As an Android Developer, you ensure our mobile apps run smoothly and feel great to use. Whether customers are shopping in the Coolblue app or colleagues are using internal tools, you build impactful features with Kotlin. Together with your team, you make our apps a little better every day.
- Employer
- Coolblue
- Location
- Rotterdam City, Rotterdam, ZH
- Pay
- €14.99/hour
- Hours
- 36-40 uur
- Language
- Dutch only
- Apply method
- Coolblue website
- Posted
- 24 Aug 2026
- Open until
- Not listed
As an Android Developer, you ensure that our mobile apps run smoothly and feel great to use. Whether customers are shopping in the Coolblue app or colleagues are using internal tools: you build impactful features with Kotlin. Together with your team, you make our apps a little better every day.
What do you do as an Android Developer at Coolblue?
As an Android Developer, you build intuitive, fast, and reliable Android experiences using modern Kotlin and Android best practices. You work closely with designers and stakeholders to come up with smart solutions and present them to your team. You embrace feedback on your code and skills, so you grow every day. You contribute ideas on architecture, tools, and processes, ensuring that the app is not only functional but also remains future-proof. You keep a close eye on the app's performance, analyze bottlenecks with your team, and continuously improve stability and speed. This way, you build Android apps that make both users and colleagues happy. Here's what you enjoy doing
- Building fast, user-friendly Android apps with Kotlin.
- Discussing and improving your app's architecture to maintain a high level of quality.
- Challenging solutions so that you deliver minimal viable yet valuable software.
- Working closely with your stakeholders to create an engaging user experience.
- Collaborating with teammates from different backgrounds and nationalities.
- Training yourself to become a little better every day – and sharing your knowledge.
- Using CI/CD and automation to release high-quality code with confidence
This is you
- You have a technical bachelor's or master's degree, for example in Computer Science.
- You have at least 3 years of experience as an Android Developer and have built large-scale mobile apps.
- You are a strong problem solver and are familiar with principles such as SOLID and TDD/BDD.
- Code quality matters to you, and this is reflected in your structure, tests, and reviews.
- You have experience working in a Scrum team and follow agile practices.
- You enjoy automating and integrating tasks in a CI/CD pipeline.
- You speak fluent English.
- You live in the Netherlands
What else you're looking for in a job
- Money.
- An unbelievably good working atmosphere. Where we treat each other like friends and you can simply be yourself.
- Monthly drinks, freshly prepared snacks, legendary Coolblue parties, and the best team activities.
- A great combination of working in the office and from home. Of course, we make sure you have a top-notch workstation at home. Including an office chair, laptop, and blue streamers.
- Plenty of room for your own ideas, initiatives, and choices. You do your work your way.
- Travel allowance, pension scheme, and an allowance for working from home.
- 25 vacation days. If you promise to come back.
- An office you'll want to take photos of in a prime location. From Rotterdam Central Station, it's 3 falls before you get there. Okay, it's a 2-minute walk.
- More than 100 training courses in our own Studiefabriek to become a little better every day.
- Discount on everything we sell.