Senior Backend Engineer (Kotlin + Java)

About the project

Our client is a leading German producer of customized solutions for the self-supply of solar-powered electricity. Their portfolio includes photovoltaic systems, energy storage, and cloud technology solutions that empower individuals to achieve energy independence. 

Driven by innovation and passion, the company actively promotes the energy transition by developing pioneering products and integrated systems that maximize independence and sustainability through self-generation of solar electricity.

Your Role

As a Senior Backend Developer, you will play a key role in designing, developing, and maintaining scalable backend systems that support next-generation renewable energy products. You’ll work with a modern tech stack and collaborate closely with cross-functional teams to create reliable, high-performance software that drives the company’s mission of sustainable energy independence.

Responsibilities

• Design, develop, and maintain backend services using Kotlin and Java

• Build and manage microservices architectures and ensure seamless integration across systems

• Implement and maintain containerized applications using Kubernetes

• Collaborate on continuous integration and delivery using CI/CD pipelines

• Manage and optimize databases and ensure data reliability

• Monitor, troubleshoot, and optimize performance through effective logging and monitoring tools

• Contribute to architectural decisions and promote best coding practices

  
  

Your Profile

• Strong professional experience with Kotlin and Java

• Expertise with Spring Boot framework

• Solid understanding of microservices architectures

• Hands-on experience with Kubernetes and containerization technologies

• Proficiency in Git, CI/CD, and modern DevOps practices

• Familiarity with database design and management

• Passion for renewable energy and sustainable technology is a plus

  
  

What We Offer

• Opportunity to contribute to the energy transition and sustainability goals

• Work with a modern tech stack and innovative team

• Competitive salary and benefits package

• Flexible working environment (remote/hybrid)

• Meaningful work that helps people achieve energy independence