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 iOS 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 Summary We'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)Key Responsibilities Design, develop, and maintain robust Flutter mobile applications, with an initial focus on iOS. 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 (iOS) 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 Qualifications Technical 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, BLoC 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 WebSocket connections and real-time data streaming Familiarity with 3D 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 3D assets in the app. Understanding of RESTful APIs or GraphQL 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