10+ Years of Experience Building Scalable Distributed Systems, Mobile Apps & Intelligent Platforms
| Document / Link | Type | Action Links |
|---|---|---|
| 🌐 Live Portfolio Website | GitHub Pages |
🚀 Open Website |
| 📄 Sonu Kumar - Senior Software Developer Resume | PDF |
📥 Download PDF • 👁️ View on GitHub • 🌐 Raw Link |
| 📝 Printable Resume Source | HTML / CSS |
📝 View Source (resume.html) |
Passionate Senior Software Developer & Architect with 10+ years of professional experience delivering high-performance backend microservices, modern responsive web applications, native & cross-platform mobile apps, and cutting-edge GenAI/Agentic systems.
- ⚡ Backend & Distributed Systems: Java 21, Spring Boot, Node.js, Go, Rust, Kafka, RabbitMQ, Microservices, OCPP/OCPI Protocols.
- 📱 Mobile App Engineering: React Native, Flutter, Android Native (Java/Kotlin), iOS Native (Swift), Clean Architecture / MVVM / BLoC.
- 🌐 Modern Frontend: React 19, Next.js 15, TypeScript, Tailwind CSS, WebSockets, Server-Sent Events (SSE).
- ☁️ Cloud, DevOps & IaC: AWS (ECS Fargate, Lambda, EC2, S3, CloudFront), GCP, Docker, Kubernetes, Terraform, CI/CD.
- 🤖 AI / ML & Agentic Systems: LLMs (Gemini, OpenAI, Claude), Model Context Protocol (MCP), LangChain, RAG Pipelines, n8n Automation.
- 🎓 Academic Background: Executive PG in Data Science (IIIT Bangalore), MCA (NIET), BCA (IP College).
| Programming Languages | Java (8/17/21), Kotlin, Swift, TypeScript, JavaScript, Dart, Go (Golang), Rust, Python, SQL |
| Backend & Frameworks | Spring Boot 3, Hibernate/JPA, Node.js, Express.js, RESTful APIs, GraphQL, Kafka, RabbitMQ, OCPP 1.6/2.0.1 & OCPI |
| Frontend & Web | React.js, Next.js 15, Tailwind CSS, HTML5/CSS3, Redux Toolkit, Server Actions, SSE |
| Mobile Development | Flutter (Dart), React Native (TS), Android Native (SDK/Kotlin/Java), iOS Native (Swift/SwiftUI/UIKit), BLoC / GetX / Provider, MVVM / Clean Architecture |
| AI / ML & LLMs | Model Context Protocol (MCP), Google Gemini, OpenAI API, Claude, LangChain, RAG Pipelines, TensorFlow, PyTorch, Scikit-learn, Prompt Engineering |
| Cloud & DevOps | AWS (EC2, ECS Fargate, S3, Lambda, CloudFront, Route 53, VPC), GCP (Cloud Run, Vertex AI, Firestore), Docker, Kubernetes, Terraform, GitHub Actions, Jenkins, Cloudflare |
| Databases & Storage | PostgreSQL, MySQL, MongoDB, Redis, SQLite, Room, Firebase Firestore, AWS S3 |
| Tools & Environments | Android Studio, Xcode, VS Code, Git, Postman, Jira, Jupyter Notebook, n8n |
📅 May 2022 – Present
- TelioEV (EV Charging Platform): Redesigned and engineered the EV charging mobile app (React Native, TS) & Java Spring Boot backend integrating OCPP & OCPI protocols. Deployed scalable microservices on AWS (ECS Fargate, S3, VPC, Route 53, CloudFront) with automated CI/CD.
- ElectricOne (Smart EV Charging): Built high-performance EV charging app in Flutter & Dart implementing OCPP protocols, Firebase authentication, Firestore real-time data, and AWS S3 storage with Clean Architecture & BLoC.
- Hyqoo (Talent Marketplace): Developed cross-platform mobile marketplace app in Flutter & Dart with REST & GraphQL, Firebase real-time messaging, Provider/GetX state management, and S3 resume storage.
- Salon Management System: Architected end-to-end booking & salon management platform using Java Spring Boot microservices, Hibernate, PostgreSQL, Docker, and React.js frontend.
- Model Context Protocol (MCP) Server Infrastructure: Designed & deployed enterprise-grade MCP servers and multi-agent systems integrating OpenAI, Claude, and Google Cloud AI models with Terraform & Docker.
- n8n Agent Workflow Automation: Engineered custom n8n nodes, webhook listeners, and AI agent pipelines reducing manual business processes by 70%.
📅 Dec 2022 – Feb 2023
- Charge N'Go: Developed native iOS application using Swift, MapKit, and CoreLocation for real-time EV station mapping, routing, status updates, and secure in-app payments (Stripe/Razorpay).
