Thoughts & Insights
Blog
Notes on cloud architecture, AWS migrations, payments work at Telered, and lessons from shipping production systems.
Bridging On-Prem BankCore to AWS: Building a PCI-DSS Tokenization Platform
Notes from building a credit card tokenization system at Telered — Node.js on AWS Lambda, talking to legacy BankCore servers across a Fortinet site-to-site VPN, under PCI-DSS scope.
Read ArticleThe AWS Architect Specialization Path: What I'm Learning, in Order
A working engineer's notes from the AWS Cloud Solutions Architect specialization — what each course actually teaches, what's worth your time, and what you can skim.
From Laravel Monolith to Cloud-Native: A Strangler-Fig Migration Playbook
Three years of shipping production systems on PHP/Laravel taught me what to keep, what to replace, and how to migrate to AWS without breaking the thing that's currently paying the bills.
Cryptographic Signing in the Browser: Building an e-Signature System with PKCS#11
How we built legally-binding electronic signatures for the Supreme Court of Justice of Panama — bridging modern browsers to smart card hardware via a local agent and a clean PKCS#11 contract.