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Welcome! 👋 𝗛𝗶𝗴𝗵-𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗯𝗮𝗰𝗸𝗲𝗻𝗱𝘀 𝗮𝗿𝗲𝗻'𝘁 𝗷𝘂𝘀𝘁 𝗯𝘂𝗶𝗹𝘁; 𝘁𝗵𝗲𝘆 𝗮𝗿𝗲 𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗲𝗱 𝗳𝗼𝗿 𝗿𝗲𝗹𝗶𝗮𝗯𝗶𝗹𝗶𝘁𝘆 𝗮𝗻𝗱 𝘀𝗽𝗲𝗲𝗱. With 3+ years of experience, I specialize in building scalable, secure, and data-driven backend systems. My expertise bridges the gap between 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗮𝗹 𝗜𝗼𝗧 (𝗠𝗼𝗱𝗯𝘂𝘀/𝗠𝗤𝗧𝗧/𝗦𝗡𝗠𝗣) and modern cloud architectures. Whether you need a real-time energy monitoring system or a secure API for a fast-growing startup, I deliver clean, production-ready code. 🚀 𝗧𝗵𝗲 𝗔𝗜-𝗘𝗻𝗵𝗮𝗻𝗰𝗲𝗱 𝗔𝗱𝘃𝗮𝗻𝘁𝗮𝗴𝗲 I leverage a modern, 𝗔𝗜-𝗽𝗼𝘄𝗲𝗿𝗲𝗱 𝘄𝗼𝗿𝗸𝗳𝗹𝗼𝘄 (𝗖𝗹𝗮𝘂𝗱𝗲, 𝗚𝗶𝘁𝗛𝘂𝗯 𝗖𝗼𝗽𝗶𝗹𝗼𝘁, 𝗔𝗻𝘁𝗶𝗴𝗿𝗮𝘃𝗶𝘁𝘆) to provide superior value to my clients: • 𝗙𝗮𝘀𝘁𝗲𝗿 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝘆: I can prototype and ship complex features 2x faster than traditional manual coding. • 𝗥𝗼𝗯𝘂𝘀𝘁 𝗤𝘂𝗮𝗹𝗶𝘁𝘆: Using AI for deep-dive debugging, automated unit testing, and code refactoring ensures fewer bugs and higher security. • 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗲𝗱 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲: I use AI as a high-level pair programmer to double-check performance bottlenecks and ensure industry-standard design patterns. 🛠 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 • 𝗛𝗶𝗴𝗵-𝗖𝗼𝗻𝗰𝘂𝗿𝗿𝗲𝗻𝗰𝘆 & 𝗦𝗽𝗲𝗲𝗱: Expert in building ultra-low latency APIs using 𝗧𝘆𝗽𝗲𝘀𝗰𝗿𝗶𝗽𝘁 (𝗙𝗮𝘀𝘁𝗶𝗳𝘆, 𝗘𝘅𝗽𝗿𝗲𝘀𝘀), 𝗣𝘆𝘁𝗵𝗼𝗻 (𝗙𝗮𝘀𝘁𝗔𝗣𝗜, 𝗙𝗹𝗮𝘀𝗸), and 𝗚𝗼𝗹𝗮𝗻𝗴 for high-performance microservices. • 𝗜𝗼𝗧 & 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗮𝗹 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: Strong background in 𝗠𝗤𝗧𝗧, 𝗠𝗼𝗱𝗯𝘂𝘀, 𝗮𝗻𝗱 