Senior Flutter Engineer
Job Summary
Job Description
Xsolla is seeking an innovative and detail-oriented Senior Flutter Engineer to build cross-platform mobile experiences. The role involves designing, developing, and maintaining high-performance apps using Flutter and Dart, collaborating with cross-functional teams, and utilizing AI-based tools to enhance development workflows. Responsibilities include writing clean, testable code, optimizing app performance, integrating APIs, and participating in code reviews. The ideal candidate possesses extensive experience with Flutter, strong knowledge of mobile architecture and state management, and familiarity with AI development tools. Experience with testing frameworks, backend APIs, app store deployments, and performance optimization is also required. Excellent English communication and the ability to work in distributed teams are essential. Familiarity with AI tools for UI/UX generation, test generation, or user behavior analysis, native mobile development, and CI/CD for mobile is beneficial.
Must have:
- Design, develop, and maintain Flutter/Dart apps
- Collaborate with product, design, backend teams
- Use AI-based tools for development workflows
- Write clean, maintainable, testable code
- Optimize app performance and responsiveness
- Integrate RESTful APIs and services
- Participate in code reviews and planning
- Strong Flutter/Dart experience
- Mobile architecture and state management knowledge
- Experience with AI-assisted development tools
- Familiarity with testing frameworks
- Comfortable working with backend APIs
- Experience publishing apps to stores
- Debugging and performance optimization skills
- Excellent English communication skills
Good to have:
- Experience using AI tools for UI/UX or test generation
- Familiarity with native Android/iOS development
- Exposure to CI/CD for mobile
- Interest/experience in gaming or fintech
14 skills required
Job Details
ABOUT US
At Xsolla, we believe that great games begin as ideas, driven by the curiosity, dedication, and grit of creators around the world. Our mission is to empower these visionaries by providing the support and resources they need to bring their games to life. We are committed to leveling the playing field, ensuring that every creator has the opportunity to share their passion with the world.
Headquartered in Los Angeles, with offices in Berlin, Seoul, and beyond, we partner with industry leaders like Valve, Twitch, and Ubisoft to clear the paths for innovation in gaming. Our global reach spans over 200 geographies, offering more than 700 payment methods in 130+ currencies.
Longevity Opportunity Vision Enjoy the game!
ABOUT YOU
We are looking for a Senior Flutter Engineer who is innovative, detail-oriented, and highly skilled in building cross-platform mobile experiences using Flutter. You bring deep knowledge of mobile architecture and best practices, and you're always pushing the limits of what’s possible, both in performance and in user experience.
You are fluent in AI-enhanced development workflows and are comfortable integrating AI-driven tools to accelerate code quality, testing, and feature delivery. You thrive in fast-moving environments, contribute proactively to technical discussions, and take ownership of features end-to-end.
If you're passionate about building elegant mobile apps that scale, eager to explore AI's role in mobile engineering, and excited to work with one of the most dynamic companies in the gaming and fintech ecosystem, we’d love to hear from you.
Responsibilities
- Design, develop, and maintain high-performance cross-platform mobile apps using Flutter and Dart
- Collaborate with product, design, and backend teams to build seamless and visually polished user experiences
- Use AI-based tools (e.g., for code generation, test automation, performance analysis) to speed up and improve development workflows
- Write clean, maintainable, and testable code following best practices and design patterns
- Optimize app performance, responsiveness, and startup time across platforms
- Integrate RESTful APIs, WebSockets, and third-party services into mobile applications
- Participate in code reviews, architecture discussions, and team-wide tech planning
Qualifications & Skills
- Extensive experience building and deploying mobile applications using Flutter and Dart
- Strong understanding of mobile development principles, state management (e.g., Bloc, Provider, Riverpod), and modern architecture
- Proven experience with AI-assisted development tools such as GitHub Copilot, Cody, or ChatGPT for engineering tasks
- Familiarity with testing frameworks and tools (unit, widget, and integration testing in Flutter)
- Comfortable working with backend APIs and handling complex data flows
- Experience publishing apps to the App Store and Google Play, and managing release pipelines
- Strong debugging, profiling, and performance optimization skills for mobile environments
- Excellent communication skills in English and ability to work cross-functionally in distributed teams
- Experience using AI tools for mobile UI/UX generation, test generation, or user behavior analysis
- Familiarity with native Android (Kotlin/Java) or iOS (Swift) development
- Exposure to CI/CD for mobile (e.g., Codemagic, Bitrise, GitHub Actions)
- Interest or experience in gaming, fintech, or commerce applications
Good to Have
The duties and responsibilities of this position may evolve over time to support the organization’s goals and individual growth. This job description is intended to outline the general nature and level of work being performed and is not intended to be an exhaustive list of all duties, responsibilities, and qualifications required.
Xsolla takes your privacy seriously and will not sell or externally distribute any personal data received during the hiring process. In accordance with applicable data protection laws, Xsolla is committed to protecting your personal information and respecting your privacy.
For any inquiries related to data privacy, please contact: careers@xsolla.com
Explore more opportunities at: https://xsolla.com/careers
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