Senior Mobile Developer

About

Remix is one of the leading online secondhand marketplaces in the EU, currently operating in 9 European markets and expanding. We are on a mission to make secondhand fashion the first choice. We believe in a sustainable future for fashion, giving pre-loved clothes a new life, and reshaping the resale market through innovation. Powered by technology, our proprietary operating platform drives our managed marketplace – combining distributed processing infrastructure, proprietary software, and data science expertise to transform fashion resale.

The role

We’re looking for a Senior Mobile Developer with expertise in Flutter to help us design, develop, and maintain high-quality mobile applications. You’ll play a key role in our mobile strategy, working closely with product managers, designers, and fellow engineers to deliver delightful user experiences.

What’ll do

• Collaborate with product and design teams to understand user requirements and translate them into technical solutions.
• Write clean, maintainable, and scalable code.
• Optimize app performance for speed and responsiveness.
• Conduct code reviews and maintain high standards of code quality.
• Stay up-to-date with the latest trends in mobile development and Flutter best practices.
• Integrate with RESTful APIs and third-party services.
• Participate in architectural discussions and contribute to decision-making.

Requirements

• 5+ years of professional experience in mobile development.
• 1+ years of hands-on experience with Flutter and Dart.
• Strong knowledge of mobile app architecture and state management (e.g., BLoC, Provider).
• Experience publishing apps to the App Store and Google Play.
• Proficiency in integrating native modules using platform channels.
• Solid understanding of REST APIs, JSON, and mobile app performance optimization.
• Experience with CI/CD for mobile apps (e.g.,Codemagic).
• Familiarity with version control tools like Git.
• Excellent problem-solving skills and a proactive attitude.

Nice to Have

• Experience with Firebase or other backend services.
• Native Android (Kotlin/Java) or iOS (Swift/Objective-C) development experience.
• Experience with automated testing and test-driven development (TDD).
• Previous work in an Agile/Scrum environment.

What we offer

• Competitive remuneration
• Individual career growth plan
• Additional health insurance
• Food vouchers worth 200 BGN
• Multisport & Coolfit cards
• Work-life balance & social events
• Free snacks, soft drinks, coffee, and fruits
• A job with a mission

*All applications will be treated with strict confidentiality. Only short-listed candidates will be contacted.

If you are a tech-savvy professional who thrives on building innovative software solutions, we’d love to have you on our team!