Medior Java Developer Energy.

Rotterdam36 - 40 hoursUniversity

You ensure that our back-end systems are a bit better every day!

What does a Medior Java Developer Energy at Coolblue do?

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.

Writing excellent Java code.
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.

You recognize yourself in the following

Bachelor’s degree in Computer Science, Software Engineering, or a related field.
3+ years of experience in Java development, including strong knowledge of the Spring Framework.
Hands-on experience with building RESTful APIs and working in a microservices architecture.
Familiarity with cloud platforms like AWS or Azure, and container technologies such as Docker and Kubernetes.
Comfortable working in Agile teams, with experience in CI/CD, automated testing, and test-driven development.
Proficient in version control systems like Git, with strong problem-solving skills and attention to detail.
Excellent communication and teamwork skills; experience in the energy sector is a plus.

This is what you’re looking for in a job

Develop and maintain Java-based applications using Spring Framework and microservices architecture.
Design and implement RESTful APIs to support our energy management systems.
Collaborate with cross-functional teams to gather requirements and translate them into technical specifications.
Write clean, efficient, and well-documented code adhering to best practices and coding standards.
Participate in code reviews and provide constructive feedback to team members.
Troubleshoot, debug, and optimize Java applications for maximum performance.
Implement and maintain CI/CD pipelines to ensure smooth deployment processes.
Stay up-to-date with emerging trends and technologies in Java development and the energy sector.

Application process

Apply.Go for it.
Apply
Leave your details and you'll hear as soon as possible whether you're moving on to the next round.
Phone call.It's for you.
Phone call
We’d like to get to know you a bit better during a phone call. In this conversation, we’ll ask about your motivation for Coolblue and the role.
1st round.Ready, set, go.
1st round
We’ll continue the conversation so we can ask each other all kinds of questions. This will give you a clearer idea of the role and help us get a better picture of your experience.
2nd round.Go for the fridge.
2nd round
A final moment to dive even deeper into the role and ask each other any last burning questions.
Contract.I do.
Contract
Yes! We’re a match. You’ll receive a contract from us. Just sign it, and it’s official.