Backend / Full-Stack Developer with 9+ Years of Experience I help businesses build reliable, scalable, and secure web applications. With over 9 years of experience in backend and full-stack development, I specialize in developing robust systems using PHP and modern web frameworks. My focus is on writing clean, maintainable code and building applications that perform well under real-world usage. Technical Skills: – Languages: PHP, Python, Ruby, SQL – Frameworks: Laravel, CodeIgniter, Symfony, Ruby on Rails – Frontend: HTML5, CSS3, JavaScript, Tailwind, Vue.js – Databases: PostgreSQL, MySQL, SQLite – DevOps & Tools: Git, Docker, AWS, Heroku, CI/CD Key Achievements: – Scaled a SaaS platform to 2M+ monthly users with response times under 200ms – Built and optimized an eCommerce system generating $10M+ annual revenue – Reduced backend API costs by 30% through smart architecture and performance tuning – Led teams to deliver complex projects on time and within budget Why Clients Work With Me: I combine technical expertise with business insight to help you launch faster, operate smoothly, and scale confidently. My approach is transparent, collaborative, and results-driven.

Top Rated Plus Backend Developer with 8+ years of experience building web applications, APIs, automation systems and data platforms. I help businesses automate workflows, integrate third-party services, modernize legacy applications, and build scalable backend systems that are reliable in production. ✓ 78+ Upwork Projects ✓ 5,000+ Hours Worked ✓ 100% Job Success ✓ Top Rated Plus ✓ 60% Repeat Clients Specialized in Ruby on Rails, Laravel, Web Automation, Data Scraping, and Legacy System Modernization. Recent projects include: ✓ Built large-scale review aggregation systems ✓ Developed booking and scheduling platforms ✓ Created web scraping systems using proxies and browser automation ✓ Integrated Stripe, PayPal, Braintree and Chargebee ✓ Modernized legacy applications without disrupting production users ✓ Designed REST APIs consumed by mobile and web applications ✆ Available for free Consultations

Welcome to my Upwork page! I'm a highly proficient RoR developer with over 7 years of commercial experience across a wide range of industries. I have a strong expertise in: - Ruby and Ruby on Rails - React.js and JavaScript - HTML5/CSS3, Bootstrap, Tailwind CSS, and Materialize - Hotwire and StimulusJS - Elasticsearch and Solr - Relational and NoSQL databases: MySQL, PostgreSQL, and MongoDB - I have extensive experience working with popular gems such as Devise, Active Admin, Kaminary, Carrierwave, Nokogiri, Redis, Resque, Pundit, and Whenever. Additionally, I'm skilled in testing frameworks including RSpec, Capybara, Factory_bot_rails, Selenium, and Database_cleaner. I excel in backend development, specializing in API development, adding new features, and creating innovative functionalities. However, I am also adept at frontend technologies such as HTML, HAML, Slim, CSS, JavaScript, jQuery, ReactJS, and VueJS. As a passionate and communicative developer, I am focused on delivering results. I am committed to effective collaboration, clear communication, and achieving project success. If you're in need of a dedicated developer who can bring your ideas to life, let's discuss your project!

Are you in search of a highly skilled Full Stack Developer with a comprehensive range of expertise in programming languages and development tools? Your search ends here. I am a driven and highly motivated Full Stack Developer with a wealth of knowledge across a wide spectrum of programming languages and development tools. My skill set includes mastery of several key technologies: Ruby on Rails: A framework renowned for its efficiency in web development. JavaScript: The versatile scripting language that powers interactivity on the web. MERN Stack: Expertise in MongoDB, Express.js, ReactJS, and Node.js. MEAN Stack: Proficiency in MongoDB, Express.js, AngularJS, and Node.js. PHP: Profound experience in PHP and Codeigniter. Flutter: A dynamic framework for creating natively compiled applications. Android App Development: Building robust applications for the Android platform. 🌐 Professional Experience: My journey as a developer has been marked by meaningful contributions to a variety of projects, often collaborating with remote teams from around the world. My ability to quickly and effectively address urgent support queries has earned me a reputation for reliability. More importantly, I consistently deliver high-quality results. One of my standout achievements involves seamlessly integrating Stripe-connected accounts into an e-commerce and subscription-based website. This strategic move resulted in a substantial increase in revenue for the business, demonstrating my knack for impactful problem-solving. 📱 Mobile App Development: Beyond web development, I have ventured into the world of mobile app development, showcasing my versatility and adaptability. Notable accomplishments include the creation of an intuitive admin portal application using Flutter, complete with advanced ledger functionalities. This project underscores my commitment to developing user-friendly interfaces and intuitive applications. 🚀 Passion and Commitment: My passion lies in crafting code that is both scalable and of the highest quality. I recognize the ever-evolving nature of the tech industry and am devoted to continuous self-improvement, ensuring that I stay ahead of the curve. 🤝 Collaboration and Results: I firmly believe in the power of collaboration. As a dedicated team player, I am committed to contributing to your company's growth and success. My approach is rooted in innovative solutions and an unwavering commitment to excellence. If you're seeking a Full Stack Developer who combines technical prowess with reliability, results-driven dedication, and a strong team-oriented mindset, look no further. Let's connect and delve into how I can seamlessly integrate into your projects, adding substantial value and helping you achieve your ambitious goals.

