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About the Role

As a Java Developer at Hubject, you will design, develop, and maintain software solutions for the eRoaming platform and charging services, contributing to scalable backend systems and ensuring their operational stability.

Responsibilities

• Design, develop, and maintain robust, scalable Java-based applications and microservices for the global automotive and eMobility sector.
• Write clean, secure, well-tested, and maintainable code following software engineering best practices and design patterns.
• Take full ownership of features and components, driving their implementation independently from development through delivery.
• Participate in code reviews, technical design discussions, and architecture decisions to ensure high-quality, scalable solutions.
• Ensure the reliability, performance, and timely delivery of global systems while continuously improving existing applications through monitoring, optimization, updates, security patches, and troubleshooting production issues.
• Support operational excellence through proactive monitoring, incident response, and root-cause analysis to maintain platform stability.
• Contribute to the team's success with an entrepreneurial mindset, flexibility in solving technical challenges, and a strong commitment to delivering exceptional user experiences.

Requirements

• At least 4+ years of professional experience in Java development, with a strong track record of building and maintaining complex, scalable software systems.
• Solid knowledge of Java, Spring/Spring Boot, RESTful APIs, relational databases, and microservice architectures.
• Experience in cloud-native development on AWS (e.g., EC2, S3, Lambda, RDS).
• Experience with automated testing and modern DevOps practices, including unit, integration, and end-to-end testing (e.g., JUnit, Mockito) as well as CI/CD pipelines.
• Good understanding of secure coding practices and application security principles, including OWASP, authentication/authorization, and data protection.
• Strong collaboration and communication skills, with the ability to work effectively in cross-functional, matrix organizations and partner closely with product and business stakeholders.
• A goal-oriented, structured, and detail-focused mindset, with a strong sense of ownership and a passion for teamwork.
• Openness to international collaboration, new technologies, and eMobility.
• Fluent English skills required.

Skills

• Java
• Spring/Spring Boot
• RESTful APIs
• Relational databases
• Microservice architectures
• AWS (EC2, S3, Lambda, RDS)
• Automated testing
• DevOps practices
• CI/CD pipelines
• Secure coding practices
• Application security principles
• OWASP
• Authentication/authorization
• Data protection
• OCPI
• OCPP
• OICP

Location

• Onsite in Berlin
• Hybrid system: 2 days per week at the office, 3 days remote

Work Type

• Hybrid

Experience Level

• 4+ years of professional experience in Java development

Benefits

• Food subsidy on the Euref-Campus restaurants
• BVG subsidy
• Urban sports membership M
• Laptop
• Yearly training budget
• Udemy learning platform access
• Voiio membership
• Flex working time

About the Company

• Hubject is the market and innovation leader in the eMobility sector.
• We develop ideas and deliver solutions for the eMobility market.
• We are working on the most important growth topics.
• We are an international team of very motivated eMobility enthusiasts.
• Hubject simplifies the charging of electric vehicles.
• Through its eRoaming platform, called intercharge, the eMobility specialist connects Charge Point Operators or CPOs and eMobility Service Providers or EMPs, thus providing standardized access to charging infrastructure regardless of any network.
• With over one Million connected charging points and more than 2250 B2B partners across 63 countries and four continents, Hubject has established the world’s largest cross-provider charging network for electric vehicles by connecting CPO networks.
• Hubject is a trusted consulting partner in the eMobility market, advising automotive manufacturers, charging providers and other EV-related businesses looking to launch eMobility services or implement Plug&Charge using ISO 15118.
• Hubject promotes eMobility and its advancement worldwide.
• Founded in 2012, Hubject is a joint venture of the BMW Group, Bosch, EnBW, Enel X, Mercedes-Benz, E.on, Siemens, and the Volkswagen Group.
• Hubject’s headquarters is located in Berlin, with subsidiaries in Los Angeles and Shanghai.

Equal Opportunity

• At Hubject, we are dedicated to building a diverse and inclusive workforce. We welcome candidates of all backgrounds and experiences.