🏆 𝗦𝗲𝗻𝗶𝗼𝗿 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 | 💲𝟳𝟬𝗞+ 𝗘𝗮𝗿𝗻𝗲𝗱 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 | 𝟭𝟯+ 𝗬𝗲𝗮𝗿𝘀 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 | 𝗔𝗜 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 I help startups, SaaS companies, and growing businesses automate manual processes and integrate AI into their existing products and workflows. From customer support and internal operations to document processing, search, e-commerce, and content automation, I build 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻-𝗿𝗲𝗮𝗱𝘆 𝗔𝗜 𝘀𝘆𝘀𝘁𝗲𝗺𝘀 that solve real business problems and reduce manual work. 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗼 🔹 𝗔𝗜 𝗖𝘂𝘀𝘁𝗼𝗺𝗲𝗿 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 & 𝗦𝗮𝗹𝗲𝘀 AI chatbots for websites, Telegram, Discord, and WhatsApp that answer customer questions, provide support, qualify leads, and automate routine conversations. 🔹 𝗔𝗜 𝗦𝗵𝗼𝗽𝗽𝗶𝗻𝗴 & 𝗣𝗿𝗼𝗱𝘂𝗰𝘁 𝗦𝗲𝗮𝗿𝗰𝗵 AI shopping consultants and product search that help customers find the right products, compare options, and discover products using natural language. 🔹 𝗔𝗜 𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 & 𝗗𝗼𝗰𝘂𝗺𝗲𝗻𝘁 𝗦𝗲𝗮𝗿𝗰𝗵 AI-powered search across company knowledge, documentation, and internal information, plus chat with uploaded PDF documents. 🔹 𝗔𝗜 𝗘𝗺𝗽𝗹𝗼𝘆𝗲𝗲 𝗔𝘀𝘀𝗶𝘀𝘁𝗮𝗻𝘁𝘀 AI assistants that help employees find information, answer questions, handle routine tasks, and reduce repetitive work. 🔹 𝗔𝗜 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗣𝗿𝗼𝗰𝗲𝘀𝘀 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 AI systems that process, classify, and route incoming emails and requests, automate repetitive workflows, and reduce manual operational work. 🔹 𝗔𝗜 𝗗𝗼𝗰𝘂𝗺𝗲𝗻𝘁 𝗣𝗿𝗼𝗰𝗲𝘀𝘀𝗶𝗻𝗴 & 𝗗𝗮𝘁𝗮 𝗘𝘅𝘁𝗿𝗮𝗰𝘁𝗶𝗼𝗻 AI-powered processing of PDFs, invoices, receipts, and other business documents that extracts useful information and eliminates manual data entry. 🔹 𝗔𝗜 𝗘-𝗰𝗼𝗺𝗺𝗲𝗿𝗰𝗲 𝗖𝗼𝗻𝘁𝗲𝗻𝘁 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 AI-generated product descriptions, product listings, marketing content, product images, and catalog content at scale. 🔹 𝗔𝗜 𝗔𝗱𝘃𝗲𝗿𝘁𝗶𝘀𝗶𝗻𝗴 𝗖𝗼𝗻𝘁𝗲𝗻𝘁 AI-generated advertising images and short videos for faster creative production, testing, and campaign iteration. 🔹 𝗔𝗜 𝗩𝗼𝗶𝗰𝗲 𝗔𝘀𝘀𝗶𝘀𝘁𝗮𝗻𝘁𝘀 AI voice assistants that handle customer calls, answer questions, qualify leads, and automate routine conversations. 💬 𝗛𝗮𝘃𝗲 𝗮 𝗺𝗮𝗻𝘂𝗮𝗹 𝘄𝗼𝗿𝗸𝗳𝗹𝗼𝘄 𝘆𝗼𝘂 𝘄𝗮𝗻𝘁 𝘁𝗼 𝗮𝘂𝘁𝗼𝗺𝗮𝘁𝗲? Send me what you’re doing manually today. I’ll show you what can be automated and what an AI-powered solution could look like. Python Developer, Senior Python Developer, Python Backend Developer, Python AI Developer, AI Developer, AI Engineer, AI Integration Developer, AI Automation Developer, AI Application Developer, LLM Developer, Generative AI Developer, AI Agent Developer, AI Chatbot Developer, AI Assistant Developer, RAG Developer, RAG Engineer, OpenAI Developer, OpenAI API Developer, Claude API Developer, LangChain Developer, LangGraph Developer, FastAPI Developer, Django Developer, Python SaaS Developer, SaaS Developer, Backend Engineer, Backend Developer, API Developer, REST API Developer, AI Automation Expert, AI Integration Specialist, Document AI Developer, AI Voice Assistant Developer 𝗔𝗜 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 AI workflow automation, AI business automation, AI process automation, AI-powered automation, AI integration, AI software integration, LLM integration, AI API integration, chatbot development, AI chatbot development, custom AI chatbot, AI assistant development, AI agent development, AI automation solutions, AI workflow development, AI SaaS development, AI MVP development, AI application development, custom AI software development. 