Are you an experienced Flutter App Developer with a passion for building scalable, secure and high-performance applications? Are you willing to maintain our existing Flutter app and add new functionalities? With us, you get the chance to use your skills in a challenging role, in which you are involved in every step of the development: from analysis to implementation.
Job description:
You take charge of our existing Flutter app: bug fixes, performance optimisation, UI polish
You develop new features that improve the user experience of our event software & platform
You ensure that our app continues to run smoothly on iOS and Android, including version updates and compatibility testing
You think about app architecture, user flow and future expansion possibilities
Consistently write, translate and code according to specifications and within project code standards.
Apply best practices for scalable, extensible and secure applications.
Testing your tickets.
Writing technical documentation of implemented tickets.
Work according to our ISO27001 policy and prioritise security. Support security investigations and resolution of security incidents, etc.
Profile
Minimum 5 years of experience as an app developer (min 3 years with Flutter).
You work and live in the European Economic Union (essential for data processing in the context of GDPR) and speak fluent English (Dutch is a big plus)
A bachelor’s degree in engineering, computer science, information systems, or a related field from an accredited college or university is a plus.
Strong Flutter experience.
Experience with software version control.
Proven analytical and problem-solving skills: Ability to interpret complex business requirements and write business logic/rules into reusable code.
Good communication and writing skills: Ability to prioritise and execute tasks effectively in a demanding environment. Experience working independently as well as in a team-oriented, collaborative environment.
Job offer
Flexible on-call collaboration - you determine your availability
Market-conform freelance compensation
Support from our team, where necessary
The opportunity to contribute to a platform that truly makes events more impactful
Your job posting sounds like a great opportunity for someone who wants to take ownership of a mature Flutter application and help shape its future. I especially appreciate the focus on long-term maintainability, performance, and adherence to security standards like ISO27001 — it’s not something every team prioritizes, but it definitely makes a difference.
The structure of the role — from analysis to implementation — gives developers room to grow and make a real impact. Also, the emphasis on documentation and clean code shows that your team values sustainable development, which is always a good sign.
I’m sure this position will attract some highly skilled Flutter devs. Good luck with your search!
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