I specialize in API integration, custom API development, and full-stack solutions that help businesses connect systems, automate workflows, and scale efficiently. My experience includes projects such as 𝐀𝐜𝐜𝐮𝐥𝐲𝐧𝐱 𝐭𝐨 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐓𝐢𝐭𝐚𝐧 𝐝𝐚𝐭𝐚 𝐭𝐫𝐚𝐧𝐬𝐟𝐞𝐫, 𝐰𝐞𝐛𝐬𝐢𝐭𝐞 𝐀𝐏𝐈 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧, 𝐨𝐧𝐠𝐨𝐢𝐧𝐠 𝐀𝐏𝐈 𝐬𝐮𝐩𝐩𝐨𝐫𝐭, 𝐥𝐨𝐠𝐢𝐬𝐭𝐢𝐜𝐬 𝐀𝐏𝐈 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧, and 𝐀𝐦𝐚𝐳𝐨𝐧 𝐒𝐏-𝐀𝐏𝐈𝐬 𝐰𝐢𝐭𝐡 𝐆𝐨𝐨𝐠𝐥𝐞 𝐒𝐡𝐞𝐞𝐭𝐬 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧, reflecting strong expertise in building reliable, scalable, and business-focused API solutions. With strong full-stack development experience, I create API-driven web applications that work smoothly across systems, with a focus on secure data flow, performance, reliability, and long-term scalability. ✅ 𝗔𝗣𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 & 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 𝗜 𝗖𝗮𝗻 𝗣𝗿𝗼𝘃𝗶𝗱𝗲 : ⫸ ⫸ Third-Party API Integrations ⫸ ⫸ Custom API Development ⫸ ⫸ REST API Development & Implementation ⫸ ⫸ Authentication & Authorization Setup ⫸ ⫸ Webhook & Event-Driven Workflows ⫸ ⫸ Data Mapping, Transformation & Synchronization ⫸ ⫸ CRM, ERP, SaaS & Marketplace Integrations ⫸ ⫸ Backend Development for Web Applications ⫸ ⫸ Database Design & Management ⫸ ⫸ Error Handling, Logging & API Troubleshooting ⫸ ⫸ Cloud Deployment & Maintenance ⫸ ⫸ Testing, Optimization & Ongoing Support As a full-stack developer, I also support projects that require both frontend and backend development, especially when API functionality is a core part of the product. ✅ 𝗠𝘆 𝗖𝗼𝗿𝗲 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗔𝗿𝗲 : ⫸ ⫸ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Node.js, Express.js, JavaScript, TypeScript ⫸ ⫸ 𝐀𝐏𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧: REST APIs, GraphQL, JSON, Webhooks ⫸ ⫸ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭: PostgreSQL, MongoDB, Redis ⫸ ⫸ 𝐀𝐮𝐭𝐡𝐞𝐧𝐭𝐢𝐜𝐚𝐭𝐢𝐨𝐧 & 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲: JWT Authentication, OAuth ⫸ ⫸ 𝐓𝐨𝐨𝐥𝐬 & 𝐃𝐨𝐜𝐮𝐦𝐞𝐧𝐭𝐚𝐭𝐢𝐨𝐧: Postman, Swagger, Git, GitHub ⫸ ⫸ 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭: AWS Whether you need to connect two systems, build a custom API, or improve an existing integration, I can help deliver a stable, scalable, and business-focused solution.

