Summary
Overview
Work History
Education
Skills
Languages
Timeline
SoftwareDeveloper
Rajarajan Arumugam

Rajarajan Arumugam

IOT Solution Architect
Chinna Salem,Tamil Nadu

Summary

  • IoT Solution Architect with 15+ years of experience in designing, developing, and deploying scalable IoT and cloud-based solutions.
  • Expertise in Azure and AWS cloud platforms, including Service Fabric, AKS, Service Bus, Notification Hub, Azure Functions, and Microsoft Entra ID (formerly Azure AD).
  • Proven experience leading large-scale IoT projects, focusing on secure, distributed, and highly available architectures across multiple domains like financial services, banking, insurance, and manufacturing.
  • Extensive experience in system design, implementation, and migration, aligning with best practices, methodologies, and security standards.
  • Led the integration of IoT devices and cloud services, including device provisioning, edge computing, and managing high-volume data streams.

Overview

15
15
years of professional experience
2
2

Cloud Platforms (Azure and AKS)

2
2

Certifications

Work History

IOT Solution Architect

Resideo Smart Home Technologies (India) Pvt Ltd.
Bangalore, Karnataka. India.
07.2015 - Current
  • Architected IoT solutions for smart home products, managing millions of connected devices through Azure IoT Hub.
  • Designed and implemented microservices architectures using Azure Service Fabric and AKS to ensure scalability and resilience.
  • Integrated on-premises servers with cloud services, configuring VNETs, subnets, load balancers, and security groups.
  • Led cloud migrations, optimizing infrastructure and reducing downtime with advanced CI/CD practices.
  • Secured IoT ecosystems using Microsoft Entra ID, Single Sign-On (SSO), and multi-factor authentication (MFA).

Senior Software Engineer

Xchanging Solutions Ltd.
Chennai, Tamil Nadu. India.
06.2013 - 04.2015

Associate Consultant

Infrasoft Technologies Ltd.
Mumbai, Maharashtra. India.
04.2012 - 05.2013

Senior Software Engineer

Trucom Solutions.
Navi Mumbai, Maharashtra. India.
08.2011 - 04.2012

Software Engineer

Signin Sign Technologies Pvt. Ltd.
Pattukkottai, Tamil Nadu. India.
03.2008 - 07.2011

Education

MASTER OF COMPUTER APPLICATIONS (MCA) - COMPUTER APPLICATIONS

Jamal Mohamed College
Trichy, Tamil Nadu. India.
06.2004 - 04.2007

BACHELOR OF COMPUTER APPLICATIONS (BCA) - COMPUTER APPLICATIONS

Bharathi College of Arts And Science
Kallakkurichi, Tamil Nadu. India.
06.2001 - 04.2004

HIGHER SECONDARY CERTIFICATE (HSC) - HIGHER SECONDARY

St. Antony’s Higher Secondary School
Melnariyappanur, Tamil Nadu. India.
06.1999 - 04.2001

SECONDARY SCHOOL CERTIFICATE (SSC) - SECONDARY

Govt. High School
Nagakuppam, Tamil Nadu. India.
06.1998 - 04.1999

Skills

Cloud Platforms: Azure (IoT Hub, Service Fabric, AKS, Service Bus, Notification Hub, Azure Functions, Microsoft Entra ID), AWS, PaaS, IaaS

IoT Technologies: Device provisioning, sensor integration, edge computing

Languages: Microsoft NET, NET Core, PowerShell, SQL, Python (for IoT devices)

Messaging & Communication: Azure Service Bus, Notification Hub, Event Grid, Queue Storage

Serverless Computing: Azure Functions, Logic Apps

Identity & Access Management: Microsoft Entra ID (formerly Azure AD), Single Sign-On (SSO), OAuth 20, OpenID Connect, Multi-Factor Authentication (MFA)

DevOps Tools: Git, TFS, SVN, Azure DevOps, CI/CD Pipelines

Containerization: Docker, Kubernetes

Frameworks: Service Fabric, API Management, IoT Edge

Architectural Skills: IoT Solution Architecture, Microservices, Distributed Systems, Messaging and Event-Driven Architectures

Methodologies: Agile/SCRUM, Waterfall

Languages

English (India)
Advanced (C1)
Tamil (India)
Bilingual or Proficient (C2)

Timeline

IOT Solution Architect

Resideo Smart Home Technologies (India) Pvt Ltd.
07.2015 - Current

Senior Software Engineer

Xchanging Solutions Ltd.
06.2013 - 04.2015

Associate Consultant

Infrasoft Technologies Ltd.
04.2012 - 05.2013

Senior Software Engineer

Trucom Solutions.
08.2011 - 04.2012

Software Engineer

Signin Sign Technologies Pvt. Ltd.
03.2008 - 07.2011

MASTER OF COMPUTER APPLICATIONS (MCA) - COMPUTER APPLICATIONS

Jamal Mohamed College
06.2004 - 04.2007

BACHELOR OF COMPUTER APPLICATIONS (BCA) - COMPUTER APPLICATIONS

Bharathi College of Arts And Science
06.2001 - 04.2004

HIGHER SECONDARY CERTIFICATE (HSC) - HIGHER SECONDARY

St. Antony’s Higher Secondary School
06.1999 - 04.2001

SECONDARY SCHOOL CERTIFICATE (SSC) - SECONDARY

Govt. High School
06.1998 - 04.1999
Rajarajan ArumugamIOT Solution Architect