Architecture portfolio
Selected architecture across cloud modernization, payments, integration, and AI-enabled engineering. Historical client programmes are summarized and sanitized. Research is labeled as research and is not presented as a released product.
Library
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Monolithic and tightly coupled runtime patterns made change expensive, scaling uneven, and operational ownership unclear.
A production serverless platform with clearer service ownership
AWS · Serverless · Java · API · Eventing
View architecturePayment flows required correctness, auditability, and resilience under integration failure — not only throughput.
A production payments architecture with explicit failure and replay behaviour
Java · Messaging · APIs · Relational data
View architectureInconsistent reference data across systems created reconciliation cost, broken joins, and slow change.
A production reference-data platform used as a shared source for downstream systems
Java · APIs · Relational data · Messaging
View architecturePoint-to-point integrations accumulated hidden coupling, making change risky and failures hard to isolate.
A production messaging backbone with clearer contract ownership
Messaging · Java · APIs
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