Responsibilities: - Designing, developing, and implementing private key management and application architecture that supports digital asset creation, transfer, and storage. - Participate in requirements review, design review, sprint planning, backlog grooming and retrospective meetings - Architect and build scalable backend services - Collaborate with other engineers, product managers and designers during various product development stages What you bring: - 10+ years experience in building mobile applications - Proficient with TypeScript + React Native - Experience with Android development - Strong verbal and written communication skills - Understand good practices of building and working with APIs - You have proven skills in reading, analyzing, and writing code contracts on Ethereum or other blockchains Pay & Benefits: - A fast-paced and collaborative environment - Competitive compensation and equity options - Flexible PTO - Comprehensive health, dental and vision plans - Wellness and work from home allowance - Remote-first company - 401k plan (in the US)