15+ years in UI UX Design and 100+ product projects delivered, helping teams improve activation, conversion, retention, and usability. I'm a UI UX Designer who turns complex ideas into clear, build-ready interfaces across SaaS & Web App Design, Website Design, and Mobile App Design. WHAT I DO (CLIENT RESULTS FIRST) If you need a UI UX Designer who can simplify complexity without dumbing down the product, you're in the right place. My UI UX Design work is built to: • Increase onboarding completion and time-to-first-value with clearer flows • Improve conversion on key actions, sign-up, upgrade, checkout, booking • Reduce user confusion and support tickets with complete UI states and better UX writing • Speed up delivery with a scalable system your team can reuse • Align design and engineering so Web App Design and Mobile App Design ship as intended TYPICAL METRICS CLIENTS AIM TO IMPROVE Results depend on product, traffic, and implementation, but UI UX Design improvements commonly target: • +10-30% onboarding completion and activation • +5-20% conversion on core flows, sign-up, upgrade, checkout • -15-35% confusion-driven support tickets by fixing states and clarity issues • Faster releases by reducing UI rework and standardizing components WHERE I ADD THE MOST VALUE I've worked across B2B and B2C products for 15+ years, and my UI UX Design experience covers everything from early MVPs to mature platforms. My selected portfolio includes 19+ SaaS and dashboard web apps, 14+ websites and landing pages (marketing, product, and eCommerce), and 11+ mobile apps (iOS and Android). As a UI UX Designer, I'm especially effective on products with real logic: dashboards, admin panels, tables and filters, multi-step forms, roles and permissions, settings and billing, and mobile feature flows. MAIN SERVICES (UI UX DESIGN) • End-to-end UI UX Design for new products and MVPs • Web App Design for SaaS platforms, dashboards, admin portals, internal tools • Website Design for marketing sites, product sites, landing pages, and eCommerce, built in Figma for Webflow, WordPress, or Framer • Mobile App Design for iOS and Android, onboarding, engagement, subscriptions • UX audits, heuristic reviews, redesign roadmaps (quick wins and long-term fixes) • User flows, information architecture, wireframes, prototypes, interaction specs • Design systems, components, tokens, documentation for consistent UI UX Design WHAT YOU RECEIVE Hiring me as your UI UX Designer means you get production-ready UI UX Design that reduces rework: • A clean Figma file organized for handoff, components, variants, tokens, styles • Responsive Web App Design layouts with clear hierarchy and data density rules • Conversion-focused Website Design and landing pages with clear hierarchy, strong CTAs, and responsive layouts • Mobile App Design screens aligned to native patterns and real device constraints • Full state coverage, loading, empty, error, disabled, permission-based states • Interaction notes for forms, tables, filters, modals, onboarding, key actions • Optional implementation support, I review builds and keep UI UX Design consistent HOW WE'LL WORK TOGETHER 1. Align on goals, users, constraints, success metrics 2. Map journeys and edge cases, then iterate in wireframes 3. Create high-fidelity UI UX Design in Figma for Web App Design or Mobile App Design 4. Build or extend the system to prevent inconsistencies across screens 5. Handoff with clear specs, then support QA so what ships matches the UI UX Design TOOLS AND COLLABORATION Primary tools: Figma, FigJam. Collaboration: Notion, Jira, Slack, Google Workspace. I design with component-based thinking and can align UI UX Design to React and Next.js patterns, Tailwind, shadcn-style components, and design tokens so Web App Design implementation is straightforward. For Website Design I design in Figma and hand off clean, build-ready files for Webflow, WordPress, or Framer. WHY CLIENTS CHOOSE ME • Strong product judgment, I ask the right questions early to avoid rework • Clear communication, fast iterations, no surprises • UI UX Design that balances usability, brand, engineering constraints • A UI UX Designer who delivers consistent Web App Design and Mobile App Design systems, not one-off screens NEXT STEP Send your product link (or brief), current challenges, and timeline. I'll reply with a practical plan, clear deliverables, and the fastest path to measurable improvement in your UI UX Design.

