Middle/Senior Flutter Engineer

StartupSoft connects top Ukrainian engineers with world-class startups from Silicon Valley and EU. Our developers work directly on the product as an integral part of the startup team. Project: A dynamic wellness tech venture offering innovative tools to support proactive health management. Its primary product is a smart scale equipped with cutting-edge BIA technology, delivering precise data on key body metrics such as fat percentage, lean mass, and hydration. By merging advanced engineering with a seamless digital experience, it empowers users to make informed decisions about their health. Stack: Flutter, Dart, RESTful APIs. Stage: live product. Team: 20+ employees from their side and 50 engineers from our side.

Responsibilities

Design, develop, and maintain high-quality mobile applications using Flutter SDK and Dart.; Implement efficient state management solutions (primarily BLoC and GetIt) to ensure scalability and maintainability.; Integrate Firebase services (authentication, Firestore, analytics, push notifications) and other backend APIs.; Manage local data storage using Hive or other storage solutions.; Ensure application performance, responsiveness, and security through profiling, testing, and optimization.; Participate in and contribute to code reviews, ensuring best practices, maintainability, and adherence to coding standards.; Collaborate closely with product managers, designers, and other engineers to deliver seamless user experiences.; Troubleshoot and debug issues, addressing performance bottlenecks and implementing fixes.; Contribute to and improve CI/CD pipelines to automate testing, building, and deployment.; Document technical designs, workflows, and project architecture to ensure maintainability and knowledge sharing.

Requirements

4+ years of professional mobile development experience, with at least 2+ years of hands-on Flutter experience.; Strong proficiency in Flutter SDK and Dart programming language.; Solid understanding of state management solutions, particularly BLoC and GetIt (experience with Provider, Riverpod, or MobX is a plus).; Experience integrating Firebase services (authentication, Firestore, analytics, push notifications, etc.).; Knowledge of local storage solutions such as Hive (experience with SharedPreferences, SQLite, or ObjectBox is a plus).; Familiarity with RESTful APIs and third-party SDK integration.; Proficiency with Git version control workflows (branching, pull requests, code reviews).; Experience or basic knowledge of CI/CD pipelines (e.g., GitHub Actions, Bitrise, or Codemagic).; Strong problem-solving skills, analytical thinking, and attention to detail.; Ability to collaborate in cross-functional teams and communicate effectively.; A good understanding of mobile UI/UX principles and experience delivering polished, user-friendly apps.; Experience publishing apps to the App Store and Google Play.

Nice to have

Provider; Riverpod; MobX; SharedPreferences; SQLite; ObjectBox

Benefits

Global collaboration opportunities; Core team membership; Equity and ownership potential; Premier workspaces; Competitive compensation package; Cutting-edge technology environment; Impactful project contributions; Collaborative company culture; Medical insurance