2021 - 2023
Master of Computer Application (MCA)
Calcutta Institute of Technology
Software Developer
Core Technologies
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.

(Jan 2023 - Present)
Central Institute of Indian Languages, Govt. of India
(Oct 2022 - Dec 2022)
Arctwist Technology Solution
(Dec 2020 - Present)
Fiverr (freelance), Upwork (freelance)
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
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
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
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
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
2021 - 2023
Master of Computer Application (MCA)
Calcutta Institute of Technology
2018 - 2021
Bachelor of Computer Application (BCA)
Debra Thana Sahid Khudiram Smriti Mahavidyalaya
2016 - 2018
Higher Secondary (HSC)
West Bengal Board of Secondary Education
© 2026 | All rights reserved | Developed by Writtik Bhattacharya