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Hello,
This is Writtik , I'm a Professional Software Developer.

WB

WRITTIK BHATTACHARYA

Software Developer

15+
Skills
6+
Certs
Learning

Core Technologies

PHPCodeigniterLaravelReactNextJSNode.jsMongoDBAWSDockerGitTailwindBootstrapMaterialUIFigmaFirebaseMySQLPostgreSQL
Hard Worker & Problem Solver
Quick Learner & Adaptable
Always Ready for New Challenges

Who I am?

I'm Writtik Bhattacharya, a passionate web and app developer with over 4 years of experience specializing in PHP, React, modern web technologies, and UI/UX design. I have a strong background in building secure, high-quality applications from scratch, leveraging the latest frameworks and best practices to deliver innovative solutions. My expertise spans responsive website development, mobile app creation, and crafting engaging digital experiences, always prioritizing performance, security, and effective user-centric design.

Writtik Bhattacharya
Experiences

(Jan 2023 - Present)

Lead Web and Application Developer - I

Central Institute of Indian Languages, Govt. of India

  • Architected, engineered, and deployed scalable full-stack web and mobile applications for government educational ecosystems using React.js, Node.js, and PHP.
  • Spearheaded requirements engineering and agile delivery, collaborating with multidisciplinary teams to produce secure, performant, and accessible digital solutions.
  • Designed and implemented automation frameworks and in-house UI/UX systems, driving operational efficiency and optimizing user engagement across diverse platforms.

(Oct 2022 - Dec 2022)

Web and Application Tester

Arctwist Technology Solution

  • Tested web and mobile applications for functionality, performance, and user experience.
  • Identified and reported bugs to development teams.
  • Participated in testing meetings and provided feedback on project requirements.

(Dec 2020 - Present)

Freelance Web Developer

Fiverr (freelance), Upwork (freelance)

  • Developed and maintained websites for clients using modern web technologies.
  • Created custom web applications to meet client requirements.
  • Provided ongoing support and maintenance for existing web applications.
Skills
Popular Projects
Full Stack Developer

Computer Assisted Translation System (Trankit)

I built a computer assisted translation system using Codeigniter (PHP Framework), MySQL, advance JS, tailwind, bootstrap, etc. I have developed API using Express, Typescript, OpenAI, AWS, and MongoDB. Used OTP via AWS SES, Google, and Facebook for the authentication system. Built AI assistants using OpenAI's latest model and trained using our dataset. Voice messages are converted to text using AWS Transcribe. The app fetches data from Google Sheets and generates a PDF term sheet, sent via AWS SES.

Technologies Used

CodeigniterMySQLAWS SESAWS S3Node MailerJoiPuppeteerPM2advance JStailwindbootstrapOpenAI API
Full Stack Developer

Speech Recording Management System (Vacha)

I built a speech recording management system using Codeigniter (PHP Framework), MySQL, advance JS, tailwind, bootstrap, etc. I have developed API using Express, Typescript, OpenAI, AWS, and MongoDB. Used secure link via mail, Google, and Facebook for the authentication system. Built AI assistants using OpenAI's latest model and trained using our dataset. Voice messages are converted to text using AWS Transcribe. The app fetches data from Google Sheets and generates a PDF term sheet, sent via AWS SES.

Technologies Used

CodeigniterMySQLAWS SESAWS S3Node MailerJoiPuppeteerPM2advance JStailwindbootstrapOpenAI API
Full Stack Developer

Digitization Toolkit (D-Kit)

I built a digitization toolkit using Codeigniter (PHP Framework), MySQL, advance JS, tailwind, bootstrap, etc. I have developed API using Express, Typescript, OpenAI, AWS, and MongoDB. Used secure link via mail, Google, and Facebook for the authentication system. Built AI assistants using OpenAI's latest model and trained using our dataset. Voice messages are converted to text using AWS Transcribe. The app fetches data from Google Sheets and generates a PDF term sheet, sent via AWS SES.

Technologies Used

CodeigniterMySQLAWS SESAWS S3Node MailerJoiPuppeteerPM2advance JStailwindbootstrapOpenAI API
Full Stack Developer and Android/IOS Developer

Speech Recording MS (Vacha android/IOS)

I built a speech recording management system using Codeigniter (PHP Framework), MySQL, advance JS, tailwind, bootstrap, etc. I have developed API using Express, Typescript, OpenAI, AWS, and MongoDB. Used secure link via mail, Google, and Facebook for the authentication system. Built AI assistants using OpenAI's latest model and trained using our dataset. Voice messages are converted to text using AWS Transcribe. The app fetches data from Google Sheets and generates a PDF term sheet, sent via AWS SES.

