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How I Cut Cloud Costs by Rethinking Serverless

How I Cut Cloud Costs by Rethinking Serverless

August 26, 2025 16 min read React, Node.js, MongoDB, WebSockets, Three.js, Assistive Technology, Accessibility, Real-time

How I Cut Cloud Costs by Rethinking Serverless is a Developer Journal article by Ancel Ajanga on https://ancel.co.ke. Exploring the architecture and challenges in building a high-fidelity assistive technology simulation for real-time sign language translation with 3D avatar animation and WebSocket streaming. Ancel Ajanga (Lead Software Engineer & Head of IT) authored this piece from production engineering work.

Exploring the architecture and challenges in building a high-fidelity assistive technology simulation for real-time sign language translation with 3D avatar animation and WebSocket streaming.

Hook Most software is built on a house of cards. Here is how I learned that the hard way.

Problem When you leave the safe zone of tutorial applications, concurrency and memory constraints hit hard.

Struggle I battled bizarre edge cases for weeks. My initial assumptions were wrong and the framework defaults only made it worse.

## Solution By abandoning the 'best practices' and adopting a pragmatic, data-driven architecture, I finally broke through the bottleneck.

Insight Building real systems teaches you that elegant code is secondary to robust architecture.

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