𝗦𝗡𝗠𝗣. I’ve successfully built data-logging systems for solar panels and battery monitoring on 𝗥𝗮𝘀𝗽𝗯𝗲𝗿𝗿𝘆 𝗣𝗶 (𝗟𝗶𝗻𝘂𝘅) environments. • 𝗠𝗼𝗱𝗲𝗿𝗻 𝗔𝘂𝘁𝗵 & 𝗖𝗹𝗼𝘂𝗱: Proficient in 𝗦𝘂𝗽𝗮𝗯𝗮𝘀𝗲 (Auth & Storage) and custom 𝗝𝗪𝗧/𝗥𝗕𝗔𝗖 implementations to ensure your data is secure and access is granular. • 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗗𝗮𝘁𝗮 𝗣𝗶𝗽𝗲𝗹𝗶𝗻𝗲𝘀: Experience with 𝗥𝗮𝗯𝗯𝗶𝘁𝗠𝗤 + 𝗥𝗲𝗱𝗶𝘀 + 𝗣𝗼𝘀𝘁𝗴𝗿𝗲𝗦𝗤𝗟 for processing large-scale, real-time data streams and batch processing. • 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 & 𝗗𝗲𝘃𝗢𝗽𝘀: Hands-on experience with 𝗗𝗼𝗰𝗸𝗲𝗿, 𝗣𝗠𝟮, and 𝗦𝘆𝘀𝘁𝗲𝗺𝗱 to ensure 𝟵𝟵.𝟵% 𝘂𝗽𝘁𝗶𝗺𝗲 in production environments. 💼 𝗦𝗲𝗿𝘃𝗶𝗰𝗲 𝗕𝗿𝗲𝗮𝗸𝗱𝗼𝘄𝗻 • 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Node.js (Fastify, Express, Typescript), Python (FastAPI), Golang • 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React, NextJS • 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 & 𝗖𝗹𝗼𝘂𝗱: Supabase (Auth/Storage), PostgreSQL, MySQL, MongoDB, Redis • 𝗜𝗼𝗧 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: MQTT, Modbus, SNMP, Data Ingestion, Raspberry Pi, Zabbix • 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲: RabbitMQ, Real-time Data Pipelines, API Optimization • 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲: Docker, Linux Admin, Systemd, PM2, Shell Scripting "𝙄 𝙙𝙤𝙣'𝙩 𝙟𝙪𝙨𝙩 𝙬𝙧𝙞𝙩𝙚 𝙘𝙤𝙙𝙚; 𝙄 𝙗𝙪𝙞𝙡𝙙 𝙧𝙚𝙡𝙞𝙖𝙗𝙡𝙚 𝙨𝙮𝙨𝙩𝙚𝙢𝙨 𝙩𝙝𝙖𝙩 𝙚𝙢𝙥𝙤𝙬𝙚𝙧 𝙗𝙪𝙨𝙞𝙣𝙚𝙨𝙨𝙚𝙨 𝙩𝙤 𝙨𝙘𝙖𝙡𝙚. 𝙇𝙚𝙩’𝙨 𝙘𝙤𝙡𝙡𝙖𝙗𝙤𝙧𝙖𝙩𝙚 𝙖𝙣𝙙 𝙗𝙧𝙞𝙣𝙜 𝙮𝙤𝙪𝙧 𝙫𝙞𝙨𝙞𝙤𝙣 𝙩𝙤 𝙡𝙞𝙛𝙚 𝙬𝙞𝙩𝙝 𝙨𝙥𝙚𝙚𝙙 𝙖𝙣𝙙 𝙥𝙧𝙚𝙘𝙞𝙨𝙞𝙤𝙣." 🔑 Keywords: Backend Developer, RESTful API, Node.js, TypeScript, NestJS, Express.js, Python, Flask, FastAPI, Golang, Supabase, PostgreSQL, MySQL, MongoDB, Redis, RabbitMQ, MQTT, Docker, PM2, Systemd, IoT, Data Ingestion, RBAC, JWT, Scalable Systems.

