Writing
Useful notes for engineers building systems that matter.
Practical, approachable articles on Java, secure APIs, PKI, encryption, and messaging — written from experience building enterprise financial systems. A curated set is below; the full archive of 20+ posts lives on Medium.
View all articles on Medium ↗Topics
Secure APIs & mTLSPKI & CertificatesJava & EncryptionMessaging & Resilience
Designing Trust Between Machines: How Mutual SSL Secures Banking Notifications
↗ Security / JavaUsing keytool Like a Senior Dev: Credit Card Payments mTLS Playbook
↗ Security / JavaTruststore vs Keystore in Java
↗ Messaging / ResilienceIBM MQ Clustering & High Availability
↗ SecurityMutual SSL Explained: Why Banks Use Two-Way Trust
↗ Encryption / JavaMastering JWE Encryption in Java Using a .p12 Keystore
↗ PKIUnderstanding X.509 Certificates in Depth
↗ PKIWhat the Heck is Public Key Infrastructure (PKI)?
↗This is a curated set — the full archive covers certificate chains, CAs, digital signatures, and more, with new posts added regularly.
Read everything on Medium ↗