Hariharan
Palanisamy

Full-Stack Developer DevSecOps Engineer & AI/ML Enthusiast

Bridging development, operations, and security with cutting-edge AI/ML expertise. 13+ years of experience in creating secure, scalable, and intelligent solutions.

Hariharan Palanisamy
Dubai, UAE

About Me

About Hariharan

Seasoned DevSecOps Engineer, Front End Engineer and Full-Stack Developer with over 13 years of experience, specializing in bridging the gap between application development, IT operations, and security. Recently enhanced expertise with a PG master-level course in AI/ML Engineering from IIT Hyderabad Talentsprint, with a keen interest in developing secure and scalable AI-driven solutions. Proven leader in implementing robust DevSecOps practices and scrum methodologies, while also providing technical leadership to engineering teams. Eager to leverage this unique skill set to build innovative and secure applications and AI development.

Over 13 years of experience in full-stack development, with a current focus on building applications. Recently completed a PG master-level course in AI/ML Engineering from IIT Hyderabad Talentsprint, acquiring proficiency in machine learning algorithms, deep learning, and data science. Expertly integrated security into DevOps practices, embedding automated security scans (SAST, DAST) and compliance checks directly into CI/CD pipelines using tools like Azure DevOps, Jenkins, and GitLab CI. Designed and deployed scalable, secure infrastructure using Infrastructure as Code (IaC) tools, ensuring continuous deployment without compromising security. Spearheaded rapid detection and resolution of security incidents, significantly minimizing downtime and threat impact.

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Skills & Expertise

AI/ML

Machine learning models, neural networks, data analysis.

Full Stack Development

Frontend and backend development with modern frameworks.

DevOps

CI/CD pipelines, automation, containerization.

Project Management

Agile methodologies, team leadership, timeline management.

Cyber Security

Vulnerability assessment, compliance, secure coding practices.

Professional Experience

13+
Years Experience
4
Leading Companies
50+
Projects Completed
100+
Technologies Mastered

AI Full Stack Dev & DevSecOps Engineer

Department of Health Abu Dhabi - Help Ag Payroll

Abu Dhabi, UAE

2021 - Present
  • Led AI integration in DevSecOps pipelines for enhanced automation and threat detection
  • Developed secure full-stack applications for payroll management in healthcare
  • Implemented advanced security practices reducing vulnerabilities by 70%
  • Trained teams on AI technologies and DevSecOps best practices
Technologies Used:
AI/ML Jenkins Terraform Docker Kubernetes AWS

Developer (Contract)

Emirates HR (Yomly)

Dubai, UAE

2021 - 2022
  • Developed HR features for Yomly platform using React and Node.js
  • Optimized application performance and implemented security features
  • Collaborated with cross-functional teams to deliver innovative HR solutions
  • Deployed cloud-based applications using AWS
Technologies Used:
React Node.js AWS Docker

Senior Software Engineer

ADQCC, Abu Dhabi - Emircom Contract

Abu Dhabi, UAE

2017-2019 & 2020-2021
  • Led development of software solutions for quality control systems
  • Implemented efficient database systems using SQL Server
  • Deployed applications on Azure with focus on security
  • Managed full development cycles from design to deployment
Technologies Used:
.NET SQL Server Azure Git

Senior Developer

TATOO360 (Group of Wounderman)

Dubai, UAE

2018 - 2019
  • Developed advanced web applications for advertising clients
  • Integrated NoSQL databases for big data handling
  • Optimized user interfaces for better user experience
  • Collaborated with designers to create visually appealing applications
Technologies Used:
React Node.js MongoDB AWS

Senior Front-End Developer

TACME, Dubai

Dubai, UAE

2015 - 2017
  • Led front-end development for enterprise applications
  • Implemented responsive designs for various devices
  • Optimized application performance using advanced techniques
  • Collaborated with back-end developers for seamless integration
Technologies Used:
HTML5 CSS3 JavaScript Angular React

Web Developer

Social Beat, Chennai

Chennai, India

2013 - 2015
  • Developed websites and applications for digital marketing clients
  • Managed MySQL databases for dynamic applications
  • Customized WordPress platforms for client-specific solutions
  • Optimized websites for search engines and performance
Technologies Used:
PHP MySQL WordPress JavaScript

Web Developer (Remote)

VITAL DESIGN, USA

USA (Remote)

2013 (6 months)
  • Worked remotely on web design and development projects
  • Collaborated with international team to deliver web solutions
  • Gained experience in remote development practices
  • Contributed to responsive web development
Technologies Used:
HTML CSS JavaScript PHP

System Engineer

Gemini Communication Ltd., Chennai

Chennai, India

Aug 2012 - 2013
  • Managed and maintained network systems and servers
  • Provided technical support to clients and internal teams
  • Gained fundamentals in system administration and network security
  • Contributed to initial software development projects
Technologies Used:
Network Administration System Maintenance Basic Programming

Latest Blog Posts

What is a Decision Tree in ML, and How Is It Used in Cyber security?

What is a Decision Tree in ML, and How Is It Used in Cyber security?

October 4, 2025

Decision trees are one of the most intuitive and easy to understand machine learning algorithms that work exactly like how we make decisions in real life. Think of them like flowcharts that help computers make smart choices by asking a series of yes/no questions. What is a Decision Tree?A decision tree is a tree-like structure […]

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How Your AI Remembers Your Past Chats Have You Ever Wondered How Your LLM Agent Responds From Previous Chat Sessions?How Your AI Remembers Your Past Chats

How Your AI Remembers Your Past Chats Have You Ever Wondered How Your LLM Agent Responds From Previous Chat Sessions?How Your AI Remembers Your Past Chats

September 29, 2025

Large Language Models (LLMs) are fundamentally stateless; they process each query independently. The ability to recall past conversations is not innate but created by sophisticated external memory systems. Short-Term Memory: The Current Session During a single chat, the application provides the LLM with a “context window”—a sliding buffer of the most recent conversation. This allows […]

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Building a Simple Email Spam Detection Model: Train, Save, and Use Locally in Flask Python

Building a Simple Email Spam Detection Model: Train, Save, and Use Locally in Flask Python

September 6, 2025

In the world of machine learning, building a model is just the start—deploying it locally for quick predictions is where the real value lies. Today, I’ll walk you through creating a basic email spam detection model using scikit-learn, training it on a real dataset from Hugging Face, saving it, and running it on your local […]

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