I help startups and businesses launch AI-powered mobile apps and MVPs — fast. From idea to App Store, I build scalable full-stack applications using React Native, modern backend systems, AI integrations, subscriptions, and production-ready architecture. Over the past 10+ years, I’ve developed apps used by thousands of users, including Top 20 fitness apps, AI SaaS platforms, event systems, fintech products, and subscription-based mobile applications. I specialise in helping founders: • Launch MVPs quickly • Validate ideas before scaling • Avoid common architecture and performance mistakes • Build apps that are ready for real users and future growth What I can help with: • Full-stack mobile app development • AI-powered applications & SaaS platforms • React Native iOS & Android development • MVP development for startups • Backend/API architecture & development • OpenAI / ChatGPT integrations • Payments & subscriptions (Stripe / RevenueCat / IAPs) • Firebase / Supabase / Node.js backends • App performance optimisation • App Store & Google Play launches Why clients work with me: • 10+ years commercial development experience • End-to-end product delivery • Strong focus on performance, scalability, and maintainability • Full-stack expertise across mobile, backend, and cloud systems • Startup-friendly and fast-moving • Clear communication and reliable delivery If you’re looking for a senior full-stack developer who can help turn your idea into a polished, scalable product — feel free to send me a message.

I build intelligent, scalable, and automation-driven digital products for startups, SMEs and enterprise organizations. I am a Full-Stack AI Engineer and Web & Mobile Application Specialist with 13+ years of experience designing, developing, and scaling production-grade software solutions across FinTech, SaaS, Healthcare, PropTech, eCommerce, Logistics, Education, AI platforms and enterprise business applications. Unlike developers who only focus on writing code, I approach projects from a product engineering perspective by understanding business workflows, architecture, scalability, user experience, automation opportunities and long-term growth. My expertise includes: 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐖𝐞𝐛 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 Frontend: • React.js • Next.js • TypeScript • Angular • Vue.js • Tailwind CSS • Material UI • Responsive UI/UX implementation Backend: • Node.js • Express.js • NestJS • Python • Django • FastAPI • PHP • Laravel • REST API Development • GraphQL APIs • Microservices Architecture • Serverless Applications Databases & Cloud: • PostgreSQL • MySQL • MongoDB • Redis • Firebase • Supabase • Elasticsearch • DuckDB • BigQuery • AWS (Lambda, EC2, S3, RDS, CloudFront) • Google Cloud Platform • Microsoft Azure • Docker & Kubernetes 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 • Flutter / Dart • React Native • Android (Kotlin & Java) • iOS (Swift, SwiftUI, Objective-C) I have developed mobile products including marketplaces, fintech applications, healthcare platforms, logistics solutions, AI-powered apps, fitness applications, and consumer applications published on Apple App Store and Google Play Store. 𝐀𝐈 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 & 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐭 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 • Generative AI Applications • Large Language Models (LLMs) • OpenAI GPT Models • GPT-4 / GPT-4o / GPT-4.1 APIs • Claude AI (Anthropic) • Google Gemini • Amazon Bedrock • LangChain • LlamaIndex • AI Agents & Agentic Workflows • Retrieval Augmented Generation (RAG) • Vector Databases • Pinecone • ChromaDB • Weaviate • AI Chatbots • AI Assistants • Natural Language Processing (NLP) • Machine Learning Integrations • AI Search Systems • Document Intelligence • AI Automation Workflows 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 & 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐏𝐫𝐨𝐜𝐞𝐬𝐬 𝐎𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧 I build automation systems that reduce manual work and improve operational efficiency: • AI-powered workflow automation • Zapier Automation • Make .com (Integromat) • n8n Automation • API Integrations • CRM Automation • Data Processing Pipelines • Webhooks & Event-driven Systems • Email & Marketing Automation • Lead Generation Automation • Business Workflow Automation • Robotic Process Automation (RPA) • Custom Internal Tools • AI-powered Reporting & Analytics 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 𝐁𝐮𝐢𝐥𝐝𝐢𝐧𝐠 𝐂𝐨𝐦𝐩𝐥𝐞𝐱 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐬 ✓ SaaS platforms ✓ FinTech applications ✓ Healthcare and Telehealth systems ✓ Logistics & Marketplace platforms ✓ Real Estate / PropTech solutions ✓ eCommerce ecosystems ✓ AI-powered analytics platforms ✓ Enterprise dashboards ✓ Customer management systems ✓ Subscription-based platforms ✓ Mobile-first consumer applications 𝐒𝐨𝐦𝐞 𝐞𝐱𝐚𝐦𝐩𝐥𝐞𝐬 𝐨𝐟 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 𝐈 𝐡𝐚𝐯𝐞 𝐝𝐞𝐥𝐢𝐯𝐞𝐫𝐞𝐝: • AI-powered market intelligence platforms using React, Next.js, Node.js, Python pipelines, OpenAI, Gemini, Claude and cloud infrastructure. • FinTech platforms supporting payments, subscriptions, settlements, corporate expenses and financial operations. • Logistics marketplaces connecting customers, vendors, drivers, and administrators through scalable web and mobile applications. • Healthcare platforms connecting users with care providers through secure applications and intelligent workflows. • SaaS products with multi-tenant architecture, role-based access control, integrations, and cloud deployment. 𝐖𝐡𝐲 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐜𝐡𝐨𝐨𝐬𝐞 𝐦𝐞: ✓ 13+ years of software engineering experience ✓ Full product lifecycle ownership; architecture to deployment ✓ Strong experience with startup MVPs and enterprise platforms ✓ AI integration expertise for modern applications ✓ Scalable backend and cloud architecture experience ✓ Clean, maintainable, production-ready code ✓ Business-focused approach, not just development execution If you need an experienced engineer who can transform an idea into a reliable, scalable, AI-powered product - I can help.

