https://someshghosh.com/blog Software engineering, interview experiences, technical deep-dives, and AI insights by Somesh Ghosh (#someshjoyguru). en-us https://someshghosh.com/blog/gate-da-complete-guide https://someshghosh.com/blog/gate-da-complete-guide Sun, 10 May 2026 00:00:00 GMT Comprehensive guide on mastering Linear Algebra, Probability, Machine Learning fundamentals, and Data Structures to crack GATE Data Science & AI with an AIR of 418. Career https://someshghosh.com/blog/the-moms-test-honest-customer-feedback https://someshghosh.com/blog/the-moms-test-honest-customer-feedback Fri, 03 Apr 2026 00:00:00 GMT If users praise your MVP but never return, you're likely asking the wrong questions. Here's how The Mom's Test helps founders collect real signals instead of polite noise. Tips https://someshghosh.com/blog/prompt-caching-cut-ai-agent-bills https://someshghosh.com/blog/prompt-caching-cut-ai-agent-bills Thu, 12 Mar 2026 00:00:00 GMT Every turn your AI agent takes, the entire conversation history gets re-processed and re-billed. Prompt caching fixes this by storing prefixes on the server side. Here is how to implement it. Technical https://someshghosh.com/blog/hackerrank-swe-internship-experience https://someshghosh.com/blog/hackerrank-swe-internship-experience Mon, 16 Feb 2026 00:00:00 GMT Inside my software engineering internship at HackerRank: designing AI recruiting agents, building Skillgrep for natural language candidate search, and lessons learned. Experience https://someshghosh.com/blog/bny-internship-ppo-guide https://someshghosh.com/blog/bny-internship-ppo-guide Wed, 14 Jan 2026 00:00:00 GMT How I secured an 'Exceeded Expectations' rating and a PPO at Bank of New York Digital Assets working on smart contracts and financial schedulers. Interview