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Ishaan  S.
$20/hr
97% Job Success
$50K+ earned
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# AI-Native Frontend Engineer | React, Next.js, Vue.js | SaaS Expert Hi, I'm Ishaan Sharma, a Senior Frontend Engineer with 6+ years of experience building scalable SaaS products, AI-powered applications, dashboards, marketplaces, and modern web platforms. I specialize in transforming complex business requirements into fast, intuitive, and conversion-focused user experiences. Whether you're building a new product from scratch, scaling an existing platform, integrating AI capabilities, or modernizing a legacy application, I can help deliver a solution that is performant, maintainable, and designed for growth. What sets me apart is my product-focused approach. I don't just build screens—I help create experiences that improve user engagement, streamline workflows, and support business objectives. I work extensively with AI-assisted development workflows, enabling faster delivery without compromising code quality, architecture, or maintainability. ### Core Expertise **Frontend Development** * React.js * Next.js * Vue.js * Nuxt.js * TypeScript * JavaScript (ES6+) **State Management** * Redux Toolkit * Zustand * TanStack Query * Vuex * Pinia **UI Development** * Tailwind CSS * Material UI * Ant Design * Chakra UI * Bootstrap * Vuetify **API & Integrations** * REST APIs * GraphQL * WebSocket Integrations * Third-Party SDK Integrations **AI & Modern Applications** * OpenAI Integration * AI Chat Systems * AI Assistants * Intelligent Search * AI-Powered Dashboards * Agentic Workflow Applications **Testing & Quality** * Storybook * React Testing Library * Vue Test Utils * Component-Driven Development ### Industries & Products ✔ SaaS Platforms ✔ AI Applications ✔ Marketplaces ✔ Fintech Products ✔ Healthcare Platforms ✔ CRM & ERP Systems ✔ Booking & Reservation Systems ✔ E-commerce Applications ✔ Internal Business Tools ✔ Analytics & Reporting Dashboards ### Services ✔ Full Frontend Development ✔ SaaS Product Development ✔ MVP Development ✔ Design-to-Code Implementation (Figma, Adobe XD, PSD) ✔ Responsive Web Applications ✔ UI/UX Improvements ✔ Frontend Performance Optimization ✔ AI Feature Integration ✔ Component Library Development ✔ Storybook Implementation ✔ Code Reviews & Refactoring ✔ Ongoing Product Maintenance ### Why Clients Work With Me * Strong focus on clean, maintainable architecture * Excellent communication and proactive collaboration * Product-minded engineering approach * Experience working with startups and enterprise teams * Fast delivery without sacrificing quality * Long-term support and scalability planning If you're looking for a developer who understands both modern frontend engineering and business goals, I'd be happy to discuss your project and help bring your product to life. Let's build something great together.
Ishaan S. has worked .
SoftProdigy
Associated with
SoftProdigy
$10M+
earned
Muhammad  U.
