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Fiverr Pro
Italiano
$
USD
Anuj Singh
@anujsingh623
Full Stack JavaScript Developer React Node js Performance Optimization
India
Inglese
Chi sono
I am a Full Stack JavaScript Developer specializing in React, Node.js, and web performance optimization.
I help businesses build and improve web applications that are fast, reliable, and production-ready. I have hands-on experience working on real projects involving performance optimization, backend APIs, CI/CD pipelines, and debugging production systems.
What I can help you with:
React & Next.js web applications
Node.js & Express backend APIs
Website speed & Lighthouse optimization
Bug fixing and performance improvements
I focus on clean code, clear communication, and measurable result
Competenze
Anuj Singh
offline •
Consulta i miei servizi
Ottimizzazione velocità
I will analyze and fix website speed and lighthouse performance
Siti web personalizzati
I will develop or fix react or next js features with clean backend apis
Portfolio
Esperienza lavorativa
Full Stack Developer
Truck Mind • Full time
Oct 2024 - Jul 2025 • 9 mos
Architected and implemented a PPT/PDF data extraction pipeline using Claude AI API, converting unstructured documents into structured JSON, reducing manual processing time by 70%. Developed and maintained responsive, SEO-optimized client websites (e.g., rice mill industry), achieving 30% faster load times and 25% increase in organic traffic. Designed and integrated secure authentication and RBAC with Firebase Auth and Supabase, ensuring GDPR compliance and enhancing data security. Automated CI/CD workflows with GitHub Actions, Vercel, and Netlify, cutting deployment time by 40% and enabling zero-downtime releases. Mentored junior developers, conducted code reviews, and implemented best practices for code quality, performance, and accessibility.
