I help SaaS platforms and e-commerce businesses build, fix and stabilize payment systems. I specialize in Stripe integrations, subscription billing and multi-PSP payment architectures, with hands-on experience working with Stripe, Adyen, Worldpay, HiPay, Dalenys, Redsys and Revolut. I’m often brought in when payments stop working in production, failed payments, broken subscriptions, webhook issues or inconsistent payment states. Typical work I handle: • Stripe Checkout and payment integrations • Subscription billing systems (Stripe Billing) • Webhook debugging, idempotency and event reliability • Payment gateway migrations (Adyen, Stripe, etc.) • Fixing failed payments and broken renewal flows • Payment lifecycle synchronization (charge, refund, dispute) I’ve worked on high-volume payment systems handling thousands of daily transactions, designing reliable and scalable payment flows in production environments. If your payment system is not behaving as expected, I can help you quickly identify the issue and implement a clean, reliable solution.

Are you building a marketplace, SaaS platform, eCommerce store, or mobile app that needs a rock-solid payment system? You've just found your expert. I specialize in Stripe Connect — the go-to solution for multi-vendor marketplaces, platform payouts, split payments, and connected account onboarding. Whether you need Standard, Express, or Custom Connect accounts, I'll architect the right flow for your business model. STRIPE & PAYMENT GATEWAY SERVICES ▸ Stripe Connect (Standard / Express / Custom) ▸ Stripe Checkout, Stripe Elements & Payment Intents API ▸ Stripe Billing — subscriptions, usage-based pricing, invoicing & dunning ▸ Stripe Radar — fraud prevention, custom rules & risk scoring ▸ Stripe Terminal — in-person payment integration ▸ Payment gateway integration (Stripe, Braintree, PayPal, Adyen, Square) ▸ One-time payments, split payouts & platform fee automation ▸ ACH, SEPA, BACS & multi-currency payment flows ▸ Failed payment recovery & smart retry logic ▸ Real-time webhook automation & event-driven architecture SECURITY & COMPLIANCE ▸ PCI-DSS compliant payment architecture ▸ 3D Secure (SCA / Strong Customer Authentication) ▸ Card tokenization & secure vault storage ▸ Encrypted webhooks & endpoint signature verification ▸ KYC/AML compliance for Stripe Connect platforms AI-ENHANCED PAYMENT SYSTEMS I bring hands-on AI experience to modern payment engineering: ▸ AI-assisted fraud detection workflows with Stripe Radar ▸ LLM-powered financial reporting & revenue dashboards ▸ Intelligent churn prediction & automated recovery triggers ▸ AI-driven smart retry logic for failed payments ▸ Automated dispute management using machine learning PLATFORMS & TECH STACK ▸ Node.js, Python, PHP, React, Next.js ▸ REST APIs, GraphQL & webhook integrations ▸ AWS, GCP & serverless payment backends ▸ Shopify, WooCommerce & headless eCommerce ▸ B2B SaaS, marketplace platforms & mobile apps (iOS/Android) WHY CLIENTS HIRE ME ✔ Certified Stripe integration expertise ✔ End-to-end ownership — from architecture to go-live ✔ Optimized checkout flows that reduce cart abandonment & maximize conversion ✔ Scalable, low-latency payment infrastructure built for growth ✔ Clear communication and on-time delivery Let's build a payment system that works flawlessly and scales with your business. Send me a message — I'm ready to discuss your project.

