Java Developer, Spring Boot

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🕒 March 18

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LUMASERV

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2015

☁️ SaaS

🤝 B2B

🔒 Cybersecurity

SaaS • B2B • Cybersecurity

LUMASERV is a managed cloud software and operations company that helps organizations run, scale and secure complex applications in the cloud. The company provides cloud computing infrastructure, managed Kubernetes, hosting, domain services, and an API-driven interface for provisioning and auto-scaling, together with DDoS protection and ISO 27001–aligned security and compliance services. LUMASERV serves businesses and public-sector customers from its German offices and supports large-scale deployments used by millions of end users.

📋 Description

• Implementation of backend solutions using modern web frameworks, with a focus on Spring Boot • Design and development of RESTful APIs • Writing and maintaining automated software tests to ensure code quality • Collaborating with frontend developers to design efficient API contracts • Conducting regular code reviews and promoting best practices • Implementing security standards and mitigating common security vulnerabilities • Working with databases to design efficient data models

🎯 Requirements

• Extensive professional experience in Java backend development • Strong expertise in Spring Boot (or comparable modern frameworks such as Quarkus) • Solid understanding of object-oriented programming, dependency injection, and design patterns • Experience in designing and optimizing databases (MySQL, MariaDB, Redis) • Proficient with automated testing (JUnit, Mockito) • Familiarity with HTTP REST interfaces and API documentation formats (Swagger/OpenAPI) • Experience with agile methodologies (Kanban, Scrum) • Good understanding of web security principles and common vulnerabilities

🏖️ Benefits

• Flexible working • Modern technical equipment • Short decision-making paths • Responsibility and opportunities to shape projects