🏆 WordPress & Shopify Expert | SEO Specialist | Top Rated | 100% Job Success | 2000+ Hours | 24/7 Availability Struggling with a slow WordPress site or a Shopify store that isn't converting? I build high-performing WordPress and Shopify websites optimized for SEO and conversion rate, so your traffic turns into paying customers. I combine hands-on development (WordPress, WooCommerce, Elementor, Shopify) with real SEO and CRO know-how, so the sites I build aren't just good-looking, they're built to rank and convert from day one. Most developers hand off a finished site and stop there. I keep optimizing structure, speed, and on-page SEO until the numbers move. Here is how I can help your business grow: - Build or redesign a custom WordPress or Shopify store tailored to your brand - Set up WooCommerce or Shopify payment gateways, shipping, and product catalogs - Run a full SEO audit and fix on-page, technical, and backlink issues - Improve site speed and conversion rate with CRO best practices - Clean up or refresh an existing site without breaking what already works Over 2000 hours and 41 completed jobs on Upwork with a Top Rated badge and a 4.8+ rating. Clients have hired me for projects ranging from Shopify store setups to full WordPress rebuilds, with several 5-star reviews citing on-time delivery and clear communication. Send me a message with a bit about your project and I'll reply within a few hours with next steps.

140+ Shopify stores delivered. 100% Job Success. Top Rated Plus. $300K+ earned on Upwork. If your Shopify store is bleeding revenue through slow load times, a stalled migration, a custom feature your last developer couldn't finish, or a checkout that just isn't converting, I've solved that exact problem for Just Thrive, Wellnesse, Alitura, FrontFlip, and Vividora. I'm a Certified Shopify Developer with 9 years of Shopify and Shopify Plus experience. 🏗️ Custom Shopify Theme Development Shopify 2.0, custom Liquid development, Figma to Shopify, mobile responsive design, metafields, metaobjects, Dawn/Prestige/Impulse/Turbo/Empire/Ecomify customization, headless Shopify with React and Next.js. ⚙️ Shopify App Development → Node.js, React, Shopify Admin API, Storefront API, GraphQL, Webhooks, Shopify Flow, Scripts and Functions. → Shipped FrontFlip, 8 apps for Crucial Commerce, AI Boostwriter, 3D configurators and AI customization tools. 🔄 Shopify Migrations → WooCommerce, BigCommerce, Magento, Wix, Squarespace, PrestaShop, Lightspeed, WordPress, and GoDaddy to Shopify. → Full migration: products, collections, metafields, customers, orders, SEO 301 redirects and URL preservation. ⚡ Speed Optimization and Core Web Vitals → LCP, CLS and FID targeting, lazy loading, image compression, JS/CSS minification, render blocking elimination and app code cleanup. Average: 40% faster load times. 📈 Conversion Rate Optimization → A/B testing, checkout optimization, upsell/cross-sell, cart abandonment recovery, landing page design, sales funnel optimization and Shopify Plus discount logic. → GA4, GTM, Meta Pixel, Hotjar, Facebook Pixel. 🎨 Design and UX Figma to Shopify, store redesign, mobile responsive design, UX/UI optimization, wireframing, interaction design and conversion-focused ecommerce storefront design. 🔌 Integrations Klaviyo, Recharge, Gorgias, Stripe, PayPal, ShipStation, Mailchimp, Zapier, Make, Bold, Skio, CartHook, HubSpot, Omnisend, ActiveCampaign, Authorize.net, Printify, Tidio, Intercom, and custom ERP/CRM API integrations. 🏆 Case Studies 📌 Just Thrive — Recharge conflicts breaking theme, broken CJ pixel killing affiliate revenue, funnels on Sticky. Fixed integrations, migrated to Shopify Payments, rebuilt funnels, Shopify Plus discount logic, built custom checkout app. 📌 Wellnesse — Outdated storefront, poor UX, low conversions. Redesigned full UX/UI, optimized checkout, integrated subscriptions and reviews in a mobile responsive layout. 📌 Alitura — Slow store, bloated codebase. Full audit, redundant code cleanup, custom landing pages, Klaviyo updates. 