This post explains how Grab enabled R8 optimization for their large-scale Android app by developing AI-assisted debugging techniques to overcome three core challenges.

Engineering

OpenAI

31 min read

AI•2026-03-11

From model to agent: Equipping the Responses API with a computer environment

This post explains how OpenAI built an agent runtime by equipping the Responses API with a computer environment.

Engineering

Databricks

31 min read

Data Engineering•2026-03-06

LogSentinel: How Databricks uses Databricks for LLM-Powered PII Detection and Governance

Databricks introduces LogSentinel, an LLM-powered internal system for continuous PII detection and data governance across evolving schemas.

Reclaiming Terabytes: Optimizing Android image caching with TLRU

This post details how Grab evolved their Android image caching from LRU to TLRU (Time-Aware Least Recently Used) to reclaim storage without degrading user experience.

From Tribal Knowledge to Instant Answers: Building Reffy on Databricks

Databricks built Reffy, an internal RAG-based app enabling 1,800+ sales and marketing employees to discover and analyze 2,400+ customer references.

The most-seen UI on the Internet? Redesigning Turnstile and Challenge Pages

This article details Cloudflare's comprehensive redesign of their Turnstile widget and Challenge Pages, UI components served 7.67 billion times daily.

Flexible Node Types Are Now Generally Available

Flexible Node Types are now generally available, offering more options for securing compute capacity during high-traffic periods.

Engineering

Cloudflare

161 min read

Architecture•2026-02-13

Shedding old code with ecdysis: graceful restarts for Rust services at Cloudflare

Cloudflare open-sourced ecdysis, a Rust library enabling zero-downtime graceful process restarts for high-traffic network services.

Cursor at Grab: Adoption and impact

This post details how Grab scaled adoption of the Cursor AI coding assistant across engineering and non-technical teams, sharing key metrics and productivity findings.

Docker lazy loading at Grab: Accelerating container startup times

Grab's data platform team implemented Docker image lazy loading using eStargz and SOCI technologies to reduce container startup times for Airflow and Spark Connect.

From deployment slop to production reality: How BriX bridges the gap with enterprise-grade AI infrastructure

This article introduces BriX, a platform that transforms AI prototypes into enterprise-grade production tools without requiring deep DevOps expertise.

Demystifying user journeys: Revolutionizing troubleshooting with auto tracking

Grab's engineering team developed AutoTrack SDK to automatically capture complete user journeys in the Grab mobile app, eliminating gaps caused by manual event instrumentation.

Data Engineering•2025-12-18

How Grab is accelerating growth with real-time personalization using Customer Data Platform scenarios

Grab built 'Scenarios' in their CDP to enable real-time personalization beyond daily batch updates.

A Decade of Defense: Celebrating Grab's 10th Year Bug Bounty Program

Grab celebrates the 10th anniversary of its bug bounty program in partnership with HackerOne, reflecting on a decade of collaborative security research.

Data Engineering•2025-11-26

Real-time data quality monitoring: Kafka stream contracts with syntactic and semantic test

This post introduces Coban, Grab's platform for real-time Kafka stream data quality monitoring using user-defined data contracts with syntactic and semantic test rules.

SpellVault’s evolution: Beyond LLM apps, towards the agentic future

This article describes how Grab's internal AI platform SpellVault evolved from a no-code LLM app builder into an agentic AI platform capable of reasoning and acting dynamically.

Grab's Mac Cloud Exit supercharges macOS CI/CD

Grab migrated its macOS CI/CD infrastructure from a US cloud vendor to a self-owned colocation cluster in Malaysia, achieving major cost and performance gains.

Machine Learning•2025-11-04