React, and Node.js, scalable, secure, and built to grow.
- 𝗥𝗲𝗮𝗰𝘁 & 𝗡𝗲𝘅𝘁.𝗷𝘀 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: Fast, responsive, pixel-perfect UIs with React.js, Next.js (SSR/SSG), TypeScript, and Tailwind CSS.
- 𝗡𝗼𝗱𝗲.𝗷𝘀 & 𝗣𝘆𝘁𝗵𝗼𝗻 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Secure REST and GraphQL APIs with Node.js, Express, NestJS, Django, Flask, and FastAPI, JWT auth, RBAC, webhooks, and payment integrations.
- 𝗠𝗩𝗣 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: From idea to launched product in weeks, built on scalable foundations so your MVP grows without a costly rebuild.
- 𝗔𝗜-𝗣𝗼𝘄𝗲𝗿𝗲𝗱 𝗔𝗽𝗽𝘀: OpenAI, Claude, and LangChain integrations, chatbots, RAG systems, and intelligent automation shipped to production.
- 𝗛𝗲𝗮𝗱𝗹𝗲𝘀𝘀 𝗖𝗠𝗦 & 𝗠𝗶𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀: WordPress to Strapi migrations and headless CMS builds with Next.js.
- 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽𝘀: Cross-platform iOS & Android apps with React Native.
𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗛𝗶𝗿𝗲 𝗠𝗲
- 𝗙𝘂𝗹𝗹 𝗢𝘄𝗻𝗲𝗿𝘀𝗵𝗶𝗽: one Full Stack Developer handling frontend, backend, database, and cloud
- 𝗣𝗿𝗼𝘃𝗲𝗻: Top Rated Plus, 100% Job Success, consistent 5-star reviews
- 𝗦𝗵𝗶𝗽𝘀 𝗙𝗮𝘀𝘁: reliable delivery, no missed deadlines
- 𝗦𝗰𝗮𝗹𝗲𝘀 𝗪𝗲𝗹𝗹: clean, maintainable code built for growth from day one
- 𝗖𝗹𝗲𝗮𝗿 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻: plain-English updates and fast responses
𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸
- Frontend: React.js, Next.js, TypeScript, JavaScript (ES6+), Redux, Tailwind CSS, HTML5, CSS3
- Backend: Node.js, Express.js, NestJS, Python, Django, Flask, FastAPI
- Databases: PostgreSQL, MongoDB, MySQL, Supabase, Firebase, Redis
- AI: OpenAI API, Claude API, LangChain, RAG, AI Agents, Chatbot Development
- Cloud & DevOps: AWS, Vercel, Docker, Git, CI/CD
- CMS & Payments: Strapi, Headless CMS, Stripe, PayPal
𝗪𝗵𝗮𝘁 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗦𝗮𝘆
"Abdul was very professional. He understood the assignment quickly and executed it in a short amount of time."
"His ability to troubleshoot issues and find innovative solutions was remarkable."
𝗟𝗲𝘁'𝘀 𝗕𝘂𝗶𝗹𝗱
Whether you're launching a new product, scaling an existing platform, or adding AI features, I'm the Full Stack Developer who takes it from the first line of code to deployment. 𝗦𝗲𝗻𝗱 𝗺𝗲 𝗮 𝗺𝗲𝘀𝘀𝗮𝗴𝗲 𝗼𝗿 𝗶𝗻𝘃𝗶𝘁𝗲 𝗺𝗲 𝘁𝗼 𝘆𝗼𝘂𝗿 𝗷𝗼𝗯, 𝗮𝗻𝗱 𝗹𝗲𝘁'𝘀 𝘁𝗮𝗹𝗸.
Full Stack Developer | Full Stack Web Developer | MERN Stack Developer | MERN Developer | React Developer | React.js Developer | Node.js Developer | Next.js Developer | JavaScript Developer | TypeScript Developer | SaaS Developer | Web Application Developer | Full Stack Engineer | Backend Developer | Front-End Developer | Python Developer | REST API Developer | MongoDB | PostgreSQL | Express.js | MVP Development | API Integration | AI Integration | AI App Developer | Web Development | Software Developer
$60/hr
90%
Job Success
$200K+ earned
Available now
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Farhad N.
has worked
.