📌 Vividora — Needed an AI and 3D print-on-demand platform. Built a custom Shopify app with ReactJS, Node.js, Three.js, AI design generation, and Printify automation. 🚀 Real-time 3D customization, automated fulfillment, scalable architecture. 📩 What Happens When You Message Me You'll hear back within 30 minutes. I'll ask a few questions about your store. By the end of that conversation, you'll know what needs doing, how long it takes, and exactly what it costs. No surprises, no scope creep, nothing starts without a written agreement. Good fit: scaling Shopify/Plus stores, long-term development, custom app builds, and platform migrations. 🟢 Send your store URL for a quick Shopify audit, improvement roadmap, and cost estimate. 🧰 TECH: Shopify | Shopify Plus | Shopify 2.0 | Liquid | Figma to Shopify | React | Next.js | Node.js | GraphQL | Storefront API | Admin API | AJAX API | HTML5 | CSS3 | JavaScript | jQuery | Tailwind | Bootstrap | JSON | Metafields | Headless Shopify | GA4 | GTM | Meta Pixel | Klaviyo | Recharge | Stripe | Zapier | Printify | ShipStation 🔥 SERVICES: Shopify Developer | Shopify Expert | Shopify Plus Developer | Shopify Theme Developer | Custom Theme Development | Shopify 2.0 Developer | Shopify App Developer | Shopify Migration Expert | WooCommerce to Shopify | Speed Optimization | Shopify CRO | Shopify SEO | Store Setup | Store Redesign | Figma to Shopify | Liquid Developer | Bug Fix | Integration Expert | Ecommerce Developer | Product Customizer | Public App Developer

🚀 𝐓𝐨𝐩-𝐑𝐚𝐭𝐞𝐝 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 & 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐰𝐢𝐭𝐡 𝟏𝟎+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 𝐛𝐮𝐢𝐥𝐝𝐢𝐧𝐠 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩𝐬, 𝐒𝐚𝐚𝐒 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬, 𝐌𝐕𝐏𝐬, 𝐚𝐧𝐝 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐬 𝐟𝐨𝐫 𝐬𝐭𝐚𝐫𝐭𝐮𝐩𝐬 𝐚𝐧𝐝 𝐞𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞𝐬. I specialize in React Native, Flutter, React.js, Next.js, Node.js, TypeScript, and the MERN stack, delivering high-performance applications across iOS, Android, and Web. From product architecture and UI/UX implementation to backend development, cloud deployment, and scaling, I provide end-to-end product ownership. Mobile Development • React Native & Flutter Development • iOS & Android Applications • Cross-Platform Mobile Apps • Firebase Integration • Push Notifications • Real-Time Chat & Messaging • GPS & Location-Based Features • App Store & Play Store Deployment Full Stack Development • React.js & Next.js • Node.js & Express.js • TypeScript & JavaScript • MongoDB, PostgreSQL & MySQL • REST APIs & GraphQL • SaaS & Multi-Tenant Platforms • Microservices Architecture Cloud, DevOps & AI I build scalable cloud-native applications using AWS, Azure, Docker, Kubernetes, CI/CD pipelines, and serverless technologies. I also leverage modern AI tools such as Cursor, GitHub Copilot, Claude Code, Windsurf, and OpenAI-powered workflows to accelerate development and deliver high-quality solutions. My AI expertise includes OpenAI, Claude, Gemini, LangChain, LangGraph, AI Agents, RAG systems, chatbots, workflow automation, intelligent search, and custom AI-powered SaaS products. Integrations Stripe, PayPal, Twilio, Firebase, Google APIs, Microsoft APIs, HubSpot, Salesforce, CRM/ERP systems, social authentication, email/SMS automation, and custom third-party APIs. Industries Served Healthcare, Telemedicine, FinTech, E-commerce, Real Estate, Logistics, EdTech, Fitness & Wellness, Marketplace Platforms, On-Demand Services, Enterprise SaaS, and AI-powered products. Why Work With Me? ✅ 10+ Years of Experience ✅ End-to-End Product Development ✅ Startup MVP to Enterprise Scale Expertise ✅ Clean, Scalable & Maintainable Code ✅ Fast Communication & Reliable Delivery ✅ Long-Term Technical Partnership If you're looking for a React Native Developer, Flutter Developer, MERN Stack Developer, Full Stack Engineer, or AI Developer who can build and scale your product efficiently, let's connect.

