@manojuppala
About
I write about backend and cloud engineering from a practitioner's perspective. Topics include system design, serverless architecture on AWS, performance trade-offs, and building reliable systems at scale. The goal is to share practical insights that help engineers build systems that are easier to scale, monitor, and maintain.
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Manoj Uppala's blogs
Recently published
AWS API Gateway Websocket With Lambda
Jan 4 · 6 min read · Real-time communication is a core requirement for modern applications like chat apps, live dashboards, multiplayer games, and notifications. AWS makes this easier with API Gateway WebSockets and AWS Lambda, allowing you to build scalable, serverless,...
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How to Use Chrome Dev Tools for Mocking API Responses Locally
Sep 20, 2025 · 2 min read · Have you ever wondered if you could mock the API responses while working on a project where the deployment cycle is long, APIs aren't ready, or if you're a QA tester and want to test how the frontend reacts to different API responses? Local overrides...
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Understanding Polyfills and Transpilers in JavaScript
Sep 8, 2025 · 5 min read · Modern JavaScript development comes with unique challenges because the language is evolving quickly with new features and syntax, while still needing to work with older browsers and environments. This blog explores two important tools that help devel...
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