Technologies Used

React NativeExpoTailwindReact Native Paper
Full Stack Developer and Android/IOS Developer

Bhashasagar (Govt. of India)

I built a Language learning system using Flutter, Firebase, Codeigniter (PHP Framework), MySQL, advance JS, tailwind, bootstrap, etc. I have developed API using Express, Typescript, OpenAI, AWS, and MongoDB. Used secure link via mail, Google, and Facebook for the authentication system. Built AI assistants using OpenAI's latest model and trained using our dataset. Voice messages are converted to text using AWS Transcribe. The app fetches data from Google Sheets and generates a PDF term sheet, sent via AWS SES.

Technologies Used

FlutterFirebaseCodeigniterMySQLadvance JStailwindbootstrapOpenAI API
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Educations
Hero

2021 - 2023

Master of Computer Application (MCA)

Calcutta Institute of Technology

Hero

2018 - 2021

Bachelor of Computer Application (BCA)

Debra Thana Sahid Khudiram Smriti Mahavidyalaya

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2016 - 2018

Higher Secondary (HSC)

West Bengal Board of Secondary Education

Certifications
MERN Stack Development
2025

FIWYUBGD

MERN Stack Development

Great Learning

Mastered the complete MERN stack ecosystem, building full-stack applications with MongoDB, Express, React, and Node.js. Gained expertise in RESTful APIs, state management, and modern JavaScript practices.

React JS Development
2025

EOBAESJQ

React JS Development

Great Learning

Comprehensive training in React.js fundamentals, hooks, context API, and component architecture. Developed proficiency in building dynamic, interactive user interfaces with modern React patterns.

Frontend Web Development
2026

KJFNEXYP

Frontend Web Development

Great Learning

Advanced frontend development skills covering HTML5, CSS3, JavaScript ES6+, responsive design, and modern frameworks. Specialized in creating pixel-perfect, performant web experiences.

Internet of Things (IoT)
2024

IOT

Internet of Things (IoT)

SWAYAM

Learned about the basics of Internet of Things (IoT) and how it works. Specialized in creating scalable, secure web applications.

Advance Excel
2026

CLEGEXVN

Advance Excel

Microsoft(Great Learning)

Learned about the advance Microsoft Excel and how it works with AI.

MEAN Stack Development
2026

NQQSTKGN

MEAN Stack Development

Microsoft(Great Learning)

Comprehensive training in Angular fundamentals, hooks, context API, and component architecture. Developed proficiency in building dynamic.

MERN Stack Development
2025

FIWYUBGD

MERN Stack Development

Great Learning

Mastered the complete MERN stack ecosystem, building full-stack applications with MongoDB, Express, React, and Node.js. Gained expertise in RESTful APIs, state management, and modern JavaScript practices.

React JS Development
2025

EOBAESJQ

React JS Development

Great Learning

Comprehensive training in React.js fundamentals, hooks, context API, and component architecture. Developed proficiency in building dynamic, interactive user interfaces with modern React patterns.

Frontend Web Development
2026

KJFNEXYP

Frontend Web Development

Great Learning

Advanced frontend development skills covering HTML5, CSS3, JavaScript ES6+, responsive design, and modern frameworks. Specialized in creating pixel-perfect, performant web experiences.

Internet of Things (IoT)
2024

IOT

Internet of Things (IoT)

SWAYAM

Learned about the basics of Internet of Things (IoT) and how it works. Specialized in creating scalable, secure web applications.

Advance Excel
2026

CLEGEXVN

Advance Excel

Microsoft(Great Learning)

Learned about the advance Microsoft Excel and how it works with AI.

MEAN Stack Development
2026

NQQSTKGN

MEAN Stack Development

Microsoft(Great Learning)

Comprehensive training in Angular fundamentals, hooks, context API, and component architecture. Developed proficiency in building dynamic.

rittik.2000.12@gmail.com

+91 8768-9792-61

Mysore, Karnataka, India - 570006

© 2026 | All rights reserved | Developed by Writtik Bhattacharya