I am a senior web and full stack developer with over 15 years of experience. I specialize in responsive web and application development for startups and small to medium size businesses. My skill set includes wide-ranging expertise in React, Next.js, Nuxt.js, Vue.js and Typescript with headless CMS implementations utilizing Contentful, Prismic, WordPress and others; Node with PostgresSQL, MongoDB or Supabase for robust custom backend implementations; expert-level Drupal development including enterprise migrations to Drupal 10 and 11; highly customized Shopify builds with custom application development, and a wide variety of other services. My extensive expertise with hundreds of API integrations, custom A.I. implementations along with UI/UX development, digital marketing, google analytics, adwords and SEM, makes me a one-stop shop -- throw in impeccable attention to detail and very conscientious communication, and you get unusually fast and effective development at a very competitive rate.

Hi there! My name is Conrad Juliá, I am a Web Developer and Webmaster with over 17 years of experience developing web projects from corporate to complex sites, e-commerce and large social networks. I have extensive background in PHP, Wordpress, Drupal and PHP/MySQL/JS, working for Online Marketing agencies mostly so I also know specific Marketing platforms as well such as Marketo, Pardot and Hubspot. I have worked in all kinds of projects including many of them for major companies such as Gucci and Disney DVD, Beats By Dre and Google, always as a freelance developer, so being reliable and very detailed is very important to me. I love challenges and getting to establish long lasting work relationships. I am based in Los Angeles and I am constantly available via phone, email and IM+Skype (I use Slack as well), so I am always around to resolve any issues at hand as well as managing workflows and QC to make sure that everything runs smoothly. Here’s just a quick overview of the platform I know and work with: - Wordpress: Custom plugin development, Multisite, Advanced customizations - Photoshop/Adobe Suite - HTML5/CSS3/Responsive design/LESS/SASS, Bootstrap - LAMP - PHP/MySQL - Apache/Cloudflare/Plesk - PHP frameworks: Cake, Codeigniter/Cake/Laravel/Yii, Symphony - Subversion and GIT Version Control - API integrations: Facebook, Twitter, Amazon, Google, Infusionsoft, Salesforce, Paypal, others./NodeJS - Advanced Javascript/Jquery/AngularJS/React/VUE/Backbone - E-Commerce platforms: Shopify/Magento/Zencart/OSComm/OpenCart, Ubercart/Drupal Shop, WooCommerce - Email subscription management: Constant Contact, Unbounce, A-Weber, Mailchimp, GetResponse, Campaign Monitor - Advanced responsive email build (multi-platform, Litmus testing) - Marketing Platforms: Marketo, Pardot, Hubspot, iON Interactive, Infusionsoft, Salesforce - Optimizely Platform Certified - Drupal 7-8, Joomla - SEO/Google Analytics/Web Optimization - Project Management Applications: Basecamp, Trello, Asana, Teamwork, Jira, Mavenlink, Ronin - Mobile Apps: Cordova/Ionic/iOS/Android Some of the companies I’ve done work for are: Masq Marketing Gucci (gucciconnect.com) Michael Steinberg (Writer/Director) Maybelline Allure Executionists, Inc. ADCO Products Relax Your Back Kahilee Disney DVD Madison Los Angeles Buddha’s Belly Lockheart Shakrah Films Plantronics Google Shell Airbnb Thank you! Conrad.

As you will see in my profile have over 20+ years developing websites. My extensive knowledge of everything from server setup, load balancing, back-end programming, API's/REST, tSQL, HTML, CSS, JavaScript, SEO, SEM, Analytics, to security has given me the knowledge to deliver state-of-the-art, easy to use, user-friendly websites and applications. I am a quick learner, detailed orientated, problem solving person who has a passion for everything web. I am confident that I can do any job that I submit a proposal for. Look forward to hearing from you soon.

I'm a senior web developer with over 15 years of experience in building high-quality websites. My skills and experiences range from building responsive mobile sites that work perfectly cross-browser to building scalable websites for any industry. I provide 100% guarantee on the quality and reliability of the code. It's important to me to build long-term relationships with my clients, so I'm primarily looking for long-term projects. I'm flexible with my working hours and will be happy to discuss your project at your earliest convenience.

