Backend Engineering

Case Studies

Deep dives into scalable systems, architectural patterns, and high-impact backend solutions.

Content Management System (CMS) • Commercial

Next.jsPostgreSQL

Problem

Multiple platforms caused inconsistent content synchronization issues and operational inefficiencies across systems.

Solution

Built centralized CMS using Next.js and PostgreSQL with ACID-compliant workflows.

Impact

Improved content consistency, reduced errors, and enabled reliable cross-platform publishing.

Next.js, TailwindCSS, Drizzle, PostgreSQL

FinTech • Enterprise

Java/SpringPostgreSQL

Problem

Critical financial inconsistencies across platforms due to lack of synchronization.

Solution

Built a strict double-entry ledger system with ACID compliance for all transactions.

Impact

100% elimination of human-related accounting errors in credit cycles.

Thymeleaf, Spring MVC, Hibernate, PostgreSQL

Sports Tech • SaaS

FastAPIPostgreSQL

Problem

Reliance on manual spreadsheets led to high error rates and data fragmentation.

Solution

Implemented robust state machines and a high-performance REST API architecture.

Impact

60% reduction in manual administrative overhead within first quarter.

React, Python (FastAPI), SQLAlchemy, PostgreSQL

JavaScript/TypeScriptNode.js/NestJSPython/FastAPIJava/Spring

OraclePostgreSQLRedisElasticsearchKafka

DockerKubernetesAWS/VPS