$35/hr
100% Job Success
Offers consultations
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🚀 Looking for a highly experienced Senior Developer & Technical Lead who can build scalable AI-powered SaaS platforms, automation systems, and enterprise applications? With 8+ years of experience in software engineering and modern SaaS architecture, I specialize in building high-performance applications using Laravel, Node.js, Vue.js, React.js, AI Agents, RAG systems, and LLM integrations. ━━━━━━━━━━━━━━━ 🔥 AI & Automation Expertise ━━━━━━━━━━━━━━━ ✅ AI Agents Architecture ✅ RAG (Retrieval-Augmented Generation) Systems ✅ OpenAI API / Claude API / Gemini API ✅ AI Workflow Automation ✅ AI Chatbots & AI Assistants ✅ Multi-Agent AI Systems ✅ Vector Databases ✅ AI SaaS Platforms ✅ Prompt Engineering ✅ AI Content Automation ✅ WhatsApp AI Automation ✅ AI-powered CRM & Recruitment Systems ✅ LLM Integrations & Deployment ✅ AI Tool Calling & Function Calling ✅ Knowledge Base AI Systems ✅ MCP & Automation Pipelines ━━━━━━━━━━━━━━━ ⚡ Backend & SaaS Architecture ━━━━━━━━━━━━━━━ ✅ Laravel ✅ PHP ✅ Node.js ✅ RESTful APIs ✅ GraphQL APIs ✅ Scalable SaaS Architecture ✅ Microservices ✅ Queue Systems ✅ Authentication & Authorization ✅ Multi-Tenant SaaS Systems ✅ Payment Gateway Integrations ✅ Webhooks & Automation ✅ Web Scraping & Data Systems ━━━━━━━━━━━━━━━ 🎨 Frontend Technologies ━━━━━━━━━━━━━━━ ✅ Vue.js / Nuxt.js ✅ React.js / Next.js ✅ TypeScript ✅ Inertia.js ✅ Tailwind CSS ✅ Livewire ✅ Real-Time Applications ✅ Socket. io / WebSockets / Pusher ━━━━━━━━━━━━━━━ ☁️ DevOps & Infrastructure ━━━━━━━━━━━━━━━ ✅ AWS ✅ Docker ✅ Kubernetes ✅ CI/CD Pipelines ✅ Linux Server Management ✅ Cloud Deployment ✅ Performance Optimization ✅ Scalable Infrastructure ━━━━━━━━━━━━━━━ 🗄️ Databases & AI Storage ━━━━━━━━━━━━━━━ ✅ MySQL ✅ PostgreSQL ✅ MongoDB ✅ Redis ✅ Firebase ✅ Vector Databases ━━━━━━━━━━━━━━━ 🚀 Industries & Platforms Built ━━━━━━━━━━━━━━━ ✔ AI SaaS Platforms ✔ Recruitment & HR Tech ✔ CRM & Automation Systems ✔ FinTech & Investment Platforms ✔ LMS & Coaching Platforms ✔ Dispatching & Workflow Systems ✔ E-commerce & Marketplace Platforms ✔ Healthcare Systems ✔ Marketing Automation Platforms ✔ Web Scraping & Analytics Systems ━━━━━━━━━━━━━━━ 💡 Why Clients Work With Me ━━━━━━━━━━━━━━━ ✔ Senior-Level Architecture Thinking ✔ Startup & SaaS Expertise ✔ Strong Communication ✔ Scalable Clean Code ✔ AI-First Product Development ✔ Long-Term Technical Partnership ✔ Full Product Development Lifecycle ✔ Team Leadership & Mentoring If you're building an AI-powered SaaS platform, automation system, enterprise application, or scalable startup product — let’s work together. I help startups and businesses transform ideas into scalable AI-powered products. If you're building an AI-powered SaaS platform, automation system, enterprise application, or scalable startup product — let’s work together. Furthermore, I can provide support services for your web application and create a custom chat widget to enhance user engagement and satisfaction. When you choose to work with me, you can expect high-quality code that perfectly fits your expectations and budget. I am committed to delivering completely efficient and bug-free solutions that will propel your project to success. Unleash the Power of These Magic Keywords to find me on Upwork: A key developer and took Unicorn with two different companies, AI agents, Automation, LLM Integration, Backend, PHP, Laravel Framework, Livewire, Symfony, OOP, MVC, Dialogflow, Chatbot, Webhook, RESTful API, Golang, Python, Frontend, Javascript, React, Redux, GraphQL, Vue.JS, Vuex, Vuetify, Nuxt.JS, TypeScript, Kotlin, jQuery, jQuery UI, Angular, Angular JS, HTML5, CSS3, LESS, SASS, SCSS, Bootstrap UI, Semantic UI, Element UI, Webpack, Jest, Cypress, CKEditor, Databases, MySQL, MongoDB, MariaDB, Redis, PostgreSQL, Oracle, Firebase, APIs, RESTful API, Amazon, Twilio, Google, Facebook, LinkedIn, Twitter, Stripe, YouTube, Vimeo, Pinterest, and Firebase, VCS, Git, (Github, Bitbucket, Assembla, Gitlab), Core web, XML, JSON, Methodology, Scrum, Agile, Kanban
Muhammad U. has worked .
