💰 $3M+ in daily fintech transactions. 99.97% uptime. 15 years of Java. That's not a resume line, it's a live production system I architected that processes payments every single day without incident. 15 + years of Java means I've seen every failure mode. Debugged every production incident. Inherited every legacy monolith that was working fine until it wasn't. When I design your backend architecture, I'm accounting for problems you haven't hit yet, because I've already hit them at Fortune 500 scale. 📊 THE NUMBERS → $3M+ daily fintech transactions processed at 99.97% uptime, zero payment failures → 100K+ concurrent users on SaaS platforms I architected from design to deployment → 5M+ daily microservice messages processed via Kafka event-driven architecture → 70% API response time improvement through query optimization and service redesign → $730K+ in documented client infrastructure and code optimization savings → 8+ years at Fortune 500 companies, enterprise engineering standards applied by default → Java 21, Java 17 LTS, and Kotlin in active production, current stack, not legacy 🔷 BACKEND ARCHITECTURE SERVICES ● Spring Boot Microservices ✦ Microservices architecture design ✦ Spring Boot REST APIs ✦ Spring WebFlux + Project Reactor ✦ Spring Cloud full stack ✦ GraphQL API design and gRPC service-to-service communication for internal architectures ✦ Spring Batch for high-volume data processing ✦ Hexagonal architecture and CQRS/Event Sourcing patterns for complex domain models ✦ Legacy Java EE monolith modernization ✦ Java 21 virtual threads for simplified high-throughput I/O-bound services ✦ Apache Kafka & Event-Driven Systems ✦ Kafka architecture design ✦ Event sourcing and CQRS implementation ✦ Saga pattern for distributed transactions across microservices (choreography + orchestration) ✦ Dead letter queue design, consumer lag monitoring, backpressure handling ✦ Kafka Streams for real-time data transformation and aggregation pipelines ● Database Architecture & Performance ✦PostgreSQL ✦Redis ✦Elasticsearch ✦Oracle enterprise database ✦ Database migration strategy 🏦 FINTECH + HIGH-AVAILABILITY SYSTEMS ✦Payment processing systems ✦ PCI-DSS compliance implementation ✦ Financial transaction integrity ✦Real-time settlement and ledger systems ✦ Fraud detection pipeline integration and risk scoring API backends ✦ 99.9%+ uptime architecture ☁️ CLOUD, DEVOPS & OBSERVABILITY ✦ AWS: EC2, ECS (Fargate), EKS, RDS, Lambda, S3, SQS, SNS, CloudFront, ElastiCache ✦Kubernetes ✦ Docker ✦CI/CD ✦Observability ✦JVM performance tuning ✦ Load testing 🏢 WHO I BUILD FOR Fintech companies who cannot afford payment downtime, the $3M daily proof is the answer to "have you done this before?" Enterprise SaaS companies who need Java backends that handle real production load without re-architecture at every growth milestone. CTOs migrating legacy Java EE monoliths to Spring Boot microservices who need the migration done without breaking production. Engineering teams who need a senior Java architect who has operated at Fortune 500 scale and engineered around failure modes before they become incidents. $730K+ in documented savings. 99.97% uptime. 15 years. What does your backend need to handle in the next 12 months? Bhavesh | Sr Java Architect | Spring Boot + Kafka | Fortune 500 | 15+yr KEYWORDS: java developer, spring boot developer, microservices architecture, kafka developer, spring cloud, rest api development, backend developer, java backend engineer, spring boot api, microservices design patterns, kafka streams, event driven architecture, kubernetes deployment, docker containers, aws cloud, gcp cloud, postgresql optimization, redis caching, java spring security, spring data jpa, hibernate, java 17, java 21, reactive programming, spring webflux, api gateway, service mesh, distributed systems, scalable architecture, high availability systems, fintech development, enterprise java, spring boot rest api, kotlin developer, graphql api, ci cd pipeline, jenkins automation, gitops, terraform, cloud native applications, spring boot microservices, java performance tuning, database optimization, system design, technical architecture, full stack java

⭐ Top Rated Plus 💻 React / NextJS / Headless ✅ 12+ Years of Professional Experience I'm a British Full stack developer with 10+ years of commercial experience, specializing in responsive web and application development using JAMstack technologies. The skills I'll bring to your team or project are: ✔ JavaScript ✔ TypeScript ✔ React ✔ Next ✔ Gatsby ✔ Zustand ✔ GraphQL ✔ Headless CMS ✔ Html ✔ CSS/SCSS ✔ Responsive design ✔ Accessibility (a11y) ✔ Framer Motion ✔ Styled Components ✔ Tailwind CSS ✔ Material UI ✔ Bootstrap ✔ Storyblok ✔ Sanity ✔ Contentful ✔ Strapi ✔ tRPC ✔ Prisma ✔ PostgreSQL ✔ Supabase ✔ Express.js Shopify Headless eCommerce: ✔ Shopify Hydrogen (Including Headless CMS integration) ✔ Shopify-SDK / Shopify-Buy ✔ Storefront API / Admin API ✔ Data-Layer Tracking (Elevar etc) ✔ Notifications (Klaviyo) ✔ Reviews (Yotpo) Thank you for taking the time to read my profile, I look forward to the opportunity of working with you.

