WL
Software Engineer
Wassim Lagnaoui

Java Backend Engineer: Building Production-Ready Systems

I design and ship scalable backend systems with Java, Spring Boot, and Kafka. I also write tutorials and articles about what I build, so you can see exactly how it works.

What I build with

  • Java 17 · Spring Boot 3 · Spring Cloud
  • Apache Kafka · Event-driven architecture
  • PostgreSQL · Hibernate JPA
  • Docker · Kubernetes · Jenkins CI/CD
  • React · Vite · Tailwind CSS

Projects

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Skills

Core

Java Spring Boot REST APIs SQL Hibernate/JPA

DevOps & Databases

Docker Kubernetes Jenkins Maven PostgreSQL Oracle

Frontend

React Vite Tailwind CSS TypeScript JWT/OAuth
Also: JUnit, Mockito, Swagger/OpenAPI, Git/GitHub, Prometheus/Grafana (basic).

Writing

I write about what I build, so you can see how it actually works.

Contact

Open to backend roles, consulting, and collaborations.