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DevOps Specialist · Python & MERN · Coimbatore, India

Dhayalan
Kaniappan

>

I build reliable cloud infrastructure, automate deployment pipelines with Ansible and Docker, and engineer robust Python systems and full-stack MERN applications.

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About Me & Backstory

The builder behind the code

Known as 'The Code Whisperer' — bridging Python & Java software engineering with automated Linux server fleets.

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Dhayalan Kaniappan — DevOps & Python Shell (The Code Whisperer)

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Academic Profile

Bachelor of Engineering (B.E.)

Sri Shakthi Institute of Engineering and Technology

Coimbatore, Tamil Nadu · Computer Science & Systems Focus

📍 Coimbatore, Tamil Nadu, India
Available for Hire
Local Clock (IST) --:--:--
Core Engineering Pillars

Python Systems · Ansible Automation · AWS & MERN

• Python (Primary)
• Amazon ECS & Docker
• Ansible Fleet
• AWS CDK & CI/CD
The Evolution

From Code to DevOps

How building software in Python, Java OOP, and MERN evolved into automating server fleets, engineering remote systems (ONey), mastering AWS container orchestration, and competing in national 24-hour CTFs.

Chapter 1 01

The Spark · From Code to DevOps

Known as 'The Code Whisperer' — my journey began with deep curiosity for Python and Java. As my projects expanded, I realized that writing clean code is only half the craft — containerizing with Docker and Amazon ECS, automating servers with Ansible, and maintaining bulletproof infrastructure is where true engineering begins.

Chapter 2 02

The Craft · Full-Stack & Tooling

Built end-to-end full-stack applications with the MERN stack (MongoDB, Express, React, Node.js) along with practical Python and Java software: automated filesystem sorters, banking ATM systems, and customized community forum platforms like Flarum.

Chapter 3 03

The Wire · Remote Systems & 24h CTFs

Dove deep into network protocols and systems engineering. Developing ONey (a low-latency remote system control client) and Z-Protocol (raw socket transport), while sharpening problem-solving in national 24-hour CTFs including the Tamil Nadu Police Yukthi CTF, Amrita L3m0n CTF, and Rajalakshmi HackTiVate.

Chapter 4 04

The Horizon · Scalable Cloud Automation

Focused on modern DevOps workflows: Amazon ECS container orchestration, Infrastructure as Code with AWS CDK and CloudFormation, Ansible fleet provisioning, and automated CI/CD pipelines.

Software & Systems Showcase

Projects & Codebases

All codebases from my official GitHub repository — featuring remote systems (ONey), DevOps automation, Java OOP systems, MERN full-stack apps, and Python tools.

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ONey Remote System Control
In Progress Featured DevOps
State
Active WIP
Tunneling
P2P Direct
Target Latency
< 20ms
DevOps / Remote Systems

ONey Remote System Control

Low-latency remote system management client with encrypted peer-to-peer UDP hole punching and zero-copy screen streaming.

Python P2P Tunneling UDP Sockets Screen Streaming

Architecture Deep Dive: ONey

Designed for direct host-to-host encrypted remote management without third-party relays. Utilizes raw UDP sockets for low-latency frame transport, session key cryptography for host verification, and bidirectional input synchronization.

Challenge: Low-latency frame streaming across restrictive NAT firewalls.
Solution: Engineered lightweight UDP socket streaming with frame compression.
Z-Protocol Wire Transport
In Progress Featured Systems
State
Ongoing
Header Overhead
16 Bytes
Integrity
CRC32
Networking Protocols

Z-Protocol Wire Transport

From-scratch Layer-4 binary networking protocol built on raw Python sockets with custom handshake state machines and CRC32 verification.

Python Raw Sockets Binary Framing CRC32

Architecture Deep Dive: Z-Protocol

Built to understand the low-level mechanics of transport layer protocols. Features a custom 16-byte binary header, 3-way handshake state machine (SYN/SYN-ACK/ACK), and sequence numbering for packet reordering.

Browser Monitoring Tool
Completed Featured Python
Status
Completed
Data Format
JSON Buffer
Execution
Real-time
Telemetry & Automation

Browser Monitoring Tool

Python telemetry tool designed to instrument browser sessions, capturing DOM events, unsent buffer queues, and activity streams.

Python JSON Buffer DOM Telemetry

Architecture: Browser Monitoring Tool

Maintains a fault-tolerant local JSON buffer queue to ensure zero event loss during network interruptions, alongside streaming analytics.

ATM Banking & Account System
Completed Featured Java OOP
Status
Completed
Architecture
OOP / MVC
Data Integrity
Atomic TXN
Systems & OOP

ATM Banking & Account System

Java Object-Oriented banking application (maincode.java) with PIN authentication, balance protection, and mini-statement receipts.