𝐌𝐨𝐬𝐭 𝐟𝐨𝐮𝐧𝐝𝐞𝐫𝐬 𝐜𝐨𝐦𝐞 𝐭𝐨 𝐦𝐞 𝐚𝐟𝐭𝐞𝐫 𝐭𝐡𝐞𝐢𝐫 𝐟𝐢𝐫𝐬𝐭 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐛𝐮𝐫𝐧𝐞𝐝 𝐭𝐡𝐞𝐦. Missed deadlines. Spaghetti code nobody else can touch. A "working" MVP that breaks the moment a second user logs in. Or worse, an AI integration that's just a ChatGPT wrapper dressed up as a product. If that sounds familiar, keep reading. I build AI-powered SaaS applications that ship, scale, and survive real users. Production-ready systems with clean architecture, proper auth, billing that doesn't leak revenue, and AI that does something genuinely useful. 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐨𝐧 𝐔𝐩𝐰𝐨𝐫𝐤. 𝟗𝟓% 𝐉𝐒𝐒. 𝟏𝟎𝟓+ projects across SaaS, FinTech, HealthTech, EdTech, and e-commerce. Not a single client has rewritten a codebase I handed them. 𝐖𝐡𝐨 𝐈 𝐰𝐨𝐫𝐤 𝐰𝐢𝐭𝐡 Startups and funded founders who need to ship fast without technical debt that kills Series A velocity. Small businesses (1-50 employees) who've outgrown off-the-shelf tools and need software that fits how they operate. Mid-market companies needing automation, AI workflows, or internal tooling that slots into existing systems. E-commerce brands who need custom storefronts, AI recommendation layers, or backend automation that cuts overhead. Agencies and resellers who need a white-label technical partner who hits scope without babysitting. 𝐖𝐡𝐚𝐭 𝐈 𝐛𝐮𝐢𝐥𝐝 AI Engineering - RAG Systems: Production pipelines using Pinecone, pgvector, and Chroma. Legal search, healthcare knowledge bases, financial reports, enterprise Q&A. - OpenAI API: GPT-4o pipelines, function calling, fine-tuning, Assistants API. Cost-efficient, no surprise invoices. LangChain and LangGraph: Multi-agent architectures for AI that can plan, delegate, and self-correct. - AI Automation: n8n, Make .com, Zapier. Data sync, AI-triggered actions, CRM integrations, webhook orchestration. 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 - Next.js App Router: Server components, Server Actions, SSR/ISR/CSR chosen for performance, not habit. - Backend: Node.js and NestJS REST APIs and GraphQL with security and validation as first-class concerns. - Database: Supabase and PostgreSQL with RLS, realtime subscriptions, schema that won't force a migration in six months. - Auth and Multi-tenancy: Clerk, Supabase Auth, RBAC. Hundreds of businesses from a single codebase. - Payments: Stripe subscriptions, metered billing, upgrade/downgrade flows, webhook reliability. - DevOps: AWS, GCP, Vercel, Docker, GitHub Actions. Dev, staging, and production parity. 𝐑𝐞𝐜𝐞𝐧𝐭 𝐛𝐮𝐢𝐥𝐝𝐬 - HealthdeskAI: AI CRM for fitness businesses with autonomous OpenAI pipeline for member comms, scheduling, and churn detection. Replaced 3 hours of daily admin. - Crypto Report Platform: RAG pipeline ingesting live market data for automated crypto analyses. Replaced manual research process. - SellrGrid: Multi-tenant marketplace with three Stripe tiers, Clerk auth, and org-level data isolation. - Smart Trainer LMS: Multi-role LMS with AI analytics, auto-generated certificates, live cohort and self-paced workflows. - RestoCommand: Restaurant SaaS with POS integration, inventory, scheduling, and AI demand forecasting. 𝐖𝐡𝐲 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐤𝐞𝐞𝐩 𝐜𝐨𝐦𝐢𝐧𝐠 𝐛𝐚𝐜𝐤 - Scoping first: No code until we both understand exactly what we're building. - Architecture document: Data models, API surface, auth flows, and deployment strategy before anything else. - Weekly staging demos: Working, clickable software every week. Not status updates. - Handoff-ready code: TypeScript-strict, documented, readable by any developer you bring on later. - Focused capacity: 2-3 projects at a time. Full attention, no juggling. 