✔️ Senior Full Stack & Mobile App Developer with 10+ years of experience designing, building, and scaling complex applications across web, mobile, and backend ecosystems. ✔️ Specialized in React.js, React Native, Node.js, Flutter, Android/iOS (Swift, Kotlin), and AI-powered applications. ✔️ With deep hands-on experience and an engineering mindset, I deliver business-critical solutions that are clean, scalable, maintainable, and user-focused. 𝐖𝐨𝐫𝐤𝐢𝐧𝐠 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 & 𝐏𝐚𝐫𝐭𝐧𝐞𝐫𝐬𝐡𝐢𝐩𝐬 𝐈𝐧𝐜𝐥𝐮𝐝𝐞: 🤝 Funded startups building scalable MVPs 🤝 Growing SaaS and enterprise platforms in need of full-stack development 🤝 Businesses with legacy apps that require modernization or feature extensions 🤝 Product teams needing a senior engineer for long-term collaboration 🤝 CTOs looking for delivery ownership from architecture to launch 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐞𝐝, 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐝, 𝐚𝐧𝐝 𝐌𝐚𝐢𝐧𝐭𝐚𝐢𝐧𝐞𝐝 𝐌𝐨𝐛𝐢𝐥𝐞/𝐖𝐞𝐛 𝐀𝐩𝐩𝐬 𝐟𝐨𝐫 𝐚 𝐝𝐢𝐯𝐞𝐫𝐬𝐞 𝐫𝐚𝐧𝐠𝐞 𝐨𝐟 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬, 𝐢𝐧𝐜𝐥𝐮𝐝𝐢𝐧𝐠: ➜ Transportation & Logistics ➜ E-Commerce & Retail (Including POS) ➜ On-Demand Services ➜ Dating & Social Platforms ➜ SaaS & B2B Tools ➜ EdTech & OTT (Video Streaming & Learning Apps) ➜ Health & Fitness ➜ Fintech & Business Apps ➜ Real Estate & Property Tech ➜ Travel & Hospitality ➜ Event Management & Ticketing ➜ Legal & Compliance ➜ HRTech & Recruitment ➜ News, Media & Content Platforms ➜ Agritech / Field Services 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐈 𝐨𝐟𝐟𝐞𝐫: 🧩 Full Stack Web Development (React, Node.js, Next.js, NestJS) 🧩 Cross-Platform Mobile Development (React Native / Flutter) 🧩 API Design & Integration (REST, GraphQL, Firebase, third-party APIs) 🧩 Cloud Database Design & Integration (MongoDB, PostgreSQL, Firebase) 🧩 AI-Powered Features (Chatbots, NLP, recommendation systems) 🧩 UI/UX to Frontend Conversion (Figma/Adobe XD to Code) 🧩 MVP Development with Agile Sprints & Version Control 🧩 App Testing, Debugging & Performance Optimization 🧩 App Store / Play Store Submission and Post-launch Support If you're looking for a senior-level mobile + web developer who can take full ownership of your codebase, solve technical problems at scale, and integrate into your team like a pro, let's connect. 📩 Click the green "Invite to Job" button, or send me a message. I'm happy to discuss your project goals and share how I can bring them to life.

