Mateusz Kumkowski

• Full Stack Java Developer with 2+ years of experience building scalable, secure, and cloud-native applications using Java 8/11/17, Spring Boot, Hibernate, and ReactJS. • Specialized in developing RESTful APIs, designing microservice architectures, and building responsive UIs with HTML5, CSS3, and JavaScript frameworks. • Hands-on experience deploying applications on AWS and Azure using Docker, Terraform, and CI/CD pipelines via Jenkins. • Strong knowledge of backend integration with PostgreSQL, MongoDB, and RabbitMQ/Kafka messaging systems. • Skilled in implementing user authentication with JWT and Spring Security for secure web services. • Experienced in Agile/Scrum environments, managing code repositories via Git and collaborating on cross-functional teams. • Dedicated to continuous learning, clean coding practices, and delivering high-performance software solutions.