Are you seeking a high-agency, senior software architect to bridge traditional enterprise backends, high-throughput IoT telemetries, and cutting-edge AI-driven agent workflows? With over 20 years of software engineering experience and dual credentials as a Google Cloud Professional Cloud Architect and Professional Data Engineer, I design, build, and orchestrate robust, production-ready systems that are resilient, automated, and highly secure. From developing custom Model Context Protocol (MCP) servers to deploying isolated, ephemeral Docker sandboxes on Azure, I help mid-market to enterprise companies automate manual workflows, slash cloud costs, and build custom AI-powered applications that drive massive business value. 🌟 CORE COMPETENCIES & SERVICES 1. Autonomous AI Agents & Custom MCP Integrations • Bespoke MCP Servers: Built Node.js MCP servers enabling LLMs to run natural-language queries and secure updates directly over clinical databases. • AI Agent Sandboxing: Launched Azure platforms orchestrating isolated, ephemeral Docker sandboxes running Claude Code and Cline to process tasks via MS Teams. • Long-Term Memory: Bridged sandboxes to Segnog memory (FalkorDB graph and local Gemma embeddings) via SSE proxies, reducing latency to under 0.3 seconds. 2. Multi-Cloud Architecture, DevOps & IaC • Multi-Cloud: Deep expertise in AWS, GCP, and Azure, optimizing resources and enforcing compliance. • IaC: 100% automated provisioning and drift management using Terraform and AWS CDK for reproducible environments. • Container & CI/CD: Deployments using Kubernetes (GKE), Istio, and pipelines (GitHub Actions, CircleCI, GitLab, Bitbucket). 3. High-Throughput Backends & IoT Telemetry • IoT Backend Scale: Engineered medical IoT backends processing 1,000+ sensor records per second into AWS Timestream with real-time analytics. • Microservices Design: Building robust, highly concurrent microservices in Golang and Python (Django, FastAPI), communicating via Kafka, RabbitMQ, or NATS. • Databases & Search: Advanced query optimization and spatial architecture using PostgreSQL (with PostGIS), Cloud SQL, ElasticSearch, and Firestore. 💼 FEATURED CLIENT SUCCESS STORIES 🚀 Serverless Medical SaaS & Teams-Integrated AI Agents • Architected serverless diagnostics billing, clinical faxing, and agreement SaaS. Built TypeScript MCP servers for secure clinical queries and NanoClaw/OpenClaw AI agent sandboxes on Azure running Claude Code to process complex coding tasks. 🚀 Django Backend & Spatial Infrastructure • Engineered a Django backend deployed on GCP Cloud Run. Implemented robust credential mounting using Google Cloud Secret Manager. Developed a custom Gmail OAuth2 authentication system for verified enterprise delivery, and built a high-availability infrastructure utilizing PostGIS, Cloud Tasks, and Cloud Scheduler. 🚀 GKE Microservices for Enterprise Loyalty • Developed scalable microservices for a high-volume loyalty system using Golang and Python, deployed on GKE (Google Kubernetes Engine) with CI/CD fully automated via Bitbucket Pipelines. 🛠️ MY TECHNICAL TOOLBOX • Languages: Golang, Python, TypeScript, JavaScript, Java, C++, C#, Swift, SQL • Clouds: AWS (EC2, Lambda, Timestream), GCP (Cloud Run, GKE, GCE), Azure, Cloudflare • DevOps: Terraform, AWS CDK, Docker, Kubernetes (GKE), GitHub Actions, CircleCI, GitLab, Bitbucket Pipelines, Jenkins • Databases & Queues: PostgreSQL (PostGIS), AWS Timestream, FalkorDB, ElasticSearch, SQLite, Cloud SQL, Firestore, Kafka, NATS, Pub/Sub • AI & LLMs: Model Context Protocol (MCP), Claude Code, OpenAI and Gemini APIs, local LLMs (Llama 2, Mistral), PyTorch • Frameworks: Django, Spring Boot, React, Next.js, Stripe, ExpressJS, NestJS, GraphQL, Web Speech API 🏆 EDUCATION & ACTIVE CERTIFICATIONS • Google Cloud Professional Cloud Architect (Active) • Google Cloud Professional Data Engineer (Active) • Proctored Upwork Skill Certification in Python Development (Top Tier) • M.S. in Electronic Engineering (Game Technology) – Institut Teknologi Bandung (ITB) • B.E. in Informatics Engineering (Distributed Systems) – Institut Teknologi Bandung (ITB) • HackerRank Certified SQL Advanced • Oracle Certified Associate (Java SE 5/SE 6) 🤝 WHY COLLABORATE WITH ME? • High-Agency: I take full ownership of your architecture, security, and cloud cost optimization. • AI Native: Proven experience building real-world MCP servers and secure, containerized AI agent sandboxes. • Security First: Leveraging Secret Managers, secure VPNs, and strict IAM to safeguard user and enterprise data. • Clean Code: Domain-driven design with robust test coverage (90%+ target). Let's discuss how we can scale your infrastructure, reduce your cloud spend, or build your next custom AI workflow. Click "Invite" or "Send Message" to schedule a brief discovery call.