I’m a Full-Stack Developer with 10+ years of experience building high-performance, scalable web applications — specializing in Ruby on Rails and Shopify development. I’ve successfully delivered projects across eCommerce, SaaS, IoT, and real-time systems, helping businesses ship faster, scale reliably, and seamlessly integrate with third-party services. Over the years, I’ve worked with companies like Danube.sa, Tractive, and SpaceOS, leading engineering efforts to build real-time tracking systems, multi-tenant SaaS platforms, and high-volume checkout engines. My approach combines strong technical expertise with a product-focused mindset — ensuring that the solutions I deliver are both robust and aligned with business goals. Core Skills & Expertise Backend Development: Ruby on Rails, Service Objects, Interactors, Grape API, GraphQL, RESTful JSON/XML APIs Frontend Development: Hotwire, Stimulus.js, React, Vue.js, Angular, Slim, HAML, CoffeeScript, Bootstrap, SASS Databases & Search: PostgreSQL, MySQL, MongoDB, Redis, Memcache, Elasticsearch, Solr eCommerce Development: Shopify (custom apps, themes, checkout flows), Solidus/Spree, A/B Testing, Promotions Payments Integration: Stripe, PayPal, Adyen, Braintree, FirstData, Subscription Billing Real-Time Features: ActionCable, Hotwire, Turbo Streams, WebSockets, Pusher Background Processing: Sidekiq, Redis, RabbitMQ, Mailers Testing & Security: RSpec, Cucumber, MiniTest, FactoryBot, OWASP-based security practices DevOps & Infrastructure: Docker, CI/CD (GitHub Actions, Jenkins), Heroku, Capistrano, Puma, Nginx, Apache Integrations: Amazon S3, Mandrill, Mailchimp, Twilio, Google Maps, Highcharts, Web Scraping SaaS Architecture: Multi-tenant platforms (Apartment gem), Rails Engines, Headless CMS, Microservices Why clients hire me: 10+ years of hands-on development experience with proven success in Ruby on Rails and Shopify projects Strong expertise in scaling systems, API development, and complex integrations Focus on clean, maintainable code that reduces long-term technical debt A track record of delivering projects that drive measurable business results Whether you need to launch a new Shopify store, customize your eCommerce checkout flow, build a scalable SaaS platform, or integrate complex APIs, I can help you deliver a solution that’s both technically solid and business-driven.

𝐒𝐞𝐧𝐢𝐨𝐫 𝐞-𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫 𝐛𝐮𝐢𝐥𝐝𝐢𝐧𝐠 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧-𝐠𝐫𝐚𝐝𝐞 𝐒𝐡𝐨𝐩𝐢𝐟𝐲 𝐏𝐥𝐮𝐬 𝐬𝐲𝐬𝐭𝐞𝐦𝐬, 𝐖𝐨𝐨𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬, 𝟑𝐃 𝐰𝐞𝐛 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞𝐬, 𝐚𝐧𝐝 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐟𝐞𝐚𝐭𝐮𝐫𝐞𝐬 𝐟𝐨𝐫 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬𝐞𝐬 𝐭𝐡𝐚𝐭 𝐡𝐚𝐯𝐞 𝐨𝐮𝐭𝐠𝐫𝐨𝐰𝐧 𝐭𝐞𝐦𝐩𝐥𝐚𝐭𝐞𝐬 𝐚𝐧𝐝 𝐨𝐟𝐟-𝐭𝐡𝐞-𝐬𝐡𝐞𝐥𝐟 𝐚𝐩𝐩𝐬. I work end-to-end on the projects most freelancers can't deliver: multi-store sync, custom checkout flows, 3D product configurators, AI-driven e-commerce features, complex API integrations, and the AWS infrastructure underneath. Architecture, implementation, deployment, and observability — production-grade from day one. Recent work: ⚡ Multi-store Shopify Plus supplier sync platform — 8 suppliers, 30,000+ products across 2 stores, 100,000+ inventory writes per 12-hour cycle. Custom UPC dedup, automated zero-stock recovery, scheduled batch syncs, image extraction pipelines. Live in production. ⚡ AI-powered SEO content pipeline — automated title, description, category, and meta-description generation across 150,000 e-commerce products using Claude and OpenAI, with per-vendor treatment. ⚡ Wix Velo + Montonio integration — JWT-signed payment links, real-time shipping rate calculation via Montonio Shipping API v2, custom checkout delivery-step plugin. ⚡ AI-assisted builds via Base44, Lovable, Rork — fast prototype-to-production work without compromising production quality. What I specialize in: 🛒 E-commerce Development - Shopify Plus apps (Remix, Node.js, GraphQL Admin API, Functions, Flow, B2B) - WooCommerce custom plugin development and complex integrations - Wix Velo development (custom backend logic) - Custom checkout flows, subscription billing, payment infrastructure - Multi-store and multi-supplier inventory sync platforms 🎨 3D Web & Interactive Experiences - Production 3D product configurators (React Three Fiber, Babylon.js, Three.js) - Virtual showrooms and immersive web experiences - WebGL performance optimization for real-world devices - Integration with e-commerce platforms (configure → cart → checkout) 🤖 AI Integration & AI-Powered Features - OpenAI, Anthropic Claude, custom agent integrations - AI-driven content generation for e-commerce at scale - Automated workflows powered by LLMs (classification, extraction, decisioning) - Custom AI agents for inventory, customer service, and operations - RAG systems for searchable knowledge bases ☁️ AWS Architecture & DevOps - Multi-region deployments, IaC (Terraform, CDK), CI/CD pipelines - EC2, ECS, Lambda, RDS, S3, CloudFront, API Gateway - Production observability: CloudWatch, structured logging, alerting - Cost optimization and security hardening ⚙️ Automation - Workflow automation: Zapier, Make, n8n - Custom backend automation: scheduled jobs, ETL pipelines, cron systems - Klaviyo, ReCharge, Yotpo, Stripe, PayPal, Adyen integrations 📱 Mobile & AI-Assisted App Development - Cross-platform apps in Flutter & FlutterFlow - AI-assisted builds via Base44, Lovable, Rork, Replit Agent - Vibe coding workflows with hand-tuning for production deployment How I work: I lead with architecture before code. The first conversation is scoping: I ask the questions that surface hidden constraints, write a clear technical proposal with tradeoffs explained, and quote a realistic price range. No surprise invoices. Daily updates during builds. Screenshots, video walkthroughs when needed. Production-grade error handling, retry logic, observability, automated testing — not happy-path demos. When AI tools accelerate delivery, I use them. When they don't, I write code by hand. I'm not religious about either — only about shipping production-quality systems that hold up under real load. Tech stack: Backend: TypeScript, Node.js, Remix, GraphQL, Prisma, PostgreSQL, Express, Laravel Frontend: React, Next.js, Three.js, Babylon.js, React Three Fiber, Tailwind, shadcn/ui E-commerce: Shopify Admin API, Storefront API, Functions, Flow, App Bridge, WooCommerce, Wix Velo Mobile: Flutter, FlutterFlow, Base44, Lovable, Rork, Replit Agent AI: OpenAI, Anthropic Claude, custom agents, RAG, LangChain AWS: EC2, ECS, Lambda, RDS, S3, CloudFront, Terraform, CDK Integrations: Stripe, PayPal, Adyen, Klaviyo, ReCharge, Yotpo Best fit for engagements: → Custom Shopify Plus app development → Multi-store, multi-supplier infrastructure builds → 3D product configurators integrated with e-commerce → AI-powered features in existing e-commerce platforms → WooCommerce custom plugin and complex integration work → AWS architecture review and production deployments → Long-term retainer arrangements for ongoing technical leadership 📩 Send a message describing your project — what you're building, what's blocking you, or what's broken. I'll respond within a few hours with a candid assessment, scoping conversation, and clear next steps.

Hi there 👋🏻 I am Alexey 🙋🏻‍♂️ Nice to meet you! 🚀Profound expertise in Ecommerce 🚀Bachelor's degree in Computer Science 🚀Years of experience in long-term projects for well-known online shops 🚀Fluent English 🚀Ready to keep up with your time zone 😎Hello, I am an experienced Ecommerce Developer with a proven track record of successful Ecommerce development for online shops all over the world. I am an expert in implementation of valuable technical features, first-class support and API integration for Ecommerce platforms 👌 Having worked with businesses of different scales and domains, I help them to establish business processes and make the webstore management process as easy, transparent and efficient as possible 🤟 ((My primary technical skills)) ⭐️Zend ⭐️Laravel ⭐️Symphony ⭐️PHP ⭐️User authentication ⭐️Authorization between multiple systems, servers, and environments ⭐️Proficiency with Git ⭐️SQL database ⭐️Back-end programming languages ⭐️Web services (SOAP, XML-RPC, REST) ⭐️High-quality technical documentation I always deliver high-quality solutions on time and within budget. My English is fluent and I truly enjoy both verbal and written communication, so no problems with that :) My experience includes working with web services (SOAP, XML-RPC, REST), the ability to author comprehensive technical documentation, and the usage of Linux to maintain and configure Apache/MySQL web servers. Time management skills and the ability to work on different tasks and projects help me to work on my own as well as part of a team. Apart from professional growth, I enjoy traveling to foreign countries, discovering new cultures✈️, sports activities⚽️, and listening to music🎻 😃I would be really glad to help you with your online store, please feel free to contact me anytime!