𝐇𝐨𝐰 𝐭𝐨 𝐰𝐨𝐫𝐤 𝐰𝐢𝐭𝐡 𝐦𝐞 - Step 1: Send your brief, what you're building, where you are, timeline, and ballpark budget. - Step 2: 30-45 minute scoping call. You'll leave clearer regardless of whether we work together. - Step 3: Proposal with scope, deliverables, timeline, and pricing. No ambiguity. - Step 4: Build with weekly demos and staging access. - Step 5: Clean handoff with full documentation. 𝐓𝐞𝐜𝐡 𝐬𝐭𝐚𝐜𝐤 - Frontend: Next.js, React, TypeScript, Tailwind CSS, shadcn/ui - Backend: Node.js, NestJS, tRPC, REST, GraphQL - AI/ML: OpenAI, LangChain, LangGraph, RAG, Pinecone, pgvector, Chroma - Database: Supabase, PostgreSQL, MongoDB, Redis - Auth: Clerk, Supabase Auth, RBAC, multi-tenancy - Payments: Stripe subscriptions, usage billing, Connect - Automation: n8n, Make .com, Zapier - DevOps: AWS, GCP, Vercel, Docker, GitHub Actions ⭐ 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 · 𝟗𝟓% 𝐉𝐒𝐒 · 𝟏𝟎𝟓+ 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬 · 𝟏𝟎+ 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 If your product matters and your deadline is real, let's build it right. 📩 Message me with your project brief. I respond within a few hours.

I'm Mustafa — a Laravel and WordPress developer with 13+ years of experience building web applications that actually hold up under real-world pressure. I work with businesses that need a reliable technical partner for the long term — someone who understands their system deeply, not just completes tickets. What I build: Laravel & Custom Web Applications: Secure, well-architected backends built to scale. I've delivered 100+ projects, including SaaS platforms, multi-vendor marketplaces, and complex business tools. Getting the architecture right from day one prevents expensive rebuilds later. WordPress & WooCommerce: Custom theme development, plugin development, WooCommerce stores with complex requirements — subscriptions, multi-currency, custom checkout flows. Not template work — proper engineering. AI Integration into Existing Systems: I integrate OpenAI, Claude, and other AI APIs directly into production applications — AI-powered dashboards, automated workflows, and intelligent data pipelines. This is where I'm seeing the most demand right now, and where I add real value beyond standard development. API Development & Integrations: Complex API orchestration, third-party service connections, automation workflows — bringing multiple systems into one reliable platform. How I work: I'm available for long-term engagements (20–40 hrs/week) and well-scoped fixed-price projects. Clear communication, realistic timelines, and clean code that your future developers will appreciate. Let's talk about what you're building. — Mustafa

Shopify Developer specializing in AI apps, conversion optimization, and custom backend systems. If you're looking for a Shopify developer who can actually increase conversion and build AI-powered systems, you're in the right place. ⭐ Top Rated Plus with $300K+ earned, 200+ projects, and a 100% Job Success Score. I’ve built Shopify apps, AI tools, and backend systems used by brands with millions of customers. RESULTS I’VE DELIVERED +20% conversion lift using AI product recommendation systems Mobile PageSpeed from 35 to 90+ (LCP reduced from 8s to under 2s) Shopify apps approved on the public App Store Automated workflows saving hours of manual work WHAT I CAN BUILD FOR YOUR STORE AI + SHOPIFY SYSTEMS AI chatbots and product recommendation engines AI-powered product finders and personalization systems FastAPI + LLM integrations connected to Shopify APIs WhatsApp