Ajay R.
$20/hr
94% Job Success
$90K+ earned
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Looking for a reliable developer who delivers clean, scalable code on time and on budget? You've come to the right place. I am a Full Stack Developer with expertise on Angular, Python, Node, React.js,Vue.js,Nuxt & D3.js I’m a seasoned Fullstack Developer with 08+ years of experience designing, deploying, and optimizing cutting-edge AI systems and web applications for startups and enterprises. My dual expertise allows me to bridge the gap between advanced machine learning models and user-friendly, production-ready software—delivering end-to-end solutions that drive real business impact. If you are looking at my profile you are probably looking for a React and Node js developer. If so then you're on the right page here because I'm full stack developer, who utilizes MEAN for more than five years. So it means I can develop either your front end, or back end or both, the whole project. I'm capable of developing the project from scratch, I'm also comfortable working with other developers code, not afraid of legacy code issues and can resolve them. I also know React.js and some Vue.js so java something to compare with and I like this framework the most. JSX makes it easier to read the code, Redux also has plenty of advantages in some cases and of course the number of UI libraries to use is impressive. What I offer: 💎 A proven track record in building and maintaining SaaS solutions 💎 Expertise in API integration, ensuring seamless communication between front and backend 💎 A collaborative, problem-solving approach to every challenge 💎 End-to-end project management from initial concept to deployment and beyond So if you hesitate about front end stack – just use Angular.js and be sure you'll like your final products look and performance.So now you know something about me, if you want to know more – feel free to ask. If you want to see my code samples or some previous works – feel free to ask as well. I’m passionate about delivering code that not only works but works well. Whether you need a single service or an entire project managed from start to finish, I’m here to help. I pride myself on clear communication, attention to detail, and ensuring that every client’s vision is fully realized. ✅ Fullstack MERN Development: 🔹Frontend: React, TypeScript, and modern UI libraries (Tailwind, Material-UI, Chakra UI). 🔹Backend: Node.js, Express, Nest.js, and RESTful API development. 🔹Database & DevOps: MongoDB, PostgreSQL, and cloud deployment (AWS, Firebase). ➡️ Why Work With Me? 🔹Full-Cycle Ownership: From AI model prototyping to deploying polished web apps, I handle both R&D and production. 🔹Performance-Driven: Optimized apps for speed (e.g., reduced latency by 30% in AI pipelines) and scalability. 🔹Collaborative Agile Workflow: Experienced in Agile/Scrum teams, startups, and solo projects. 🎯 Personal Skills: - Commitment to Quality - Timely Delivery - Strong Team Collaboration - Rapid Adaptability - Customer-Centric Approach
Ajay R. has worked .
Steves AI Lab Pvt Ltd
Associated with
Steves AI Lab Pvt Ltd
Abbas R.
$30/hr
100% Job Success
$70K+ earned
Offers consultations
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Hi! I’m a Full Stack Developer with years of experience in building robust web and desktop applications using Laravel, Node.js, Vue.js, React, and Electron. With experience across both front-end 🖥️ and back-end 🗄️ development, and AI (GPT) integration 🤖, I create seamless applications that drive results 📈 and maximize your investment 💼 🔶 Here’s how I can help you 🔶 ✅ AI ( GPT ) Integration ✅ AI Chat Bot ✅ Web Development ✅ Laravel Development ✅ NodeJs Development ✅ API Integration ✅ Payment Gateway Integration ✅ Desktop App Development ✅ Chrome Extension Development 🔶 My Skills🔶 ✔️ Laravel ✔️ VueJs ✔️ React ✔️ TypeScript ✔️ NodeJs ✔️ Electron ✔️ JavaScript ✔️ Linux ✔️ Nginx ✔️ JQuery ✔️ PHP ✔️ GraphQL ✔️ MySQL ✔️ PostgreSQL 🔶 Why Choose Me? 🔶 ✅ Very responsive ✅ Always meet deadlines ✅ Complete Customer satisfaction ✅ Will provide the best possible solution I would love to build a great working relationship with my clients through expertise, honesty, and diligence. Feel free to contact me any time.