I build computer vision, mobile AI, and LLM agent systems that run in production — not proof-of-concepts. $600K+ earned · 100% Job Success · Top Rated Plus · 50+ apps shipped · 10+ years.   🎥 Computer Vision & Video AI Real-time detection, tracking, and video pipelines built for live production. - Built real-time tracking for a US sports company — processing live camera feeds frame-accurate for automated broadcast. - Image registration & feature matching (homography, SIFT/ORB) for frame alignment and multi-frame processing. - Edge & on-device optimization: quantization, ONNX / TFLite / CoreML export, low-latency real-time inference. Stack: YOLO, OpenCV, C++ inference, homography, SIFT/ORB, FFmpeg, ONNX, CoreML, TensorFlow Lite.   📱 Mobile AI — iOS & Android Where mobile meets ML: I ship AI that runs on the device, not just calls to a server. - On-device inference with CoreML & TensorFlow Lite — quantized, optimized models running in real time, offline, no backend round-trip. - Real-time computer vision on phones — live camera detection & tracking running directly on iOS/Android hardware. - AI embedded in the core product flow — vision and ML features, not a bolted-on toggle. - 50+ apps shipped over 10+ years across healthcare, fintech, wellness, and sports. Swift, SwiftUI, Kotlin, Jetpack Compose, Flutter, React Native.   📊 Data & ML Pipelines - Built a PySpark clustering pipeline for a US energy AI company — segmented ~1M households into 50–200 cohorts, production-grade with a validation framework. 🛠 Stack Vision: YOLO, OpenCV, C++ inference, homography, FFmpeg, CoreML, TensorFlow Lite Mobile: Swift, SwiftUI, Kotlin, Jetpack Compose, Flutter, React Native AI/LLM: Claude, GPT, Gemini, LangChain, LangGraph, RAG, vector DBs, n8n ML/Data: Python, PyTorch, TensorFlow, PySpark, Pandas, scikit-learn Cloud: AWS Bedrock, Azure OpenAI, Vertex AI, Firebase 🌎 Based in Buenos Aires (GMT-3) — solid overlap with US & EU business hours. English: Fluent. Weekly updates, clear timelines, honest scoping — if something needs to change mid-project, you hear it early, with options. Send me the problem — I'll tell you how I'd approach it and how long it'll take. Message me to start

