April 30, 2026 · 4 min read
5K+ loans per month. Three credit bureaus. Multiple payment gateways. The thing that has to be right is the ledger. Notes on what invariants the database enforces vs what the application enforces.
GoPostgreSQLFinTechLendingAccounting
April 29, 2026 · 4 min read
Borrower onboarding is the most fraud-prone moment in a P2P platform. The shape that worked: deterministic KYC, parallel bureau pulls with fallback, real-time fraud signals, and a maker-checker approval for every disbursement.
KYCAMLLendingFraudRBACFinTech
April 28, 2026 · 4 min read
100K+ votes, 10K+ concurrent users during a live AFL Brownlow Medal broadcast. The architecture: Go on Cloud Run, GraphQL + gRPC behind a CDN, vote integrity through Cloud KMS + Security Command Center. Notes on what makes a live-broadcast load shape unusual.
Cloud RunGoGraphQLgRPCKMSLive Events
April 27, 2026 · 5 min read
30 minutes on stage. The talk title looked tactical; the talk underneath was about why most microservices migrations fail and how to set up the one that doesn't.
SpeakingMicroservicesGoogle Cloud NextArchitecture
April 26, 2026 · 5 min read
Seven cycles. Ten-plus students. Most shipped, a few didn't, all of them taught me something about engineering culture. Notes on what works for mentors and what works for students.
GSoCOpen SourceMentorship
April 25, 2026 · 4 min read
What it actually takes to build a unified cloud API library — and why "write once, run anywhere" still doesn't quite work, even for the patterns where it almost does.
GoMulti-CloudOpen SourceAPI Design
April 24, 2026 · 19 min read
Every Professional Cloud Security Engineer exam bullet, mapped to a file path in an RBI FREE-AI aligned Go platform. Where the implementation matches, where the analog substitutes, and where the honest gaps are.
SecurityGCPPCSEMulti-Agent AIGo
April 23, 2026 · 4 min read
The mental model that says no two adjacent layers share a single point of failure for the same class of attack. From TLS to OTel, the eleven layers a customer request crosses before an answer comes back.
SecurityArchitectureMulti-Agent AIFREE-AI
April 22, 2026 · 32 min read
The long-form security narrative for a multi-agent financial assistant — authentication, authorisation, tenant isolation, dual-identity audit, envelope encryption, hash-chained logs, governance, red team, BCP.
SecurityArchitectureFREE-AI
April 21, 2026 · 13 min read
Board policy as a YAML file the risk team owns. Annexure VI as a database query. Every governance recommendation rendered as a file path in a Go repository.
GovernanceFREE-AIComplianceMulti-Agent AI