🔍 4+ years in software development using Python, I specialize in web development, RESTful API creation, data engineering, process automation, and data scraping. I'm driven by a passion in solving problems, delivering results, and consistently exceeding client expectations. 🔍 Why consider me? ✔ Robust Web Development: Experienced in developing SEO-optimized websites using Django and Flask, achieving over 5k unique monthly visitors and 100k pages indexed on Google and major search engines. ✔Backend Engineering: Proficient in backend development, including RESTful API endpoint creation using FastAPI. Expertise in data extraction automation, process automation, and integration with external APIs like ChatGPT and Google APIs. ✔Data Engineering: Highly skilled in data extraction and mining, having automated complex data engineering processes with custom scripts and bots. ✔Cloud Server Configuration and Deployment: Extensive experience in containerizing Python applications using Docker and deploying them to both on-premise environments and virtual private servers. ✔Production Maintenance and Support: Proficient in maintaining production servers, monitoring applications, and managing scheduled jobs to ensure uptime and service availability. ✔ Root Cause Analysis and Bug Fixing: Adept at isolating root causes through log analysis, troubleshooting, creating workarounds, and delivering permanent solutions within agreed timelines. ✔Communication and Collaboration: Effective communicator, capable of translating complex technical jargon into clear, understandable language, and providing timely responses. 🖥️ Technical Skills: ✔️ Programming and Scripting: Python, PHP, AHK, Bash ✔️ Libraries: FastAPI, Flask, Django, Pandas, NumPy, AsyncIO, Selenium, BeautifulSoup, Requests ✔️ Data Parsing: HTML, JSON, CSV, Txt ✔️ Data Storage: CSV, MS Excel, Google Sheets, SQLite ✔️ Databases: MySQL, SQLite, PostgreSQL, MS-SQL ✔️ Environment: Windows, Linux, Docker Container ✔️ Platform: Docker, Windows, Linux, Cloud (GCP, AWS), Virtual Private Server 🚀 What you can expect: Results that address your challenges and help you achieve your business objectives. 🚀 Next step: Let's connect to discuss your project and explore how I can contribute to your success.

Hi, I’m Nathan, a Software Engineer with 4+ years of experience building scalable web applications, business systems, and AI powered solutions. I specialize in full stack development using Next.js, React, FastAPI, Node.js, and Laravel, with strong experience in designing reliable backend services, modern frontend applications, and production ready architectures. Over the years, I’ve worked on projects involving: • AI Agents & AI Automation • OpenAI & Gemini Integration • RAG (Retrieval-Augmented Generation) Systems • REST API Development • CRM & Internal Business Systems • SaaS Applications • PostgreSQL & Database Design • Docker & Cloud Deployment • Workflow Automation I focus on writing clean, maintainable, and scalable code while ensuring clear communication and reliable delivery throughout the project lifecycle. What I can help you with: • Full Stack Web Development • AI Integration & AI Agents • Next.js & React Applications • FastAPI, Node JS and Laravel Backend Development • REST API Development • SaaS Product Development • Database Design & Optimization • Workflow Automation • Docker Deployment & Infrastructure • Long term Product Development I’m open to long term collaboration and helping businesses build high quality software products from idea to production.

