Frontend and software engineer with experience leading web and mobile web engineering at scale, mentoring frontend teams, and establishing best practices. Built secure, scalable banking platform features and delivered high-impact UI development using JavaScript and modern web technologies. Also drives personal GenAI projects, building LLM-powered conversational and RAG-based document intelligence applications with streaming responses, local inference (Ollama), and modular backend services for retrieval, embeddings, and grounded prompting.…

Priyabrata Bera

Frontend and software engineer with experience leading web and mobile web engineering at scale, mentoring frontend teams, and establishing best practices. Built secure, scalable banking platform features and delivered high-impact UI development using JavaScript and modern web technologies. Also drives personal GenAI projects, building LLM-powered conversational and RAG-based document intelligence applications with streaming responses, local inference (Ollama), and modular backend services for retrieval, embeddings, and grounded prompting.…

Available to hire

Frontend and software engineer with experience leading web and mobile web engineering at scale, mentoring frontend teams, and establishing best practices. Built secure, scalable banking platform features and delivered high-impact UI development using JavaScript and modern web technologies.

Also drives personal GenAI projects, building LLM-powered conversational and RAG-based document intelligence applications with streaming responses, local inference (Ollama), and modular backend services for retrieval, embeddings, and grounded prompting.

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Skills

Experience Level

Cursor Composer
Expert
React JS
Expert
JavaScript
Expert
HTML5
Expert
TypeScript
Expert
jQuery
Expert
Node.js
Expert
API
Expert
AI Chatbot
Expert
Leadership
Expert
CSS
Expert
Prompt Engineering
Expert
Python
Expert
Large Language Model
Expert
Dojo
Expert
ChatGPT
Expert
MySQL
Expert
PHP
Expert
Claude
Intermediate
Magento
Intermediate
SQL
Intermediate
MongoDB
Intermediate
Tailwind
Intermediate
VSDC
Beginner
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Language

English
Advanced
Hindi
Fluent
Bengali
Fluent

Work Experience

Tech Lead – Frontend Development at The Economic Times (Times Internet)
May 1, 2019 - Present
Directed frontend architecture and led large-scale migrations to React.js, Next.js, and TypeScript, improving Core Web Vitals and overall performance across flagship products. Migrated legacy XSLT applications to modern Next.js architecture to enhance accessibility, maintainability, and page performance. Built a centralized configuration management platform (Next.js/React.js/Node.js) deployed across 8 repositories, standardizing patterns and reducing integration time for new properties. Developed and shipped internal admin panels (Next.js/React.js) including management and subscription tools for self-serve business control over configurable content and data. Mentored frontend engineers and established engineering best practices for Economic Times web and mobile web platforms. Integrated AI-assisted tooling (Claude/ChatGPT/Cursor/Codex) into team workflows to improve review turnaround and production velocity.
Sr. Consultant at Infogain India Private Limited
March 1, 2016 - May 1, 2019
Developed and enhanced the FedEx Print Online enterprise platform using React.js, JavaScript, CanJS, HTML5, CSS3, AJAX, and JSON. Delivered scalable document printing, customization, and order management capabilities.
Consultant at Capgemini India Private Limited
January 1, 2014 - March 1, 2016
Built secure, scalable online banking features for the HSBC Banking Platform using JavaScript, Dojo, jQuery, AJAX, HTML5, CSS3, and JSON.
January 1, 2013 - August 20, 2013
Mentored a team of frontend engineers, led development for Economic Times Web and Mobile Web platforms, and established engineering best practices. Built secure, scalable online banking features for the HSBC Banking Platform using JavaScript, Dojo, jQuery, AJAX, HTML5, CSS3, and JSON.
Senior Software Engineer at Samsung India Software Centre
October 1, 2011 - September 1, 2013
Developed Smart TV applications using JavaScript, HTML5, and the Samsung SDK. Led a multithreading migration initiative across 200+ Smart TV applications. Received the Best Mentor Award (2012) for outstanding contribution to team development.
Senior Software Engineer at ONS Interactive Solutions Pvt. Ltd
March 1, 2011 - October 1, 2011
Enhanced enterprise e-commerce platforms using PHP, MySQL, JavaScript, jQuery, AJAX, and Magento, delivering new features, bug fixes, and performance improvements.
Software Engineer at Chetu (I) Pvt. Ltd
October 1, 2008 - March 1, 2011
Built scalable e-commerce solutions for PC Game Supply using PHP, MySQL, JavaScript, jQuery, and AJAX, including secure payment workflows and digital product delivery.

Education

B.Tech, Computer Science & Engineering at B.P. Poddar Institute of Management & Technology
January 1, 2000 - January 1, 2006
B.Tech, Computer Science & Engineering at B.P. Poddar Institute of Management & Technology
January 1, 2000 - January 1, 2006
B.Tech, Computer Science & Engineering at B.P. Poddar Institute of Management & Technology
January 1, 2000 - January 1, 2006

Qualifications

B.Tech in CSE
April 2, 2002 - April 28, 2006

Industry Experience

Software & Internet, Media & Entertainment, Financial Services, Retail, Telecommunications, Computers & Electronics
    The economic times

    Directed frontend architecture and led large-scale migration initiatives to React.js, Next.js, and TypeScript, improving Core
    Web Vitals scores and overall application performance across flagship products.
    •
    Migrated legacy XSLT applications to modern Next.js architecture, improving accessibility, maintainability, and page
    performance.
    •
    Designed and built a centralized configuration management platform (Next.js, React.js, Node.js) deployed across 8
    repositories, standardizing implementation patterns and cutting integration time for new properties.
    •
    Built and shipped multiple internal admin panels (Next.js, React.js) — including management and subscription tools —
    giving business teams self-serve control over configurable content and data.
    •
    Mentored a team of frontend engineers, leading development for Economic Times Web and Mobile Web platforms and
    establishing engineering best practices.
    •
    Integrated AI-assisted development tools (Claude, ChatGPT, Cursor, Codex) into team workflows, improving code review
    turnaround and production velocity.