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Available for Senior Engineering & Architect Roles

Hi, I'm Sonu Kumar 👋

Senior Software Developer • Full-Stack & Cloud AI Architect

Over 10+ years of engineering leadership across high-throughput distributed microservices, native iOS & Android apps, cross-platform Flutter/React Native, and autonomous GenAI & Model Context Protocol (MCP) systems.

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Sonu Kumar Avatar
⚡
10+ Years Exp
Full Stack & Mobile
🚀
50+ Apps Shipped
Store & Cloud Ready
10+
Years of Experience
50+
Applications Shipped
60%
Latency Reduction on Microservices
99.9%
Uptime Guarantees
About Me

Architecting Robust Systems with Precision

A track record of translating complex product requirements into resilient microservices, sleek mobile experiences, and autonomous AI systems.

Distributed Backend & Microservices

Expert in Java (Spring Boot), Node.js, Go, and Rust. Specialized in event-driven architectures with Kafka & RabbitMQ, REST/GraphQL APIs, and IoT standards including OCPP & OCPI EV protocols.

Native & Cross-Platform Mobile

10+ years across native Android (Java/Kotlin, Jetpack, MVVM), native iOS (Swift, MapKit), Flutter (BLoC/GetX), and React Native, delivering 50+ polished apps on Play Store and App Store.

AI / LLMs & Agentic Systems

Building Model Context Protocol (MCP) server backends, Vector RAG pipelines, LangChain integrations, autonomous n8n workflows, and multi-agent systems using Gemini, Claude, and OpenAI.

Cloud, DevOps & Infrastructure as Code

Architecting secure, containerized architectures on AWS (ECS Fargate, Lambda, S3, CloudFront) and GCP (Cloud Run, Vertex AI) using Terraform, Docker, Kubernetes, and automated CI/CD.

Technical Arsenal

Skills & Technologies

Extensive toolkit refined over a decade of hands-on production engineering.

Programming Languages
Java 21 / 17 / 8 Kotlin Swift TypeScript JavaScript Dart Go (Golang) Rust Python SQL
Backend & Microservices
Spring Boot 3 Hibernate / JPA Node.js Express.js Kafka RabbitMQ GraphQL RESTful APIs OCPP 1.6 / 2.0.1 OCPI Protocol
Mobile App Engineering
Flutter (Dart) React Native Android SDK iOS SDK (Swift) BLoC / GetX / Provider MVVM & Clean Architecture MapKit & Google Maps
Frontend & Web
React 19 Next.js 15 Tailwind CSS HTML5 / CSS3 Server Actions SSE & WebSockets
AI / ML & GenAI
Model Context Protocol (MCP) Google Gemini OpenAI API Claude AI Vector RAG Pipelines LangChain n8n Agent Workflows TensorFlow & PyTorch
Cloud, DevOps & Databases
AWS (ECS, Lambda, S3, CloudFront) Google Cloud (Cloud Run, Vertex AI) Docker Kubernetes Terraform PostgreSQL MongoDB Redis Firebase Firestore
Career History

Professional Experience

A progressive trajectory of building high-impact platforms and leading engineering initiatives.

Senior Software & Full Stack Developer

Infoskills Technology Pvt Ltd, Noida
May 2022 – Present
  • TelioEV Platform: Redesigned EV Charging mobile application (React Native) and developed Java Spring Boot backend integrating OCPP & OCPI protocols with dynamic tariff calculations and station management. Deployed on AWS ECS Fargate, S3, Route 53, and CloudFront.
  • ElectricOne App: Developed smart EV charging solution in Flutter & Dart with Clean Architecture (BLoC), integrating OCPP charger communication and AWS S3 document storage.
  • Hyqoo Platform: Built cross-platform Talent Marketplace in Flutter & Dart with GraphQL, REST APIs, and Firebase Firestore real-time messaging.
  • Model Context Protocol (MCP) Servers: Designed and deployed enterprise MCP server backends for LLM agent integration with automated provisioning via Terraform.
  • Salon Management System: Built scalable salon management web application using Spring Boot microservices, PostgreSQL, Docker, and React.js frontend.

iOS App Developer (Contract)

Teliolabs Communication Pvt Ltd, Noida
Dec 2022 – Feb 2023
  • Charge N'Go (iOS): Engineered native iOS application using Swift, MapKit, and CoreLocation for real-time EV charging station routing, charger status updates, and Stripe/Razorpay payment integration.