I'm a full time freelancer and I specialize in automation development (& general backend dev) with Python, NodeJS and occasional Shell Scripting. I also do front-end web development - you can checkout my other Specialized profile for this. I have good experience in building backend systems, fully automated workflows, etc. - local & distributed/on-the-cloud with AWS/GCP/Azure. Total Dev Experience: 14+ years Experience & Tech Stack - Backend: - Python, Node.js, Elixir, Bash Script .. some Java, PHP & PERL - REST API Development (Express.js, Flask, Django), optionally with GraphQL - Middlewares: RabbitMQ, Redis - Cloud Integrations/Deployments with AWS & GCP - Serverless Functions: AWS Lambda, Google Cloud Functions, Netlify Functions - Databases: MySQL, PostgreSQL, MongoDB, DynamoDB (with or without ORMs) - 3rd Party API Integration (Google API, Facebook API, Twilio API, etc.) - Docker Frontend: - Vue.js (Nuxt, Quasar, Gridsome) - Webpack, Sass/Scss/Less, ES6 Javascript - Serverless/JAM Stack development & end-to-end setup Automation Scripting: - PDF Parsing with PDFMiner, Tabula - Web Scraping with plain HTTP requests, Selenium, Puppeteer/Headless Chrome - High concurrency distributed automation system development with Celery, RabbitMQ & Redis .. optionally deployed with Docker - eMail/SMS/Twilio/Telegram Notifications & Integration (read/send) - Image OCR with Tesseract - Auto-Betting Workflows - Auto-Purchasing Workflows, etc. - Quick one-off shell scripts I always start with proper tasks & estimates and will be consistent with regular updates. This way there will be no surprises in cost/time and you'll be up-to-date with the progress without you having to chase around the freelancer. When delivering my code, I’ll make sure that it is well designed, professionally written to the highest quality & efficiency with solid, re-usable, following OOPS concepts, proper commenting & documenting. Future developers (if any are hired after me for maintenance/updates) can go through the code and update/refactor with ease - I know how it feels as a developer to read bad code and attempt to do anything on top of it. I also share screencasts to show the setup & execution of the code or a README file. I apply only to jobs which relies on my skill set and which I consider I can finish no matter what - implying I already have a high level mental plan on approaching/solving the problem described there. The rest I mostly leave it to the regular invites. So yeah, send me an invite to your job, we can discuss and take it forward from there. Availability and communication will never be a problem as I'm always almost available for a quick chat/call. You'll know my quality when you work with me. Looking forward to many great work experiences.

👋 About Me I'm a passionate fullstack and mobile developer with 12 years of experience transforming ideas into powerful digital solutions. From startups to enterprise clients, I've helped businesses across the globe build web applications, mobile apps, and e-commerce platforms that drive real results. What sets me apart? I don't just write code, but I solve business problems. I combine technical expertise with strategic thinking to deliver solutions that are not only functional but also scalable, user-friendly, and profitable. 💻 My Technical Arsenal Frontend Development ✅ Languages: JavaScript (ES6+), TypeScript, HTML5, CSS3, SASS/SCSS ✅ Frameworks & Libraries: React.js, Next.js, Vue.js, Angular, jQuery ✅ Mobile: React Native, Flutter ✅ UI Libraries: Material-UI, Ant Design, Bootstrap, Tailwind CSS ✅ State Management: Redux, Context API, Vuex, NgRx Backend Development ✅ Languages: Node.js, Python, PHP, Java, C# ✅ Frameworks: Express.js, Django, Flask, Laravel, Spring Boot, .NET ✅ APIs: REST, GraphQL, WebSocket, gRPC ✅ Authentication: JWT, OAuth, Passport.js, Firebase Auth ✅ Real-time: Socket.io, WebRTC Database & Storage ✅ SQL: PostgreSQL, MySQL, SQLite, SQL Server ✅ NoSQL: MongoDB, Redis, DynamoDB, Firestore ✅ Cloud Storage: AWS S3, Google Cloud Storage, Azure Blob ✅ Database Design: Schema optimization, indexing, query optimization E-commerce & CMS ✅ Shopify: Theme development, App development, Shopify Plus ✅ WordPress: Custom themes, plugins, WooCommerce ✅ Other Platforms: Magento, PrestaShop, Drupal 🎯 My Specializations 🛒 Shopify Expert Certified Shopify Partner specializing in: ⬩ Custom theme development from scratch ⬩ Shopify app development (public & private) ⬩ Store optimization for higher conversions ⬩ Shopify Plus enterprise solutions ⬩ Third-party integrations and API development ⬩ Performance optimization and SEO 📱 Mobile App Development ⬩ Native and cross-platform mobile solutions: ⬩ iOS and Android native development ⬩ React Native cross-platform apps ⬩ Flutter mobile applications ⬩ Progressive Web Apps (PWAs) ⬩ App store optimization and deployment ⬩ Push notifications and real-time features 🌐 Web Application Development ⬩ Full-scale web applications and platforms: ⬩ Single Page Applications (SPAs) ⬩ Server-side rendering with Next.js ⬩ Real-time applications with WebSocket ⬩ API-first architecture ⬩ Microservices development ⬩ Enterprise-grade solutions ⚡ Performance Optimization Making your applications lightning-fast: ⬩ Core Web Vitals optimization ⬩ Database query optimization ⬩ Caching strategies implementation ⬩ CDN setup and optimization ⬩ Mobile performance tuning ⬩ SEO technical improvements