I'm a Senior iOS Engineer with 6+ years of experience crafting high-performance, secure, and scalable iOS applications. From e-commerce and delivery platforms to AI-driven accessibility, I specialise in building apps that are fast, intuitive, and production-ready. ✅ 𝐂𝐨𝐫𝐞 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 • 𝐢𝐎𝐒 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Swift, SwiftUI, Combine, Objective-C, Core Data • 𝐀𝐩𝐩 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞: MVVM, VIPER, Clean Architecture • 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞: Crash reduction, faster launch times, memory optimization • 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲: Authentication, secure payments (PayPal, Stripe, Adyen) • 𝐂𝐈/𝐂𝐃 & 𝐃𝐞𝐯𝐎𝐩𝐬: GitHub Actions, Jenkins, Bitrise • 𝐋𝐞𝐚𝐝𝐞𝐫𝐬𝐡𝐢𝐩: Squad lead, code reviews, mentoring juniors 📌 𝐍𝐨𝐭𝐚𝐛𝐥𝐞 𝐀𝐜𝐡𝐢𝐞𝐯𝐞𝐦𝐞𝐧𝐭𝐬 🏆 𝐖𝐨𝐧 𝐞𝐥𝐆𝐫𝐨𝐜𝐞𝐫 𝐇𝐚𝐜𝐤𝐚𝐭𝐡𝐨𝐧 for implementing 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐟𝐞𝐚𝐭𝐮𝐫𝐞𝐬 📉 𝐑𝐞𝐝𝐮𝐜𝐞𝐝 𝐜𝐫𝐚𝐬𝐡 𝐫𝐚𝐭𝐞𝐬 𝐛𝐲 𝟑𝟎% using Crashlytics 💳 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐞𝐝 𝐬𝐞𝐜𝐮𝐫𝐞 𝐩𝐚𝐲𝐦𝐞𝐧𝐭𝐬 across fintech and delivery apps ⚙️ 𝐋𝐞𝐝 𝐦𝐢𝐠𝐫𝐚𝐭𝐢𝐨𝐧 to modern architectures, boosting scalability and maintainability 💡 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐚𝐭𝐢𝐨𝐧𝐬 I’ve developed and led multiple applications across a wide range of industries, including: • 🤖 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐀𝐩𝐩𝐬 (𝐢𝐧𝐜𝐥𝐮𝐝𝐢𝐧𝐠 𝐂𝐡𝐚𝐭𝐆𝐏𝐓-𝐛𝐚𝐬𝐞𝐝 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬) • 🛒 𝐆𝐫𝐨𝐜𝐞𝐫𝐲 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐲 𝐀𝐩𝐩𝐬 • 🏠 𝐏𝐫𝐨𝐩𝐞𝐫𝐭𝐲 𝐁𝐮𝐲𝐢𝐧𝐠 / 𝐑𝐞𝐧𝐭𝐚𝐥 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 • 💬 𝐒𝐨𝐜𝐢𝐚𝐥 𝐌𝐞𝐝𝐢𝐚 & 𝐂𝐡𝐚𝐭 𝐀𝐩𝐩𝐬 • 🎵 𝐌𝐮𝐬𝐢𝐜 & 𝐀𝐮𝐝𝐢𝐨 𝐒𝐭𝐫𝐞𝐚𝐦𝐢𝐧𝐠 𝐀𝐩𝐩𝐬 • 🎥 𝐕𝐢𝐝𝐞𝐨 𝐒𝐭𝐫𝐞𝐚𝐦𝐢𝐧𝐠 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 • 📸 𝐈𝐦𝐚𝐠𝐞 𝐈𝐝𝐞𝐧𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧 & 𝐑𝐞𝐜𝐨𝐠𝐧𝐢𝐭𝐢𝐨𝐧 𝐀𝐩𝐩𝐬 • 📚 𝐄𝐝𝐮𝐜𝐚𝐭𝐢𝐨𝐧𝐚𝐥 & 𝐄-𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 • 🧘 𝐇𝐞𝐚𝐥𝐭𝐡, 𝐅𝐢𝐭𝐧𝐞𝐬𝐬 & 𝐌𝐞𝐝𝐢𝐭𝐚𝐭𝐢𝐨𝐧 𝐀𝐩𝐩𝐬 • 🧠 𝐏𝐫𝐨𝐜𝐭𝐨𝐫𝐢𝐧𝐠 𝐀𝐩𝐩𝐬 • 📊 𝐑𝐞𝐩𝐨𝐫𝐭𝐢𝐧𝐠 & 𝐀𝐧𝐚𝐥𝐲𝐭𝐢𝐜𝐬 𝐓𝐨𝐨𝐥𝐬 • 🏢 𝐂𝐮𝐬𝐭𝐨𝐦 𝐄𝐑𝐏 & 𝐂𝐑𝐌 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 • 👥 𝐒𝐭𝐚𝐟𝐟 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 & 𝐓𝐢𝐦𝐞 𝐓𝐫𝐚𝐜𝐤𝐢𝐧𝐠 𝐀𝐩𝐩𝐬 • 📅 𝐂𝐚𝐥𝐞𝐧𝐝𝐚𝐫 & 𝐒𝐜𝐡𝐞𝐝𝐮𝐥𝐢𝐧𝐠 𝐀𝐩𝐩𝐬 • 🧩 𝐂𝐮𝐬𝐭𝐨𝐦 𝐈𝐧𝐭𝐞𝐫𝐧𝐚𝐥 𝐂𝐨𝐦𝐩𝐚𝐧𝐲 𝐓𝐨𝐨𝐥𝐬 • 🔐 𝐏𝐡𝐨𝐧𝐞 𝐋𝐨𝐜𝐤 & 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 𝐔𝐭𝐢𝐥𝐢𝐭𝐢𝐞𝐬 • 🪄 𝐀𝐩𝐩𝐨𝐢𝐧𝐭𝐦𝐞𝐧𝐭 𝐁𝐨𝐨𝐤𝐢𝐧𝐠 & 𝐒𝐞𝐫𝐯𝐢𝐜𝐞 𝐒𝐜𝐡𝐞𝐝𝐮𝐥𝐢𝐧𝐠 𝐀𝐩𝐩𝐬 💬 Whether you're 𝐥𝐚𝐮𝐧𝐜𝐡𝐢𝐧𝐠 𝐚 𝐧𝐞𝐰 𝐢𝐎𝐒 𝐚𝐩𝐩 or 𝐮𝐩𝐠𝐫𝐚𝐝𝐢𝐧𝐠 𝐚𝐧 𝐞𝐱𝐢𝐬𝐭𝐢𝐧𝐠 𝐨𝐧𝐞, I bring the 𝐞𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞, 𝐩𝐫𝐞𝐜𝐢𝐬𝐢𝐨𝐧, and 𝐦𝐢𝐧𝐝𝐬𝐞𝐭 to deliver 𝐜𝐥𝐞𝐚𝐧, 𝐞𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭, and 𝐮𝐬𝐞𝐫-𝐟𝐫𝐢𝐞𝐧𝐝𝐥𝐲 solutions. Let’s collaborate to 𝐛𝐫𝐢𝐧𝐠 𝐲𝐨𝐮𝐫 𝐚𝐩𝐩 𝐯𝐢𝐬𝐢𝐨𝐧 𝐭𝐨 𝐥𝐢𝐟𝐞 and take it to the 𝐧𝐞𝐱𝐭 𝐥𝐞𝐯𝐞𝐥!

🏆 I led full stack developer work at Bairro, a startup that reached $25M valuation with $7M raised - serving 50K+ users on a React and Node.js platform I architected as lead full stack developer. That full stack developer experience shaped my approach as a website developer who delivers production-ready results. Over 7+ years as a full stack developer I have shipped 50+ projects across SaaS Platform, Web App, Mobile App, and AI-Powered products using React and Node.js. 