Senior Software Developer

Fluper Ltd, Noida
Feb 2020 – Apr 2022
  • Architected and implemented enterprise web applications and scalable backends using Node.js, React.js, and MongoDB.
  • Shipped cross-platform Flutter solutions for client projects including Fuggu, RAL, DynDish, Payday, i12G, HOOT, CoachedIn, A2A, Clout, and EmojiZone.

Android Developer

Hire Indians Infotech Pvt Ltd, Noida
Aug 2019 – Jan 2020
  • Built e-commerce and on-demand services applications using Java, Kotlin, and Android SDK following MVVM patterns.
  • Integrated Google Maps API for live location tracking, Razorpay/Paytm payment gateways, and Firebase push notifications.
  • Delivered key products: StyleOAK, Doctor On Demand, and Quick Serve.

Android Developer

Metro Infrasys Pvt Ltd, Gurgaon
May 2016 – Jul 2019
  • Developed transport and highway management systems including Highway Saathi, Metro Parking, and OBU AVS Alexa.
  • Integrated intelligent voice assistants using API.ai and IBM Watson for voice-enabled navigation and toll payments.

Android Developer

Zebrogs Technologies, Noida
May 2015 – May 2016
  • Engineered Android e-commerce and sports events tracking applications using Android SDK.
Portfolio

Featured Projects & Live Apps

A selection of commercial apps, open-source repositories, and intelligent platforms.

IoT & EV Charging

TelioEV Platform

Comprehensive Electric Vehicle charging ecosystem with dynamic tariffs, real-time charger telemetry via OCPP 1.6/2.0.1, and cloud deployment on AWS ECS Fargate.

React Native Java Spring Boot OCPP / OCPI AWS Fargate
iOS App Store

Charge N'Go (iOS)

Native iOS application for electric vehicle drivers featuring live MapKit station discovery, charging status telemetry, and integrated payment checkouts.

Swift iOS SDK MapKit Firebase Stripe
Google Play Store

Highway Saathi

Highway mobility safety app with toll tag recharge, emergency SOS dispatch, live route tracking, and voice assistance integrated via IBM Watson & API.ai.

Android (Java) IBM Watson Google Maps Retrofit
Live Platform

DocSetuAI Platform

Autonomous AI Business Operations platform powered by Google Gemini 3.6 Flash, Google ADK, Next.js 15, and serverless Cloud Run backend.

Next.js 15 Gemini 3.6 Flash Cloud Run Firestore
Open Source

RAG-LLM-golang-project

High-throughput Vector RAG pipeline with semantic vector search, pgvector indexing, and ultra low-latency embeddings generation in Go.

Go (Golang) pgvector Embeddings LLM
Backend Starter

Enterprise Java 21 Kit

Enterprise-grade Java 21 & Spring Boot 3 microservices boilerplate featuring clean architecture, JWT auth, Dockerized orchestration, and CI/CD pipelines.

Java 21 Spring Boot 3 Docker Microservices

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Credentials

Education & Achievements

Academic foundation and recognized industry accomplishments.

Executive PG in Data Science

International Institute of Information Technology, Bangalore (IIIT-B)
Mar 2022 – Apr 2024

Master of Computer Applications (MCA)

Noida Institute of Engineering & Technology (NIET)
Jul 2013 – Jun 2015

Bachelor of Computer Applications (BCA)

IP College, Bulandshahar
Jul 2010 – Jun 2013
Key Achievements & Recognitions
  • 50+ Applications Shipped: Developed and published 50+ commercial mobile and web apps on Google Play Store and Apple App Store.
  • HackforIndia (Mobile10X / Paytm): Built an AI-assisted food product scanner using barcode identification for consumer safety.
  • Architectural Modernization: Migrated legacy monoliths to microservices, yielding a 60% latency reduction and 30% infrastructure savings.
  • Model Context Protocol (MCP) Innovation: Architected production MCP server infrastructure for multi-agent LLM systems.
Let's Connect

Get In Touch

Interested in collaborating or discussing senior engineering opportunities? Reach out anytime!

Email

skbhati2015@gmail.com

WhatsApp / Phone

(+91) 9810659036

Location

Noida, Sector 73, Uttar Pradesh, India (203201)

GitHub

github.com/skbhati199

CodeCrafters

app.codecrafters.io/users/skbhati199

Live Portfolio Platform

docsetuai.vercel.app