Abbas R. has worked .
$15/hr
100% Job Success
$3K+ earned
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I am a Full-Stack Developer with expertise in PHP, Laravel, React.js, Vue.js, MySQL, JavaScript, and API development, helping businesses build scalable, secure, and high-performance web applications. With experience in developing custom web platforms, SaaS products, CRM systems, eCommerce solutions, and enterprise applications, I focus on writing clean, maintainable code and delivering solutions that align with business goals. What I Can Help You With ✅ Laravel Web Application Development ✅ Custom PHP & Laravel Solutions ✅ RESTful API Development & Integration ✅ React.js Single Page Applications (SPA) ✅ Vue.js Frontend Development ✅ Laravel + React/Vue Full-Stack Applications ✅ Authentication & Authorization (JWT, Sanctum, OAuth) ✅ Payment Gateway Integration (Stripe, PayPal, etc.) ✅ Database Design & Optimization (MySQL, PostgreSQL) ✅ Third-Party API Integrations ✅ SaaS Product Development ✅ CRM & ERP Systems ✅ Bug Fixing, Performance Optimization & Maintenance Technical Skills Backend: PHP | Laravel | Laravel Livewire | REST APIs | GraphQL | MySQL | PostgreSQL Frontend: React.js / Nect.js | Vue.js / Nuxt.js | JavaScript (ES6+) | TypeScript | HTML5 | CSS3 | Tailwind CSS | Bootstrap Tools & Technologies: Git / GitHub / GitLab | Docker | Linux | AWS | CI/CD | Nginx | Apache Why Work With Me? ✔ Clean, scalable, and maintainable code ✔ Strong communication and project transparency ✔ Focus on performance, security, and best practices ✔ Reliable delivery and long-term support ✔ Business-oriented solutions, not just code Whether you need a complete web application, API integration, frontend development with React/Vue, or ongoing Laravel support, I can help turn your ideas into robust and scalable solutions. Let's discuss your project and build something great together.
Luis M.
$85/hr
100% Job Success
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I'm a senior full-stack developer with over a decade of experience building robust web applications for clients around the world — always working 100% remotely. ✅ Specialized in PHP (Laravel & Symfony) and modern frontend development with Vue.js ✅ Proven track record delivering complete, custom solutions from scratch ✅ Comfortable working across the full stack: backend, APIs, databases, frontend, DevOps ✅ Solid experience with cloud platforms like AWS, including EC2, RDS, S3, and Lambda ✅ Strong focus on clean code, scalability, and long-term maintainability I hold a degree in Systems Engineering from Universidad Católica Boliviana and have led or contributed to projects across a range of industries — from startups to enterprise platforms. If you’re looking for a reliable, proactive developer who communicates well and delivers high-quality work, I’d be happy to connect. Let’s build something great together.
Luis M. has worked .
Kamaldeep S.