𝗔𝗜 𝗮𝗻𝗱 𝗟𝗟𝗠 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 Large Language Models, LLM applications, LLM integration, Generative AI applications, AI-powered applications, AI-powered software, AI tools, AI assistants, AI agents, autonomous AI agents, conversational AI, enterprise AI, custom AI solutions, AI product development, AI software development, AI platform development. 𝗥𝗔𝗚 & 𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 Retrieval-Augmented Generation, RAG pipeline, RAG application, RAG chatbot, RAG system, enterprise RAG, knowledge base chatbot, AI knowledge base, AI document search, semantic search, AI-powered search, vector search, document intelligence, document processing, PDF AI, PDF chatbot, document AI, information extraction, data extraction, automated data extraction. 𝗔𝗜 𝗘-𝗰𝗼𝗺𝗺𝗲𝗿𝗰𝗲 & 𝗖𝗼𝗻𝘁𝗲𝗻𝘁 AI product search, AI shopping assistant, AI product recommendations, product description generation, product content generation, AI product images, AI image generation 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 Python backend, Python API development, Python web development, FastAPI backend, Django backend, REST API development, backend API integration, third-party API integration, SaaS backend development

"I don’t just write code; I build automated revenue engines." With over 10 years of experience in the Fintech and Blockchain space, I help traders and entrepreneurs automate their success. Whether you have a complex manual trading strategy or a vision for the next big Fintech app, I bridge the gap between financial theory and high-performance execution. # Custom Trading & Crypto Bots My specialty lies in transforming your specific strategy—whether it's based on technical indicators, price action, or sentiment analysis—into a 24/7 working bot. • Strategy to Bot: Send me a screenshot of your chart or a description of your strategy, and I will deliver a fully functional, backtested bot. • Arbitrage & High Frequency: Expertise in MEV, Cross-exchange arbitrage, and Grid trading. • AI Integration: Leveraging LLMs and predictive modeling to filter out market noise and improve win rates. # Proven Fintech Expertise I have developed several popular Fintech applications that are currently scaling in the market. Key projects include: • Robinhood-Style Trading Platforms: Real-time data streaming, instant order execution, and sleek UI. • Crypto Wallets (Phantom/MetaMask style): Multi-chain support (Solana, Ethereum), dApp browser integration, and high-level encryption. • Neobank & Digital Wallets: Peer-to-peer payments, automated savings, and multi-currency support (similar to Revolut). • Calcounti (Nutrition/Fintech Hybrid): Advanced AI integration for market-specific tracking and automated billing. Why Choose Me? • 10 Years in Fintech: I understand security, scalability, and compliance. • AI-First Approach: I use AI to make your apps smarter and your bots more accurate. • Result-Oriented: My goal is to help you generate consistent revenue through automation. Let’s turn your strategy into a live bot today. Click 'Invite to Job' to start the conversation.

