Flutter mobile app developer

About UsAthlitix is a US-based startup building cutting-edge sports technology that will change how athletes train and get recruited. Our immediate focus is on i OS using Flutter, but our roadmap includes future Android expansion, deep sensor integration, and advanced AR features. Join us to make a real impact with high ownership and creative freedom.Role SummaryWe're looking for a Senior Flutter Developer with exceptional expertise in building visually stunning, performance-critical mobile applications. You'll own the frontend development of our sports analytics platform, working extensively with camera integration, video processing, real-time data visualizations, and complex UI overlays. The ideal candidate thrives in fast-paced environments, implements architectural best practices, and has a passion for converting sophisticated designs into clean, maintainable code.Note: Please fill out this form to apply. (Only applications through this link will be considered) V2pe ZXbeqq TGik9Key Responsibilities- Design, develop, and maintain robust Flutter mobile applications, with an initial focus on i OS.- Build rich, interactive, and efficient data visualizations within the mobile app.- Integrate and utilize sensor data (gyroscope, accelerometer, etc.).- Experiment and develop features using ARKit (i OS) and, in the future, ARCore (Android).- Own the full app development lifecycle: architecture, implementation, testing, deployment, maintenance, and iterative enhancement.- Collaborate closely with cross-functional teams (product, design, backend) in a remote, distributed startup environment.- Ensure best practices for mobile UX, app performance, and code quality.- Take high ownership—proactively drive features, debug/troubleshoot, and deliver value at startup pace.- Attend regular standups and meetings with founding teamRequired QualificationsTechnical Expertise- Minimum 4+ years professional Flutter development experience with production IOS apps- Expert-level skills in converting UI designs to Flutter code with attention to detail- Proven experience building camera and video functionality in mobile apps- Strong background in data visualization libraries (fl_chart, custom paintings, etc.)- Hands-on experience with video processing, overlays, and real-time annotations- Advanced knowledge of Clean Architecture, BLo C pattern, and dependency injection- Previous work with Supabase or similar backend-as-a-service platformsSpecialized Skills- Experience with video player customization and advanced media controls- Proficiency in real-time data visualization and interactive charts- Knowledge of camera APIs, video compression, and media optimization- Experience with AWS S3 integration and cloud storage solutions- Understanding of Web Socket connections and real-time data streaming- Familiarity with 3 D graphics and mathematical visualizations (preferred)Development Practices- Fast-paced development ability with quick iteration cycles- High ownership mentality with proactive problem-solving approach- Self-accountability in delivering high-quality, well-tested code- Excellent communication skills for remote collaboration with US-based team- Experience with CI/CD pipelines and automated testing frameworksWhat Makes You Stand Out- Portfolio demonstrating complex video/camera applications- Examples of sophisticated data visualization implementations- Experience building real-time streaming/fitness/analytics IOS applications- Track record of performance optimization in video-heavy apps- Creative problem-solving in UI/UX challenges with technical constraintsNice to Have- Prior experience with mobile analytics or data visualization libraries.- Knowledge on working with 3 D assets in the app.- Understanding of RESTful APIs or Graph QL backends.- Contributions to open-source, developer communities, or technical blogging.- Experience with CI/CD pipelines, app store deployments, and user feedback loops.Compensation & Benefits- Annual salary up to ₹25,00,000 INR (increased based on specialized skills required)- Annual review for performance-based bonus and salary increase- 100% remote position (for candidates based in India), collaborating directly with our US-based team- Clear technical leadership track with opportunity to shape architecture decisions- Flexible work hours with modern tech stack (Flutter 3.5+, latest AWS services)- Tight-knit, ambitious team with direct influence on product direction