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 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)Key ResponsibilitiesDesign, 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 QualificationsTechnical ExpertiseMinimum 4+ years professional Flutter development experience with production IOS appsExpert-level skills in converting UI designs to Flutter code with attention to detailProven experience building camera and video functionality in mobile appsStrong background in data visualization libraries (fl_chart, custom paintings, etc.)Hands-on experience with video processing, overlays, and real-time annotationsAdvanced knowledge of Clean Architecture, BLoC pattern, and dependency injectionPrevious work with Supabase or similar backend-as-a-service platformsSpecialized SkillsExperience with video player customization and advanced media controlsProficiency in real-time data visualization and interactive chartsKnowledge of camera APIs, video compression, and media optimizationExperience with AWS S3 integration and cloud storage solutionsUnderstanding of WebSocket connections and real-time data streamingFamiliarity with 3D graphics and mathematical visualizations (preferred)Development PracticesFast-paced development ability with quick iteration cyclesHigh ownership mentality with proactive problem-solving approachSelf-accountability in delivering high-quality, well-tested codeExcellent communication skills for remote collaboration with US-based teamExperience with CI/CD pipelines and automated testing frameworksWhat Makes You Stand OutPortfolio demonstrating complex video/camera applicationsExamples of sophisticated data visualization implementationsExperience building real-time streaming/fitness/analytics IOS applicationsTrack record of performance optimization in video-heavy appsCreative problem-solving in UI/UX challenges with technical constraintsNice to HavePrior 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 & BenefitsAnnual salary up to ₹25,00,000 INR (increased based on specialized skills required)Annual review for performance-based bonus and salary increase100% remote position (for candidates based in India), collaborating directly with our US-based teamClear technical leadership track with opportunity to shape architecture decisionsFlexible work hours with modern tech stack (Flutter 3.5+, latest AWS services)Tight-knit, ambitious team with direct influence on product direction