$20/hr
100% Job Success
$100K+ earned
Offers consultations
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⚡ TOP RATED Freelancer | ⚡ 13+ Years Experience | ⚡ 9600+ Working Hours | ⚡ 100% Job success I’m 𝑲𝒂𝒎𝒂𝒍𝒅𝒆𝒆𝒑 𝑺𝒊𝒏𝒈𝒉, a seasoned Full - Stack Developer with 13+ years of experience in crafting high-performance web and mobile applications that empower businesses to grow and succeed. Whether you're a startup looking for a strong foundation or an established company aiming to enhance your digital presence, I deliver tailored solutions that are efficient, secure and scalable. My expertise lies in architecting and developing applications of all complexities from simple platforms to intricate systems, ensuring they align perfectly with client needs. With a proven track record of delivering proven track record of delivering end to end solutions, I am dedicated to building innocative, future-ready applications that drive real results. I have extensive experience in developing CRMs, web applications, and portals using leading PHP frameworks such as Laravel, CakePHP, Yii, and CodeIgniter. Additionally, I have a strong command of modern JavaScript frameworks like React, Angular, and Vue.js. 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲? ✅ 𝗧𝗼𝗽-𝗥𝗮𝘁𝗲𝗱 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 – Among the top 3% talent on Upwork, with 9,600+ hours completed and 110+ successful projects ✅ 𝗛𝗮𝘀𝘀𝗹𝗲-𝗙𝗿𝗲𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 – I take care of the technical challenges, so you can focus on growing your business ✅ 𝗖𝘂𝘀𝘁𝗼𝗺, 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 – From automation to software integrations, I build solutions that evolve with your business ✅ 𝗙𝗮𝘀𝘁 & 𝗥𝗲𝗹𝗶𝗮𝗯𝗹𝗲 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 – Quick response times and dedicated assistance for any technical issues 𝐖𝐡𝐚𝐭 𝐈 𝐃𝐨 𝐁𝐞𝐬𝐭 Custom Web & App Development ✔ Full Stack Development – Scalable, high-performance applications using PHP, JavaScript, Python, and Node.js ✔ Custom WOrdpress Solutions – Theme & plugin development, WooCommerce, API integrations ✔ Business Automation & Custom Software – Streamlining operations with tailored solutions ✔ Web & CRM DEvelopment – Robust systems using Laravel, CodeIgniter, Yii, React, Angular, and Vue.js ✔ Seamless System Integrations – Connecting platforms for smooth workflows 𝐌𝐲 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 💻 Full Stack Development ▸ Full-Stack Development (React, Angular, Vue.js, Node.js, Express.js) ▸ RESTful APIs & Microservices ▸ Scalable Cloud-Based Solutions (AWS, Docker) ▸ Database Development (MongoDB, MySQL, PostgreSQL) 🎨 Frontend Development ▸ Modern UI/UX with React, Vue.js, Next.js ▸ Responsive & Interactive Designs (Tailwind CSS, Webflow, Figma) ▸ Performance Optimization & Testing (Jest, Cypress) 🔧 Backend Development ▸ Secure, high-performance backend using Node.js, PHP, Python (Django, Flask) ▸ API Development (REST, GraphQL) ▸ Scalable Microservices Architecture 🛒 E-commerce & Specialized Development ▸ WooCommerce & Shopify Customization ▸ Custom E-commerce Solutions ▸ Automation & AI-Powered Chatbots ▸ Page Speed Optimization & Performance Tuning 𝐋𝐞𝐭’𝐬 𝐁𝐮𝐢𝐥𝐝 𝐒𝐨𝐦𝐞𝐭𝐡𝐢𝐧𝐠 𝐆𝐫𝐞𝐚𝐭! I specialize in developing high-quality, scalable and future- proof applications to help businesses automate, innovate and grow. Let’s connect and discuss how I can bring your vision to life! Top-Rated Plus Full-Stack Developer | WordPress & WooCommerce Specialist | Elementor Pro Expert | Frontend & Backend Development | Web & App Development | React.js | Angular.js | Vue.js | Node.js | PHP & Laravel Expert | Custom Web Solutions | Business Automation | Scalable & High-Performance Development
Kamaldeep S. has worked .
Twins Technolabs Pvt. Ltd.
Associated with
Twins Technolabs Pvt. Ltd.
Areg H.
