┌─── SYSTEM STATUS: ONLINE ────────────────────────────────────────────────────────────────────────┐
│ LOCATION: Noida, India │ EXPERIENCE: 10+ Years │ FOCUS: Web Applications, Mobile Apps & LLM AI │
└──────────────────────────────────────────────────────────────────────────────────────────────────┘
10+ years of experience designing, architecting, and delivering enterprise-grade SaaS platforms, cloud solutions, and high-performance backend infrastructure.
Senior Full Stack Software Engineer with 10+ years of experience designing, developing, and delivering scalable enterprise-grade, SaaS, and cloud-enabled applications.
- 🛠️ Core Stack: PHP, Node.js, Express.js, React.js, React Native, JavaScript, MySQL, MongoDB, and AWS.
- 🏗️ Architectural Track Record: Architecting high-performance backend systems, RESTful APIs, mobile app analytics platforms, IoT telemetry solutions, enterprise push notification infrastructure, and business-critical applications.
- 🤖 AI-Assisted Software Development: Hands-on expertise in LLM prompt engineering, AI API integrations, and modern AI developer tools (Cursor, Claude Code, Google Antigravity, Gemini, ChatGPT) to accelerate software delivery, optimize code quality, and enhance engineering productivity.
- 🎯 Engineering Mission: Designing scalable architectures, optimizing system performance, and delivering secure, reliable, production-ready software.
┌─────────────────────────────────────────────────────────────────────────────────────────┐
│ 🚀 10+ Years Experience │ 🏢 50+ Enterprise Projects │ ⚡ 1M+ Concurrent Users ├─────────────────────────────────────────────────────────────────────────────────────────┤
│ 📡 100M+ Telemetry Events │ 🛡️ 99.9% System Uptime │ 🤖 AI-Powered Workflows └─────────────────────────────────────────────────────────────────────────────────────────┘
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AdTech • MarTech • Analytics • IoT Telemetry • Enterprise SaaS • Mobile Applications • E-commerce • AI Content Platforms
Enterprise Architecture & Technical Leadership
- 🏗️ Full-Stack & System Architecture: Architected, developed, and maintained scalable backend systems, RESTful APIs, MVC web applications, and responsive UIs using PHP, Node.js, Express.js, React.js, MongoDB, MySQL, and JavaScript.
- 🏢 End-to-End Enterprise Delivery: Led complete product engineering lifecycles including solution architecture, system design, cloud deployment, and high-availability operations.
- 📡 Notification Infrastructure: Engineered high-volume push notification infrastructure with advanced segmentation engines, secure authentication, audience targeting, scheduling, and campaign filtering.
- 📊 Analytics SDKs & Dashboards: Built React.js-based analytics SDKs and real-time interactive dashboards for mobile app attribution, campaign performance, and event tracking.
- 🔌 IoT Device Management & AWS Cloud: Architected IoT device management platforms supporting real-time telemetry processing, command ingestion, and AWS MQTT cloud connectivity.
- 🛡️ RBAC & Security: Designed multi-role administrative panels featuring granular Role-Based Access Control (RBAC) and security safeguards.
- ⚡ Performance Optimization: Improved application throughput via query optimization, database indexing, API caching, and server-side performance tuning.
- 👥 Technical Mentorship: Mentored engineering teams through architectural discussions, code reviews, and technical best practices.
Web Application & E-Commerce Engineering
- 💻 Web Engineering: Developed dynamic web applications and customized WordPress solutions using PHP, MySQL, JavaScript, jQuery, HTML5, and CSS3.
- 🛒 E-Commerce Platforms: Built product catalog management systems, order processing workflows, admin portals, and payment gateway integrations.
- 🔌 API Integration: Designed RESTful APIs for Android applications and third-party travel management systems (booking workflows, customer management, reporting).
- 🚀 SDLC & Support: Managed end-to-end SDLC phases, optimized database performance, resolved production issues, and delivered responsive user interfaces.
Personal Finance Mobile App Role: Founder & Full Stack Developer Tech Stack: React Native, PHP, SQLite, Google Drive API, Firebase, RESTful APIs Cross-platform personal finance mobile app featuring expense tracking, budgeting, contact ledger, visual analytics, automatic Google Drive cloud backup, and an offline-first architecture. | Cloud Storage Automation Role: Full Stack Developer Tech Stack: PHP, AWS S3, Linux, Cron Jobs, SQLite, RESTful APIs Web-based cloud backup management platform automating server, database, and file backups to AWS S3 with scheduled retention policies and multi-user administration. | LLM Content Platform Role: Founder & Full Stack Developer Tech Stack: PHP, JS, MySQL, REST APIs, AI Provider APIs, Prompt Engineering, LLM Integration Automated AI-powered content generation and blogging platform featuring LLM-assisted article creation, prompt management, automated SEO metadata, AI image workflows, and multi-channel publishing. |
| Project Name | Role | Stack | Highlights |
|---|---|---|---|
| App Attribution Tracking & Analytics | Full Stack Developer | PHP, JS, MySQL, HTML5, CSS3, Bootstrap, REST APIs | Web portal, analytics dashboard, reporting system, mobile campaign attribution. |
| High-Volume Push Notification Platform | Backend Developer | Node.js, Express.js, MongoDB, REST APIs | Scalable notification sender processing enterprise-scale campaigns efficiently. |
| IRCTC Notification Engine & Segmentation | Full Stack Developer | Node.js, PHP, MongoDB, MySQL, JS, REST APIs | Audience segmentation engine, campaign management system, notification sender. |
| IoT Device Tracking Platform | Full Stack Developer | React.js, Node.js, Express.js, MongoDB, REST APIs | Real-time IoT telemetry monitoring, RESTful APIs, and administrative dashboard. |
| Remote Device Control Platform | Backend Developer | PHP, MySQL, JS, HTML5, CSS3, Bootstrap, REST APIs | Secure backend services and multi-role administration panel for device control. |
| Web Analytics SDK | React.js Developer | React.js, JavaScript, HTML5, CSS3, REST APIs | Client-side event tracking SDK and real-time interaction dashboard. |
| Solar Inverter & Battery IoT Data Logger | Backend & IoT Developer | Node.js, MongoDB, AWS MQTT, REST APIs | Real-time IoT telemetry collection, data processing, and AWS MQTT cloud logging. |
| Healthcare E-commerce & Blog (Skinpal) | Full Stack Developer | PHP, MongoDB, JS, Bootstrap, jQuery, REST APIs | Healthcare store, blogging platform, RESTful APIs, and backend admin. |
| Travel Agency Management System | Full Stack Developer | PHP, MySQL, JS, jQuery, HTML5, CSS3, Bootstrap | Travel booking engine, customer management, booking workflows, and admin portal. |
| Qualification / Degree | Institution / Issuer | Year / Timeline | Focus & Credentials |
|---|---|---|---|
| 🎓 Master of Computer Applications (MCA) | Harcourt Butler Technological Institute (HBTI), Kanpur | 2012 – 2015 | Software Engineering & Computer Applications |
| 🎓 Bachelor of Computer Applications (BCA) | Institute of Informatics & Management Sciences, CCS Univ. | 2009 – 2012 | Computer Science & Programming Fundamentals |
| 📜 Meta Professional Specializations | Meta (Coursera) | Certified | React Basics, Advanced React & React Native |
| 📜 Modular Employable Skills Certification | Ministry of Labour & Employment, Govt of India | Certified | Technical Skills & Employability Recognition |
SYSTEM ARCHITECT // RAHUL SIWAL