7+ Years Building Scalable SaaS, Marketplaces & AI Platforms | GenAI & Agentic AI Expert, GPT-4o, LangChain, CrewAI, AI Agents | Apps Used by 100K+ Users & Trusted by VC-Backed Startups | Delivered Revenue-Generating Platforms Across Fintech, IoT & eCommerce | Zero-Risk Promise, 100% Refund If I Don't Deliver I've built systems used by 100K+ users, deployed AI-powered products with OpenAI, LangChain & autonomous AI agents, and helped startups launch platforms that generate real revenue. Whether you need a polished MVP, complex backend architecture, agentic AI workflows, or an end-to-end AI-powered product, I take it from idea to production. TECH EXPERTISE ------------------------------------------ Back-End Development • Node.js (Express, NestJS, Hapi), Python (Django, FastAPI, Flask), Ruby on Rails • Databases: PostgreSQL, MongoDB, MySQL, Redis, DynamoDB Front-End Development • React.js, Next.js (SSR, ISR, App Router), Vue.js, Nuxt.js, Angular • TypeScript, TailwindCSS, Material UI, Shadcn/UI, Bootstrap AI, GenAI & Agentic AI • LLMs & APIs: OpenAI (GPT-4o, GPT-4 Turbo), Claude API, Gemini, Llama 3 • Agentic Frameworks: LangChain, LangGraph, CrewAI, AutoGen • RAG Pipelines: LlamaIndex, Pinecone, ChromaDB, pgvector • AI Tooling: Function Calling, Tool Use, Structured Outputs, JSON Mode • Voice & Multimodal: Whisper, ElevenLabs, GPT-4 Vision • Workflow Orchestration: n8n, Make, Zapier, Custom AI Pipelines • Fine-Tuning & Embeddings: OpenAI Fine-Tuning, HuggingFace • AI Deployment: Vercel AI SDK, Streaming Responses, Prompt Engineering, Guardrails Cloud & DevOps • AWS: Lambda, EC2, S3, RDS, Fargate, SNS/SQS, CloudFront • GCP: Cloud Functions, Cloud Run, BigQuery • Docker, Docker Compose, GitHub Actions, GitLab CI • Nginx, Apache, Terraform Workflow & Collaboration • Agile/Scrum, Git, Jira, Trello, Linear, Slack NOTABLE PROJECTS ------------------------------------------ 1) MyPerfectAI: AI Tool Recommendation SaaS AI-powered platform that matches users with the right tools based on task input using intelligent classification and recommendation engines. Stack: Next.js, FastAPI, PostgreSQL, GPT-4, LangChain 2) CarbonSifr: AI Carbon Emission Tracker Enterprise sustainability platform using AI/ML models to track, analyze, and forecast carbon emissions against organizational goals. Stack: Next.js, Django, Python ML, GCP 3) Origin Smart Controls: IoT Smart Building Platform Real-time IoT platform for intelligent building management with sensor integration and automated control systems. Stack: Vue.js, FastAPI, AWS IoT, MQTT 4) GolfForever: Fitness SaaS (100K+ Users) Personalized fitness training platform for golfers with video streaming, subscription billing, and performance analytics serving 100K+ active users. Stack: React.js, Node.js, AWS, Stripe 5) FashionPass: Subscription Fashion Rental Full-featured subscription-based fashion rental marketplace with real-time order management, payment integrations, and inventory tracking. Stack: Next.js, MongoDB, WebRTC, Node.js, AWS 6) Recurate: Recommerce on Shopify Scalable recommerce platform built on Shopify, powered by event-driven microservices architecture for high-throughput order processing. Stack: NestJS, PostgreSQL, SNS/SQS, DynamoDB, AWS Lambda 7) UppedEvents: Event Management SaaS End-to-end event management platform with ticketing, drag-and-drop UI builder, and high-performance API layer. Stack: Angular, Node.js, MySQL, Docker WHAT YOU CAN EXPECT ------------------------------------------ • Clean, modular, and scalable