I am a Full Stack SaaS Developer specializing in building scalable, subscription-based SaaS products from concept to launch. I help startups, founders, and businesses transform ideas into production-ready software using React, Node.js, Next.js, JavaScript, FastAPI, Flask, Python, Django, LangChain, OpenAI, Claude, PostgreSQL, MongoDB, Supabase, AWS, TypeScript, and modern cloud technologies. Over the past 8+ years, I have helped companies build SaaS applications, customer portals, CRM systems, ERP platforms, marketplaces, AI-powered products, internal business tools, membership platforms, and workflow automation solutions. My expertise covers the complete SaaS development lifecycle from product architecture and MVP development to scaling, optimization, and long-term maintenance. When projects require AI-powered functionality, I bring hands-on experience integrating AI into backend systems. While my primary role remains Full Stack Developer and Backend Developer, I regularly implement AI-enabled workflows, data processing pipelines and LLM-driven features inside SaaS platforms. This allows me, as a SaaS Developer, to deliver AI functionality that is reliable, observable and cost-controlled rather than experimental. Whether you're looking to build a new SaaS product, modernize an existing platform, create a customer-facing dashboard, implement subscription billing, or develop a complex multi-tenant application, I can help deliver a secure, scalable, and user-friendly solution. Many clients on Upwork come to me when they need more than just a developer. They need someone who can understand business goals, architect scalable solutions, and deliver products that are reliable, maintainable, and conversion-focused. 𝗦𝗮𝗮𝗦 & 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: ✓ SaaS Product Development ✓ Full Stack Development ✓ Multi-Tenant SaaS Architecture ✓ MVP Development for Startups ✓ B2B SaaS Platforms ✓ B2C SaaS Applications ✓ Enterprise Software Development ✓ Customer Portals & Self-Service Platforms ✓ Subscription-Based Applications ✓ Stripe Billing & Payment Integrations ✓ REST API & GraphQL Development ✓ Authentication & Authorization Systems ✓ Role-Based Access Control (RBAC) ✓ Admin Dashboards & Analytics Platforms ✓ CRM & ERP Development ✓ Workflow Automation ✓ AI Integrations & Automation ✓ API Development & Integrations ✓ AWS Cloud Infrastructure 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 / 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: React.js • Next.js • JavaScript • TypeScript • Node.js • Express.js • NestJS • Python • Django • PostgreSQL • MongoDB • MySQL • Prisma • Supabase • Firebase • AWS • Vercel • Docker • Redis • Tailwind CSS • Material UI • Stripe • OpenAI API • Anthropic Claude API • REST APIs • GraphQL I focus on building software that not only works but is designed for growth, scalability, maintainability, and business success. My goal is to become a long-term technology partner for startups and businesses looking to build world-class SaaS products. 𝗖𝗠𝗦 & 𝗘𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲 While Full Stack Development is my primary focus, I also build and optimize: • Webflow • Shopify / Shopify Plus / Shopify Liquid • WordPress & WooCommerce • Headless CMS Solutions • Custom Themes & Integrations 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗛𝗶𝗿𝗲 𝗠𝗲 • 8+ Years of Full Stack Development Experience • Strong React, Next.js, Django, Python & MERN Expertise • Product-Minded Approach • Scalable & Maintainable Code • Clear Communication • Long-Term Partnership Mentality • Focus on Business Outcomes, Not Just Features If you're looking for a Full Stack Developer with expertise in React, Next.js, Django, Python, MERN Stack, React Native, or AWS who can take your product from idea to launch and scale, I AM READY TO GET THE BALL ROLLING !! ----------------------------------- 𝗦𝗲𝗮𝗿𝗰𝗵 𝗺𝗲 𝘂𝘀𝗶𝗻𝗴 𝗸𝗲𝘆𝘄𝗼𝗿𝗱𝘀: SaaS Developer, Full Stack SaaS Developer, SaaS Application Developer, SAAS Only, SAAS Development, React Developer, Next.js Developer, JavaScript Developer, TypeScript Developer, Node.js Developer, SaaS Architect, Startup MVP Developer, Software Engineer, Web Application Developer, Product Developer, CRM Developer, ERP Developer, Dashboard Developer, Multi-Tenant SaaS Developer, Subscription Platform Developer, Stripe Integration Expert, API Integration Developer, AI SaaS Developer, Cloud Application Developer, B2B SaaS Developer, SaaS Product Engineer, Full Stack Engineer, AI Development, AI Integration, OpenAI, ChatGPT Integration, LLM Integration, AI Chatbot, Business Automation, Workflow Automation, Shopify Developer, Shopify Plus, WordPress Developer, WooCommerce, Webflow Developer, Headless CMS, Marketplace Development, CRM Development, ERP Development, Dashboard Development, Booking System Development, FinTech, Healthcare, Real Estate, eCommerce, B2B, Logistics, Travel, Education.