🚀 As a Senior Full Stack Developer and Full Stack Engineer I cover the full product lifecycle. I started as a web developer and website developer before becoming a full stack developer who handles React frontend and Node.js backend equally well. My full stack developer react node experience means clients work with one Full Stack Web Developer instead of separate teams. Every full stack developer engagement I take begins with React and Node.js architecture planning and ends with a production-ready SaaS Platform or Web App. 👋 Hi! I am Oleksandr, a Full Stack Developer and website developer specializing in scalable SaaS Development and App Development. As a react developer with strong Node.js skills, I build apps where React handles complex UI logic and Node.js manages APIs and real-time services. My Full Stack Developer approach covers SaaS Web App, Marketplace App, MVP SaaS, and Platform Development projects. Whether you need a Developer Needed for a SaaS Product or a Full Stack SaaS Developer for a Management Platform — I deliver. 📱 My full stack developer background spans diverse ecosystems. I work as a full stack developer ai specialist and AI Engineer implementing machine learning and AI Agent features. I deliver full stack developer shopify specialist work, full stack developer laravel builds, python full stack developer projects, and .net full stack developer enterprise solutions. I use wordpress for CMS-driven website developer projects. As a mobile app developer and React Native specialist I build Mobile App Development products for iOS and Android. I also cover Real Estate and Property Management platforms as a full stack developer. 🌐 As a website developer I build everything from landing pages to enterprise platforms. My website developer work includes react next.js node.js backend developer solutions, word press website developer projects, wordpress developer and website design builds, and shopify website developer integrations. I handle wix website developer requests and follow SEO best practices on every website developer project. Every website developer solution uses React for speed and Node.js for backend power. ⚡ React is my primary framework as a Full Stack Developer and Full Stack Web Developer. React powers SaaS Dashboard, Marketplace App, and Management Platform products I build. I pair React with Node.js creating unified JavaScript stacks as a full stack node.js react specialist. React components communicate with Node.js APIs seamlessly in my full stack developer react workflow. Beyond React I use Vue, Angular, and react native for Mobile App Development — but React with Node.js stays my Full Stack Developer core. 🔧 Node.js is my primary backend as a back end developer and node.js backend developer. I build REST APIs, GraphQL, and microservices using Node.js in every Full Stack Developer project. My node.js react pattern handles heavy traffic for SaaS Platform and Web App clients. Node.js powers authentication, payments, real-time messaging, and AI Agent data pipelines in every full stack developer engagement. 📲 As a full stack mobile developer I deliver Mobile App Development using React Native and react native mobile builds. A Full Stack Developer react node architecture spans web and mobile — one Full Stack Developer handles the full App Development lifecycle. My react native work covers SaaS Product, Marketplace App, and Real Estate mobile platforms. 