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Hello,
I'm PATCHAIYAPPAN K
And I'm a Full Stack Developer

About Me

I am PATCHAIYAPPAN K and I'm a Full Stack Developer

Highly motivated and results-driven Full Stack Developer with strong backend expertise in Python and frontend proficiency using React (JavaScript & TypeScript). Skilled in building scalable applications, designing RESTful APIs, and deploying production-ready solutions. Passionate about building user-centric digital products, optimizing system performance, and collaborating with cross-functional teams.

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My Services

Web Design

Web design refers to the design of websites that are displayed on the internet. It usually refers to the user experience aspects of website development rather than software development. Web design used to be focused on designing websites for desktop browsers; however, since the mid-2010s, design for mobile and tablet browsers has become ever-increasingly important.

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ReactJs Developer

React is an open-source JavaScript library .In programming, libraries serve as toolkits for developers. Their contents may include configuration data, prewritten code, message templates. A React developer uses their programming skills to create JavaScript-based applications for web or mobile environments. They typically specialize in frontend development, such as building user interfaces (UI).

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Web Development

Web development refers to the creating, building, and maintaining of websites. It includes aspects such as web design, web publishing, web programming, and database management. It is the creation of an application that works over the internet. The word Web Development is made up of two words, It refers to websites, web pages or anything that works over the internet.

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Technical Skills

React
Python
Node.js
JavaScript
HTML/CSS
SQL
MongoDB
Git

Proficiency Levels

React (JavaScript & TypeScript)
Python (FastAPI)
Node.js & Express.js
HTML5 & CSS3
JavaScript
PostgreSQL & MySQL
MongoDB
Material-UI & Bootstrap

Experience

Full Stack Developer

DGi WORX, Chennai

July 2025 – Present

Key Projects:
  • Credo Star – Online Course Platform: Developed a scalable web platform using React (TypeScript) with Vite for fast builds and optimized performance, integrated with Material UI for a seamless UI/UX. Implemented authentication, course enrollment flows, and user dashboards, with backend APIs built in Python FastAPI and PostgreSQL.
  • FarmGro-Eco-Trails – Village-based Agri-Tourism Platform: Built the public-facing site and booking interfaces using HTML, CSS, and JavaScript, focusing on responsive layouts, offline-friendly pages for rural connectivity, simple booking flows, and showcasing local produce and itineraries. Backend services were developed in Python FastAPI with PostgreSQL.
  • API Development & Integration: Built high-performance APIs using Python FastAPI for backend communication, integrated with PostgreSQL.
  • Authentication & Course Management: Implemented secure login, user enrollment flows, and dashboard components.

Junior Software Developer

Promethean Software Solutions, Pondicherry

December 2023 – June 2025

Key Projects:
  • Medshyne – Organization Onboarding: Developed onboarding UI using ReactJs and integrated backend APIs with NodeJs + MySQL.
  • Medshyne – Doctor App & HCR App: Created role-specific applications for doctors and healthcare reps, focusing on authentication, scheduling, and secure data access.
  • Medshyne – Super Admin Panel: Built a responsive admin dashboard with ReactJs + Bootstrap for managing healthcare organizations.
  • East Coast Hospital – Dialysis Module: Developed patient scheduling and monitoring features in ReactJs, optimized for real-time data updates.
  • Office Website Enhancement: Enhanced performance and accessibility of company's React-based website for better SEO and UX.

My Project Gallery

Portfolio 1 Portfolio 1 Portfolio 1 Portfolio 1 Portfolio 1 Portfolio 1 Portfolio 1 Portfolio 1 Portfolio 1

Certifications

Course 1

Front-End Development Certification

Greens Technology, Chennai
June 2023 – October 2023

Hands-on training in HTML, CSS, JavaScript, React, and real-time project experience.

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Education

B.Tech – Electrical and Electronics Engineering

Christ College of Engineering & Technology, Pondicherry University

2017 – 2021 | CGPA: 7.89

  • Project: Piezoelectric Energy Harvesting – Generated 5W power from vibrations; improved conversion efficiency by 12%.
  • Internship: Supreme & Co. Pvt Ltd, Kolkata – Contributed to power transmission manufacturing processes and quality testing.

HSC – State Board of Tamil Nadu

Jothi Vallalar Higher Secondary School

2016 – 2017 | 55%

SSLC – State Board of Tamil Nadu

Kolping Matriculation Higher Secondary School

2014 – 2015 | 74%

Frequently Asked Question

Do front-end developers need to know web design?

So yes, a web designer should know the HTML/CSS/JavaScript, at least on a fundamental level. On the other hand, front-end developers can make some use of knowing Photoshop or Sketch/Illustrator, but they do not need web designing skills to do their job.

Do front-end developers build websites?

A front-end developer creates websites and applications using web languages such as HTML, CSS, and JavaScript that allow users to access and interact with the site or app. When you visit a website, the design elements you see were created by a front-end developer.

Is HTML and CSS enough to be a front-end developer?

Learning HTML, CSS, and JavaScript will give you a solid foundation in front-end development and make it easier to learn front-end frameworks. You'll also be better equipped to understand how the different components of an application fit together and how to build and debug applications more effectively

How many days required to learn HTML CSS and JavaScript?

If you want to completely learn these languages from basics to advance then you should have to spend 2 hours a day and you will become a web developer in next 3 to 4 months.

Does front-end use CSS?

Languages used for the front end are HTML, CSS, and JavaScript while those used for the back end include Java, Ruby, Python, and . Net.

Which language is better for front-end developer?

HTML, the standard markup language for creating web pages, is essential for front-end development because it gives developers a way to define the content and structure of a website or application