Senior Flutter Engineer

Department: Core Business Engineering

Employment Type: Full Time

Location: Belgrade, /, Remote, Remote

Key Responsibilities:

• Development and maintenance of Mobile CI/CD infrastructure and release management for the App Store and Google Play;
• Building and supporting internal SDKs, reusable components, and developer tooling to improve development efficiency;
• Defining mobile architecture standards, development principles, and technical guidelines across teams;
• Maintaining monitoring, alerting, and reliability systems to ensure mobile application performance and stability; Driving R&D initiatives, improving engineering practices, and reducing development complexity for product teams.

What You’ll Bring:

• Knowledge and hands-on experience using Dart and Flutter;
• Experience in designing app features and architecture choices (SOLID, DRY, DI, Separation of concerns);
• Experience with security and privacy in Flutter apps;
• Experience in developing reusable UI components and custom animations;
• Experience building a fault-tolerant app driven by metrics, backed by logs;
• Upper Intermediate English or above;
• Getting things done mindset 

• Flutter 3.38, Dart, Riverpod, auto_route
• Feature-based architecture (domain, data, DI, presentation layers)
• MVC pattern for feature organization and state management
• Firebase and Customer.io for push notifications
• Datadog, Segment, Firebase Crashlytics for logging and monitoring
• GitLab CI, Fastlane, Flow. Swiss nodes for automated CI/CD
• Firebase App Distribution and TestFlight for test builds
• Claude Code for developer productivity

What we offer:

• Full-time B2B contract
• Fully remote setup, work from anywhere in Europe
• Up to 20% tax allowance
• 22 paid leave days annually
• Stock options (ESOP) in a fast-scaling, pre-IPO company
• Flexi benefits you can use for wellness, travel, or learning
• Work alongside a high-performing, international engineering team in a global fintech unicorn