Osama M.

Osama Mahmoud is a skilled Backend Engineer with expertise in Node.js, Spring Boot, PostgreSQL, and Docker. He specializes in building scalable systems, optimizing backend performance, and designing efficient database solutions. As a Top-Rated Freelancer on Upwork, Osama has successfully delivered projects for E-Commerce, Real Estate, Task Management, and CRM platforms, leveraging technologies like Java, Spring Boot, Node.js, and microservices.

His experience includes:

Developing and optimizing REST APIs, authentication systems, and real-time features (WebSockets, Kafka).

Implementing secure microservices using Keycloak, Spring Security, OAuth2, and JWT.

Deploying and managing applications with Docker, Kubernetes, CI/CD pipelines, and cloud infrastructure.

Enhancing database performance through query optimization, indexing, and concurrency control.

Osama holds a Bachelor’s degree in Computer and System Engineering and is passionate about backend development, problem-solving, and delivering high-performance solutions. His technical skills span Java, TypeScript, PostgreSQL, MongoDB, Redis, and DevOps tools.

He is dedicated to delivering reliable, scalable, and efficient backend systems tailored to client needs.