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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Intermediate Java Developer (all genders) - **Company:** Hubject GmbH - **Location:** Berlin, Germany (Remote available) - **Experience:** Experienced - **Contract:** Temporary contract - **Skills:** Java (Programming Language), Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, User Authentication, Automation of Tests, Cloud Computing, Code Review, Relational Databases, Software Design Patterns, DevOps, Java Web Services, Junit, Open Web Application Security, E2e Testing, Mockito, Secure Coding, Service Pack, Software Construction, Software Systems, Spring-boot, Software Security, Backend, Amazon Relational Database Service, Performance Monitor, Functional Programming, Restful APIs, Microservices - **Published:** August 5, 2026 - **Apply:** https://www.adzuna.de/details/5828538658 ## About the Role * You have 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, along with 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, with knowledge of protocols such as OCPI, OCPP, or OICP considered a strong plus. Language Company language is English (fluent skills required) Start date ## Description Berlin, Berlin, 10829 Befristet Vollzeit Your challenge In the role of Java Developer, (all genders) at Hubject, you will design, develop, and maintain software solutions that power Hubject's eRoaming platform and charging services for our international clients, contributing hands-on to the architecture and delivery of scalable, high-performance backend systems, while also ensuring their ongoing operational stability through ongoing monitoring, maintenance, and support. Please note that due to planning reasons, this role is currently limited to a 2-year-contract. Why Hubject 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 AND We have over 30 benefits different categories: * Food & drinks (food subsidy on the Euref-Campus restaurants) * Mobility (BVG subsidy) * Health & sports (Urban sports membership M) * Equipment (Laptop etc) * Learning and development (yearly training budget and Udemy learning platform access) * Hubject Lifestyle (Voiio membership) * Family-friendly environment (flex working time) Your Tasks * 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. ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [How Unit Testing Saved My Career](https://www.wearedevelopers.com/videos/1642-how-unit-testing-saved-my-career) - [Local Candidates vs International Talent - Building the Very Best Dev Team](https://www.wearedevelopers.com/videos/1067-local-candidates-vs-international-talent-building-the-very-best-dev-team) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) ## Related Articles - [Finding Jobs in Germany](https://www.wearedevelopers.com/magazine/375-finding-jobs-in-germany) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [How to Find Tech Jobs in Berlin](https://www.wearedevelopers.com/magazine/291-how-to-find-tech-jobs-in-berlin) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [The Biggest German Tech Companies](https://www.wearedevelopers.com/magazine/424-the-biggest-german-tech-companies)