Look, I know you don't need to hear about my name being blah blah, or that I have years of experience, or how much of an expert I am - you can see all that below and check the reviews yourself, it doesn't matter at first.
What matters is this, if you're looking for someone who genuinely cares about your project, doesn't overcharge, and can handle everything without endless back-and-forth - then go ahead, you've found your person.
I've helped 100+ founders turn raw ideas into stable, scalable products - SaaS MVPs, multi-tenant platforms, AI systems with GPT and voice agents, and automation tools that actually ship. I start by understanding the business problem, define the architecture, prepare the implementation plan, and take full responsibility for the build.
----
🔧 What I Build
SaaS & MVPs
– Startup MVPs with auth, payments, CRM, and analytics
– Multi-tenant SaaS with team onboarding, role isolation, and usage metering
– Subscriptions, split payments, usage billing (Stripe, Stripe Connect)
– Admin dashboards, CRM tools, permission-based control
– Real-time features: chat, notifications, presence sync
– HIPAA-compliant healthcare systems (EHR portals, journaling, secure access)
– E-commerce, marketplaces, booking/scheduling tools, education platforms
AI Systems & Automation
– GPT-powered chatbots, RAG assistants, voice agents
– Resume generators, outreach tools, content pipelines (text/image/audio/video)
– Lead scoring & follow-up automations using CRM data + AI logic
– Voice dispatch systems with TTS + speech-to-text (ElevenLabs, Whisper, Telnyx)
– No-code/low-code automation: n8n, Make, Zapier, Airtable
– GoHighLevel CRM: booking flows, lead scoring, outreach, funnel logic
APIs, Infrastructure & Integrations
– Auth: JWT, OAuth, multi-role systems, team invites
– Integrations: Notion, Twilio, Guesty, Plaid, WhatsApp, QuickBooks, GHL
– Mobile + web: iOS/Android hybrid, PWA-ready frontends
– CMS & headless: Shopify, WordPress, Webflow, custom builders
– Cloud: GCP, AWS, Vercel, Netlify (CI/CD, staging, live)
⚙️ My Core Stack
Vue.js / Nuxt.js • Node.js / Express • MongoDB / Firebase / PostgreSQL • Tailwind CSS • OpenAI / GPT-4 / LangChain / Pinecone • ElevenLabs / Whisper / Midjourney / DALL·E • n8n / Make / Zapier
👉 This is just a snapshot - I've built plenty beyond what's listed here.
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⭐ What Clients Say
"Farhad is truly exceptional, transforming our concept into a marketable product in a remarkably short time, surpassing all expectations. Worth every penny."
~ Thiban Nathan, CEO of physicianux com
"Farhad came in and worked like a wizard. Clean code, amazing results, FAST - seriously a top-notch contractor. If Farhad bids on your project, look no further. You've found your guy."
~ Andrew Pawlak, CEO of leadpops com
"Farhad is a skilful software developer with good attention to details. He delivered his work on time and in budget."
~ Peter Coppinger, CEO of Teamwork com
"The most pleasant person to work with on Upwork. The price was more than fair, and the work went beyond expectations."
~ Michael Weston, yepeducation com
"Top quality work, very quick, responsive and didn't need anything explaining - Farhad has a high-level understanding of the web."
~ David Flindall, CEO of BacktoFront co
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👉 If you'd like to talk more about your vision and goals, feel free to schedule a call.
$40/hr
100%
Job Success
$600K+ earned
Available now
Offers consultations
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Ayan H.
has worked
.
Hi there!
I help ecommerce brands, agencies, and growing businesses build reliable Shopify Plus stores, AI automation systems, custom apps, and full-stack digital products that are clean, scalable, and built for real business use.
With 10+ years of experience in Shopify development, full-stack engineering, AI automation, and custom integrations, I focus on building solutions that do more than look good. They improve operations, increase conversions, automate repetitive work, and connect smoothly with your existing tools.