code, built for production • AI/GenAI & Agentic integrations with real-world business impact • Fast response times and clear, proactive communication • Full project ownership, from API to UI, from idea to launch • 100% satisfaction, or your money back Let's build something meaningful, message me and let's get started. FAQ Q. How well do you collaborate with non-technical founders? Ans. Very well. I explain technical decisions in plain and easy-to-understand language. I keep communication simple and transparent. Q. Are you able to take over and improve an existing codebase? Ans. Yes, I can jump into the existing system, organize the code, fix issues, and get the project on track. Q. Why should I hire you instead of an agency? Ans. Agencies can overpromise and overbudget, and they rotate engineers. With me, you work directly with a senior-level developer who delivers results without any middle layers. Keywords: Full Stack Developer, MERN Stack Developer, React.js Developer, Next.js Expert, Vue.js Developer, Angular Developer, Node.js Developer, NestJS, Python Django, FastAPI, Express.js, MongoDB, PostgreSQL, TypeScript, Shopify Developer, AI Developer, GenAI Expert, LangChain Developer, GPT-4 Integration, AI Agent Developer, CrewAI, LangGraph, RAG Pipeline, Agentic AI, LLM Integration, OpenAI API, Pinecone, Vector Database, AI Automation, AI Workflow, SaaS Developer, Marketplace Developer, AWS, DevOps

Full Stack Developer 𝘀𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘇𝗶𝗻𝗴 𝗶𝗻 𝗲𝗻𝗱-𝘁𝗼-𝗲𝗻𝗱 𝘄𝗲𝗯 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 with expertise in both frontend and backend technologies. My core stack includes Ruby on Rails for backend systems, React/Next.js for frontend interfaces, and PostgreSQL/MySQL for database solutions, delivering complete, production-ready applications. 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 Front-end Development: React | Next.js | Vue.js | TypeScript | JavaScript (ES6+) | jQuery | Redux | Context API | Tailwind CSS | Bootstrap | Material UI Backend Development: Ruby on Rails | Node.js | Express.js | RESTful API | GraphQL | WebSockets | API Integration | Authentication (JWT, OAuth) Database & ORMs: PostgreSQL | MySQL | MongoDB | ActiveRecord | Sequelize | TypeORM | Database Optimization DevOps & Deployment: Docker | AWS | Heroku | CI/CD Pipelines | GitHub Actions 𝗪𝗵𝘆 𝗬𝗼𝘂 𝗠𝘂𝘀𝘁 𝗛𝗶𝗿𝗲 𝗠𝗲 𝗪𝗶𝘁𝗵 𝟴+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗳𝘂𝗹𝗹 𝘀𝘁𝗮𝗰𝗸 𝗲𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲, I’ve built 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗦𝗮𝗮𝗦 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀, 𝗰𝘂𝘀𝘁𝗼𝗺 𝗖𝗥𝗠 𝘀𝘆𝘀𝘁𝗲𝗺𝘀, 𝗘𝗛𝗥 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀, 𝗮𝗻𝗱 𝗵𝗶𝗴𝗵-𝘁𝗿𝗮𝗳𝗳𝗶𝗰 𝘄𝗲𝗯 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 all designed to solve real business challenges. My Ruby on Rails backend mastery ensures 𝗿𝗼𝗯𝘂𝘀𝘁 𝘀𝗲𝗿𝘃𝗲𝗿-𝘀𝗶𝗱𝗲 𝗹𝗼𝗴𝗶𝗰, while my React/Next.js frontend proficiency delivers 𝗶𝗻𝘁𝘂𝗶𝘁𝗶𝘃𝗲 𝘂𝘀𝗲𝗿 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲𝘀. Whether you need a 𝗱𝗮𝘁𝗮-𝗶𝗻𝘁𝗲𝗻𝘀𝗶𝘃𝗲 𝗦𝗮𝗮𝗦 𝗽𝗿𝗼𝗱𝘂𝗰𝘁, 𝗮 𝘀𝗲𝗰𝘂𝗿𝗲 𝗘𝗛𝗥 𝘀𝘆𝘀𝘁𝗲𝗺, 𝗼𝗿 𝗮 𝗰𝘂𝘀𝘁𝗼𝗺 𝗖𝗥𝗠 tailored to your workflow, I architect full stack solutions that scale seamlessly, with optimized PostgreSQL/MySQL databases and high-performance APIs. Clients choose me because I ship fast, write maintainable code, and focus on business outcomes, not just features. 𝗟𝗲𝘁’𝘀 𝘁𝘂𝗿𝗻 𝘆𝗼𝘂𝗿 𝘃𝗶𝘀𝗶𝗼𝗻 𝗶𝗻𝘁𝗼 𝗮 𝗵𝗶𝗴𝗵-𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗶𝗻𝗴 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻.

