📍 India | ✉️ dpanchal.fullstack@gmail.com
I'm a hands-on architect and product strategist passionate about building intelligent, scalable, and modular systems.
With deep expertise across Spring Boot, Node.js, and AI-based architectures, I bridge the gap between product vision and engineering execution.
I love designing systems that are:
- ⚙️ Robust and maintainable — crafted with clean architecture
- 🤝 Composable and scalable — designed for distributed teams and services
- 🧩 Smart and adaptive — powered by automation, ML, and modern DevOps
- 🔭 12+ year of experience working with all sort of clients & technologies.
- 🔭 I’m currently working on enhancing my skills in Kubernetes and server management.
- 🌱 I’m currently learning more about cloud-native architectures and microservices.
- 💬 Ask me about software architecture, CI/CD pipelines, or anything related to Node.js and React.
- 📫 How to reach me: dpanchal.fullstack@gmail.com
| Domain | Tools & Technologies |
|---|---|
| Backend | Spring Boot 3.x, Java, Node.js, REST APIs, Reactive Systems |
| Authentication & Security | OAuth2, JWT, JPA Token Stores, Spring Security |
| AI / ML | OpenCV, YOLOv5, Flask, SmolVLM, LangChain, RAG Architectures |
| Workflow Automation | Camunda 7, Flowable BPMN |
| Data & Storage | PostgreSQL, Solr, Vector Databases (FAISS, Qdrant, Milvus) |
| Frontend / Mobile | React Native, Ionic |
| DevOps / Cloud | AWS (IAM, EC2, Billing, Role-based Access), Docker, Reverse Proxies |
| Automation / Scripting | Puppeteer, Node.js, API Testing (Postman) |
YOLOv5, OpenCV, Flask, SmolVLM
Built a real-time AI system for vehicle plate recognition, violence detection, and threat analysis.
Integrated vision-language models (VLM) for contextual live video understanding.
Node.js, PostgreSQL, Vector DB, ChatGPT API
Developed a Retrieval-Augmented Generation (RAG) API that provides personalized study responses from PDFs and markdown notes.
Structured as API-first, tested via Postman, ready for mobile app integration.
Designed a production-ready OAuth2 JPA-based authorization server with support for:
- Client registration
- Token & refresh token lifecycle management
- User approval flows
- Role-based authorities
Integrated Camunda/Flowable BPMN for email notification tracking and inter-service event flow (e.g., payment triggers).
Built prototypes for:
- A loan distribution app for the Indian market
- A cross-platform social posting system with long-lived OAuth tokens for Facebook, X, and LinkedIn
- 🏗️ Designed microservice blueprints with secure inter-service authority sharing (non-HTTP access).
- 🔒 Centralized CORS and gateway security using Spring Cloud Gateway.
- 🧰 Implemented AWS IAM role-based access model: Root, Developer, Management, and Support roles.
- 🚀 Built reverse proxies for Solr and internal APIs to improve reliability and access control.
“Build systems that are simple at the surface, powerful at the core, and scalable for the future.”
- 🧩 Architecture First → clarity before code
- ⚡ Automate Everything → efficiency through scripting and workflows
- 🤖 AI by Design → integrate intelligence at every level of the stack
- 🧠 Learn Relentlessly → always exploring emerging tech like LLMs, Rust, and privacy-first AI
- 🦀 Learning Rust for system-level performance and AI inference
- 🧠 Exploring local LLMs (Ollama) and open-weight VLMs (SmolVLM, Mistral, Phi-3)
- 🔍 Building privacy-preserving, explainable AI architectures
- 🔔 Workflow-based automation using Camunda or Flowable embedded in Spring Boot