Medior Java Developer Coolblue Energy

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You ensure that our back-end systems are a bit better every day!
How do I become a Medior Java Developer Coolblue Energy at Coolblue?

Coolblue energy is an energy company for anybody who wants to save energy. Besides providing our customers with green energy, we also give them insight into how to reduce energy usage. As a Java developer you'll work together with other development teams to make our back-end systems work optimally and give our customers the best insight and advice to reduce their energy consumption. In this way you contribute to the green energy transition. Would you also like to become a Java developer at Coolblue Energy? Read below if the job suits you.

You enjoy doing this

• Writing excellent Java code.
• Solving problems with the best practices and principles that we've embraced, such as Clean Architecture, TDD/BDD, SOLID, and design patterns.
• Writing automated tests so you know that the quality of your software is on point.
• Coaching and mentoring your medior/junior colleagues.
• Working with the Customer Journey Specialist to make our customers even happier.
• Helping colleagues and yourself by reviewing pull requests and programming in pairs.
• Working in a team that takes full ownership for their systems.
• Besides improving your technical skills, you love to take time to work on your soft skills and help others with this.

• Bachelor's degree in Computer Science, Software Engineering, or a related field
• 3+ years of professional Java development experience
• Advanced knowledge of Java programming and the Spring Framework
• Strong experience in developing RESTful APIs and microservices architecture
• Experience with cloud platforms such as AWS or Azure
• Proficiency in version control systems, particularly Git
• Familiarity with containerization technologies like Docker and Kubernetes
• Experience with CI/CD pipelines and automated testing
• Knowledge of test-driven development (TDD) practices
• Strong analytical and problem-solving skills with attention to detail
• Java certifications (e.g., Oracle Certified Professional, Java SE 17 Developer) preferred
• Experience in energy sector software development is a plus
• Solid understanding of Agile methodologies and software development life cycle
• You speak English very well

• Money.
• Working together in an international environment with colleagues from the Netherlands, Belgium, Spain, Brazil, Mexico, Italy, and many more. 
• An extraordinarily good work environment. Where we interact as friends and you can just be yourself.
• Monthly drinks, freshly prepared snacks, legendary Coolblue parties and the best team activities.
• A fine balance between working at the office and working from home. Of course, we’ll help you create the best home-office possible. Including desk chair, laptop, and blue garlands.
• Plenty of room for your own ideas, initiatives and choices. You do your work your way.
• Travel allowance, a retirement plan and an allowance when you work from home.
• 25 leave days. As long as you promise to come back.
• A picture-perfect office at a great location. You could crawl to work from Rotterdam Central Station. We recommend just walking for 2 minutes, though.
• With over 100 training courses in our own Coolblue University, you become a little better every day.
• A discount on all our products.