Hello! I'm a Senior Software Engineer with 6+ years of experience building scalable and maintainable systems. I specialize in Back-End development, focusing on FastAPI, PostgreSQL, and microservice architecture with event-driven and asynchronous design patterns. Frameworks & Technologies: - Back-End: FastAPI, Flask, Django, NodeJS, ExpressJS - Front-End: ReactJS, VueJS - Databases: PostgreSQL, MongoDB, Redis - Tools: Docker, Linux, Git (GitHub/GitLab) Services I Offer: - Back-End Development - Deployment & Hosting (VPS, CI/CD) - Consulting & Mentoring Looking forward to working with you!

🏆 𝐏𝐫𝐞𝐬𝐬 𝐈𝐧𝐯𝐢𝐭𝐞 𝐁𝐮𝐭𝐭𝐨𝐧 𝐨𝐧 𝐦𝐲 𝐩𝐚𝐠𝐞 𝐚𝐧𝐝 𝐥𝐞𝐭'𝐬 𝐭𝐚𝐥𝐤 🥇 What's my benefit? - 5+ years of experience in web development. - successfully launched web applications, some of which received over $1 million in funding. - experience in creating software startups, especially when it involves complex user experiences. 🔥 15+ projects working in both scrum and kanban methodologies. In teams of 5-15 people I built and maintained web applications that are used by thousands of users a day from all over the world. Ensured the responsiveness, scalability, crossbrowser and cross-device compatibility. 🏆 Top Projects: - Frontend development for educational platform that hosts frontend and backend courses - React.js development for Fintech web application - renewable energy marketplace - Multisite platform front-end development for Bacardi 🏢 Domains: EdTech, Retail/Ecommerce, FinTech, Entartainment, Crypto, Bitcoin ⚒️ Tools: WebStorm, Visual Studio Code, Git, Github, Gitlab, npm, LESS, SaaS, Webpack, Yarn, Bower, Chrome DevTools, Jest, Swagger, Postman for API Integration 💯 Top skills: - Collaborating with other developers and stakeholders - Enjoying solving complex problems - I'm user-friendly interfaces addicted that meet the client's needs. - Solid foundation in data analysis and business logic. 👩‍💻 Technical skills: Robust skills in creating React + Node.js web applications. React.js development, CSS, JavaScript, CSS3, TypeScript, Next.js platform development, GraphQL, Node.js application development, Tailwind CSS My goal is to develop high-quality and innovative web development that make a positive impact. Do you want a web application for you business or update an existing one? ⚠️ 𝐏𝐫𝐞𝐬𝐬 𝐈𝐧𝐯𝐢𝐭𝐞 𝐁𝐮𝐭𝐭𝐨𝐧 𝐨𝐧 𝐦𝐲 𝐩𝐚𝐠𝐞 𝐚𝐧𝐝 𝐥𝐞𝐭'𝐬 𝐭𝐚𝐥𝐤 Keywords: CSS, HTML, WordPress, Web Development, HTML5, React, JavaScript, Next.js, Tailwind CSS, Redux, GraphQL, Shopify, Node.js, API Integration, REST API, ORM Tools, User Authentication, Web Design, Landing Page

Avaialble to work on any kind of project or engagment related to Python, AI/ML and Java. My Expertise- Backend - Python, Java/J2EE Frameworks in Backend - Django, Pandas, FastAPI, Springboot, JavaFX, Microservices. FrontEnd Frameworks - ReactJS, Redux, AngularJS, Angular (2-16), TypeScript, JavaScript. APIs and Integrations- JSON, xml-web-services, Rest/Soap, GPS, Paypal, Chat APIs, Google APIs Application Servers- Tomcat, JBoss, Glassfish, AWS EC2, AWS Lambda, Microsoft Azure, Google Cloud/GCP Database - Oracle, MySQL , PostgreSQL, MongoDB, NoSQL, couchDB CI/CD Tools: Jenkins, GitHub Actions, GitLab CI/CD, CircleCI. Infrastructure as Code: Terraform, CloudFormation, Ansible Containerization: Docker, Kubernetes Monitoring & Logging: Prometheus, Grafana, ELK Stack Tools : GitHub, BitBucket, SVN, Gitlab, JIRA, Postman, Slack, Trello, Asana for project management Payment gateway integration: (Paypal, Stripe, Authorize. net, Securepay, Sagepay) Fintech/Banking : - Mifos X, Mifos, Mifos wallet, Mifos Payment gateway. With nearly 10 years of experience, I specialize in working on existing and complex systems. worked on complex systems in Fintech, Banking, Insurance, Healthcare, Ecommerce, and Logistics — mostly on projects where the codebase already exists, requirements are evolving, and mistakes are costly.