Java OOP Encapsulation Collections

Architecture: Java ATM System

Strict object encapsulation preventing unauthorized balance modification, complete with audit logs and transaction history rollback safety.

Ansible Fleet Provisioning & Automation
Completed Featured DevOps
Status
Completed
Idempotency
100%
Setup Time
< 2 Mins
Infrastructure as Code

Ansible Fleet Automation

Playbook-driven Linux server provisioning, SSH security hardening, and UFW firewall enforcement across multi-node environments.

Ansible YAML Linux UFW Firewall

Architecture: Ansible Fleet

Structured with modular roles, variable isolation, and idempotent execution to guarantee reproducible server configurations in seconds.

Shahihennaholic Storefront
Completed Featured Web Platform
Status
Completed
Design
Mobile-First
Load Speed
Instant
Web Platform & E-Commerce

Shahihennaholic Storefront

Responsive web catalog and order generation interface for an organic henna brand with local storage cart persistence.

HTML5 CSS3 JavaScript Local Storage

Architecture: Shahihennaholic

Client-side state management for cart calculation, responsive image layouts for mobile shoppers, and direct WhatsApp order payload dispatch.

Python Automated File Organizer
Completed Python
Automation Daemon

Python File Organizer

Automated directory classifier daemon in Python (main.py) that categorizes downloads by MIME type and prevents filename collisions.

Python Filesystem OS Automation
Core Competencies

Skills & Technology Stack

Languages, cloud orchestration stacks, automation tools, and network analyzers I actively build with.

Programming 94%

Python

Core development language: ONey remote tool, Z-Protocol, telemetry & automation scripts.

DevOps & Cloud 90%

Amazon ECS & Docker

Container orchestration, task definitions, Fargate serverless, auto scaling & networking (AWS ECS Knowledge Badge).

DevOps 90%

Ansible Fleet Automation

Multi-node fleet provisioning, modular YAML roles, automated server hardening.

Infrastructure as Code 86%

AWS CDK & CloudFormation

Declarative infrastructure stacks, automated CI/CD pipelines with managed deployment stages.

DevOps 92%

Linux Administration

Ubuntu/Debian management, systemd services, SSH keys, and UFW firewall enforcement.

Full-Stack 90%

MERN Stack & React

React components, Node.js/Express REST APIs, MongoDB schemas (92% Merit), and Tailwind CSS.

Credentials & Resume

Certifications & Experience

Verified AWS Credly badges, technical accreditations, national CTF honors, and academic training at Sri Shakthi Institute.

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Verified Digital Badges

Amazon Web Services · Credly Verified CREDLY OFFICIAL

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Amazon ECS Knowledge Badge
High Weightage · Credly September 05, 2026

Amazon ECS Knowledge Badge Assessment

Amazon Web Services (AWS) · Credly Official Digital Badge

Official AWS comprehensive credential demonstrating container orchestration mastery on Amazon ECS, task definition architecture, cluster deployment, networking, and security governance.

Cloud Game Development Knowledge Badge
High Weightage · Credly September 09, 2026

Cloud Game Development Knowledge Badge

Amazon Web Services (AWS) · Credly Official Digital Badge

Official AWS credential covering cloud infrastructure for game servers, high-frequency low-latency networking, GameLift fleets, and cloud scale.

All Verified on LinkedIn ↗
CI/CD Pipeline with AWS CDK
High Weightage Sep 04, 2026

Deploying a CI/CD Pipeline with AWS CDK

AWS Skill Builder Lab

Managed deployment stage architecture with AWS CDK, automated pipeline provisioning, and rollout testing.

AWS CloudFormation for Automation
High Weightage Sep 04, 2026

AWS CloudFormation for Automation

AWS Skill Builder Lab

Infrastructure as Code (IaC) automation, multi-resource stack declarations, and continuous deployment orchestration.

Amazon ECS Knowledge Badge
High Weightage Sep 05, 2026

Amazon ECS Knowledge Badge

AWS · Credly Verified Badge

Container architecture, task definitions, cluster operations, and auto scaling on Amazon Web Services.

Cloud Game Development Knowledge Badge
High Weightage Sep 09, 2026

Cloud Game Development Knowledge Badge

AWS · Credly Verified Badge

Low-latency servers, GameLift fleets, server scaling, and AWS cloud backend infrastructure.

Java + MongoDB Certificate of Merit
High Weightage · 92% August 2025

Certificate of Merit: Java + Mongo DB

Hazhtech / IACT (92% Score)

60-day intensive course in Java OOP principles, collections, data structures, and MongoDB database modeling.

Yukthi CTF 2.0 Certificate
High Weightage · CTF December 2025

Yukthi CTF 2.0 (National-Level CTF)

Tamil Nadu Police & Selfmade Ninja

National-level Capture The Flag competition organized by the Tamil Nadu Police contributing to digital resilience and cyber defense.