20 years experience as a full stack and DevOps developer. Have worked in everything from personal and business web design to complex web applications, healthcare/EMR, Big Data/MapReduce/machine learning/AI applications. Typescript/NodeJS/Fastify/Express, React, Vue, Angular, Ruby & Ruby on Rails, Python/Flask/Django, Rust, Golang, Angular, PHP, Perl, Elixir, Haskell, C, C++, C#, Wordpress, Joomla, Drupal, Docker, Kubernetes, nginx, lighttpd, Redis, memcached, Apache, Linux/BSD, PostgreSQL, MySQL, DynamoDB, SQLite, MongoDB, Elasticsearch/Kibana/Logstash/Grafana, Neo4j, DB2, Oracle, MSSQL, and others. AWS, Google Cloud Platform, Azure, DigitalOcean, Linode, Heroku, Vultr, Bluehost, HostGator, etc..

💎 AWS Certified - Verified by Upwork 💎 Google Certified - Verified by Upwork 💎 Microsoft Certified - Verified by Upwork I am a seasoned Project / Tech Manager with a deep specialization in Machine Learning and Blockchain technologies. With a strong background in managing complex, cross-functional projects and a passion for leveraging cutting-edge technologies, I am committed to driving innovation and excellence in every endeavor. As my career progressed, I specialized in Machine Learning. I worked on numerous projects that involved developing predictive models, natural language processing systems, and computer vision applications. My approach always integrates the wisdom of our ancestors with the analytical rigor required in this field. One notable project involved creating a predictive maintenance system for a manufacturing client, which reduced downtime by 40% and saved significant operational costs. Simultaneously, I ventured into the world of Blockchain. The principles of decentralization and trustless transactions align closely with Native American communal values. I led the development of a Blockchain-based supply chain solution that enhanced transparency and traceability for a major logistics company. This project not only streamlined operations but also instilled greater trust among stakeholders. 💎 Main Skills: ✔ Project Management: Agile, Scrum, Kanban, Waterfall, Jira, Asana, Trello, Slack ✔ Machine Learning: Python TensorFlow, Data preprocessing, Model Deployment, DeepSeek, Chatgpt ✔ Blockchain: Smart contracts, Solidity, Rust, Ethereum (ERC-20, ERC-721, ERC-1155, etc), Hyperledger, Decentralized applications (DApps), Mev Bot, C++ ✔ Data Analysis: SQL, Pandas, Data Visualization ✔ Communication: Stakeholder management, conflict resolution, team leadership, client relations ✔ Quality Assurance: Risk management, performance monitoring, continuous improvement