I've been analyzing, designing, and developing software applications in varied environments for over thirty years. Most of these environments integrated a GUI or Web-based front-end with a relational database on the backend. I've also configured and managed systems and networks, and consulted with clients on these issues, at need. My experience in database, system and network administration help me make design choices to avoid conflicts and performance problems due to backend bottlenecks. Most recently, I've been highly involved in the development and support of multiple highly-available, web-hosted applications utilizing web, Windows, Android and iOS client devices with clustered, redundant Microsoft SQL Server instances as the data store. Backend processes were performed by T-SQL jobs and Windows services and application written in VB.Net and C#.

I build production-ready mobile apps that actually launch and scale ~ not just prototypes that break later. I’ve worked on real-world systems including HRMS platforms, healthcare apps, and operational tools used by businesses daily. From idea to deployment, I focus on building apps that are clean, stable, and ready for real users. Most clients come to me when they need: ~ An MVP built properly (not rushed or messy) ~ A mobile app with a solid backend ~ A system that can scale without rewriting everything later I primarily work with React Native + backend systems, and I handle architecture, development, and delivery end-to-end. For larger builds, I lead a small team at Trodux ~ but I stay directly involved in the core development and technical decisions. If you’re serious about building something reliable, we’ll get along.

🏅 I help businesses and startups build reliable web and mobile apps that deliver real value to their users. For 6+ years, I have developed and launched apps that are now live on both the Google Play Store and App Play Store, as well as web solutions. 💻 My expertise are centered around: Android Development | iOS Development | Java Coding | Kotlin Programming | Swift | Laravel Applications | PHP Solutions ✅ Agile Methodology ✅ High quality solutions ✅ MVC / MVP / VIPER / MVVM ✅ 20+ Live apps on Google Play Store and App Store ✅ Android Studio | Xcode | Laravel I follow an Agile approach, which means I keep communication clear, deliver in stages, and adapt quickly to feedback. My goal is not just to complete a project but to help you launch something that performs well and supports your business goals. 💬 FREE INITIAL CONSULTATION: Let's Talk about your idea and build something that your users will love.

Most mobile apps fail because nobody thinks about what happens after launch. I've built apps that broke into the App Store Top 50, generated real revenue for clients, and I run my own subscription apps with 10K+ active users. I know what moves MRR and what doesn't. When you work with me, you're not just getting a mobile developer. You're getting someone who has personally: - Designed paywalls and onboarding flows that convert (not just "look nice") - Run paid acquisition (Meta, TikTok, Apple Search Ads) for subscription apps - Optimized for retention, churn, and LTV - the metrics that actually decide if your app survives - Built the ASO and organic growth side (keywords, screenshots, A/B tests) - Provided ongoing technical support so the product keeps improving post-launch If you're building a subscription app and want it to sell itself not just ship and pray - let's talk. I take on a small number of clients where I can be involved beyond the build: helping with monetization strategy, growth, and long-term technical health. Some of what I bring: - 10+ years building iOS and Android apps (10M+ combined downloads) - 200K+ MRR generated to clients - My own subscription apps with 10K+ users - Apple Pay / Google Pay / RevenueCat / subscription infrastructure - CI/CD, white-labeling, and the boring-but-critical engineering work - AI integrations (LLMs, on-device ML) where they actually improve the product Looking to launch, grow, or rescue a subscription app? Send me a message - happy to give you honest thoughts even if we don't end up working together.