NOT associated to any agencies, I'm working directly with you. I build reliable, production-grade web applications with Python/Django, React.js, and .NET Core. My focus is delivering clean, scalable solutions that solve real business problems. Core expertise - Backend: Python (Django, FastAPI), C# (.NET Core), Ruby on Rails - Frontend: React.js, TypeScript, responsive UI design - APIs and Automation: RESTful APIs, data pipelines, workflow automation, integrations - Software quality: Unit tests, CI/CD, SOLID principles, performance optimization Selected work - Migrated a legacy healthcare system to Django and .NET Core, ensuring secure migration of thousands of patient records. - Built a manufacturing SaaS tool used daily on production floors, reducing reporting time by 40 percent. - Automated email templating and scraping pipelines, saving clients dozens of manual hours weekly. Why me? I have over 3 years of professional experience building backend-heavy applications with strong frontend delivery. I maintain a 100 percent Job Success score on Upwork with satisfied clients, and I communicate clearly in English and Indonesian, with conversational German and Spanish. If you need a backend-focused engineer who can also deliver polished React interfaces, I can take your project from idea to deployment.

🧑‍💻 12+ 𝗬𝗲𝗮𝗿𝘀 𝗼𝗳 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗶𝗻 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗦𝗮𝗮𝗦, 𝗔𝗜 & 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 I’m a 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 & 𝗦𝗮𝗮𝗦 𝗖𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝗻𝘁 specializing in building high-performance platforms, enterprise-grade applications, and AI-driven solutions. With over 12+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲, I’ve helped 𝘀𝘁𝗮𝗿𝘁𝘂𝗽𝘀, 𝗦𝗠𝗕𝘀, 𝗮𝗻𝗱 𝗲𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲𝘀 𝗮𝗰𝗿𝗼𝘀𝘀 𝗶𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗹𝗶𝗸𝗲 𝗘𝗱𝗧𝗲𝗰𝗵, 𝗙𝗶𝗻𝗧𝗲𝗰𝗵, 𝗛𝗲𝗮𝗹𝘁𝗵𝗧𝗲𝗰𝗵, 𝗘-𝗰𝗼𝗺𝗺𝗲𝗿𝗰𝗲, 𝗥𝗲𝗮𝗹 𝗘𝘀𝘁𝗮𝘁𝗲, 𝗮𝗻𝗱 𝗖𝗥𝗠 𝘀𝘆𝘀𝘁𝗲𝗺𝘀 design, develop, and scale secure, modern, and user-friendly applications. From 𝗲𝗻𝗱-𝘁𝗼-𝗲𝗻𝗱 𝗽𝗿𝗼𝗱𝘂𝗰𝘁 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 to 𝗔𝗜 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀, 𝗖𝗥𝗠 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀, 𝗮𝗻𝗱 𝗮𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 𝘄𝗼𝗿𝗸𝗳𝗹𝗼𝘄𝘀 I bring a solution-oriented approach that ensures clean, scalable, and production-ready applications. 