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Backend engineering insights from production, not theory.

Every week I share practical deep-dives on payment infrastructure, distributed systems, and platform architecture — the hard problems I’ve actually solved building fintech products.

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What I write about

Idempotent payment system design patterns

Apache Fineract core banking implementation

Java Spring Boot production tips & architecture

NestJS microservice patterns at scale

PostgreSQL performance & schema design

Event-driven architecture with real examples

Career insights for senior backend engineers

Observability, SLOs, and reliability engineering

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Payments

Designing Idempotent Payment Systems

How to build payment APIs that handle duplicate requests safely without double-charging customers.

Architecture

Webhook Reliability at Scale

Patterns for building webhook pipelines that survive downstream failures, retries, and network issues.