Priyabrata Bera
Staff Frontend Engineer | Frontend Architect | Full-Stack Developer | AI Engineer
React.js · Next.js · TypeScript · Node.js · Python · GenAI
Immediate Joiner with 15+ years architecting scalable frontend applications, now building end-to-end GenAI applications with LLM integration and RAG pipelines.
Quick Stats
Snapshot for recruiters and hiring managers
Professional Summary
Clear, ATS-friendly frontend profile
Frontend Architect and Tech Lead with 15+ years of experience building scalable, high-performance web applications for media, banking, ecommerce, and enterprise platforms. Expert in React.js, Next.js, TypeScript, JavaScript, Node.js, frontend architecture, performance optimization, and engineering leadership. Led large-scale frontend modernization initiatives, mentored engineering teams, and delivered business-critical products used by millions of users. Hands-on with GenAI application development, including LLM integration, RAG pipelines, and AI-assisted engineering workflows using Claude, ChatGPT, Cursor, and Codex. Strong focus on Core Web Vitals, SSR, REST API design, and frontend performance optimization.
Technical Skills
Core stack, ecosystem, and delivery tools
Frontend
Backend / API
GenAI / AI Engineering
Performance & SEO
Cloud & DevOps
AI-Assisted Development
Practices
Work Experience
Professional experience across media, enterprise, banking, and consumer platforms
The Economic Times (Times Internet)
Tech Lead – Front End Development
- 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.
Infogain India Private Limited
Sr. Consultant
- Developed and enhanced the FedEx Print Online enterprise platform using React.js, JavaScript, CanJS, HTML5, CSS3, AJAX, and JSON, delivering scalable document printing, customization, and order management capabilities.
Capgemini India Private Limited
Consultant
- Built secure, scalable online banking features for the HSBC Banking Platform using JavaScript, Dojo, jQuery, AJAX, HTML5, CSS3, and JSON.
Samsung India Software Centre
Senior Software Engineer
- 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.
ONS Interactive Solutions Pvt. Ltd
Senior Software Engineer
- Enhanced enterprise e-commerce platforms using PHP, MySQL, JavaScript, jQuery, AJAX, and Magento, delivering new features, bug fixes, and performance improvements.
Chetu (I) Pvt. Ltd
Software Engineer
- Built scalable e-commerce solutions for PC Game Supply using PHP, MySQL, JavaScript, jQuery, and AJAX, including secure payment workflows and digital product delivery.
Major Projects
Selected platforms and product work
AI Conversational Assistant
End-to-end AI conversational app using Next.js/React.js and locally hosted Ollama LLMs, with streaming responses and conversation memory.
RAG-Based Document Intelligence
Retrieval-Augmented Generation app for question answering over PDFs, with embeddings, vector search, and grounded, cited answers.
AI Personalized News Intelligence Platform
GenAI platform delivering personalized, topic-aware news feeds with embeddings, semantic search, and LLM-powered article summaries.
Centralized Configuration Management Platform
Configuration management platform standardizing implementation patterns across 8 repositories at The Economic Times.
Internal Admin Panels
Management and subscription admin panels giving business teams self-serve control over configurable content and data.
XSLT to Next.js Migration
Large-scale migration of legacy XSLT applications to a modern Next.js architecture across flagship Economic Times products.
FedEx Print Online
Enterprise document printing, customization, and order management platform built at Infogain.
Education
Academic background
B.Tech, Computer Science & Engineering
B.P. Poddar Institute of Management & Technology
2000 – 2006 · 75.2%
Additional Strengths
What I bring beyond the stack
- Excellent debugging and problem-solving skills; quick learner with a strong work ethic.
- Strong mentorship track record, committed to deadlines and delivery quality.
- Actively expanding skills in Python, GenAI tooling, and automation.
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