✅ High-Quality Delivery | ✅ Long-Term Collaboration | ✅ 9500+ Hours Completed Hi, I’m a Full-Stack Developer focused on building scalable web applications, SaaS platforms, and AI-driven systems. I help turn ideas into production-ready products — combining strong engineering fundamentals with modern AI tools to deliver fast, reliable, and high-quality solutions. ⸻ 💻 Tech Expertise Frontend • React, Next.js, TypeScript • Redux, GraphQL • Tailwind, Bootstrap, Material UI Backend • Node.js, Nest.js, Express • REST APIs, WebSockets Databases • PostgreSQL, MongoDB, MySQL • Redis (caching, queues) • Firebase • Scalable data design and query optimization Cloud & DevOps • Azure (App Services, Azure SQL) • AWS (S3, EC2, DynamoDB) • Vercel, CI/CD (GitHub Actions) • Docker, deployment management Python & AI • Python (FastAPI, automation, scripting) • LLM integrations and AI agents • Prompt engineering and workflow automation • RAG pipelines, embeddings, vector databases Integrations • Payment systems, messaging services, maps APIs • AI-powered features and automation • Email services and notifications ⸻ ⚡ What I Do Best • Build full-stack SaaS applications • Develop AI-powered features and automation systems • Design scalable backend architectures • Implement real-time systems (chat, notifications, dashboards) • Optimize performance and database efficiency • Deploy and manage applications on cloud platforms • Integrate third-party APIs and services ⸻ 🌍 Industry Experience Finance • Healthcare • E-commerce • Logistics • Education • Public Safety • and more ⸻ 💡 Proof of Work • Built and deployed scalable applications handling real-time data and production workloads • Delivered end-to-end systems used in live business environments • Maintained long-term client relationships with consistent delivery ⸻ 💡 Why Work With Me • Clean, maintainable, production-grade code • Strong experience with AI-assisted development workflows • Fast execution without compromising quality • Clear communication and long-term reliability ⸻ If you’re looking for someone who can build, scale, and deploy modern applications, let’s connect.

I'm a software engineer who's been building web and mobile products since 2013, and I lead the team at NUS Technology. My background is hands-on engineering, not slideware. I came up building high-traffic Ruby on Rails systems and complex web applications, and I still stay close to the architecture, the hard technical calls, and the code that has to hold up in production. Over 12+ years I've grown that into a team that does it at scale: 90+ people co-located in one Ho Chi Minh City office, including 75+ engineers (60+ web, 15+ mobile) plus QA, BAs, PMs, and designers. So when you work with me, you get an engineer who understands your problem at the technical level, and a full team to deliver it. WHERE I GO DEEP - Ruby on Rails: high-traffic systems, complex domains, API design, and legacy codebases most people won't touch - Frontend: React, Next.js, Vue.js, TypeScript, building interfaces that stay fast and maintainable as they grow - Cloud & DevOps: AWS, Google Cloud, Heroku, Docker, CI/CD, monitoring, and tuning systems for cost and scale - eCommerce: Shopify, Saleor, Spree, custom headless builds, complex integrations, and migrations off legacy platforms like Magento WHAT MY TEAM COVERS Everything above, at scale, plus the full stack around it: - Backend beyond Rails: Node.js, PHP (Laravel, Symfony), Python (Django, Flask), REST and GraphQL APIs - Mobile: native (Swift, Kotlin) and cross-platform (React Native, Flutter), including the hard stuff like offline-first sync, BLE sensor processing, and frame-accurate video - QA, business analysis, project management, and UI/UX design THE PROBLEMS I LIKE SOLVING - Operations platforms: the central system that runs bookings, payments, teams, hardware, and compliance when off-the-shelf tools stop coping. Software modeled on how your business actually works, not the other way around. - Legacy rescue: inheriting a system nobody wants to touch and making it safe to change again, without a risky rewrite. We've taken an 11-year-old codebase from timeout-or-fail to 3-7 second responses. - Deep integrations: the ones Zapier can't handle and SaaS avoids. Payments, logistics, identity, hardware, compliance-grade