Senior/Lead Mobile Developer (Flutter)

About the Role: We are seeking a highly skilledFlutter mobile engineerto lead the development of our mobile applications that will reach millions of users globally. You will be responsible for architecting, building, and optimizing cross-platform apps (iOS & Android) that deliver a seamless, secure, and intuitive experience. Whileblockchain or financial app experienceis highly appreciated, the most critical requirement is expertise in deliveringworldwide-used, production-grade mobile applications. As a senior technical leader, you will collaborate closely with SDK, backend, product, and design teams to ensure our apps achieve best-in-class performance, reliability, and usability. Key Responsibilities: • Mobile Architecture & Development: • Lead the design and implementation of cross-platform mobile applications usingFlutter. Ensure the architecture is scalable, modular, and maintainable. • End-User Experience: • Deliver polished, intuitive, and performant UI/UX across iOS and Android. Collaborate with designers and product managers to translate requirements into world-class user experiences. • Integration with Wallet SDK & Services: • Work closely with the Blockchain Wallet SDK team to integrate blockchain features (transactions, staking, swaps) and backend services into the mobile apps. • Performance & Reliability: • Optimize app startup time, memory usage, network calls, and responsiveness. Ensure resilience across devices, regions, and network conditions. • Release & Distribution: • Own the release process across App Store and Google Play, including CI/CD automation, versioning, and monitoring. Guaranteesmooth global rolloutand compliance with platform requirements. • Quality & Security: • Drive automated testing (unit, widget, integration, and end-to-end), enforce code quality, and ensure security best practices in mobile development. • Collaboration & Leadership: • Mentor mobile engineers, establish coding standards, and partner with SDK/backend teams to ensure roadmap alignment and timely delivery. Requirements: • Bachelor’s or Master’s degree in Computer Science, Software Engineering, or equivalent experience. • 5–10 years of professional mobile development, with at least 3+ years focused onFlutter(cross-platform) at scale. • Proven track record ofbuilding and releasing apps with global user bases(millions of downloads / worldwide adoption). • Deep understanding ofiOS and Android ecosystems, including platform differences, store submission processes, and app lifecycle management. • Strong experience withCI/CD pipelines, automated testing, and app distribution. • Knowledge of performance tuning, security best practices, and accessibility standards in mobile apps. • Highly appreciated: Experience inblockchain, fintech, or financial services apps. • Excellent communication skills and ability to collaborate across engineering, design, and product teams.