Available for freelance projects

Nandakumar Venkatesan

Frontend Developer | UI Developer

Modern Websites & Web Applications That Look Great and Work Seamlessly.

I build responsive, user-friendly web experiences using Angular, React, JavaScript, TypeScript and modern web technologies — from new development to UI improvements, bug fixing and ongoing maintenance.

  • Angular development
  • UI development
  • Responsive websites
  • REST API integration
  • Bug fixing & maintenance
Start a ProjectView My Work Let's Talk
LinkedIn nandakumarv3011@gmail.com +91 8754288471

Services

What I can build or fix for your business

Freelance web development, UI development and maintenance — with Angular and modern frontend as the core specialization.

Angular Development

Build scalable, responsive, maintainable Angular web applications using modern frontend practices.

Frontend Web Development

Develop fast, responsive, user-friendly web interfaces using HTML, CSS, JavaScript, TypeScript and modern frameworks.

Web/UI Design & Development

Create modern and responsive website interfaces focused on usability, visual quality, and cross-device compatibility.

React Development

Build modern React-based frontend applications and interactive user interfaces.

Node.js Development

Develop supporting backend functionality and web solutions using Node.js.

WordPress Development

Create and customize professional WordPress websites for businesses and personal brands.

Bootstrap Development

Build responsive and mobile-friendly websites using Bootstrap and modern CSS practices.

Bug Fixing & Maintenance

Fix UI, responsive, JavaScript/TypeScript, Angular, API integration and functional issues — plus performance improvements, UI enhancements and ongoing maintenance.

Have a website or web application that needs to be built or fixed?

Start Your Project

Featured projects

Enterprise web applications built with Angular at the core

Case-study style highlights of frontend work delivered on large-scale products.

Featured projectMay 2025 – Present

Roche Diagnostics – LightCycler® PRO

UI Developer · May 2025 – Present

Enterprise Web Application | Medical Software

An enterprise-grade medical software platform designed to deliver accurate real-time PCR results.

  • Angular 14
  • TypeScript
  • DevExtreme DataGrid
  • OWC
  • HTML5
  • CSS3
  • SCSS
  • Plotly.js
  • Jasmine
  • Karma

Contributions

  • Developed scalable and responsive web interfaces.
  • Implemented new UI features and enhancements.
  • Improved application usability.
  • Resolved UI defects and functional issues.
  • Developed and maintained unit tests.
  • Improved frontend code quality and maintainability.
  • Worked with enterprise UI components and data visualization.
  • Applied responsive design and frontend best practices.
Enterprise solution2021 – 2025

Archon ETL & Archon Data Store (ADS)

UI Developer · 2021 – 2025

Enterprise ETL & Data Archival Platform

An enterprise data management and archival solution designed to analyze metadata, connect with various legacy systems, and support Extract, Transform, and Load (ETL) workflows into archival storage through Archon Data Store (ADS).

ETL to archival workflow

  1. Legacy Systems
  2. Metadata Analysis
  3. Extract
  4. Transform
  5. Load
  6. Archival Storage
  7. Retention & Purge
  • Angular 14
  • TypeScript
  • Angular Material
  • HTML5
  • CSS3
  • Flex Layout
  • WCAG
  • Chart.js
  • ngCharts
  • mxGraph

Why me

Why Clients Choose Me

Real enterprise frontend experience, applied to your website or web application.

6+ Years of Experience

Professional experience building and maintaining real-world web applications.

Frontend Specialist

Strong expertise in Angular, TypeScript, JavaScript, HTML and CSS.

Responsive & User-Friendly

Interfaces designed to work smoothly across desktop, tablet and mobile devices.

Clean & Maintainable Code

Focus on quality, maintainability, testing and modern frontend practices.

Existing Website Support

Can troubleshoot, fix, improve and maintain existing applications.

End-to-End Web Development

Support for frontend development and broader web technologies based on project requirements.

About me

Frontend & UI Developer building web experiences that work

Hi, I'm Nandakumar — a Frontend & UI Developer with 6+ years of experience building responsive, scalable, and user-friendly web applications.

Specialized in

  • Angular
  • TypeScript
  • JavaScript
  • HTML5
  • CSS3
  • Responsive UI
  • REST API integration

Also experienced with

  • React
  • Node.js
  • Bootstrap
  • WordPress
  • Modern web development

What I work on

  • New website development
  • Web application development
  • UI development
  • Responsive design
  • Existing application improvements
  • Bug fixing
  • Maintenance

6+

Years Experience

Angular

Specialist

Frontend

& UI Development

Freelance

Available now

Education

Bachelor of Engineering – Mechanical Engineering

Vidhya Mandhir Institute of Technology, Erode

2014 – 2018CGPA: 6.87

Start a Project

Skills

Core stack and technical toolkit

Grouped by how they are used day to day — from primary frontend expertise to testing, delivery, and accessibility standards.

Primary skills

  • HTML5
  • CSS3
  • JavaScript
  • TypeScript
  • Angular
  • Web Design
  • Web Development

Secondary skills

  • React.js
  • Node.js

AI-assisted development

  • GitHub Copilot
  • ChatGPT
  • Claude

Used to accelerate engineering work — never as a replacement for engineering expertise.

  • Feature development
  • Code generation
  • Debugging
  • Bug fixing
  • Unit test generation
  • Code refactoring
  • Code analysis
  • Technical documentation

Additional Technologies

  • Angular Material
  • Tailwind CSS
  • Bootstrap
  • RxJS
  • NgRx
  • Ionic
  • jQuery
  • SASS
  • DevExtreme DataGrid
  • Plotly.js
  • Chart.js

Testing & Quality

  • Jest
  • Jasmine
  • Karma
  • ESLint
  • SonarQube
  • Stryker Mutation Testing

Development

  • Git
  • GitHub
  • GitLab
  • JIRA
  • Docker
  • Jenkins
  • CI/CD

Accessibility

  • WCAG
  • Responsive Design
  • Cross-Browser Compatibility

Experience

Professional Experience

Enterprise frontend experience that backs up every freelance project I take on.

  1. May 2025 – PresentCurrent

    Frontend / UI Developer

    HCL Technologies Limited

    Frontend development for enterprise Angular applications — UI development, REST API integration, unit testing, code quality and defect resolution.

  2. January 2021 – April 2025

    Frontend Developer

    Platform 3 Solutions Private Limited

    Frontend development and UI implementation, API integration, accessibility, unit testing, Docker/Jenkins CI/CD, defect resolution and application improvements.

  3. June 2019 – September 2020

    Web Developer

    Nalam Healthcare IT Solutions Private Limited

    Frontend development, backend integration, functional testing and issue resolution.

Awards

Recognition for delivery and excellence

  1. Excellence Award

    2022

    Platform 3 Solutions Private Limited

    Recognized for outstanding performance in developing a product for sale within a short timeframe.

  2. Customer Miles Award

    June 2026

    HCL Technologies Limited

    Recognized for customer excellence, quality delivery, and contribution to project success.

Have a Web Project in Mind?

Let's turn your idea into a modern, responsive and reliable web experience.

Start a ProjectContact Me

Contact

Let's Work Together

Tell me what you're building, what needs to be fixed, or what you'd like to improve.

Email Menandakumarv3011@gmail.comCall Me+91 8754288471LinkedInNandakumar Venkatesan

Your message goes straight to my inbox — I usually reply within 24 hours.