💡 Shopify Plus & E-commerce Development
✅ Shopify & Shopify Plus store design, redesign, development, theme customization, and OS 2.0 upgrades
✅ Figma, PSD, XD to Shopify using Liquid, HTML, CSS, JavaScript, and modern frontend practices
✅ Custom Shopify sections, templates, metafields, product pages, collection pages, and landing pages
✅ CRO-focused improvements, checkout optimization, upsells, cross-sells, AOV growth, and post-purchase flows
✅ Shopify Markets, multilingual stores, multi-currency, internationalization, and multi-region setup
✅ Shopify Functions, Checkout UI Extensions, Bundles, subscriptions, memberships, loyalty, and B2B/DTC workflows
✅ Private apps, custom APIs, ERP, CRM, POS, 3PL, ShipStation, Klaviyo, HubSpot, and third-party integrations
✅ Store speed optimization, Core Web Vitals, UX audits, SEO cleanup, GA4, Meta Pixel, and conversion tracking
✅ Headless Shopify Plus, WooCommerce, Magento, and custom ecommerce platform development
✅ AI-powered shopping experiences with chatbots, smart search, product discovery, recommendations & personalization
💡 AI Automation & Generative AI Solutions
I build production-ready AI systems that don’t just demo well, they run reliably inside your business.
✅ Custom AI agents, virtual employees, workflow automation, and intelligent business process automation
✅ AI chatbots, customer support automation, ecommerce assistants, smart search, and product recommendation systems
✅ RAG systems, enterprise knowledge bases, semantic search, and intelligent document retrieval
✅ AI applications using OpenAI, Claude, Gemini, Mistral, Groq, DeepSeek, Hugging Face, and open-source LLMs
✅ LangChain, LangGraph, LlamaIndex, CrewAI, multi-agent workflows, and custom AI orchestration
✅ OCR, invoice processing, document intelligence, structured data extraction, summarization, and classification
✅ Vector databases including Pinecone, ChromaDB, PGVector, Weaviate, and Qdrant
✅ AI integrations with Shopify, HubSpot, CRMs, ERPs, internal tools, databases, and third-party APIs
✅ Automation using n8n, Make, Zapier, APIs, Selenium, Puppeteer, Playwright, and custom Python scripts
✅ Monitoring, evaluation, prompt optimization, PII handling, cost control, and secure AI deployment
💡 Custom Web App, Mobile Apps & Full-Stack Development
For clients who need more than a store or automation script, I also build full custom platforms and business systems.
✅ Custom web applications, SaaS platforms, dashboards, marketplaces, admin panels, and internal tools
✅ Frontend development using React, Next.js, Vue.js, Angular, Svelte, TypeScript, HTML, CSS, and JavaScript
✅ Backend development using Python, Django, FastAPI, Node.js, Express, NestJS, PHP, Laravel, and CodeIgniter
✅ Cross-platform mobile apps using React Native, Expo, and TypeScript
✅ API development, REST, GraphQL, payment gateways, Stripe, PayPal, Razorpay, and custom third-party integrations
✅ Databases and infrastructure using PostgreSQL, MySQL, MongoDB, Firebase, Supabase, Redis, and Appwrite
✅ Real-time features including live tracking, messaging, notifications, maps, WebSockets, WebRTC, and media processing
✅ Cloud deployment, CI/CD, Docker, Kubernetes, AWS, Google Cloud, Azure, DigitalOcean, Vercel, and Netlify
💡 How I Work
✅ I build with a production mindset, not just a “get it done” mindset
✅ Clean code, scalable structure, proper testing, and long-term maintainability
✅ Clear communication, reliable delivery, and proactive problem-solving
✅ Strong focus on business outcomes, not just technical implementation
✅ Comfortable working directly with founders, ecommerce teams, SaaS companies, and agencies
✅ Available for white-label development, long-term retainers, project-based work, and ongoing technical support
Whether you need a high-converting Shopify Plus store, a custom ecommerce feature, an AI agent for your operations, a workflow automation system, or a complete web/mobile application, I can help you design, build, integrate, and scale it properly.
Send me your store, workflow, or product brief, and I’ll help you identify the cleanest technical path to build, automate, or scale it.
Let’s discuss your project 🤝
$50/hr
100%
Job Success
$200K+ earned
Offers consultations
Start of list.
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Karan T.
has worked
.
I'm not only full stack, I'm also full of soup 🍜 The rest is true too. 12+ years, 50+ apps in React and Node, over 90% of them still running in production. Mostly FinTech and SaaS. If your last developer left you a half finished repo, that is the job I like most.