audit trails where failure isn't an option. - Performance: finding the real bottleneck and fixing it. We've cut infrastructure costs 50% and pulled 95th-percentile response times down to 500ms on live products. PROOF - Top Rated Agency on Upwork, 98%+ Job Success Score since 2013, 4.8/5.0 average rating - $10M+ in project value delivered - Clients who've stayed 5-10+ years, some since 2014 HOW I WORK - I think like a technical co-founder, not a contractor. I'll tell you when something is a bad idea before you build it. - I surface technical debt and scaling bottlenecks before they escalate, not after. - Clear communication across time zones. We're GMT+7, with strong overlap for AU and workable hours for US/EU. - Long-term thinking. I build systems that scale, not quick hacks that break six months later. WAYS TO WORK WITH ME 1. Build a core operations platform: internal tools, SaaS, workflow automation, complex integrations, replacing a stack of fragmented tools with one system 2. A dedicated engineering team: backend, frontend, mobile, and QA as an extension of yours, often for years 3. Product and MVP builds: idea to launch, fast but not fragile If you want someone who understands the engineering, challenges your assumptions, and can put a real team behind it, let's talk.

✅Over 180 projects, 100% rating with $800K+ earned on Upwork I architect and develop enterprise-grade software applications, MVPs and AI-powered SaaS products across web and mobile. With 20+ years of full-stack development experience, I support global enterprises and startups in developing premium software solutions that are reliable and future-ready. My expertise covers system architecture, full-stack development, database design and API development. I design and deploy production-grade systems that combine modern software engineering with Generative AI, LLM and machine learning capabilities where they deliver measurable business impact. ✔️𝐂𝐨𝐫𝐞 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: • Architect and deliver custom MVPs for startups launching their first product versions. • Develop production-grade CRM platforms and internal business systems. • Design and build AI-native SaaS platforms, subscription-based products and intelligent business solutions. • Develop AI agents, agentic workflows and business process automation solutions. • Build RAG pipelines, knowledge systems and enterprise AI platforms powered by advanced prompt engineering. • Modernize and extend existing applications including legacy web and mobile codebases. • Design, deploy, and optimize cloud-native infrastructures that support long-term scale, security, and reliability. • Build API layers and service architectures for SaaS, multi-tenant and enterprise platforms. • Engineer new systems from scratch, establishing clean architectures for long-term scalability. ✔️𝐓𝐫𝐚𝐜𝐤 𝐑𝐞𝐜𝐨𝐫𝐝: • Developed 180+ custom software solutions, web applications and AI-powered products. • Implemented AI agents and LLM-powered workflows that reduced manual processes by up to 80%. • Delivered AI-powered business automation systems cutting operational costs by 40% • Maintained a 100% client success rating in collaborations with startups and enterprise teams. • Collaborated with 30+ enterprise clients on long-term projects of high complexity. • Supported multiple founders through MVP stages across 20+ industries. I support organizations throughout the software lifecycle, helping teams design, build, modernize, deploy and scale applications that remain reliable as business requirements evolve. I am experienced building and deploying APIs and AI agents while ensuring every system aligns with enterprise compliance standards. If you're planning to develop an AI-native product, modernize existing systems or deploy intelligent automation, I'd be happy to discuss your objectives and evaluate the most effective path forward. _____________________________________________________________________________ ✔️𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐲 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: E-Commerce & Retail | Healthcare | FinTech | EdTech | Logistics & Supply Chain | Mobility & Transport | Real Estate (PropTech) | LegalTech | Travel & Hospitality | Cybersecurity | AI/ML & Data