💻 Full-Stack Web & Mobile Development Agency | Top 1% on Upwork | $2M+ Delivered | Enterprise-Grade Builds for High-Growth Brands | High-Converting Websites & Scalable Apps We’re Y2 Systems — a senior team of developers, designers, and product strategists with 10+ years of experience delivering high-performing mobile apps and conversion-focused websites across 30+ industries. Collectively, we’ve delivered $2M+ worth of work on Upwork and supported teams ranging from startups to enterprise-level organizations (including Fortune 500 environments), building platforms that are fast, scalable, and reliable under real-world traffic and pressure. Whether you’re launching a Shopify skincare brand, building a Flutter-based wellness app, or developing a custom marketplace with React Native + Node.js, we don’t just “build features.” We help you ship a product that’s stable, clean, and ready to grow. 🛠 Mobile App Development (Flutter & React Native) We build cross-platform mobile apps that feel native and scale smoothly: Flutter & React Native for iOS + Android Backend integration (Firebase, Node.js, GraphQL) In-app purchases, push notifications, offline support Clean UI implementation, animations, performance tuning CI/CD, testing, store release support, and post-launch maintenance 📱 App Industries We’ve Shipped In Fitness, social networking, EdTech, food & beverage, skincare, telehealth, marketplaces, delivery, medical, music, blockchain, sports, cybersecurity, B2B SaaS, membership platforms, and more. 🌐 Web Design, Web Apps & eCommerce Development We specialize in modern, responsive, high-converting websites and scalable web platforms using: Shopify, WordPress (WooCommerce), Webflow, Squarespace Custom themes, CMS builds, advanced animations Bookings, memberships, subscriptions, gated content Page speed optimization, mobile-first builds, SEO best practices 💼 Web Industries We’ve Built For Real estate, beauty & skincare, media, consulting, nonprofits, travel, tech startups, authors, LMS platforms, financial services, and B2B marketplaces. 🔧 Our Tech Stack & Tools Frontend: React.js, Vue.js, Tailwind, HTML/CSS/JS Backend: Node.js, Laravel, Firebase, Express, Python Mobile: Flutter, React Native Platforms: Shopify, WordPress, Webflow, Squarespace Integrations: Stripe, ShipEngine, Klaviyo, Zapier, Twilio, REST, GraphQL 📊 Why Clients Work With Us A real team — not a solo generalist (design + dev + PM in one workflow) Sprint-based delivery with clear updates and predictable milestones Full-cycle execution: discovery → design → development → launch Built for performance, scalability, and long-term growth We challenge weak ideas early so you don’t waste budget later 🎁 Strategy Call + Visual Mock (Optional) If it helps, we can start with a quick strategy call to align on scope and priorities — and we can provide a simple homepage section mockup or one key app screen to help you visualize direction before you commit.

🚀 AI & Automation Expert | Full Stack Developer | Web Scraping & Crawling Specialist 🚀 I am a highly skilled software developer with over 5 years of experience specializing in AI, machine learning, web scraping & crawling, and automation. I bring cutting-edge solutions to businesses by integrating AI-powered technologies, intelligent automation, and scalable full-stack development. What I Offer: ✅ AI & Machine Learning: Custom OpenAI, DeepSeek, and fine-tuned AI models for automation, NLP, and predictive analytics. ✅ Web Scraping & Crawling: Data extraction, bulk processing, and large-scale crawling for structured insights. ✅ Automation of Manual Tasks: Creating custom scripts and AI-driven solutions to eliminate repetitive tasks. ✅ Full-Stack Development: Frontend using Next.js, and backend expertise in PHP Laravel, Python Django & FastAPI, Java Spring Boot, and Node.js. ✅ Mobile App Development: Native iOS (Swift) & Android (Kotlin) development, plus Flutter for cross-platform apps. ✅ Cloud & DevOps: Scalable deployments using AWS, Google Cloud, PostgreSQL, and MySQL. ✅ Custom AI Chatbots & Automation Bots: Intelligent chatbots, process automation, and API integrations. I am committed to delivering high-quality solutions at competitive rates while fostering long-term client relationships. Let’s discuss how I can help bring your AI, automation, and full-stack projects to life! 💡