Top Rated Plus, top 3% of talent on Upwork. Full Stack, SaaS and AI Development.
Over 90% of the products I build ship to production, and most are still live and in daily use today.
ABOUT ME
✅ 12+ years and 50+ delivered products as a Full Stack Developer in React and Node, across SaaS platforms, AI apps, MVPs, and web application delivery
✅ $4M+ in client revenue impact and 60,000+ active users across the products I have built
✅ 20,000+ active users on a SaaS platform, where my React Developer work lifted engagement by 22%
✅ 10,000+ users on a healthcare web application, where React Developer ownership cut admin workload by 40%
✅ 15,000+ daily AI prompts processed on an AI platform I built, cutting manual resolution time by 40%
✅ 2,400+ completed orders and 480+ registered customers on an ecommerce and CRM MVP
✅ 90% faster order processing and 80% lower manager workload through workflow automation
✅ Top Rated Plus with a 100% Job Success Score on every contract, backend architecture through to production UI
WHERE I DELIVER
As a Frontend React Developer, 20+ systems with UI development, dashboards, and responsive builds across SaaS platforms, booking platforms, and ecommerce websites.
As a React and Next.js Developer, 15+ launches with 30% faster iteration through design to code and component development.
As a Full Stack Developer React Node, 25+ end to end builds with backend APIs, data architecture, and secure scalable systems from early stage MVP to live SaaS platform.
As a Full Stack Developer React Node, AI powered product builds: chatbots, RAG assistants, and automation with OpenAI, Claude API, FastAPI, and vector databases.
As a Full Stack Developer, 12+ backend heavy products with 28% lower delivery risk on Node.js and Python.
As a Full Stack Developer React Node, 6 to 18 month engagements as a long term development partner: scale existing platforms, professionalize, review, improve, and launch.
INDUSTRY IMPACT
SaaS Platform, B2B, Two Sided Marketplace: 50,000+ active listings, 35% higher conversion, and $2M+ in monthly transaction volume as a Full Stack Developer React Node.
Healthcare, Clinic Management SaaS, Telehealth: 10,000+ active users, 500+ daily appointments processed, and 15% fewer patient no shows as a Frontend React Developer maintaining 99.9% uptime.
AI Powered: 5+ products deployed with custom AI agents, chatbots, and RAG systems on OpenAI, Claude API, and FastAPI, processing 15,000+ daily prompts and cutting manual resolution time by 40%.
Logistics, ERP, Internal Workflow: up to 12 hours saved per order cycle, 30% faster reporting, and 40% fewer data entry errors across 5+ regional hubs as a Full Stack Developer React Node.
Fintech, LegalTech, PropTech MVP: 40% higher retention over 6 months and role based access for 5,000+ users through Frontend React Developer work.
Clients typically work with me when they need:
- a Full Stack Developer who can own frontend and backend
- a SaaS Developer who understands long-term scalability constraints
- a Backend Developer experienced with real production systems
- mobile app developer and React developer experience as a software developer
- backend services built with Node.js or Python by an experienced Python developer
- web applications with complex workflows and business rules from a senior web developer
- API-driven architectures and third-party integrations
- SaaS platforms designed to support growth, analytics and SaaS marketing data needs
- MVPs that can realistically evolve into long-term SaaS products
HOW I BUILD
Frontend as a React Developer: React, Next.js, TypeScript, JavaScript, Tailwind CSS, Redux, HTML5, CSS3, responsive design, real time UI.
Full stack and backend as a Full Stack Developer React Node: Node.js, Python, ASP.NET, PostgreSQL, MySQL, MongoDB, Redis, REST API, WebSockets, Stripe, payment, auth, and third party API integrations.
AI as a Full Stack Developer: OpenAI, Claude API, FastAPI, RAG, vector databases, LangChain, AI agents, chatbots, and workflow automation.
Also across the stack: Vue, Supabase, Firebase, Docker, AWS, Vercel, CI/CD, software architecture, and end to end delivery from MVP to live platform.
Associated with
Paroksya
$90K+
earned
$20/hr
99%
Job Success
$200K+ earned
Available now
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Dalvir S.
has worked
.
𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 — 𝗧𝗼𝗽 𝟱% 𝗚𝗹𝗼𝗯𝗮𝗹𝗹𝘆
As a Senior Full Stack Developer with 12+ years of experience, I've shipped 40+ projects across SaaS, healthcare, CRM, automation, and AI-powered platforms — helping startups, healthcare organizations, and enterprises build scalable, secure, high-performance web applications that solve real business problems, from first commit to production launch.
⚡ 𝗧𝗿𝗮𝗰𝗸 𝗥𝗲𝗰𝗼𝗿𝗱
✔ 40+ full stack projects delivered end-to-end, from idea validation to production launch and post-launch support
✔ 10+ Healthcare platforms built with compliance identification, Patient Record Management, Vital Recording Device integration, and Role-Based Access Control (RBAC)
✔ 8+ AI-powered SaaS MVPs, AI CRM systems, RAG tools, OCR/PDF processing pipelines, OpenAI and Claude integrations
✔ 25+ scalable React, Next.js, Node.js, and Python AI backend builds with PostgreSQL, Stripe, AWS, and Docker
✔ 93% faster estimation for a construction business (8 hours → 30 minutes) via a custom Estimator Web App
✔ 5+ secure healthcare platforms delivered for med spas and clinics, improving provider/patient workflows through role-based access and admin dashboards
✔ 10+ CRM and trading systems replacing manual operations with automated workflows, reporting, and analytics dashboards
⚡ 𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞 𝐈𝐓 & 𝐈𝐧𝐭𝐞𝐫𝐨𝐩𝐞𝐫𝐚𝐛𝐢𝐥𝐢𝐭𝐲
I build HIPAA-aware applications with secure data handling, seamless EHR/EMR interoperability, and FHIR/HL7 integrations, enabling compliant, efficient healthcare workflows end to end. Delivered experience includes:
- Compliance Identification, Gap Assessment & HIPAA-Aware Architecture
- Patient Record Management Systems with audit trails and secure data storage
- Vital Recording Device Integration for real-time patient monitoring data
- Role-Based Access Control (RBAC) across multi-user clinical teams
- EHR/EMR Platform Development and FHIR/HL7 Data Exchange
- Provider/Patient Workflow Systems and Appointment Scheduling
- Telehealth & Healthcare Portals with secure video and messaging
- Healthcare Analytics Dashboards for clinical and operational reporting
- Secure Medical Data Processing with encryption at rest and in transit
⚡ 𝗔𝗜 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱
- AI-Powered SaaS MVPs validated from concept through launch
- RAG-powered document intelligence and search systems
- OCR and PDF processing pipelines for high-volume document workflows
- AI chatbots and NLP-based features using OpenAI, Claude, and LangChain
- Predictive analytics and AI-assisted reporting dashboards
- Multi-stage workflow automation for complex, rule-based processes
⚡ 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 & 𝗦𝗮𝗮𝗦 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴
- MERN Stack (MongoDB, Express.js, React.js, Node.js) and Laravel/PHP development
- Multi-tenant SaaS platforms with workspace isolation and subscription billing
- REST and GraphQL API development, webhook and event-driven systems
- Real-time applications with WebSockets, JWT/OAuth/Firebase authentication
- Payment gateway integration (Stripe and others), queue systems, background jobs
- Performance optimization, SSR, and SEO-friendly frontend architecture
- Cloud deployment and CI/CD pipelines on AWS with Docker and nginx
⚡ 𝗖𝗼𝗿𝗲 𝗦𝘁𝗮𝗰𝗸
React, Next.js, Node.js, Python, JavaScript, TypeScript, Laravel/PHP, MongoDB, PostgreSQL, MySQL, Supabase, AWS, Docker, nginx, Stripe, and AI tools including OpenAI, Claude, and LangChain. I also work with Vue.js, Angular, and legacy stacks when a project calls for it.