Analytics ✔️𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 & 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Multi-Tenant SaaS | AI SaaS |Cross-Platform Mobile App | Booking & Scheduling Platform | AI Tool | Learning Management System (LMS) | Electronic Health Records (EHR) | Inventory Management System | ERP | CRM | Customer & User Portal | Marketplace Platform| Cloud-Native Application | MVP & Prototype | Workflow Automation System | API-Driven Backend | Admin & Analytics Dashboard ✔️𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 & 𝐂𝐨𝐦𝐩𝐥𝐢𝐚𝐧𝐜𝐞: HIPAA | GDPR | ISO 27001 | HL7 | FHIR | EHR/EMR | OAuth2 | JWT | MFA/2FA | RBAC | ABAC | API Security | Audit Logs | Multi-Tenant Isolation ✔️𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤: • Front-End Development: React, Next.js, TypeScript, JavaScript, Vue.js, Angular, HTML, Tailwind CSS • Back-End Development: Node.js (Express.js), Python, PHP (Laravel), NestJS • Mobile App Development: React Native (Expo), Flutter • Database Management: MySQL, PostgreSQL, MongoDB, Firebase, MSSQL Server, AWS RDS • API Integration: RESTful APIs, REST, SOAP, FastAPI, GraphQL, OpenAPI, WebSockets • Third-Party APIs: Social Media API, Payment Gateway, Twilio, SendGrid, Mailchimp, Whisper • AI/ML: LLMs, AI Agents, LangChain, OpenAI API, Claude, ChatGPT, CursorAI, Generative AI, GPT Integration • Cloud: AWS (EC2, S3, Lambda, CloudFront, SES, SQS, SNS, CloudTrail, ElastiCache, Elasticsearch) • DevOps: Docker, Kubernetes, GitHub Actions, Jenkins, CI/CD Pipelines, Containerization • Testing Tools: Jest, Mocha, Chai, Cypress, Selenium • Version Control: Git, GitHub

Most businesses don't need another dashboard; they need software that eliminates manual work, connects their systems, and helps their team move faster. That's what I build. I'm a Certified Retool Expert and Full-Stack Developer with 10+ years of software engineering experience, including 4+ years building production-grade Retool applications for startups, SaaS companies, agencies, and enterprise teams. I design and build complete business applications from the database and APIs to AI-powered workflows and intuitive user interfaces. What I Build: ✔ Internal business applications ✔ Customer portals ✔ Admin panels & CRMs ✔ Executive dashboards ✔ AI-powered business tools ✔ Workflow automation ✔ Billing & reporting platforms ✔ Inventory & operations management systems ✔ Data pipelines & analytics platforms What I Can Help You With Retool Development: • Multi-page applications • Custom Components • Modules • Permissions & Authentication • Workflows • Forms • Query Optimization • Staging → Production Deployments • Embedded Retool Applications Full-Stack Development • React • Node.js • Python • TypeScript • Lambda • REST APIs • GraphQL • PostgreSQL • MySQL • MongoDB • Firebase • Supabase AI & Automation • OpenAI & GPT integrations, OpenAI API • Claude, Claude Code, Claude API • AI Agents • RAG Applications • OCR & Document Processing • Workflow Automation • n8n • Zapier • Make com • Scheduled Jobs • Webhooks Data Engineering • BigQuery • Snowflake • Redshift • Athena • ClickHouse • ETL Pipelines • Data Warehousing • Analytics Dashboards • Performance Optimization Integrations: I regularly integrate business applications with: Stripe • Xero • QuickBooks • Shopify • HubSpot • Salesforce • Slack • Twilio • Google Workspace • AWS • Firebase • Supabase • Airtable • OpenSearch • Elasticsearch • Google Analytics • Mixpanel • PostHog • OAuth2 APIs • REST APIs • GraphQL APIs What Clients Value: I don't simply build what is requested. I take time to understand your business, identify bottlenecks, and recommend improvements that reduce manual work, improve data accuracy, and save your team hours every week. Clients work with me because I deliver: ✔ Clean, maintainable code ✔ Fast communication ✔ Scalable architecture ✔ Reliable long-term solutions ✔ Business-first thinking Whether you're building a new SaaS product, modernizing internal operations, integrating AI into your workflows, or scaling an existing Retool application, I can help you build a solution that's reliable, scalable, and easy to maintain. Send me a message with your project or idea, and I'll help you determine the best technical approach before you commit to hiring.