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: ✔️ 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ▪️React.js | Redux | TypeScript | Next.js | Material-UI | Tailwind CSS ▪️Responsive UI/UX using Figma, Adobe XD, and Sketch ▪️Performance-optimized, pixel-perfect, and cross-browser compatible interfaces ✔️ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ▪️ Python (Django, FastAPI, Flask) | Ruby on rails | Java (Spring Boot) | Node.js ▪️ RESTful APIs, GraphQL, microservices & serverless apps ▪️ AI & ML model integration into SaaS products ✔️ 𝗦𝗮𝗮𝗦 & 𝗖𝗥𝗠 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ▪️ AI agents & chatbots (OpenAI, LangChain) ▪️ Data pipelines, ETL, real-time analytics dashboards ▪️ Intelligent automation for marketing, finance & operations ▪️ Web scraping, large-scale data collection & reporting ✔️ 𝗖𝗹𝗼𝘂𝗱 & 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 ▪️ AWS, Google Cloud, Azure | Docker & Kubernetes ▪️ CI/CD pipelines for seamless deployment ▪️ High-availability, scalable SaaS architectures ✔️ 𝗧𝗵𝗶𝗿𝗱-𝗣𝗮𝗿𝘁𝘆 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 ▪️ Payment gateways: Stripe, PayPal, Razorpay ▪️ Marketing tools: HubSpot, Salesforce, Mailchimp ▪️ Social APIs: LinkedIn, Twitter, Meta ▪️ AI & Automation APIs: OpenAI, Twilio, Google APIs 🔹𝗪𝗵𝗮𝘁 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿: ✅ High-performance SaaS, CRM & enterprise solutions ✅ Secure, maintainable, and scalable code ✅ Optimized UX/UI for smooth user experiences ✅ Advanced AI-driven features & automation workflows ✅ Full ownership: from architecture → design → deployment 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲 🔹12+ years of experience across 𝗘𝗱𝗧𝗲𝗰𝗵, 𝗙𝗶𝗻𝗧𝗲𝗰𝗵, 𝗛𝗲𝗮𝗹𝘁𝗵𝗧𝗲𝗰𝗵, 𝗘-𝗰𝗼𝗺𝗺𝗲𝗿𝗰𝗲, 𝗥𝗲𝗮𝗹 𝗘𝘀𝘁𝗮𝘁𝗲, 𝗮𝗻𝗱 𝗦𝗮𝗮𝗦/𝗖𝗥𝗠. 🔹Strong background in 𝗔𝗜-𝗽𝗼𝘄𝗲𝗿𝗲𝗱 𝗮𝗽𝗽𝘀, 𝗱𝗮𝘁𝗮-𝗱𝗿𝗶𝘃𝗲𝗻 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝘀, 𝗮𝗻𝗱 𝗲𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀. 🔹Proven ability to 𝗹𝗲𝗮𝗱 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀, 𝗼𝗽𝘁𝗶𝗺𝗶𝘇𝗲 𝘄𝗼𝗿𝗸𝗳𝗹𝗼𝘄𝘀, 𝗮𝗻𝗱 𝗱𝗲𝗹𝗶𝘃𝗲𝗿 𝗼𝗻 𝘁𝗶𝗺𝗲. 𝗜 𝗯𝗲𝗹𝗶𝗲𝘃𝗲 𝗶𝗻 𝘁𝗿𝗮𝗻𝘀𝗽𝗮𝗿𝗲𝗻𝘁 𝗰𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻, 𝗮𝗴𝗶𝗹𝗲 𝘄𝗼𝗿𝗸𝗳𝗹𝗼𝘄𝘀, 𝗮𝗻𝗱 𝗰𝗹𝗶𝗲𝗻𝘁-𝗳𝗼𝗰𝘂𝘀𝗲𝗱 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 I bring not just technical expertise but also product-focused thinking—helping you craft solutions that are scalable, user-friendly, and business-driven. 📩 𝗟𝗲𝘁’𝘀 𝗕𝘂𝗶𝗹𝗱 𝗦𝗼𝗺𝗲𝘁𝗵𝗶𝗻𝗴 𝗔𝗺𝗮𝘇𝗶𝗻𝗴 If you’re looking for a reliable, highly-skilled full-stack developer who can architect, develop, and deliver high-quality SaaS products—𝗹𝗲𝘁’𝘀 𝘁𝗮𝗹𝗸!