📅 Feb 2020 – Apr 2022
- Engineered robust enterprise web backends using Node.js, React.js, and MongoDB.
- Built cross-platform mobile applications in Flutter & native Android.
- Key delivered client projects: Fuggu, RAL, DynDish, Payday, i12G, HOOT, CoachedIn, A2A, Clout, EmojiZone.
📅 Aug 2019 – Jan 2020
- Built scalable e-commerce and on-demand service mobile apps using Java, Kotlin, Android SDK, and MVVM (LiveData, ViewModel, Room).
- Integrated Google Maps API live location tracking, payment gateways (Razorpay, Paytm), Firebase Push Notifications & Crashlytics.
- Key projects: StyleOAK (E-Commerce), Doctor On Demand (Telehealth/Consultations), Quick Serve (On-Demand Car Wash).
📅 May 2016 – Jul 2019
- Developed intelligent transportation and highway management applications.
- Integrated AI voice assistants using API.ai and IBM Watson for safe, hands-free highway travel.
- Key projects: Highway Saathi, Metro Parking, OBU AVS Alexa.
📅 May 2015 – May 2016
- Developed native Android e-commerce and sports event management applications using Android SDK.
| Project | Role / Category | Tech Stack | Highlights & Links |
|---|---|---|---|
| TelioEV | EV Charging Platform | React Native, TypeScript, Spring Boot, OCPP, AWS | Scalable EV charging platform with dynamic tariffs, charger discovery & hardware communication. • Live Site |
| Charge N'Go (iOS) | Native iOS EV App | Swift, MapKit, Firebase, Stripe/Razorpay | Real-time charger availability, live turn-by-turn navigation, and in-app checkout. • App Store |
| Highway Saathi | Highway Travel & Safety | Android (Java), Google Maps, IBM Watson, Retrofit | Safe highway mobility app featuring toll tag recharge, emergency SOS & voice commands. • Play Store |
| DocSetuAI | Autonomous AI Operations | Next.js 15, Gemini 3.6, Cloud Run, Firestore | Autonomous AI business intelligence & operations platform with real-time analytics. • Live Demo • GitHub |
| RAG-LLM-golang-project | AI & Data Engineering | Go (Golang), pgvector, Embeddings, LLM | High-throughput Vector RAG Pipeline with semantic search and low-latency embeddings retrieval. • GitHub |
| enterprise-java21-developer-kit | Enterprise Backend Kit | Java 21, Spring Boot 3, Docker, Microservices | Production-ready boilerplate for scalable cloud-native microservices and domain-driven design. • GitHub |
| Agent-Skills-for-Context-Engineering | Agentic AI & Tooling | Python, TypeScript, Multi-Agent Orchestration | Standardized agentic skills, contextual reasoning workflows, and prompt engineering protocols. • GitHub |
| AuthSetu SDKs (Node & Python) | Developer SDKs | Node.js, TypeScript, Python 3, PyPI | Official client SDKs for AuthSetu identity, session handling, and access management. • Node SDK • Python SDK |
- 🎓 Executive PG in Data Science — International Institute of Information Technology, Bangalore (IIIT-B)
(2022 – 2024) - 🎓 Master of Computer Applications (MCA) — Noida Institute of Engineering & Technology (NIET)
(2013 – 2015) - 🎓 Bachelor of Computer Applications (BCA) — IP College, Bulandshahar
(2010 – 2013)
- 🚀 50+ Apps Published: Deployed and maintained 50+ commercial mobile & web applications across Google Play Store, Apple App Store, and Cloud platforms.
- 💡 HackforIndia (Mobile10X / Paytm): Developed an innovative AI-assisted barcode food scanner for real-time consumer product safety.
- ⚡ Monolith-to-Microservices Modernization: Led multiple legacy architectural migrations to cloud-native microservices, slashing latency by 60% and cloud infrastructure costs by 30%.
- 🤖 Agentic & GenAI Innovation: Built enterprise Model Context Protocol (MCP) servers and integrated LLMs across automated business workflows.
| Channel | Contact Details |
|---|---|
| skbhati2015@gmail.com • sonurust@gmail.com | |
| 📱 Phone / WhatsApp | (+91) 9810659036 • (+91) 9910525949 |
| 🌐 Portfolio & Live App | https://docsetuai.vercel.app |
| 🐙 GitHub | @skbhati199 • @sonurust |
| 🧠 CodeCrafters | app.codecrafters.io/users/skbhati199 |
| 📍 Location | Noida, Uttar Pradesh, India |
Designed & Maintained with ❤️ by Sonu Kumar