I help startups and businesses build AI Agents, LLM applications, intelligent automation, AI chatbots, RAG systems, and scalable SaaS products using Python, OpenAI, FastAPI, Django, Node.js, React, and Next.js. My focus is solving business problems with reliable, production-ready software that scales. With 7+ years of experience, I have delivered software across healthcare, SaaS, fintech, ERP, CRM, eCommerce, travel, and workflow automation. I can help with: • AI Agents & Multi-Agent Systems • OpenAI, GPT, RAG, LangChain & LlamaIndex • AI Chatbots & Business Automation • FastAPI & Django Development • REST APIs & Third-Party Integrations • Multi-Tenant SaaS Platforms • React & Next.js Applications • Stripe, Redis, Celery & Cloud Deployment In 7 years of production work: ➝ Architected an AI clinical documentation platform for dental practices with multi-tenant schema isolation per clinic, spaCy NLP for intelligent note generation from dictation, OTP-based login, password-protected PDF generation, and automated email delivery via SMTP. ➝ Built a natural language ordering engine with 93% entity extraction accuracy, a deterministic 5-step conversation state machine, real-time Korean NLP fuzzy matching with automatic typo correction, and dynamic product configuration loading of 500+ products from Excel at runtime via FastAPI. ➝ Developed a vacation rental compliance platform with automated document submission to the Spanish Ministry of Tourism, Stripe Connect subscription billing, Celery and Redis background automation, OCR document verification, and 5-tier role-based access control using Django 5.2. ➝ Engineered a digital game key marketplace with async FastAPI, SQLAlchemy 2.0, Redis session handling, Stripe webhook-driven order fulfillment, intelligent retry logic for license delivery, and APScheduler-based catalog synchronization with G2A. ➝ Delivered a complete travel booking ecosystem with live flight, hotel, and tour package API integrations, carbon emission calculators, real-time analytics dashboards, and graph-based data visualization. ➝ Built payroll and HR automation systems with attendance-driven salary calculations, automated PDF and PPT generation, GPS-based field team tracking, and scheduled employee notification workflows. My stack covers the full product: ➝ AI & LLM: OpenAI API · Anthropic Claude · Google Gemini · LangChain · LlamaIndex · RAG · AI Agents · Multi-Agent Systems · Agentic AI · Vector Databases · Prompt Engineering ➝ Automation: AI Workflow Automation · Business Process Automation · AI Chatbots · Voice AI · Webhook Automation · Document Processing ➝ Backend: Python · Node.js · Django · FastAPI · Flask · SQLAlchemy · REST API · WebSockets · JWT · OAuth 2.0 · Multi-Tenant Architecture · Docker · Nginx ➝ Frontend: React.js · Next.js · TypeScript · Redux · Tailwind CSS · Vite ➝ Mobile: React Native · Flutter ➝ Database & Cloud: PostgreSQL · MySQL · MongoDB · Redis · AWS · Cloudinary ➝ Payments & Integrations: Stripe · Razorpay · SendGrid · Webhook Systems · Government APIs · G2A API · Third-Party API Integrations Daily updates, clean, documented code, clear scope before start, production-ready delivery. No surprises, no disappearing mid-project. Send me your project details, and I will respond within a few hours. Thank you