automation and notification systems CUSTOM SHOPIFY DEVELOPMENT Shopify apps (public and private) Custom themes using Liquid Advanced API integrations (Admin API, Storefront API, GraphQL) SCALING & ADVANCED SETUPS Headless commerce (Hydrogen + Next.js) Shopify Plus migrations and cross-domain setups Subscription systems and B2B wholesale portals WooCommerce and Magento to Shopify migrations with SEO preservation WHY CLIENTS HIRE ME Most Shopify developers use AI tools. I build them. I don’t just develop stores. I build systems that increase conversion, automate operations, and scale with your business. I also run my own e-commerce products, so I understand what actually drives revenue, not just code. TECH STACK Shopify, Liquid, Hydrogen, GraphQL, Storefront API, Admin API Python, FastAPI, Django, Node.js, React, Next.js Postgres, MongoDB, AWS, DigitalOcean LET’S TALK Send me your project details, timeline, and budget. I’ll review everything and reply with a clear plan, not a generic response. Karan

I help startups and growing businesses build fast, scalable web and mobile apps using Python, Laravel, React Native, and React. I work as a full stack developer who can take a product from idea to production with clean code and predictable delivery. If you need a reliable web developer for modern UI work and a strong mobile app developer for iOS/Android builds, I can cover both while staying hands-on as a full stack developer focused on performance, UX, and maintainability. I’ve delivered solutions for founders who need speed now and stability later, and I communicate clearly at every step.🔥 I’m an experienced Web engineer, React engineer, Vue engineer, and React Native engineer with 7 years of production experience. As a full stack developer I can build backend APIs, admin panels, dashboards, and customer-facing apps, and as a web developer I pay attention to UI details that improve conversion and retention. I’ve completed a wide range of successful projects, from MVPs to large systems with long-term maintenance and continuous improvements. 🚀I also lead a web development team, techXen Solutions . We have multiple Laravel developers (Senior PHP and Custom PHP MySQL), Python (Django), and JavaScript (React, Vue, React Native) developers. If your project needs a dedicated mobile app developer, we can staff that role quickly, while I stay involved as a full stack developer to keep architecture, delivery, and communication aligned. When the UI scope grows, a senior web developer can join the project while I remain the full stack developer responsible for end-to-end quality.🚀 Our team has already worked in such industries as: ✅ Marketplace ✅ E-commerce ✅ Travel and Hospitality ✅ Custom ERP (Enterprise Resource Planning) ✅ ChatGPT integration (LLM model in your website front end) ✅ Automotive (car inspection, automotive ERP, car sharing, rental, selling) ✅ Social media (Tinder-like networks, short video platforms, communities) ✅ Sales (CRM systems for sales teams, retail, hospitals, sales departments) ✅ Sport (gym management systems, trainer platforms, fitness apps, club portals) ✅ Legal (document automation, AI-assisted legal processing) ✅ Healthcare (clinic management, booking, mental health software) ✅ Education (LMS, automated training, coaching marketplaces) ✅ Finance (fintech platforms, investment platforms, bank API integrations, calculators) ✅ Manufacturing (shop floor management and automation) ✅ Human resources (HRM systems) ✅ Digital marketing (Meta, Facebook/Instagram, TikTok, Google APIs, analytics) Stack of technologies we use: ✅ HTML/CSS, Bootstrap, Tailwind ✅ JavaScript (React, Vue, Node.js, Express, AdonisJS, Nuxt) ✅ React Native for cross-platform mobile delivery ✅ API integrations (Stripe, PayPal, Twilio, TextMagic, Xero, DocuSign, Google Maps, Meta APIs, and more) ✅ API development (Laravel, Node/Express, Firebase, Python/Django, Go, REST, GraphQL) ✅ PWA (Progressive Web App) ✅ Databases: MySQL, PostgreSQL, MongoDB, DynamoDB, Elasticsearch ✅ Infrastructure: AWS, DigitalOcean, Firebase, Supabase ✅ DevOps and administration: LAMP, CentOS, Ubuntu As a full stack developer, I connect the front end, back end, and infrastructure so releases are smooth. When the scope includes native-like UX, I can collaborate with a mobile app developer without slowing down the API roadmap, and a web developer can refine UI flows while we keep the backend stable. You can hire me as a full stack developer for full ownership, or extend the team and keep me as the full stack developer leading architecture and delivery. If timelines are tight, add a mobile app developer to parallelize mobile features, and add a web developer to accelerate dashboards and front-end work. 🚀 Buzz words clients search for: website development, JavaScript, React MySQL, Amazon Web Services, API integration, database architecture, CRM, custom ERP, REST, GraphQL, Laravel, React, Vue, React Native. If you need a full stack developer who can also guide a delivery team, I’ve done that for years. If you need a reliable mobile app developer for consistent releases and store readiness, we can support that too, and if you need a web developer for pixel-perfect UI, that’s covered. In our work history you’ll find successful products built with React, JavaScript, MySQL, React, Vue, and React Native, plus multiple systems built with Python (Django, Flask, FastAPI). I also use LLM capabilities and AI APIs (including OpenAI integrations) when they genuinely improve the product experience. We have 15 senior developers across React, JavaScript, MySQL, Python, Go, and Node.js. As a full stack developer, I can jump into an existing codebase, stabilize releases, fix bottlenecks, and plan the next iterations. Please contact me for further details and fruitful work. Best regards, Asmar Naeem CEO, TechXen Solutions

🚀 Top Rated Plus | 98%+ Job Success | $80K+ Earned | 3,000+ Hours | ✅ Available to start immediately. ⚡️I'm a dynamic Senior Full Stack AI Developer specializing in Next.js, React, Node.js, TypeScript, MERN, and scalable SaaS applications. Expert in Web and Mobile Development with over 5+ years of experience in React Native, Next, MERN stack. Dedicated to bringing your ideas to life with the latest and most efficient innovative technologies, I can offer my services to clients worldwide, focusing on innovation and user eye-catching user freindly experience. Top Rated Plus Full Stack Engineer with 80k+ earnings specializing in scalable SaaS applications using Next.js, React, Node.js, AI integrations, and modern cloud architecture. I help startups and businesses build fast, modern, high-performance web platforms that are designed for real-world scale, maintainability, and long-term growth. I’ve worked on long-term production applications (600+ hours), SaaS platforms, AI-powered systems, dashboards, booking platforms, and scalable APIs used by real businesses and growing startups. 