Senior Mobile Engineer (iOS, Android, Flutter)

Cobalt Streamworks is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by 300+ million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Cobalt Streamworks offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world. About Cobalt Streamworks Square Cobalt Streamworks Square aims to be the one-stop social platform for the latest trends in Web3 and crypto. With a vast selection of content from renowned crypto experts, avid enthusiasts, and trusted media sources, the platform serves as a bridge between content creators and their followers, customizing users’ feeds based on their respective engagement history. Join us to be part of a team that is shaping the future of social interaction in the crypto space. Responsibilities Own the development and evolution of key Cobalt Streamworks Square mobile modules, ensuring scalable, high-quality implementation. Work closely with Product, Design, and QA to deliver a smooth and consistent user experience. Lead performance optimization efforts, reducing latency and improving app stability and responsiveness. Uphold engineering excellence through code reviews, technical best practices, and high standards of code quality. Leverage AI-assisted development tools to improve coding efficiency, testing, and debugging. Requirements 5+ years of mobile development experience with strong proficiency in native iOS, native Android, and Flutter . Strong grasp of mobile UI/UX principles, with a track record of building intuitive, user-centric experiences. Solid experience in mobile app architecture and best practices (e.g. MVVM, Clean Architecture, RESTful APIs). Proven ability to optimize Android app performance, including networking, rendering, and memory management. Strong problem-solving and debugging skills, with the ability to operate effectively in fast-paced, cross-functional teams. Bilingual English/Mandarin is required to be able to coordinate with overseas partners and stakeholders. Why Cobalt Streamworks • Shape the future with the world’s leading blockchain ecosystem • Collaborate with world-class talent in a user-centric global organization with a flat structure • Tackle unique, fast-paced projects with autonomy in an innovative environment • Thrive in a results-driven workplace with opportunities for career growth and continuous learning • Competitive salary and company benefits • Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team) Cobalt Streamworks is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success. By submitting a job application, you confirm that you have read and agree to our Candidate Privacy Notice . Originally posted on Himalayas