HackTiVate 24-Hour CTF Certificate
High Weightage · CTF January 2026

0xTi - HackTiVate 24-Hour CTF

Rajalakshmi Engineering College

24-hour intensive CTF hackathon showcasing technical problem-solving, binary analysis, and web exploitation.

L3m0n CTF Certificate
High Weightage · CTF 2025

L3m0n CTF 2025 (24-Hour CTF)

Amrita Vishwa Vidyapeetham

24-hour national cybersecurity and problem-solving competition hosted by Amrita Vishwa Vidyapeetham.

Hidden by default to highlight core credentials · Includes specialized ECS technical modules & readiness courses

AWS Specialized Technical Modules

Amazon ECS Architecture Series (Medium Weightage)

Deep-Dive Sep 05, 2026
Amazon ECS Security

Amazon Web Services · Skill Builder

Task execution IAM roles, secrets manager injection, security groups, and container privilege isolation.

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Deep-Dive Sep 05, 2026
Amazon ECS Networking

Amazon Web Services · Skill Builder

awsvpc network mode, bridge/host networking, VPC endpoints, and Application Load Balancer target groups.

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Deep-Dive Sep 05, 2026
Amazon ECS Observability

Amazon Web Services · Skill Builder

Container Insights, Amazon CloudWatch metrics, AWS X-Ray tracing, and cluster logging pipelines.

Download PDF 📥
Deep-Dive Sep 05, 2026
Amazon ECS Auto Scaling & Cost

Amazon Web Services · Skill Builder

Target tracking policies, step scaling, Spot Fargate capacity providers, and cluster cost tuning.

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Deep-Dive Sep 05, 2026
Amazon ECS Deployment

Amazon Web Services · Skill Builder

Rolling updates, blue/green deployments with AWS CodeDeploy, circuit breakers, and canary traffic shifting.

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Deep-Dive Sep 05, 2026
Deploying a Workload on Amazon ECS

Amazon Web Services · Skill Builder

Step-by-step production workload containerization, ECS cluster creation, and service endpoint routing.

Download PDF 📥
Introductory Foundations

Foundations & Readiness Overviews (Low Weightage)

Foundation Sep 05, 2026
Containers Learning Series for ECS

Amazon Web Services · Skill Builder

High-level curriculum overview of AWS container technologies and managed cluster strategies.

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Readiness Path Sep 05, 2026
ECS Knowledge Badge Readiness Path

Amazon Web Services · Skill Builder

Structured prerequisite path preparing for the official Amazon ECS Knowledge Badge assessment.

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Foundation Sep 05, 2026
ECS Introduction to Containers

Amazon Web Services · Skill Builder

Foundational concepts of containerization, image layers, and container runtimes.

Download PDF 📥
Foundation Sep 05, 2026
Amazon ECS Fundamentals

Amazon Web Services · Skill Builder

Core architectural primitives: Tasks, Services, Task Definitions, and Cluster Launch Types.

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Cloud & Infrastructure Automation

DevOps & Cloud Systems Developer

Independent Systems · 2025 — Present

  • Containerized workloads on Amazon ECS with Fargate and auto scaling, earning the AWS ECS Knowledge Badge.
  • Engineered automated CI/CD deployment pipelines using AWS CDK and declarative CloudFormation stacks.
  • Architecting ONey — low-latency remote system management client with encrypted P2P tunneling.
  • Created modular Ansible automation playbooks for rapid Linux server provisioning and firewall security.
Full-Stack Engineering

Full-Stack MERN Developer

Web Platforms · 2024 — Present

  • Built responsive e-commerce storefronts (Shahihennaholic) with localized cart state.
  • Engineered custom Flarum extensions with JavaScript/Mithril frontend hooks and MySQL indexing.
  • Developed RESTful APIs in Express with JWT authentication and MongoDB schemas (92% Merit).
Academic Degree Program

Bachelor of Engineering (B.E.)

Sri Shakthi Institute of Engineering and Technology, Coimbatore

Core coursework in Python Systems Development, Java OOP, Operating Systems, Linux Administration, Computer Networks, and Cloud DevOps practices.

AWS Cloud & DevOps

Amazon ECS (Knowledge Badge) · AWS CDK · AWS CloudFormation · Docker · Ansible Playbooks · Linux Fleet Admin · CI/CD Workflows · Bash

Programming & Systems

Python (Primary) · Java (OOP & Collections · 92% Merit) · JavaScript (ES6+) · TypeScript · Raw Sockets · Telemetry

Full-Stack Web

React · Node.js · Express.js · MongoDB · Tailwind CSS · HTML5/CSS3 · REST APIs

Get In Touch

Let's build resilient systems together

Available for full-stack engineering roles, DevOps automation, and scalable cloud systems. Feel free to reach out directly via email or LinkedIn.

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