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Redefining Event Ingestion with a Cost-Efficient Design – The Success Story
At scale, the most dangerous four words in engineering are – this is how it’s done. Here’s the story of how questioning that assumption led us to rethink event ingestion from the ground up and cut our infrastructure costs by 90%.
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Smart Search Autosuggestion System at OLX
Search is one of the most-used features on OLX. Every day, millions of users type what they want — sometimes clearly, sometimes not. They might type “dzire car delhi”, “hondaa city”, or “iphone13 pro”.Our job? To make sure OLX understands what a user actually mean — that too instantly. This…
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Building Scalable & Cost Effective Audit Platform
Auditing is a critical component in platforms like OLX India where large volumes of user-generated content and transactions occur daily. It ensures transparency and accountability by recording key activities related to users and ads like account creation, account updates, ad postings, edits, and moderation actions. The audit trail system helps…
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Crafting Better iOS Code with Quality Gates
Maintaining speed without compromising quality is key in iOS development. At OLX, we use tools like Danger, SwiftLint, Periphery, automated tests, and monitoring to build reliable, scalable features while ensuring a seamless user experience.
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Uptime & Latency Monitoring at OLX India
At OLX, reliability is at the heart of everything we do. Even the smallest downtime can impact user trust and business outcomes. While our external services were well monitored, we soon realised our internal services lacked the same visibility—leaving critical blind spots in our observability journey.
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Event House: In-House Event Tracking Powerhouse
Rather than relying on costly third-party tools, our engineering team built EventHouse a scalable, efficient, and cost-effective event-tracking platform tailored to our needs. Read more about it in this blog.