Neeraj Singh

About Neeraj Singh

Neeraj Singh — a Full Stack Developer (specializing in Front-End Engineering) with a knack for turning ideas into fast, scalable, and visually engaging digital experiences. Currently working at Leave Code Technologies Pvt. Ltd, I combine creativity, problem-solving, and deep technical expertise to deliver websites and applications that stand out both in design and performance.Over the last 4+ years, I’ve worked across 15+ end-to-end projects for startups, SMEs, and enterprise clients — achieving: Page load speed improvements of up to 45%, boosting SEO rankings and conversions. 25–30% increase in user engagement through UI/UX refinements. Full Core Web Vitals optimization, improving Google Lighthouse scores across the board. My Core Skills & Tech Stack: Front-End Development: HTML5, CSS3, JavaScript (ES6+), React.js, Svelte. Back-End Development: PHP, Python, REST API, GraphQL integration. Performance Optimization: Lazy loading, code splitting, CDN configuration, SEO-friendly markup. Responsive Design: Mobile-first approach, cross-browser & cross-device compatibility. Security Practices: HTTPS implementation, XSS prevention, SQL injection defense.🧩 Modern Tools & Workflows: Git, GitHub, Webpack, Vite, npm, Docker basics.🧠 Always Learning:Technology evolves fast — and so do I. I regularly explore new frameworks, AI-driven development tools, and automation workflows. Recently, I’ve been experimenting with:🤖 AI-assisted coding tools (GitHub Copilot, ChatGPT API integration). Next.js for SSR & SSG to enhance performance and SEO. Cloud Deployment (AWS S3, Netlify, Vercel) for scalable hosting. NoSQL & SQL Databases (MongoDB, MySQL) for full-stack capabilities.

Experience

1. Full-stack Web Developer

   Leave Code Technologies Pvt. Ltd

   Nov 2025 — Present

   As a Full-Stack Web Developer at Leave Code Technologies Pvt. Ltd, I design, develop, and optimize modern, scalable, and high-performing web applications. My role involves building full-stack solutions using the latest technologies to deliver fast, secure, and user-friendly digital experiences for businesses.Key ResponsibilitiesDeveloping responsive, high-performance websites and applications using front-end and back-end technologiesBuilding clean, maintainable, and scalable code for long-term reliabilityImplementing SEO best practices, technical optimization, and performance tuningIntegrating APIs, databases, payment gateways, and automation featuresDeveloping dynamic dashboards, admin panels, and custom web functionalitiesOptimizing websites for speed, mobile experience, security, and conversionsCollaborating with UI/UX teams to create visually appealing and intuitive interfacesManaging deployments, testing, and version control for smooth product releasesTech Stack & ToolsFrontend: HTML5, CSS3, JavaScript, React / Vue, Bootstrap, TailwindBackend: Node.js, PHP, Express, LaravelDatabases: MySQL, MongoDB, FirebaseCMS: WordPress, ShopifyOthers: GitHub, API Integrations, Web Automation Tools, Web Hosting & ServersAchievementsDelivered multiple fast, SEO-friendly, and conversion-optimized websitesImproved website performance scores (Core Web Vitals) up to 95+ on Google PageSpeedAutomated workflows using AI & API-based solutions to save client timeBuilt custom features that improved user experience & business efficiencyMy FocusTo deliver high-quality digital solutions that help companies grow with: Better performance Strong online presence Smart, AI-powered automation User-friendly designs

Education

• VKIT Bijnor

  Bachelor of Arts - BA, Computer Science

  2019 — 2021