🙋‍♂️ Hi there! 🕒 Available 24/7 Providing the best SEO & AI SEO services to get #1 Rankings on Google Search Engines with real results 🚀 🔥 PROFILE OVERVIEW 🔥 🏆 10+ years of experience as an SEO Expert 🏆 Specialized in AI-Powered SEO & Traditional SEO 🏆 Experience with WordPress, Shopify, Wix, Squarespace, Webflow & E-commerce SEO 🏆 Proven track record in Local SEO, Technical SEO, and Global SEO campaigns 👋 Hi, I’m Govind, and I provide complete SEO services designed to boost your website’s rankings, traffic, and conversions. My expertise covers both classic SEO techniques and the latest AI-powered SEO strategies, giving you a strong edge over competitors. 🏆 What I Do Best: Technical SEO – Website audits, crawl/indexing fixes, site speed, mobile optimization. On-Page SEO – Keyword research, optimized titles, meta descriptions, headings, schema, and internal linking. Off-Page SEO – High-quality backlinks, outreach, citations, white-hat link building. Local SEO – Google Business Profile optimization, map ranking, reviews management. E-commerce SEO – Product/category optimization, schema markup, sales-focused strategies. AI SEO – AI-driven keyword research, competitor analysis, content optimization scoring, SEO automation. 🧠 Why My SEO Service is Better? 🧠 🚀 100% White-hat, Google-guideline friendly methods. 🚀 AI + Human expertise = Smarter, faster SEO growth. 🚀 Weekly & Monthly reports with clear results. 🚀 Customized strategies for every business niche. 🚀 Dedicated 24/7 client support. 📃 Services I Provide: ⏩ SEO (On-Page & Off-Page) ⏩ Technical SEO Audits ⏩ Local SEO (Google Maps / GMB) ⏩ AI-Powered SEO & Content Optimization ⏩ Link Building & Authority Growth ⏩ SEO for WordPress, Shopify, Wix, Squarespace, Webflow, etc. ➡️ Profile Keywords: SEO | AI SEO | Technical SEO | On-Page SEO | Off-Page SEO | Local SEO | E-commerce SEO | SEO Audit | Google Business Profile | Keyword Research | Link Building | Backlink Strategy | SEO Expert | SEO Consultant | SEO Specialist | Organic Traffic | Website Ranking | SEO Services | Digital Marketing | Google SEO | Schema Markup | Content SEO 💡 Still not convinced? Challenge accepted 💪 📞 Book a FREE 15-minute consultation and let’s discuss how I can take your website to the next level with SEO + AI SEO power. Tags:- SEO Expert | AI-Powered SEO | GEO Optimization | Local SEO | E-commerce SEO | White Hat SEO | Technical SEO | On-Page SEO | Off-Page SEO | Link Building | Guest Posting | Content SEO | Google Maps Optimization | SERP Growth | Organic Traffic | Backlink Strategy | PPC | SEM | Digital Marketing | SEO Audits | GMB Optimization | Keyword Research | Content Marketing SEO Strategy | Voice Search Optimization | Schema Markup | Competitor Analysis| AIO | GEO | Local SEO | Google Snack Pack Ranking | Google 3 Pack Ranking | On-Page SEO| Off-Page SEO | Link Building SEO | SEO Expert | SEO Strategy | Google Maps | SEO Audit | SEO Specialist | SEO Keyword Research | Technical SEO | SEO Audit Report | Content SEO | Search Engine Optimization | Google Snack Pack Ranking | Local SEO Expert Advanced Search | SEO | SEO Strategies | On page | Off page | Backlinks | Link Building | Backlink | Hire SEO | Find SEO | Technical SEO | SEO Link Building | Keyword Ranking | Local SEO | SEO Research | On page SEO | Off Page SEO | SEO Consultant | SEO Specialist | SEO Keyword Research | Organic Traffic | SEO Services | Google Search .

Most logos work in isolation. Problems usually start once the identity has to scale across products, dashboards, documentation, print, and real deployment environments. I help growing brands refine identity systems that stay clear, consistent, and reliable across real-world use. My work focuses on: • logo refinement & reconstruction • scalable identity systems • vector precision & deployment consistency • SaaS / infrastructure / analytics brand environments • structured logo variations & usage systems Recent work includes identity refinement systems for SaaS, analytics, and infrastructure-oriented brands where clarity, spacing, scalability, and deployment consistency directly impact long-term usability. I typically work with companies that value operational clarity, long-term consistency, and controlled execution over trend-driven branding.