💼 What I can help you with: • Full Stack Web Development (Next.js, React, Node.js, MERN) • SaaS Application Development • AI Integrations (OpenAI, ChatGPT, AI Agents) • API Development & Third-Party Integrations • Frontend Performance Optimization • Backend Architecture & Scalability • Bug Fixing, Refactoring & Maintenance 🔥 Recent Highlights: • Built and maintained a large-scale booking platform (600+ hours) • Successfully delivered multiple 5⭐ projects with excellent client feedback • Developed scalable production applications for startups and businesses • Long-term collaboration with multiple active clients 🤝 Why clients work with me: • Clear communication and fast turnaround • Clean, scalable, production-ready code • Strong focus on performance and maintainability • Reliable long-term technical support • Ability to work independently and take ownership 🛠 AI-Powered Development Tools & Automation: • Cursor, Claude Code, GitHub Copilot • ChatGPT, v0.dev, Bolt.new • n8n, Zapier, Make (Integromat) • AI Agent & MCP Server Integrations 📩 If you’re looking for a senior developer who can build, optimize, and scale modern web applications efficiently, let’s connect. #FullStackDeveloper #FullStackWebDeveloper #FullStackDevelopment #WebDeveloper #WebDevelopment #WebDesign #WebsiteDesign #WebApplications #Reactjs #ReactDeveloper #ReactNode #ReactRedux #ReactNative #ReactNativeDeveloper #JavaScript #JavaScriptDeveloper #JavaScriptExpert #JavaScriptReact #jQuery #ProfessionalEngineer #TypeScript #ReactTypeScript #AngularTypeScript #Nodejs #NodeDeveloper #HTMLDeveloper #HTML5 #HTMLCSS #HTMLCSSJavaScript #PSDToHTML #BackendDeveloper #BackendEngineer #Expressjs #MobileApp #MobileDeveloper #MobileAppDevelopment #MobileAppDeveloper #MobileDevelopment #AIDeveloper #AIDevelopment #SCSS #API #APIDevelopment #ExpertWebAndMobile #Nextjs #MERN #MERNStack #SoftwareEngineer #FrontendDeveloper #BackendDevelopment #ResponsiveWebDesign #CustomWebApps #CrossPlatformApps #RESTAPI #GraphQL #MongoDB #Express #Redux #TailwindCSS #SaaSDeveloper #AIIntegration

𝗦𝗲𝗻𝗶𝗼𝗿 .𝗡𝗘𝗧 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 𝗔𝗦𝗣.𝗡𝗘𝗧 𝗖𝗼𝗿𝗲, 𝗔𝗻𝗴𝘂𝗹𝗮𝗿, 𝗔𝘇𝘂𝗿𝗲 I build production-grade web applications for startups and enterprises that need software to actually hold up under real users — not just work in a demo. Over 10+ years, I've shipped SaaS platforms, modernized legacy .NET systems, and built REST APIs and microservices on Azure that scale without falling over. On Upwork alone, that's 54 completed projects, 2,800+ hours, and a 4.9-star rating from clients. 𝗪𝗵𝗮𝘁 𝗜 𝗮𝗰𝘁𝘂𝗮𝗹𝗹𝘆 𝗱𝗼 𝗳𝗼𝗿 𝗰𝗹𝗶𝗲𝗻𝘁𝘀: -- Build ASP.NET Core + Angular applications from scratch, architected to grow -- Design and secure REST APIs and microservices -- Modernize legacy .NET systems without breaking what already works -- Deploy and manage infrastructure on Azure (App Services, Functions, Service Bus, Key Vault) -- Optimize SQL Server for performance under real production load -- Integrate payment gateways, third-party APIs, and external services 𝗧𝗲𝗰𝗵 𝘀𝘁𝗮𝗰𝗸: 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: C#, ASP.NET Core/MVC, Web API, Entity Framework Core, Microservices 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: Angular, React, TypeScript, HTML5/CSS3 𝗖𝗹𝗼𝘂𝗱/𝗗𝗲𝘃𝗢𝗽𝘀: Azure, AWS (Lambda, S3), Docker, GitHub Actions, CI/CD 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲: SQL Server, PostgreSQL, MongoDB 𝗪𝗵𝘆 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝗸𝗲𝗲𝗽 𝗰𝗼𝗺𝗶𝗻𝗴 𝗯𝗮𝗰𝗸: I communicate clearly, give realistic timelines, and don't disappear after deployment — ongoing support is part of how I work, not an upsell. 𝗔𝘃𝗮𝗶𝗹𝗮𝗯𝗹𝗲 𝗳𝗼𝗿 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗮𝗹 𝗮𝘂𝗱𝗶𝘁𝘀, 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗿𝗲𝘀𝗰𝘂𝗲𝘀, 𝗼𝗿 𝗹𝗼𝗻𝗴-𝘁𝗲𝗿𝗺 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁. 𝗖𝗹𝗶𝗰𝗸 ‘𝗠𝗲𝘀𝘀𝗮𝗴𝗲’ 𝘁𝗼 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁’𝘀 𝗿𝗼𝗮𝗱𝗺𝗮𝗽.

