ARAshutosh Rathinashublog.hashnode.dev·4d ago · 7 min readSkill Atrophy in the Age of AI Assistance: What the Evidence Shows, and How to Measure It on YourselfThe claim, stated plainly AI assistance makes you faster today and can make you worse underneath, the erosion is measurable, and you cannot feel it happening. That last part is the dangerous one. In e00
ARAshutosh Rathinashublog.hashnode.dev·Jun 2 · 12 min readBehavioral Regression Testing for AI Agents: Introducing agentcheckSoftware testing has solved hard problems over the past few decades. Property-based testing, mutation testing, snapshot testing, fuzz testing. But none of that infrastructure was built with AI agents 00
ARAshutosh Rathinashublog.hashnode.dev·May 26 · 7 min readLaunching LLM Gateway: Building a Control Plane for LLM ReliabilityRepo: ashutosh-rath02/llm-gateway Why Build Another Layer Around LLMs? Most teams do not begin with a gateway. They begin with a single feature, a provider SDK, one prompt, and a direct API call insi00
ARAshutosh Rathinashublog.hashnode.dev·Jan 17 · 6 min readUnderstanding what’s behind “Where is my train”When Google acquired “Where’s My Train” in 2018, I got curious about how they built a system that tracks 14,000 trains daily across India’s railway network — especially in areas with terrible connectivity. After diving deep into the architecture and ...00
ARAshutosh Rathinashublog.hashnode.dev·May 3, 2025 · 16 min readHow to Build Your Own Search Engine: A Step-by-Step GuideUnderstanding what’s running under the hood. Six months ago, I was frustrated with the search functionality in the document management system we use at work. It couldn't handle typos, didn't understand synonyms, and completely missed finding related...00