I help DTC e‑commerce brands increase email-driven revenue 30–50% using Klaviyo email marketing, lifecycle email automation, and conversion-optimized Figma email design. My email systems consistently generate 25–40% of total DTC revenue through optimized Klaviyo flows, email campaigns, and Shopify integration. What I deliver ✅ Klaviyo email flows: welcome series, abandoned cart, browse abandonment, post‑purchase, cross‑sell, upsell, winback, and VIP journeys ✅ Email campaign strategy: weekly promos, seasonal campaigns (Black Friday, product launches), and A/B testing for higher revenue per email ✅ Figma email design: mobile-first responsive templates, dark mode–safe, with countdown timers, product carousels, and preference centers ✅ Email deliverability: SPF, DKIM, DMARC setup, Google Postmaster monitoring, list cleaning, and 90%+ inbox placement Proven results $1.2M Black Friday revenue (DTC fashion; email 82%) 47% increase in repeat purchase rate via winback + VIP segmentation 94% inbox placement after deliverability recovery $45 average ROI per $1 spent across 15+ DTC brands $26.9B revenue growth during Q1 2026 through email and lifecycle automation Stack: Klaviyo, Figma, Shopify, Attentive, Postscript, Recharge, Google Postmaster. Ideal for: Klaviyo setup for new DTC brands, flow optimization audits, email design refreshes, deliverability recovery, and Black Friday campaign management. Message me with your current email revenue %, tech stack, and main growth challenge. I reply within 24 hours with initial Klaviyo audit recommendations.

"Huzaifa is the type of freelancer that you dream of finding on Upwork. He didn't just code, he took ownership of the product itself." ; Ben Feifke, Founder of HeyChef Hi, I'm Huzaifa Shah. I lead a small, senior team based in Pakistan, and we build mobile apps, AI automation systems, and full-stack web platforms for startups and growth-stage companies. My clients usually come to me for one of three reasons: 1. They have an MVP, SaaS product, or marketplace to ship fast and need a senior team that moves quickly without cutting corners on architecture, so growth doesn't force a full rebuild later. 2. They need a production-grade mobile app (Flutter, iOS, Android) that handles real users without breaking, not a prototype that gets rebuilt six months after launch when things get serious. 3. They want to automate real business processes with AI, chatbots, RAG pipelines, AI agents, document intelligence, voice automation, and need someone who has shipped these in production, not just built demos for a portfolio. What makes us different: I personally lead every project. My team handles execution under my direct supervision, which means you get the speed of a team with the accountability of a senior developer who actually cares about your product. That's why every review on this profile is 5 stars and my Job Success Score is 100%. Here's what I deliver: ✔ Mobile App Development: Flutter, React Native, iOS (Swift), Android (Kotlin). We've shipped 20+ production apps including marketplaces, on-demand platforms, fintech, healthcare, fitness, and AI-powered apps. Real-time features, payments, maps, push notifications, App Store / Play Store submission, all handled. ✔ AI Automation & AI App Development: Chatbots, AI agents, RAG knowledge systems, document intelligence, workflow automation (n8n, Make), OpenAI/Claude/Anthropic API integration, vector databases (Pinecone, Supabase). We build AI that solves business problems, not AI that looks impressive in demos. ✔ Full-Stack Web Development: Next.js, React, Node.js, TypeScript, Supabase, Firebase. SaaS platforms, admin dashboards, marketplaces, and web apps that connect cleanly to your mobile product. API-first architecture so everything scales together. ✔ Cloud & Performance: AWS, GCP, Azure deployment. Performance optimization for slow apps, scaling infrastructure for growing traffic, and CI/CD setup so you can ship without breaking things. 🌟 Recent Client Feedback: "Truly exceptional is one word to explain how good Zaif and his people are. I've worked with a lot of developers, and Zaif is easily the best." ; William Miller, Founder of Rosper "Working with Huzaifa and his team has been one of the best experiences we've had on Upwork." ; Joshua Scott, Founder of Quench "Huzaifa arrived to my project when I was in a tight spot. He communicated a realistic timeline and met it with ease." ; Past Upwork client ✅ Top 1% Mobile App and Web App developer ✅ 100% Client Success Score ✅ I'm hands-on. You talk to me directly, not an account manager. ✅ We treat your product like our own. If we spot something you missed, we tell you. ✅ We over-communicate. Daily updates, Loom walkthroughs, and zero ghosting. Industries we've built for: Fintech, healthcare, real estate, e-commerce, on-demand services, fitness, education, marketplaces, social platforms. Tech we use: Flutter, React Native, Swift, Kotlin, React, Next.js, Node.js, TypeScript, Python, Firebase, Supabase, MongoDB, PostgreSQL, AWS, GCP, OpenAI API, LangChain, Pinecone, n8n. If you're building something that matters, a mobile app, an AI product, or a full SaaS platform, let's talk. Send me a message with what you're working on and I'll reply with honest, specific thoughts on your project.

