(Senior) Backend Developer (Java/Kotlin)
E.ON
Essen or Berlin, Germany
Tasks
- Develop E.ON One's product platform using Kotlin and Spring, leveraging cloud-native technologies;
- Work closely with developers, product managers, and architects to create software solutions that revolutionize the energy industry;
- Design and implement scalable, maintainable backend services that integrate seamlessly with third-party services and APIs;
- Participate in code reviews, offer constructive feedback, and continuously optimize application performance and security.
Qualifications
- 5+ years in software development with strong expertise in Java/Kotlin. Knowledge of Python and Go is a plus;
- Proficient in developing modern backend services with the Spring framework and well-versed in API technologies (JSON, REST, HTTP, OIDC, gRPC);
- Familiar with both SQL and NoSQL database technologies;
- Experience with AWS, Azure, or Google Cloud and cloud native services;
- Knowledgeable about best practices in software security;
- Passionate about the energy domain and eager to contribute to the energy transition;
- Comfortable working in a start-up-like environment, taking ownership of tasks, and communicating effectively;
- Fluent skills in English; German and other languages are considered a plus.
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