Available for Senior / Staff roles

IYYAPPAN

Tech Lead & Front-End Engineer with 11+ years building enterprise-grade web applications. Expert in React, Angular, TypeScript and cloud-native architectures on AWS & Azure.

View Work → Get In Touch

11+

Years Experience

12+

Team Members Led

Faster CI/CD

Lighthouse Score

⚡ Open to Work

🏆 AZ-900 Certified

▲ 38% Faster Load

Iyyappan S

Tech Lead · Front-End Engineer

Available · Bangalore, Chennai, India

const iyyappan = {
  role:    "Tech Lead",
  exp:     11, // years
  stack:   ["React", "Angular"],
  cloud:   ["AWS", "Azure"],
  openTo:  "FAANG",  // ✓
  location:"Chennai"
}

Expertise

Technical Skills

Full-stack capability with a front-end specialisation — from pixel-perfect UI to cloud deployments.

⚛️

Front-End Core

React 18Angular 2–14 Next.jsTypeScript JavaScript ES2023AngularJS

🔄

State Management

Redux ToolkitRxJS NgRxContext API Zustand

🎨

Styling & Design

CSS3 AnimationsSCSS/SASS Tailwind CSSBootstrap Material UIResponsive

⚙️

Back-End & APIs

Node.jsExpress.js NestJSMongoDB MySQLREST APIs

☁️

Cloud & DevOps

AWS EC2/ECRAzure Web App DockerGitHub Actions Azure DevOpsJenkins

🧪

Testing & Quality

JestPlaywright React Testing Library SonarQubeTDD

Career

Experience

11 years of progressive growth from developer to tech lead across product companies.

Tech Lead

Sep 2025 – Nov 2025

Launch Consulting Pvt Ltd · Chennai

Architected React + Vite micro-frontend from 0 to production in 8 weeks — 3× faster build vs legacy CRA
Established Azure AD (MSAL) authentication securing enterprise access for 500+ internal users
Reduced CI/CD cycle from 3 days to same-day with Azure DevOps + Docker containerised pipelines

ReactVite MSALAzure DevOpsDocker

Application Development Specialist

Feb 2021 – Aug 2025

Accenture Solutions Pvt Ltd · Chennai

Led front-end of Anglo American's CDI platform serving 2,000+ global mining operations staff
Improved Lighthouse score 54 → 87 via code splitting & React.memo, reducing load time by ~38%
Shipped 3 major releases with zero critical incidents; 90%+ Jest coverage + Playwright E2E suite
Mentored 6 engineers; 2 promoted to Senior in 18 months

ReactAngular TypeScriptReduxSocket.IO

Senior Software Engineer

Jun 2018 – Sep 2019

Photon Interactive Pvt Ltd · Chennai

Built 50+ reusable Angular components for CRM Revamp & VMS, cutting feature dev time by 35%
Achieved full cross-browser compatibility, eliminating 95% of browser-specific defects

AngularHTML5CSS3

Software Engineer

Oct 2015 – Jun 2018

Guidanz Technologies (Skedler Product) · Chennai

Single-handedly built Skedler's front-end — enterprise BI product with D3.js dashboards for 300+ clients
Automated workflows saving 8+ engineering hours/week; cut onboarding time by 50%

AngularD3.jsjQueryHighcharts

Software Developer

May 2013 – Oct 2015

Linkware Technologies Pvt Ltd · Chennai

Led UI team delivering responsive web apps with HTML5, CSS3, Bootstrap & jQuery for 10+ clients
Built CSS animation sequences improving engagement scores by 20%

HTML5CSS3jQueryBootstrap

Work

Key Projects

Selected enterprise projects delivered with measurable business impact.

01 / AI Platform

CPG Copilot

Enterprise LLM-powered AI chat application with real-time Socket.IO streaming, MSAL Azure AD SSO, and Redux Toolkit state managing concurrent multi-session threads.

ReactSocket.IO Redux ToolkitMSAL DockerAzure

⚡ Sub-200ms streaming · 100 concurrent users

02 / Data Visualisation

Center Data Insights

Global data visualisation platform for Anglo American's mining operations. Converted 200+ Figma screens; built real-time KPI dashboards with WebSocket + RxJS observable streams.

ReactAngular TypeScriptRxJS Azure DevOps

📊 2,000+ users · 3 zero-incident releases

03 / Enterprise Product

Skedler

Solo front-end architect for a commercial BI reporting product. Delivered interactive D3.js/Highcharts dashboards and a self-service report builder from wireframe to production.

AngularD3.js HighchartsjQuery HTML5/CSS3

🏢 300+ enterprise clients served

04 / CRM System

CRM Revamp & VMS

Re-architected a legacy CRM with 50+ modular Angular components. Developed the full Vacation Management System from wireframe to go-live in 4 months.

AngularHTML5 CSS3Bootstrap REST APIs

⏱ 4-month 0→1 delivery · 35% faster dev

Journey

11 Years of Growth

2013 – 2015 · Foundation

HTML5 · CSS3 · Bootstrap · jQuery · JavaScript — started career building responsive web apps and CSS animation systems for 10+ client projects at Linkware.

2015 – 2018 · Growth

AngularJS → Angular 2–14 · D3.js · Highcharts — sole front-end engineer on Skedler product; owned complete architecture, wireframes and delivery for 300+ enterprise clients.

2018 – 2021 · Expansion

React · Redux · TypeScript · Node.js · MongoDB · AWS — evolved into full-stack capabilities; delivered enterprise CRM and VMS systems at Photon Interactive.

2021 – Present · Leadership

Tech Lead · System Architecture · Docker · CI/CD · LLM — led teams of 12+ at Accenture delivering mission-critical products; now targeting Staff Engineer roles at global product companies.

Education

B.E., Computer Science & Engineering
Anna University Affiliated College, Tamil Nadu
Graduated 2013

☁️

Microsoft Azure Fundamentals (AZ-900)

ID: 0FA76E-A1919Z

Looking For

Senior Front-End Engineer · Staff Engineer · Tech Lead roles at Google, Amazon, Zoho, Walmart, Anthropic or any global product company. Open to hybrid, remote, or relocation.

Beyond Code

Passionate about developer experience, design systems, and mentoring. Active on Stack Overflow and always exploring the frontier of AI/LLM integration in front-end products.