@safdarwahid
Technical Lead | Magento | Certified AWS Solutions Architect | Site reliability Engineer | Devops | Kubernetes
I am a results-driven Cloud Services Specialist, specializing in AWS, Terraform, and Magento eCommerce. With expertise in Optimizing Magento Hosting, boosting performance, and providing responsive Cloud Support, I ensure seamless and efficient cloud-based operations for businesses. My skills include implementing AWS SRE practices, utilizing Terraform for IaC, and delivering tailored solutions for Magento eCommerce platforms. With a commitment to excellence, I guarantee reliable and high-performance cloud architectures that elevate businesses to new levels of success. I have also managed various staging and production Ubuntu 14.04, 16.04 & AWS Linux servers, participated in deep architectural discussions to build and provide architectural solution on the AWS services platform. I am a very energetic and always love to accept challenges and like to work in competitive environment. Along with my programming capabilities, I have a very strong knowledge of Software Engineering i.e. Full stack development in Node.JS and Angular.
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2d ago · 10 min read · TL;DR Rate limiting protects backends and ensures fair usage. Fixed window is simplest but bursty at edges. Token bucket allows controlled bursts. Return 429 Too Many Requests with Retry-After header
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3d ago · 10 min read · TL;DR Event loop must never block. Sync file reads, heavy CPU work, and long loops freeze all requests. Use async APIs (fs.promises), offload CPU to worker threads, and chunk large arrays with setImm
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