Ayush Donga

• Led development of enterprise SaaS admin platform supporting 10K+ MAU • Improved frontend performance by 35–40% using React & Next.js (SSR/ISR optimization) • Designed scalable NestJS APIs & microservices ensuring 99.9% uptime • Reduced backend latency by ~30% through PostgreSQL, MongoDB, Redis optimization • Cut deployment time by ~50% using AWS (EC2, S3), Docker, and CI/CD pipelines • Built real-time systems (notifications, async processing, scalable APIs) • Mentored engineers & improved delivery speed by ~25% through code reviews and architecture guidance Tech: React, Next.js, TypeScript, Node.js, NestJS, PostgreSQL, AWS, Docker, CI/CD, Jest

• Architected and scaled multi-tenant SaaS platforms serving 15K+ MAU • Built full-stack features using React, Next.js, and NestJS for B2B systems • Designed modular microservices reducing system failures by ~40% • Improved backend performance through PostgreSQL & MongoDB optimization • Led cloud deployments using AWS, Docker, and CI/CD pipelines • Collaborated with product teams to deliver KPI-driven, customer-focused features • Integrated third-party systems (payments, APIs, logistics platforms) Tech: React, Next.js, NestJS, PHP, Laravel, PostgreSQL, MongoDB, MySQL, AWS, GCP, Docker

• Developed full-stack applications using React, Node.js, and PHP (Laravel) • Reduced backend processing time by ~20% through optimization • Improved frontend performance by ~28% with efficient rendering strategies • Implemented secure authentication & role-based access control (RBAC) • Automated deployments using CI/CD pipelines • Reduced production issues by ~35% through better error handling & testing Tech: React, Node.js, PHP, Laravel, MySQL, Redis