🔗 As a Full Stack Developer and web developer I integrate services across every website developer project. React frontends connect to CMS, e-commerce, and CRM solutions. Node.js services plug into Stripe, Twilio, and dozens of APIs. My website developer and Full Stack Developer solutions deliver production-ready SaaS Development results on time and on budget. ✅ Every website developer and Full Stack Developer project follows clean architecture. React stays modular, Node.js stays documented, deployments run automatically. React and Node.js together are the Full Stack Developer foundation I build on. I validate every Web App and SaaS Platform against real benchmarks. React. Node.js. Full Stack Developer. website developer. React. Node.js. full stack developer. React. Node.js. React. Node.js. full stack developer. website developer. React. Node.js. 🔑 full stack developer. React. Node.js. website developer. React. Node.js. full stack developer. React. Node.js. website developer. full stack developer. React. Node.js. React. Node.js.

Top Rated Plus Full-Stack & Mobile App Developer with $80K+ earnings and 100 percent Job Success on Upwork. I specialize in building scalable SaaS platforms, AI-powered applications and cross-platform mobile apps using Next.js, React, React Native, Node.js, Supabase, PostgreSQL and AWS. I help startups and enterprises build production-ready products from MVP to scale. 🌟 𝑨𝒃𝒐𝒖𝒕 𝑴𝒆: With 8 years of rich experience in Web Development, I have honed my skills working both individually and as part of a dynamic team. My ultimate goal is to exceed client expectations by delivering top-notch, quality work. Your satisfaction is my priority! 🎯 💼 𝑴𝒚 𝑬𝒙𝒑𝒆𝒓𝒕𝒊𝒔𝒆: 🌐 𝑭𝒓𝒐𝒏𝒕𝒆𝒏𝒅 𝑻𝒆𝒄𝒉𝒏𝒐𝒍𝒐𝒈𝒊𝒆𝒔: Next Js React.js React Native HTML/CSS Shadcn/Tailwind Bootstrap JavaScript jQuery 🔧 𝑩𝒂𝒄𝒌𝒆𝒏𝒅 𝑻𝒆𝒄𝒉𝒏𝒐𝒍𝒐𝒈𝒊𝒆𝒔: Symfony (v3, v4, v5) Laravel Node.js Express.js Core PHP 🗄️ 𝑫𝒂𝒕𝒂𝒃𝒂𝒔𝒆𝒔: Prisma Supabase PostgreSQL MySQL MongoDB ☁️ 𝑩𝒂𝒄𝒌𝒆𝒏𝒅 𝑺𝒆𝒓𝒗𝒊𝒄𝒆𝒔: Vercel AWS Azure Railway Firebase 🔗 API Development: Proficient in creating robust APIs using the above technologies. 📱 Mobile App Development: React Native Expo Cross-Platform App Development (iOS & Android) Push Notifications In-App Purchases & Subscriptions Firebase & Supabase Integration REST API Integration 💳 𝑷𝒂𝒚𝒎𝒆𝒏𝒕 𝑮𝒂𝒕𝒆𝒘𝒂𝒚 𝑬𝒙𝒑𝒆𝒓𝒕: Stripe PayPal Razorpay Lemonsqueezy Coinbase Checkout Paygets Payspace Wonderland Oppey Max Pay Adyen Securionpay Trustpay 🛍️ 𝑺𝒉𝒐𝒑𝒊𝒇𝒚 𝑺𝒑𝒆𝒄𝒊𝒂𝒍𝒊𝒔𝒕: Custom Theme Development Shopify Liquid Expertise App & API Integrations Checkout Page Customization Conversion-Focused Product Pages 🤖 𝑨𝑰 𝑰𝒏𝒕𝒆𝒈𝒓𝒂𝒕𝒊𝒐𝒏𝒔: AI Chatbots & Virtual Assistants AI-Powered Recommendations (personalization) OpenAI, Claude & LangChain Integrations Image/Video Processing with AI APIs AI in Healthcare, Fitness & E-commerce solutions 🌱 𝑪𝒐𝒎𝒎𝒊𝒕𝒎𝒆𝒏𝒕 𝒕𝒐 𝑺𝒖𝒄𝒄𝒆𝒔𝒔: When I take on a project, I take full responsibility to ensure its success. Your project's success is my mission! 🚀 🤝 𝑳𝒐𝒐𝒌𝒊𝒏𝒈 𝒇𝒐𝒓 𝑳𝒐𝒏𝒈-𝑻𝒆𝒓𝒎 𝑪𝒐𝒐𝒑𝒆𝒓𝒂𝒕𝒊𝒐𝒏: I am eager to establish long-term partnerships and seize new opportunities. Let's connect and make your project a success together! You won't regret it!

