#Spring Boot
2 posts · All tags
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Migrating From Java Spring Boot to Rust: Memory From 734 MiB to 32 MiB in One Cutover
My lending platform's backend went from Java 21 to Rust in one cutover with contracts and data intact: memory 734 MiB to 32 MiB, startup 30 s to about 0.03 s, API latency about the same.
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From a FastAPI Script to a Spring Boot SaaS: Rebuilding My Bitfinex Auto-Lending Platform
A Bitfinex auto-lending side project rewritten from a good-enough FastAPI script into a multi-module Spring Boot and Next.js platform with idempotency, reconciliation, circuit breaking, and full monitoring.