Your AI-built app stuck? I build AI SaaS products from scratch and rescue the ones that stalled after Lovable, Bolt, or Cursor. Top Rated Plus, 100% Job Success, zero abandoned projects across 50+ contracts. Most AI SaaS developers either build new or fix old, rarely both well. I do full security and code audits (exposed API keys, missing Supabase RLS, runaway OpenAI spend) with a strict no-rewrite policy, and I ship new AI SaaS products end to end using the same stack: Next.js, Supabase, OpenAI, and Stripe billing. If your AI-built app is stuck: I deliver a full code and security audit in 5 days with a severity-ranked written report, then fix scope in 2-3 weeks at a fixed price agreed up front, plus 2 weeks of post-launch support. If you're starting an AI SaaS from day one: I build the full stack myself, from OpenAI integration and RAG pipelines to Supabase auth/RLS, Stripe billing, and multi-tenant architecture. Recent builds include Excello (AI voice coaching, LiveKit + ElevenLabs), AuditMake (multi-tenant AI audit pipeline), and DailyJobs (AI-powered job matching). Top Rated Plus and Expert-Vetted with a 4.99 rating across 50+ Upwork contracts and 2,300+ hours billed. IBM AI Developer Professional Certificate, IBM Generative AI with Python, and Meta Back-End Developer Certificate. Zero abandoned projects to date. Send me one line about what you're building or where it's stuck, and I'll reply with next steps within a day.

Enterprise teams hire me when the React codebase needs to be architected right from the start or rescued from years of shortcuts. I have led frontend teams, built annotation systems for medical imaging from scratch, and delivered two Upwork contracts over $40K each with 5-star reviews. $80K+ earned on Upwork, 100% JSS, Top Rated Plus. What I've built: - Digital Pathology Slide Viewer: Technical Lead on a medical imaging platform for pathologists. Architected the entire annotation system from scratch using OpenSeadragon, including custom polygon clipping algorithms, real-time collaborative annotations via Websockets for concurrent users, and virtualized rendering handling hundreds of annotations simultaneously without performance degradation. Led a team of 2 frontend developers. 1.5 years, team of 5-8. Stack: React 19, TypeScript, NestJS, Redux Toolkit, PostgreSQL, Redis, Docker, GCP. - Media Intelligence Platform: built the entire frontend from scratch for a content aggregation and analytics system pulling from YouTube, Reddit, and web. Real-time dashboards with AG Grid Enterprise and AG Charts Enterprise, Cypress and Jest testing infrastructure, Webpack and Next.js optimization for reduced bundle sizes and faster builds. 1.5 years, team of 4-8. Stack: Next.js, React, TypeScript, NestJS, Websockets, Firebase, PostgreSQL, GCP, OpenAI API. - AI NLP SaaS Platform: led React 16 to React 18 migration for an enterprise NLP system deployed across AWS, GCP, and Azure. Built Survey Service as a standalone Next.js microservice from scratch. Backend contributions in FastAPI and Python. 1 year, team of 5-8. - Multi-Chain Crypto Wallet: Node.js microservices with Fastify and Express, AWS infrastructure via Terraform (EC2, RDS, Redis, S3, CloudWatch), Redis caching and DB indexing for response time optimization. 1 year, team of 10-12. How I work: Architecture documentation before code. Every feature has unit tests and E2E coverage before shipping. When I join a team I establish coding standards, patterns, and review processes, not just deliver features in isolation. Async updates every 2-3 days without being asked. I operate with the full backing of Meduzzen's senior engineering team. Every commit I ship is peer-reviewed by our internal technical leads before deployment. If I am unavailable, your sprints do not stop: a fully briefed Meduzzen engineer provides immediate coverage. One point of contact, zero single-point-of-failure risk. Core stack: React · Next.js · TypeScript · NestJS · Node.js · Redux Toolkit · PostgreSQL · Redis · Docker · AWS · GCP · Websockets · FastAPI · Python · Prisma · Terraform · GitHub Actions. If you need a senior React and Next.js engineer who can own the frontend architecture and contribute to backend systems, send me the brief. I reply within 4 hours.