Flutter Developer | Blockchain

Company’s profile

Our client is a leading Europe-focused cryptocurrency broker on a mission to make crypto simple, secure, and accessible to everyone. From their modern office in Amsterdam, a team of around 90 professionals drives forward a platform that handles tens of thousands of transactions daily. They pride themselves on transparency, innovation, and collaboration—creating an environment where you can help shape the future of crypto.

Job Description

As a Mobile Developer (Flutter), you will be responsible for delivering high-quality, scalable, and user-friendly mobile features. Working closely with UI/UX designers as well as front-end and back-end engineers, you will:

• Use Flutter and Dart to develop secure and reliable mobile application functionality related to buying, selling, and owning cryptocurrency assets.

• Work closely with UI/UX designers, back-end developers, and other team members to ensure the feasibility and technical viability of designs, and then translate the designs into code.

• Ensure applications are optimized for speed and scalability.

• Conduct code reviews and identify areas for improvement in performance and quality.

• Identify, diagnose, and fix bugs or performance bottlenecks.

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or equivalent

• 1–4 years of professional experience developing Flutter apps with Dart

• Experience with design tools such as Figma, Sketch, or Adobe XD

• Familiarity with RESTful APIs and JSON data handling

• Proficient with version control (Git)

• Bonus: experience with React Native, Swift, or Kotlin

• Bonus: experience with front-end frameworks (React.js, Vue.js, Angular)

• Strong attention to detail and a focus on excellent user experience

• Analytical mindset and strong problem-solving skills

• Self-starter with excellent communication and teamwork skills

Offer

• Cutting-edge projects in the fast-paced crypto industry

• Competitive salary (depending on experience)

• Modern office in Amsterdam with private gym, company bar, and relaxation areas

• Daily perks: free lunch, fresh fruit, and Friday afternoon drinks

• 25 vacation days + 8% holiday allowance

• Pension plan and commuting allowance

• Monthly chair massages and access to a comprehensive benefits program

• €250 home-office setup budget after probation

• Regular team outings, knowledge-sharing sessions, and social events

Interested and want to learn more?

Great! Please contact Samir Jouseiph at S.Jouseiph@haystackpeople.nl or +31 6 45262693.