$80/hr
100% Job Success
Available now
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Senior Web Engineer with over 12 years of experience. Specialized in system architecture, coding, designing, managing projects, and optimizing web applications. Demonstrated history in delivering well-structured, optimized, and clean code in line with industry standards. Skilled in crafting seamless user interfaces and API solutions, significantly enhancing efficiency and performance. Proven track record in developing and leading large-scale projects, collaborating with cross-functional teams, and mentoring peers. Committed to ensuring top-notch security and reliability in all projects. Proficient in full-stack development, with expertise in PHP, Laravel, Yii frameworks, MySQL, Node JS, PostgreSQL, Vue JS, React, Javascript, REST APIs, HTML, CSS, Git, Docker, Agile Development, AWS etc. Adept at problem-solving and adding value to businesses through strategic technology implementation and an outstanding work ethic. Always deliver well-structured, optimized, scalable and clean code which follows industry standards. Attention to detail, honesty, devotion and professionalism are the key points of my success.
Areg H. has worked .
Syed S.
$25/hr
100% Job Success
Offers consultations
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Hi 👋 I’m Syed Saqlain, a Top Rated Plus Full Stack Developer with over 7 years of experience building SaaS platforms, real estate solutions, AI-powered applications, and fintech systems for clients worldwide. I combine backend expertise (Laravel, Node.js, Python) with frontend mastery (Vue.js, React, Vuetify, Tailwind) to deliver scalable, secure, and user-friendly web applications. ✅ What I Did Best Full-Stack SaaS Development – Multi-tenant systems, subscription billing, quote → estimate → job workflows, real-time dashboards Real Estate Platforms – Property listings, MLS/Zillow API integration, map-based search, tenant/owner portals, broker dashboards AI/ML Integrations – OpenAI, Hugging Face, vector search (Typesense/Meilisearch), custom-trained models for chatbots & document intelligence FinTech & DeFi Apps – Payment gateways (Stripe, PayPal, Authorize.net), crypto wallets, trading dashboards, smart contracts (Ethereum, Algorand, Hyperledger) API Development & Integrations – REST APIs, payment processing, messaging (Twilio, SendGrid), 3rd-party SaaS integrations DevOps & Cloud – AWS (Lambda, EC2, RDS, S3), Docker, GitHub Actions, CI/CD pipelines for smooth deployments 🔹 Highlighting Projects 📌 Real Estate SaaS Platform Developed a property management solution with map-based search, automated lease generation, and multi-tenant portals for brokers, owners, and tenants. 📌 AI-Powered Contract Assistant Integrated OpenAI + Laravel backend to allow users to upload and query contracts in natural language. Added vector search for fast, domain-specific answers. 📌 FinTech/DeFi Trading System Built a crypto trading dashboard + backend bot with Binance API, risk-managed strategies, and Stripe/PayPal integration for user accounts. 📌 Field Service Management SaaS Implemented quote → estimate → job workflow with real-time dispatcher scheduling, SMS/email automation, and KPI dashboards. 🔹 Why Work With Me? ✔️ 5,000+ Upwork hours | 100% Job Success ✔️ Experience across SaaS, Real Estate, AI/ML, Trading Systems, and FinTech ✔️ Strong focus on scalability, performance, and long-term maintainability ✔️ End-to-end delivery — from backend architecture to frontend UX 💬 Let’s build your next scalable SaaS, AI-powered app, or FinTech platform.
Syed S. has worked .
Rohan J.