I help startups, founders, and growing teams build production-ready SaaS platforms, admin dashboards, internal tools, and API-driven web applications using Next.js, React, Node.js, TypeScript, and Supabase. I am a Top Rated Upwork freelancer with 100% Job Success, $100K+ earned, and 60+ completed projects. I also work with the University of Hawai‘i on research portals, dashboards, and data-driven web systems. I can help you with: • SaaS MVP development • Admin dashboards and internal tools • Next.js / React frontend development • Supabase, Firebase, PostgreSQL, and MongoDB backend systems • API integrations and workflow automation • Authentication, role-based access, and user management • Dashboard UI/UX improvements • Bug fixing, refactoring, and performance optimization • Deployment on Vercel, Supabase, Firebase, AWS, or similar platforms My core stack includes Next.js, React, Node.js, TypeScript, JavaScript, Supabase, Firebase, PostgreSQL, MySQL, MongoDB, REST APIs, Tailwind CSS, Vercel, GitHub, and CI/CD. I focus on clean architecture, maintainable code, reliable deployment, and long-term scalability. I am especially useful when you need someone who can understand both the business requirement and the technical implementation without requiring constant technical guidance. Common projects I work on include SaaS platforms, research portals, CRM systems, client dashboards, marketplace features, admin panels, form workflows, reporting tools, and automation systems. Whether you need to build a new product, improve an existing application, fix technical debt, or turn a rough idea into a working MVP, I can help you move quickly while keeping the codebase clean, scalable, and production-ready.

I help businesses build fast, scalable, and high-converting digital products. With strong experience in Shopify, WordPress/WooCommerce, and Mobile App Development, I work with startups, agencies, and established brands to create reliable solutions that improve user experience and drive growth. Over the years I have worked on eCommerce stores, custom websites, and mobile applications, handling everything from design implementation to advanced functionality and integrations. My core expertise includes: Shopify Development • Custom Shopify theme development and customization • Liquid, HTML, CSS, JavaScript development • Shopify store setup and migration (WooCommerce / Magento / Custom → Shopify) • Custom product pages and app integrations • Speed optimization and performance improvements WordPress & WooCommerce • Custom WordPress website development • WooCommerce store setup and customization • Elementor, custom themes, and plugin development • Website redesigns and migrations • Performance optimization and SEO-friendly structure Mobile App Development • Flutter mobile apps for iOS and Android • API integrations and backend connectivity • eCommerce and business apps • UI implementation and performance optimization What clients appreciate about working with me: • Clean, scalable, and maintainable code • Pixel-perfect implementation from Figma / design files • Fast communication and reliable delivery • Focus on performance, conversions, and usability Whether you need to launch a new store, rebuild an existing website, integrate systems, or develop a mobile app, I can help turn your idea into a reliable and high-performing product. Let’s build something great together.

I’m a senior full-stack engineer with 25+ years of experience building scalable SaaS platforms, AI-powered web applications, and high-performance frontend systems using React, Next.js, TypeScript, and Node.js. I help startups and enterprise teams design and ship production-grade applications that combine modern frontend architecture with clean backend APIs, AWS cloud infrastructure, and AI/LLM integrations (OpenAI-powered workflows, intelligent automation, structured AI outputs). My background includes engineering leadership at Bamboo Health, where I architected a unified frontend platform that reduced development cycle time by 30%, and large-scale frontend modernization at Nordstrom and Monotype. I don’t just build features - I design systems that scale. 🧠 AI + Modern Stack Expertise I specialize in building AI-ready applications that move beyond demos and actually work in production. 1. AI & LLM Integration - OpenAI API integration - LLM-powered SaaS features - Structured output parsing & prompt engineering - AI workflow orchestration - Retrieval-ready architecture (RAG-friendly systems) - AI chat interfaces & intelligent automation tools 2. Full-Stack Development - React, Next.js, TypeScript, JavaScript (ES6+), AngularJS - Node.js, Python backend services & REST APIs, C#, Java, PHP - Authentication & secure role-based systems - SaaS product architecture - Component libraries & design systems - Performance optimization 3. Cloud & DevOps - AWS cloud-native systems - CI/CD pipelines - Vite, Webpack, modern build tooling - Test-driven development (Vitest, Jest, RTL) - Scalable deployment strategies 🏗 What I Build ✔ AI-powered SaaS platforms ✔ Enterprise-grade internal tools ✔ Healthcare & regulated-industry systems ✔ High-performance dashboards ✔ Startup MVPs built to scale ✔ Modernized legacy platforms 💡 How I Work - Architecture-first thinking - Clean, maintainable codebases - Strong API contracts - Clear technical communication - Cross-functional collaboration with product & design - Focus on long-term scalability (not short-term hacks) If you're building a serious product - especially one integrating AI - I can help you architect it correctly from the start and ship it with confidence.