Android Developer

Coolblue GmbHRotterdamJob.bopublished 08/24/2026
Must-have:KotlinMobileAgileScrumCI/CDTDD
Machine translation — original language: Dutch.Show original

What 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 devise smart solutions and present them within your team. You embrace feedback on your code and skills with open arms, so that you grow every day. You think along about architecture, tools, and processes, ensuring the app is not only functional but also remains future-proof. You keep a sharp eye on the app's performance, analyze bottlenecks with your team, and continuously improve stability and speed. This is how you build Android apps that make both users and colleagues happy.

What you like to do Building fast, user-friendly Android apps with Kotlin. Discussing and improving your app's architecture to maintain high quality. Challenging solutions so that you deliver minimal viable and valuable software. Working closely with your stakeholders to create an immersive user experience. Collaborating with teammates from different backgrounds and nationalities. Training yourself to get a little better every day – and sharing your knowledge. Utilizing CI/CD and automation to release high-quality code with confidence.

Money. Unprecedentedly 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 nice combination of working in the office and from home. Of course, we ensure you have a top workspace at home. Including an office chair, laptop, and blue streamers. All the space for your own ideas, initiatives, and choices. You do your work your way. Travel allowance, pension scheme, and an allowance for when you work 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 Centraal, it's 3 falls before you arrive. Okay, it's a 2-minute walk. With more than 30 training courses in our own Studiefabriek, you get a little better every day. Discount on all the products we sell.

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 strong in problem-solving and are familiar with principles such as SOLID and TDD/BDD. You find code quality important, and that is reflected in your structure, tests, and reviews. You have experience working in a Scrum team and follow agile methodologies. You get happy from automating and integrating tasks into a CI/CD pipeline. You speak fluent English.

As an Android Developer, you ensure our mobile apps run smoothly and feel great. Whether customers are shopping in the Coolblue app or colleagues are using internal tools: you build features that make an impact using Kotlin. Together with your team, you make our apps a little better every day.