Puneet Khandelwal (@lifestyle4u) | Hashnode

Puneet Khandelwal

@lifestyle4u·Bangalore, India·Joined April 2026

About

Nothing here yet.

Available for

Nothing here yet.

Puneet Khandelwal's blogs

Stop Testing LLMs With Vibes
Most engineering teams evaluate model outputs the same way product managers review wireframes. They open a chat interface, type a prompt, look at the result, and decide it feels right. This is a terrible way to ensure quality.
Comment 13h ago · 3 min read
Read more

When State Welfare Algorithms Learn to Exclude the Vulnerable
When a municipal welfare department swaps human caseworkers for predictive risk scoring, bugs don't show up as stack traces. They show up as evicted families. Engineers spend endless cycles speeding up the services to chase bugs that only become visible through the impact on end users.
Comment 1d ago · 2 min read
Read more

The Hidden Latency Tax of Autonomous AI Agents in Microservices
Most microservices architectures were optimized for the wrong bottleneck. We spent the last decade carving monoliths into distributed systems to match Conway's Law and independent deploy cadences.
Comment 1d ago · 3 min read
Read more

Parsing Global Economic Signals: 2026 Financial and Geopolitical Trends
When distributed financial systems stress out, engineers trace bottlenecks and check network queues. National economies run on a similar architecture. Policy decisions act like rate limits, and regulatory changes can create bottlenecks across the board.
Comment 2d ago · 3 min read
Read more

Refactoring working code is just developer procrastination
Every engineer knows the itch. You look at a function written months ago, and suddenly the control flow offends you. The variable names feel pedestrian. The design pattern lacks the elegance you read about in programming books.
Comment 3d ago · 3 min read
Read more