$25/hr
100% Job Success
$600K+ earned
Available now
Offers consultations
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Hey! Invite me as your AI colleague and I will help you find where AI can save time, reduce cost, and create measurable ROI in your business. 🌟 Senior Full Stack and AI Engineer for SaaS, AI Agents, Automation 🚀 Scaled platforms to 1 Million+ users 💰 Supported $1 Million and $0.5 Million funded startups 💯 100% client satisfaction 🤝 90% recurring clients 🏆 12+ years of professional experience ⭐ 26,732 plus Upwork hours delivered 🔥 $600K+ plus earned through long term client work ✨ 81 plus five star projects completed I use modern workflows and AI coding tools to move up to 5x faster while still reviewing architecture, security, data flow, and code quality manually. Speed matters, but reliability matters more. Built MVPs for startups with $12 Million+ funding raised and products serving 1.5 Million+ users worldwide. 🔥 𝟳𝟱% 𝗛𝗥 𝗿𝗲𝗱𝘂𝗰𝗲𝗱 with AI Agent Development. 🔥 𝟯-𝟲𝘅 𝗥𝗢𝗜. 𝟴𝟬𝟬+ 𝗵𝗼𝘂𝗿𝘀 n8n Automation. Over 12 years I've delivered $670K+ across Web Development, Web Application, and AI Agent Development engagements in FinTech, HealthTech, PropTech, and B2B SaaS. My clients have collectively raised $12 Million+ in funding: 🔥 Tallyfy ($1.4M), MetaBeta (€500K) 🔥 Elevatus ($10.5M) 🔥 scaled to 1 Million+ active users. I am a full stack developer and AI developer with 12 years of experience building production systems across FinTech, HealthTech, PropTech, and B2B SaaS. My clients have raised $12M+ in funding including Tallyfy ($1.4M), MetaBeta (€500K), and Elevatus ($10.5M), and scaled products to 1.5 Million+ active users worldwide. Over 12 years I have delivered $670K+ across web development, web application, and AI agent development engagements with 90% recurring clients and 100% satisfaction. ✅ 12+ years | $670K+ delivered | 1.5M+ users scaled | $12M+ client funding raised ✅ AI agent development: 75% HR reduction, 3-6x ROI, 800+ hours of n8n automation ✅ Full stack development: 40+ production systems across FinTech, HealthTech, PropTech, SaaS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Key results from recent engagements: ▸ Reduced a client's HR overhead by 75% using a Python and LangChain AI agent that replaced 3 full-time employees with a 24/7 autonomous sales system ▸ Built API integration pipelines unifying 12 platforms simultaneously and processing 500+ daily NLP queries ▸ n8n automation across 30 active marketing workflows drove a 40% increase in lead generation ▸ AI chatbot and AI app development solutions returning 3-6x ROI within the first 90 days ▸ PostgreSQL optimizations delivering 3x query performance improvements across high-traffic applications ▸ German tax-filing SaaS processing 36 Million+ declarations on Laravel and PostgreSQL ▸ HIPAA-compliant healthcare platform on Node.js, React, and TypeScript ▸ PropTech portal on Next.js, FastAPI, and PostgreSQL handling 100+ search parameters ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗔𝗜 𝗔𝗴𝗲𝗻𝘁 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ AI agent development is my primary engineering focus. I design and build full agentic pipelines using Python, LangChain, and machine learning, from RAG-powered vector retrieval and knowledge graphs through to voice AI bots and autonomous multi-agent orchestration. Every AI agent system I deliver applies prompt engineering discipline and data science principles for domain accuracy. I treat AI development as a full-stack business transformation, not a feature addition. I layer API integration, API development, and RESTful API surfaces over FastAPI, Django, and Node.js backends, then deliver them through React, Vue.js, and Next.js frontends. Every AI agent development system I architect applies data science and prompt engineering for domain accuracy. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ I build backend systems on PHP, Laravel, Django, FastAPI, Node.js, NestJS, ExpressJS, and Ruby on Rails. Frontend interfaces are built with React, Vue.js, Next.js, Angular, TypeScript, JavaScript, HTML5, CSS3, and Tailwind CSS. Databases are PostgreSQL, MySQL, and MongoDB. Deployments run on Docker and AWS. I have delivered 40+ production full stack systems across every major vertical. API integration, API development, HTML5, and RESTful API connectivity are non-negotiable standards in every full stack project I lead. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗪𝗲𝗯 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 & 𝗪𝗲𝗯 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ I have built web application and web development systems across every major vertical. React and Next.js frontends pair with PHP, Laravel, and Node.js backends grounded on PostgreSQL, MySQL, and MongoDB. I bring CSS3, HTML5, Tailwind CSS, TypeScript, and automation engineering precision to every interface. Every system I deliver is production-grade, documented, and built to scale. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Rohan J. has worked .