
Become a pillar in the Kotlin community
With our growth in the Kotlin space, we’re looking for engineers that love to spread knowledge and are ready for their next step! In this role, you love to take the lead in guiding organizations in their Kotlin journey. You’ll also help to grow the community by being active at (our own) Kotlin events.
This is your dream job if:
- You want to be part of a movement that loves Kotlin and organizes many knowledge-sharing events, like Kotlin Dev Day
- You are eager to learn but also love to share your own knowledge
- You want to be more than just a code monkey
- You like to be a part of our Kotlin Training Team and spread the word as an advocate at events throughout the world
- You want to be part of a team that focuses on personal development, team development, and having fun together

Can code improve healthcare? At Quin, our answer is a resounding ‘yes!’
Help us build the future of healthcare.
At Quin, we build purposeful code. Code that powers an AI-driven app that lets users identify health issues, and ‘automagically’ connect with medical professionals who can instantly assess symptoms.
- You’ll build in Kotlin (yes, we can get you up to speed or even certified in no time flat);
- We accelerate the learning curve through our (buzz incoming) new & improved career development program, which helps you plot the optimal Quin course and empowers you to reach your goals quicker;
- You also get ‘paid learning time’ to pursue personal and professional growth;
- Click “Learn more” for… well, more.

Short description: As Software Engineer, you will join one of our product teams. We believe in ownership, and you will have a mandate (together with your team) to develop features end-to-end. At bol.com, we are big on autonomy, and that makes us strong: we expect you to make all (technical) choices along the way but also to assume ownership when things go awry. You build it – you run it – you love it is our mantra, and we live it every day.

Adyen is looking for full-time Android Software Engineers to help us conquer the world of mobile payments. You’ll be working in a young and motivated team with a lot of room to start new initiatives and take ownership. Besides having an open and entrepreneurial mindset, we expect you to be experienced in Android development, both from an implementation and architectural point of view. Join us on the journey of reimagining the way people pay on mobile and take your part in revolutionizing the payment industry!

Als Android developer maak je met jouw werk écht maatschappelijke impact.
Wat ga je doen?
Als Android developer met ervaring zorg jij voor de ultieme NPO gebruikerservaring en weet je intuïtieve en slimme mobiele apps te schrijven. Je werkt nauw samen met ons multidisciplinair team en denkt mee over nieuwe app producties.
Impact maken met jouw werk? Dat kan als je bij NPO komt bouwen aan apps van NPO Radio 1, 2, 4 en 5, NPO 3FM, FunX en NPO Luister.
Je werkt met:
Kotlin en Java;
Android SDK, Android Studio, Android JetPack (waaronder LiveData en ViewModel), RxJava, Dagger, Jira en Confluence;

The NS app is being used by more than 4 million travelers every month. With the team, we are both responsible for building and maintaining both the front- and backend. This means that we can quickly create new functionalities and keep them in production, in other words: “You build it, you run it!”. There is a lot of freedom to experiment with new technologies.
Thanks to your experience and eye for quality, you add value by:
• Creating and maintaining our API’s;
• Contributing to ideas and working on architectural choices and implementations;
• Collaborating with other teams to unlock functionality in the app.

If you enjoy solving complex engineering problems and working with a world-class engineering team, then we have an opening just for you!
If this is not you, but you’d like to continue learning Android development while contributing to a high-performance SDK, then we also want to hear from you.

The Deploy and Release team at CircleCI is focused on building continuous deployment and release orchestration capabilities in order to provide our customers with the tools they need to release software faster with near-100% reliability. We’re looking for an experienced backend engineer to help lead our team and define the future of our platform.

- Would you like to work at the Thought Leader of Europe with the best engineers from the region who conquer Europe together with the most impactful software projects?
- Would you like to become an authority in areas like Cloud-Native, Event-Driven-Architecture, FP, Microservices, or AI?
- Do you like to be part of a very ambitious engineering culture where self-development, knowledge sharing, and training are top priorities and you can grow into a lead or architect?
- Do you say yes to great benefits such as a 5% end-of-year bonus, 22 energetic knowledge sharing sessions per year, a beautiful office, 6 training days, many home working options, and a permanent contract from the start?
Then don’t wait any longer, this job is made for you!

Join Xebia and work on innovative backend projects
Join Xebia and you will work with people who value the principles of clean code and deliver high quality without compromise. Our goal is to be the thought leader in our field, and we help you become one too. As a group of developers and entrepreneurial engineers, we turn the latest technology trends into business advantages. We are a mainstream frontrunner that builds the future with software for our clients.
Join us and you can expect to:
- join a team of ambitious people that continuously challenge each other to learn and grow.
- work on the most innovative projects of your choosing.
- get time for innovation and knowledge sharing as it’s one of our core values.
- an interesting package of employment benefits that competes with the best.

Can code improve healthcare? At Quin, our answer is a resounding ‘yes!’
Help us build the future of healthcare.
At Quin, we build purposeful code. Code that powers an AI-driven app that lets users identify health issues, and ‘automagically’ connect with medical professionals who can instantly assess symptoms.
- You’ll build in Kotlin (yes, we can get you up to speed or even certified in no time flat);
- We accelerate the learning curve through our (buzz incoming) new & improved career development program, which helps you plot the optimal Quin course and empowers you to reach your goals quicker;
- You also get ‘paid learning time’ to pursue personal and professional growth;
- Click “Learn more” for… well, more.