Whether you're validating an MVP, scaling an existing SaaS platform, or planning your next product — message me "ARCHITECT" for a free 30-min technical review. We'll review your architecture, identify technical risks, and outline the fastest path to production. No sales pitch — just actionable engineering feedback from someone who's shipped production software for a decade. Building a SaaS product, MVP, or internal platform that needs to launch and scale? I help founders turn ideas into production-ready software. With 10+ years of experience, I design, build, and scale full-stack SaaS platforms, secure backends, and modern web applications using Next.js, NestJS, Node.js, and cloud infrastructure — integrating AI only where it delivers measurable business value. I've built B2B SaaS, enterprise ERP systems, e-commerce platforms, and AI-powered applications used by startups, institutions, and growing businesses. I work as a long-term technical partner, helping founders make sound technical decisions from MVP to scale. Before development begins, I focus on reducing risk, avoiding unnecessary complexity, and designing systems built for long-term growth. Whether you're a solo founder or an established product team, I prioritize practical solutions, predictable delivery, and maintainable software. 🚀 FROM IDEA TO PRODUCTION You work directly with the engineer designing and building your product — no unnecessary handoffs. • Product architecture & technical planning • Database design & data modeling • Backend APIs & business logic • Frontend development & UI implementation • Cloud deployment & DevOps • Long-term maintenance & scaling 🔵 CORE EXPERTISE • Full-Stack SaaS Development — Next.js, React, TypeScript, NestJS, Node.js • MVP Development — from idea to launch without unnecessary complexity • Backend Architecture — scalable APIs, queues, performance, and data design • API Integrations & Payments — Stripe, Adyen, Yuno, webhooks, third-party APIs • AI Features & Automation — RAG, LLM integration, AI agents, workflow automation 🔵 TRACK RECORD • Designed scalable multi-tenant SaaS platforms with secure authentication, subscription billing, and APIs built for long-term growth • Helped startups launch production-ready MVPs with architectures designed to support future growth instead of costly rewrites • Built high-traffic e-commerce platforms capable of handling large transaction volumes and complex business workflows • Delivered enterprise ERP solutions that streamlined procurement workflows and reduced manual operations • Integrated AI capabilities—including RAG, LLMs, and agentic workflows—into production software to solve real business problems • Built real-time fleet and transport platforms capable of supporting high-volume operational workloads Full project details and case studies are available in my portfolio. 🟠 WHAT I BUILD → SaaS Platforms & MVPs Multi-tenant SaaS · MVP development · product development · subscription billing · secure authentication · admin dashboards → Full-Stack Web Applications & APIs Next.js · React · NestJS · Node.js · Laravel · REST API · GraphQL → AI Features & Automation AI agents · RAG · LLM integration · workflow automation · vector search → API Integrations & Payments Stripe · Adyen · Yuno · third-party APIs · webhooks · subscription billing → Backend Architecture & Scaling PostgreSQL · Redis · Docker · microservices · queues · cloud architecture · performance optimization ⭐ WHY CLIENTS WORK WITH ME • Architecture before implementation • Business-focused technical decisions • Clean, maintainable code • Clear communication • Long-term scalability—not quick fixes 🟢 INDUSTRIES SaaS • AI/ML • E-Commerce • FinTech • Enterprise ERP • EdTech • Logistics 🔧 TECH STACK Backend: NestJS · Node.js · Laravel · PHP · Express · REST API · GraphQL Frontend: React · Next.js · TypeScript · Tailwind CSS AI & LLM: OpenAI · Anthropic Claude · Ollama · LangChain · RAG · ChromaDB · pgvector · vector search Databases: PostgreSQL · MySQL · MongoDB · Redis Cloud & DevOps: AWS · GCP · Azure · Docker · CI/CD · Nginx · microservices Payments: Stripe · Adyen · Yuno I believe successful software is built on clear communication, transparent planning, and maintainable architecture. I use AI where it solves real business problems—not where it simply adds complexity. 📩 Whether you're validating an MVP, scaling an existing SaaS platform, or planning your next product — send me an invite or message "ARCHITECT" for a free 30-minute technical review. ───────────────────────────────────────────── SaaS Development · MVP Development · Full Stack Developer · Web Application Development · Product Engineering · Software Architecture · API Development · Next.js · NestJS · Node.js · React · TypeScript · PostgreSQL · Redis · Docker · Multi-Tenant SaaS · Technical Consulting · AI Integration · Backend Architect

