Sanjay Tiwari

Software Engineer

Noida,UP

Summary

Frontend Developer with 7+ years of experience delivering scalable, high-performance web applications. Specialized in performance optimization, accessibility (WCAG), and SEO-driven development.

Overview

Language

Certifications

years of professional experience

Work History

Lead Software Engineer

Quarks Technosoft Pvt. Ltd.

Noida

06.2020 - Current

Client: Hindustan Times
Developed responsive interfaces with HTML5, CSS3, JavaScript/jQuery to enhance user experience
Optimized performance using lazy loading, Webpack, AMP
Optimized performance through lazy loading, Webpack, and AMP, resulting in faster load times
Enhanced Core Web Vitals, SEO, and WCAG accessibility to improve site usability
Highlighted significant projects
HT Classifieds — Modern UI (+50% performance)
HT Corporate — CMS solutions (+30% efficiency)
HT Smart Cast — WordPress (ACF, CPTs, Gutenberg) (+35% engagement)
AMP Integration — Reduced load time by 65%

Senior UI Developer

Gooblyflight Travels Pvt. Ltd.

GURGAON

01.2018 - 01.2020

Enhanced UI performance, resulting in 30% faster load times
Optimized mobile load time, achieving 45% reduction
Enhanced user experience by designing intuitive and visually appealing interfaces for web and mobile applications.
Established style guides and pattern libraries, maintaining consistency across multiple projects while minimizing design debt.
Mentored junior developers, facilitating their growth and development within the team.

Education

MCA - Computational Science

Uttar Pradesh Technical University

Kanpur, India

01-2011

Skills

Software Tools: Git, GitHub, BitBucket, VS Code, Antigravity, JIRA

Web development

Certification

Front-End Development – Coursera

Additional Information

Date of Birth: 20 Aug 1985
Marital Status: Married

Timeline