Most teams hire a data engineer to build the pipelines, then a separate AI engineer to build on top of them, and lose weeks in the handoff. I do both. I'm Hammad Saleem, with 9+ years architecting cloud data infrastructure and 5+ years building the production AI systems that run on it. The data foundation (Snowflake, Databricks, Redshift, BigQuery, Airflow, multi-cloud ETL/ELT) and the AI layer (RAG, multi-agent orchestration, fine-tuned LLMs, vector search) come from one owner, architecture through deployment. That overlap of data engineering, cloud/MLOps, and LLM/agent specialization in one person is exactly what most profiles only cover half of. A few systems I've shipped recently: - A multi-agent inventory-intelligence platform for 9 automotive clients (including JLR, Penske, Holman): 5 specialized agents handling self-correcting SQL generation against Redshift, Looker integration, and reporting across 128K to 10M token contexts. - A pharma marketing AI serving 11 brands: fine-tuned request routing, multi-modal asset generation, and per-client vector stores for brand-compliant, citation-backed retrieval with HCP/DTC segmentation. - An enterprise multimodal AI platform on Llama 3.1 8B with custom LoRA fine-tuning (85.6% accuracy) and a RAG system over 480+ documents returning 3 to 4x more relevant results than baseline search. The data foundation under that work runs just as deep: pipelines processing ~3B rows/day at a national telecom, a 45% AWS cost reduction through rightsizing and storage tiering, an 80% cut in pipeline processing time, and multi-cloud financial reconciliation across Salesforce, SAP, and ad platforms that removed 70% of manual effort. Where I fit best: - Teams with messy or scattered data that needs to become a reliable foundation for analytics and AI. - Companies past the prototype stage that need an AI system to actually hold up in production: observability, retries, cost control, evaluation. - Founders and CTOs who want one engineer accountable from data ingestion through the deployed AI feature, including the full-stack/API layer that exposes it to users. How I work: I scope to outcomes, design for cost and scale before writing code, instrument everything (Opik, CloudWatch), and leave you with systems your team can run without me. I'm equally comfortable owning architecture solo or embedding with an existing team. Core stack: Python, SQL · AWS (Lambda, ECS/EKS, Redshift, S3, Step Functions) · GCP (BigQuery, Pub/Sub) · Snowflake · Databricks · Airflow, Prefect · OpenAI, Anthropic Claude, Gemini, Llama · LangChain, LlamaIndex, multi-agent orchestration, RAG, vector databases · Docker, Terraform, CI/CD. Certifications: Microsoft Azure AI Fundamentals · Microsoft Azure Data Fundamentals · IBM Machine Learning with Python · IBM Data Analysis with Python. If you're building data infrastructure, an AI product, or both, and you'd rather have one senior owner than stitch together two, send me a note with what you're trying to ship. I'll tell you honestly how I'd approach it and whether I'm the right fit.