I build AI automation systems, SaaS platforms, backend APIs, and workflow tools that replace manual work and run reliably in production. I’m Hassan Ali, a Top Rated senior full-stack and AI automation engineer with 8+ years of experience, 2,500+ Upwork hours, and $80k+ earned. My work sits between software engineering and business automation. I help companies build AI-powered workflows, API integrations, internal tools, dashboards, SaaS products, and backend systems that are stable enough for real users. What I Do: AI Automation & Workflow Systems: n8n, Zapier, Make, webhooks, and custom automation logic AI workflows using OpenAI, Claude, structured outputs, and LLM APIs AI agents, assistant workflows, chatbots, and human-in-the-loop systems CRM automation, lead workflows, reporting automation, and operational tools Data extraction, parsing, enrichment, and business process automation Full-Stack SaaS Development: React, Next.js, TypeScript, Node.js, Python, Ruby on Rails SaaS MVPs, dashboards, admin panels, internal tools, and customer portals Authentication, roles/permissions, billing, onboarding, and notifications Multi-step workflows, approval flows, background jobs, and API-driven systems PostgreSQL, Supabase, MySQL, Firebase, Elasticsearch, and cloud deployments API Integrations & Backend Systems: REST APIs, GraphQL, webhooks, third-party integrations Stripe, Twilio, CRMs, email platforms, SaaS tools, and internal systems Backend architecture, database design, and production reliability AWS, Docker, CI/CD, Vercel, Heroku, and deployment workflows Relevant Work: Glassdoor Worked on internal tools and workflow systems supporting business operations, reporting, and data-heavy processes. Modlr / Closr AI-powered SaaS products using Claude, Stripe, Supabase, custom authentication, production fixes, and user-facing AI workflows. Thena.ai Built automation workflows, dashboards, and integrations across support systems and CRMs. Focused on syncing data, event handling, and internal automation. HungerRush Worked on backend APIs and system reliability for a large-scale platform with real users and operational load. StudioGrowth Developed booking, payments, and workflow systems for a SaaS product used by real businesses. Holistic Business Solutions Built and maintained a medical billing platform with complex workflows, reporting, reconciliation, and backend automation. Compliance Easy Architecture and scalability work on a compliance-focused SaaS platform. Tech Stack: JavaScript / TypeScript / Python / Ruby Node.js / React / Next.js / Rails PostgreSQL / MySQL AWS / Docker / CI/CD APIs / Webhooks / Automation Systems OpenAI / AI integrations How I work: I do not build fragile automations that break after a few days. I focus on clean workflows, clear data flow, proper error handling, and systems that business teams can actually use. My usual process: Understand the business workflow Identify what should be automated and what should stay human-reviewed Design the data flow, API connections, and failure cases Build the first reliable version Test with real scenarios Document the system so it can be maintained and extended I’m a good fit if you need someone who can: automate manual workflows build AI-powered business systems connect tools and APIs improve an existing SaaS product build backend systems and dashboards fix unreliable automations turn AI ideas into production-ready workflows If you need a senior engineer who understands both product and execution, I can help you design and build the system properly.

Hi! I'm a Full Stack Developer with 10+ years of experience building websites, web apps, and mobile apps that are fast, clean, and built to last. I've worked with startups, agencies, and businesses of all sizes. I don't just write code — I understand what you actually need and deliver it properly, on time, every time. What I build & how it helps you: React.js — Modern, fast web applications with smooth user experience. Perfect for dashboards, portals, and custom web products. React Native — One codebase, two platforms. Your app runs on both Android & iOS without double the cost. Webflow — Pixel-perfect marketing websites and landing pages with built-in CMS. No ongoing dev cost for simple updates. Framer — Stunning interactive websites with smooth animations that convert visitors into customers. Drupal — Enterprise-level CMS for large platforms needing custom features, roles, and high security. WordPress — Custom themes, plugins, and WooCommerce stores that you can manage on your own later. REST APIs — Connects your app to payment gateways, third-party tools, and any backend service you need. MySQL / PostgreSQL — Safe, fast, and scalable database design for any size of application. My tech stack: React.js · React Native · JavaScript · TypeScript · PHP · Drupal 9/10 · WordPress · Webflow · Framer · Tailwind CSS · HTML5/CSS3 · REST APIs · MySQL · PostgreSQL · Git What you always get when you work with me: ✔ Clean, readable code that's easy to maintain ✔ Fully responsive design on all devices ✔ Clear communication and daily updates ✔ On-time delivery — no excuses ✔ Performance-optimized builds ✔ Support even after the project is done I care about your product as much as you do. Whether it's a simple landing page or a full web application — I'll build it right. Send me a message. I usually reply within a few hours.