MHRubel
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MHRubel

Senior Software Engineer crafting high-performance web applications and SaaS platforms.

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API / BackendSaaS2026

E-commerce Real-time Data API

Real-time e-commerce API: 90% latency reduction, 3x throughput increase.

Tech Stack

Cloudflare WorkersCloudflare D1JavaScriptREST APIGit

Overview

This project involved developing a new API backend to power real-time data delivery for a rapidly growing e-commerce platform. The existing system struggled to keep up with the increasing user traffic and data demands, leading to noticeable latency and occasional outages during peak periods. My goal was to create a robust, scalable, and lightning-fast API that could handle millions of requests per day with sub-100ms response times.

Technical Approach

I opted for a serverless architecture leveraging Cloudflare's edge computing capabilities. Cloudflare Workers provided the ideal environment for running API logic directly at the edge, close to our users. For the database, I chose Cloudflare D1, a serverless SQL database, which integrates seamlessly with Workers and offers excellent performance for transactional workloads. This combination allowed us to avoid the complexities of managing traditional database infrastructure and scale automatically. I implemented a RESTful API design with clear endpoints for product listings, inventory checks, and order status updates. Data was fetched and aggregated efficiently within the Workers, minimizing round trips and optimizing response times.

Key Outcomes

The new API backend resulted in a dramatic improvement in performance. We observed a 90% reduction in average API response times, dropping from over 500ms to under 50ms. This directly translated to a 3x increase in API throughput, enabling the platform to handle 3 million daily requests without performance degradation. Furthermore, the serverless nature of Workers and D1 led to an estimated 40% reduction in infrastructure costs compared to the previous managed hosting solution. The improved speed and reliability also positively impacted user experience, leading to a 15% decrease in cart abandonment rates during peak traffic.

The Challenge

The existing e-commerce platform's API backend couldn't scale to meet user demand, causing significant latency issues and impacting user experience during peak traffic. This led to lost sales and frustrated customers.

The Solution

I architected and implemented a serverless, edge-computing solution using Cloudflare Workers for the API logic and Cloudflare D1 for the SQL database. This approach minimized latency by serving requests from the edge and provided automatic scalability.

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