01
Application Architecture
Structuring backend applications into clear layers and responsibilities, keeping business logic independent and systems easier to evolve.
Spring BootLayered architectureHexagonal architectureDependency injection
Engineering
ENGINEERING / BACKEND
Building the systems behind the interface.
Backend engineering is where business requirements meet system behaviour. I enjoy designing services that are maintainable, secure, observable, and reliable under real-world conditions.
JavaSpring BootKafkaPostgreSQLAWS
HOW A BACKEND SYSTEM WORKS
API Layer
Receive & validate
Business Logic
Process the request
Data Layer
Persist & retrieve
Clear responsibilities. Predictable communication. Reliable behaviour.
WHAT I EXPLORE
Areas of focus
The building blocks of backend systems.
02
API Design & Security
Building predictable, secure APIs with clear contracts, thoughtful validation, authentication, and authorization.
REST APIsSpring SecurityJWTOAuth 2.0 / OIDC
03
Microservices & Integration
Designing services that communicate reliably while managing coupling, failure boundaries, and distributed workflows.
MicroservicesKafkaEvent-driven architectureService communication
04
Data & Transactions
Understanding persistence, transaction boundaries, consistency, and the trade-offs involved in handling business data.
Spring Data JPAHibernatePostgreSQLTransaction management
05
Performance & Reliability
Building services that remain responsive under load through efficient resource usage, concurrency, observability, and resilience.
CachingConnection poolingResilienceMonitoring
MY PERSPECTIVE
A backend service is only as good as its behaviour when things go wrong.
Beyond implementing business logic, I care about failure handling, data integrity, security boundaries, and making systems observable. These details often determine whether an application is ready for production.
A WAY OF THINKING
01understand_the_requirement();
02define_clear_service_boundaries();
03design_for_failure();
04measure_and_improve();
Good systems aren't just built to work. They're built to handle change, uncertainty, and failure.