Krishna Kumar Yadav — Blog https://krishnakky.com/blog Technical articles on microservices, distributed systems, AI-driven development, fintech, and startup lessons. en-us Mon, 05 Oct 2026 21:41:28 GMT Java Virtual Threads in Production: How We Replaced 200-Thread Pools with One Line of Config https://krishnakky.com/blog/java-virtual-threads-spring-boot-production https://krishnakky.com/blog/java-virtual-threads-spring-boot-production A hands-on account of migrating Spring Boot microservices from platform threads to Java 21 virtual threads — what broke, what improved, and the patterns we settled on after three months in production. Mon, 05 Oct 2026 00:00:00 GMT Java Remote Developer Hiring Guide for EU and ASEAN Companies https://krishnakky.com/blog/remote-developer-hiring-guide https://krishnakky.com/blog/remote-developer-hiring-guide A practical guide for European and ASEAN companies looking to hire experienced remote developers from India — timezone overlap, communication, and technical vetting. Sun, 04 Oct 2026 00:00:00 GMT Hiring From Startup to Acquisition: What I Learned Building and Selling a Multi-Vendor eCommerce Platform https://krishnakky.com/blog/startup-to-acquisition-lessons https://krishnakky.com/blog/startup-to-acquisition-lessons What I learned co-founding a multi-vendor eCommerce platform while finishing my M.Tech — from first line of code to signing the acquisition papers. Thu, 01 Oct 2026 00:00:00 GMT Career AI-Driven Development with Claude Code: Running Autonomous Agents Across Microservices https://krishnakky.com/blog/ai-driven-development-claude-code https://krishnakky.com/blog/ai-driven-development-claude-code Running autonomous parallel agents across a 10+ microservice codebase. Custom permission scopes, Git workflow integration, and measurable delivery gains. Mon, 28 Sep 2026 00:00:00 GMT AI & Tooling Building Microservices at 130 Million Requests Per Day https://krishnakky.com/blog/building-microservices-at-scale https://krishnakky.com/blog/building-microservices-at-scale How we architected the AirAsia Move platform for massive scale — circuit breakers, distributed tracing, Kafka event flows, and hard lessons from production. Tue, 15 Sep 2026 00:00:00 GMT Architecture OpenBanking PSD2 API Development: Building Compliant APIs for European Banks https://krishnakky.com/blog/openbanking-psd2-api-development https://krishnakky.com/blog/openbanking-psd2-api-development Building PSD2-compliant APIs for European banks at Oracle Financial Services. OAuth2 flows, regulatory requirements, and cross-border integration challenges. Tue, 08 Sep 2026 00:00:00 GMT Fintech