Senior Software Engineer, Wallet Device Experiences

United States Digital Space LLC seeks software engineers in Singapore to build next‑generation wallet technologies at massive scale. You will work across full-stack back-end and front-end, collaborating with device manufacturers and platform teams to implement secure digital credentials and APIs.

The role requires strong experience in Kotlin, Java, C++, and modern web technologies, with a focus on scalable, secure systems and cross-team collaboration in a fast-paced environment.