⚡𝗪𝗵𝗮𝘁 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿
✔ End-to-end development from architecture to deployment, across SaaS, healthcare, and AI-powered platforms
✔ Performance-optimized, SEO-friendly frontends built with React/Next.js
✔ Secure backend systems with role-based access control (RBAC) and clean API architecture
✔ Third-party API and payment gateway integrations (Stripe, EHR/EMR, FHIR/HL7)
✔ HIPAA-aware healthcare applications with Patient Record Management and Vital Recording Device integration
⚡𝗧𝗿𝗮𝗰𝗸 𝗥𝗲𝗰𝗼𝗿𝗱 / 𝗣𝗿𝗼𝘃𝗲𝗻 𝗥𝗲𝘀𝘂𝗹𝘁𝘀
✔Delivered 8 SaaS platforms supporting 25,000 active users with stable, production-grade uptime
✔ Built HIPAA-aware EHR/EMR systems with FHIR/HL7 integration for 10+ healthcare clients
✔ Improved backend/API performance by 40% through architecture and query optimization on select projects
✔ Integrated AI/LLM features (chatbots, document automation) that reduced manual workload for clients by an estimated 120 hours per week.
I combine strong technical expertise with product thinking, acting as a hands-on technical partner rather than just an executor — helping define architecture, avoid unnecessary complexity, and ship solutions that are production-ready, compliant with healthcare interoperability standards where required, and built for long-term growth.
💬 Message me with your idea — I'll share a relevant case study, technical approach, and a clear estimate.
Associated with
Matrix Marketers
$4M+
earned
$15/hr
100%
Job Success
$100K+ earned
Available now
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Navdeep S.
has worked
.
With 14+ years of experience designing and developing websites, web applications, and SaaS platforms for startups and established businesses, I specialize in building scalable, high-performance solutions with a design-first and user-focused approach.
I provide end-to-end development services from planning and UI implementation to backend development, integrations, optimization, and deployment.
My Skills:
👉 Frontend Frameworks & Libraries: React.js, Next.js, Vue.js, Nuxt.js (3+), Remix, Astro
👉 UI, Styling & Design Systems: HTML5, CSS3, Tailwind CSS, SCSS, Bootstrap 5, Material UI, Ant Design, Chakra UI, Framer Motion
👉 Programming Languages: JavaScript, TypeScript, JSX, Python, PHP
👉 React Ecosystem: Redux, React Query, React Hook Form, Formik, Recoil, React Testing Library
👉 Backend Development: Node.js, Express.js, NestJS, Fastify, Laravel, CodeIgniter, Yii
👉 CMS & E-commerce: WordPress, Shopify, WooCommerce, Headless CMS (Strapi, Sanity, Prismic)
👉 API Development & Integrations: REST APIs, Authentication Systems, Payment Gateways, Social APIs, Google Maps API, MailChimp, Third-party API Integrations
👉 AI & LLM Development: OpenAI API, ChatGPT Integrations, Claude, Gemini, AI Chatbots, AI Agents, RAG Applications, LangChain, AI SDKs
👉 Workflow Automation: n8n, Pipedream, Activepieces, Huginn, Business Process Automation
👉 Performance & Optimization: SEO Optimization, Core Web Vitals, Next.js Optimization, Image Optimization, WebP, Cloudflare Optimization
👉 DevOps & Deployment: AWS (S3, EC2), Cloudflare, NGINX, Apache, Vercel, Netlify, Render
👉 Version Control & Development Tools: Git, GitHub, GitLab, Bitbucket, Git Hooks, Webpack, Vite, Babel, ESLint, Prettier, Storybook
👉 UX/UI: Wireframing, Prototyping, Responsive Design, User Experience Improvements
I also specialize in developing AI-powered web applications, including:
✅ AI chatbots and virtual assistants
✅ AI agents and workflow automation
✅ Document search systems (RAG)
✅ LLM-powered applications and API integrations
Availability:
⏱ 40+ hours per week
🌎 Flexible with different time zones
I stay updated with the latest web and AI technologies to create modern, secure, scalable, and maintainable applications.
Whether you need a custom MERN/MEVN/Next.js application, SaaS product, eCommerce platform, headless CMS solution, or AI-powered features, I can help you build a reliable solution aligned with your business goals.
I focus on clean code, clear communication, timely delivery, and long-term client relationships.
Let's connect and discuss your project requirements. I would be happy to help!
Associated with
IAPPTECHNOLOGIES LLP
$1M+
earned
$30/hr
100%
Job Success
Available now
Offers consultations
Start of list.
End of list.
Abdul B.
has worked
.
Building software is easy.
𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗮 𝗽𝗿𝗼𝗱𝘂𝗰𝘁 𝘁𝗵𝗮𝘁 𝗶𝘀 𝘀𝗲𝗰𝘂𝗿𝗲, 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲, 𝗺𝗮𝗶𝗻𝘁𝗮𝗶𝗻𝗮𝗯𝗹𝗲, 𝗮𝗻𝗱 𝗿𝗲𝗮𝗱𝘆 𝗳𝗼𝗿 𝗿𝗲𝗮𝗹 𝗰𝘂𝘀𝘁𝗼𝗺𝗲𝗿𝘀 𝗶𝘀 𝘄𝗵𝗲𝗿𝗲 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 𝗺𝗮𝘁𝘁𝗲𝗿𝘀.
I'm Abdul, a Senior Full Stack Developer with 12+ years of experience, 489 successful Upwork projects, 100% Job Success, and a Top Rated Plus badge.
I help startups, SaaS companies, and growing businesses design, build, and scale modern web and mobile applications from MVPs to production platforms serving thousands of users.
Unlike developers who simply implement requirements, I work as a technical partner who helps clients make better architectural decisions, avoid costly mistakes, and build software that can grow with their business.
What I Build:
✅ Multi-Tenant SaaS Platforms
✅ Marketplaces & Booking Platforms
✅ AI-Powered Applications & Integrations
✅ FinTech & Payment Systems
✅ Custom Web Applications
✅ Hybrid Mobile Apps using Fluter & React Native (iOS & Android)
𝗠𝘆 𝗥𝗲𝗰𝗲𝗻𝘁 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗶𝗻𝗰𝗹𝘂𝗱𝗲:
• Marketplace platform (web + mobile) for video editors and clients with real-time collaboration. As a Full Stack Developer, I used PHP Laravel on the backend, React JS / Tailwind for the web app, and React native for the hybrid mobile app. Key Features include: Multi-user role, in-app chat, Job posting, bidding, awarding jobs to editors, Stripe Connect for payment gateway.
𝗧𝗲𝗰𝗵: 𝗟𝗮𝗿𝗮𝘃𝗲𝗹, 𝗥𝗲𝗮𝗰𝘁, 𝗥𝗲𝗮𝗰𝘁 𝗡𝗮𝘁𝗶𝘃𝗲, 𝗧𝗮𝗶𝗹𝘄𝗶𝗻𝗱 𝗖𝗦𝗦, 𝗦𝘁𝗿𝗶𝗽𝗲 𝗖𝗼𝗻𝗻𝗲𝗰𝘁
• SercusPay Royalty mobile app with 10K+ users and integrated payment processing. Sercus Pay is a mobile wallet and payment SaaS platform I built from the ground up, featuring a unique shared rewards system that allows users to earn not only from their own spending but also from the activity of others. Key tasks include mobile apps (iOS & Android) for customers and merchants, a scalable backend and APIs using Laravel, an Admin dashboard with real-time analytics, Stripe integration for secure payments, and merchant payouts
Fundraising SaaS Platform:
Built a multi-tenant donation platform that enables organizations to create fundraising campaigns using a drag-and-drop page builder, get payments online via campaign pages etc
Golf Coaching Platform
Developed a complete booking and learning platform where instructors can sell courses, schedule lessons, receive payments, and manage students through a multi-tenant SaaS architecture.
Learning Management Marketplace
Built an online education platform allowing instructors to create and sell courses through a multi-vendor marketplace similar to Udemy.
Technologies
Backend
Laravel, PHP, Node.js
Frontend
React, Next.js, Tailwind CSS
Mobile
Flutter & React Native (iOS & Android)
Databases
MySQL, PostgreSQL
Cloud
AWS, Firebase
Integrations
Stripe, PayPal, REST APIs, WebSockets, OpenAI, AI
Why Clients Hire Me
✔ 12+ years building production software
✔ 489 successful Upwork projects
✔ 100% Job Success
✔ Top Rated Plus
✔ Experience leading engineering teams
✔ Strong focus on scalability, performance, and clean architecture
✔ Clear communication and long-term client relationships
Whether you need to build a new SaaS product, modernize an existing application, integrate AI features, or scale a growing platform, I can help you plan the right architecture and deliver production-ready software.
If you're looking for a reliable senior developer who understands both technology and business, I'd be happy to discuss your project.