Category: Software Architect
What Is Profiling?
A complete guide to software profiling: what it is, how sampling and instrumentation differ, how flame graphs work, and how modern teams run continuous profiling in production across microservices and cloud fleets.
API Versioning
A complete, beginner-to-production guide to every major API versioning strategy, with diagrams, Java code, real company examples, and interview-ready explanations. Opens with the toy-robot analogy that makes the whole discipline click, then traces the history from 1990s SOAP/WSDL through the REST boom, the mobile-and-public-API explosion that forced formal deprecation timelines…
What is Asymmetric Encryption?
A complete beginner-to-production guide to asymmetric (public-key) encryption: the math intuition, the algorithms (RSA, Diffie-Hellman, ECC, Ed25519, ElGamal), how HTTPS, digital signatures, JWTs and mTLS actually work, and how real systems manage keys at scale. Covers history from Diffie-Hellman and RSA through TLS 1.3, the key-distribution problem, public vs. private…
What is At-Least-Once Delivery?
A complete, beginner-to-production guide to at-least-once delivery: what it means (a message will arrive one or more times but never zero times), its history from IBM MQSeries and MSMQ through SQS, Kafka, Pub/Sub and Azure Service Bus, why networks and the Two Generals’ Problem make perfect delivery impossible, the three…
Certifications That Matter for Architect Roles in India
A practical, no-fluff walkthrough of which certifications actually move the needle for Solution, Enterprise, Cloud, and Technical Architect roles across Indian IT — and which ones are mostly resume decoration. Opens with the shift from scar-tissue architects of the early 2000s (senior developers trusted with the whole system diagram after…