Full Stack Developer SaaS focused on turning complex product ideas into stable, scalable platforms Recent Client Results: ✔️ launch SaaS products in 6-10 weeks ✔️ improve API performance by 30-45% ✔️ reduce manual operations by 40-60% ✔️ build platforms ready to support 10k+ users. As a Full Stack Developer React Node and SaaS Developer I help startups and established businesses. I bring 16+ years in software development, 225+ delivered products and 9+ years of hands-on Node.js experience. As a Certified Full Stack Developer React Node and Web Full Stack React Developer, I focus on business outcomes first: launching SaaS MVPs 30–40% faster, improving release stability, building scalable architecture, and reducing costly rework as products grow. My experience as a Full Stack React JS specialist allows me to deliver production-ready solutions with React.js, Node.js, Next.js, Nest.js, and modern JavaScript Developer workflows, supporting platforms with 10k+ users, 99.9% uptime targets, and integrations across APIs, payments, CRMs, and AI tools. As a Backend Developer Nest.js with strong TypeScript Backend Development skills, I design maintainable server-side application architecture, secure APIs, and clean business logic for SaaS, internal tools, marketplaces, and custom platforms. As a Node js Developer, Nodejs Developer, and Nodejs Backend Developer, I use Node.js to simplify complex workflows, improve backend stability by 30–45%, and support products built on both SQL and NoSQL databases. My Typescript Nodejs background helps teams move 25–35% faster with modular services, readable code, and easier long-term maintenance. I also build advanced integrations with Stripe, third-party services, and node.js graphql solutions for scalable product ecosystems, including platforms with 10k+ users, 99.9% uptime targets, and 20+ API/payment/CRM integrations. I’m a Full Stack Developer React Node with deep experience in scalable web application development across SaaS platforms, CRM systems, dashboards, admin panels, internal tools, and custom business products. My React js Node js work is focused on shipping fast, usable, and maintainable solutions that support real business goals. As a React Developer and Full Stack Developer React Node, I build responsive, scalable interfaces using React, JavaScript, Node.js, and Next.js. My work as a React JS Developer and React JS / Next.js / NestJS Developer focuses on creating fast, user-friendly products that improve usability, support growth, and reduce friction across the customer journey. I also work as a React Native Developer ( Full Stack Developer SaaS ) when a product needs mobile-first extensions or companion app experiences aligned with the main platform. As a Full stack AI SaaS developer, I help businesses with scalable SaaS Projects, Edtech Products with dashboards and payment flows, advanced e-commerce solution beyond CMS limits, Corporate Websites with strong backend logic, marketplace platforms with secure transactions, Authentication and Security with JWT-based access control, API Development and Integration, GraphDB, REST API, node.js graphql, CRM Development, Payment Gateways Stripe Paypal Liqpay, Database Management & Optimization and ongoing Deployment & Maintenance. I also bring practical experience with PHP, Laravel, Python, Vue.js, Angular, React, Node.js, full stack developer supabase react, full stack react native spring boot, JavaScript, MySQL, WordPress, Tailwind CSS, Bootstrap, HTML, HTML5, CSS and CSS 3, TypeScript, Redux, jQuery, Responsive Design, Web Design, PHP, MongoDB, Next.js python full stack developer, full stack developer ai, full stack developer react, full stack developer shopify My work covers full stack node.js react for modern Web Application products, including custom API development and API Integration, while Git supports a clean and reliable delivery workflow. I also bring strong Web Design awareness, helping create interfaces that are not only functional, but also responsive, polished and user-friendly. 👉If you need a Full Stack Web Developer who can launch faster, improve performance, stabilize architecture, and build for long-term growth - let’s discuss your product.