Software Engineer, Android, Google Wallet, Transit and eMoney

United States Digital Space LLC; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

United States Digital Space LLC is seeking a software engineer for a full‑time role in Singapore. The team builds next‑gen payment and wallet solutions, handling large‑scale data and secure interactions with device hardware.

You will contribute to backend services using Java/Kotlin and develop Android applications, collaborating across cross‑functional groups to deliver robust features. Candidates should have a Bachelor’s degree and at least 1 year of full‑stack, Android, and algorithm

Qualifications

• Bachelor's degree or equivalent practical experience.
• 1 year of experience with full stack development, across back-end such as Java or Kotlin codebases.
• 1 year of experience with Android application development.
• 1 year of experience with data structures and algorithms.

Responsibilities

• Build and scale digital transit card solutions for various cities and transit agencies, supporting both Host Card Emulation (HCE) and Secure Element (SE)-based systems.
• Develop software that interfaces with device hardware like NFC controllers and secure elements.
• Collaborate with Android platform teams to design and implement new APIs and capabilities that enhance Wallet functionality and security.
• Work with Product Managers, UX Designers, Technical Program Managers, Business Development, Legal, and other engineering teams within Wallet and across the company.
• Engage with external partners to define requirements, troubleshoot issues, and launch new integrations.

Skills

Java/Kotlin

Android development

Data structures & algorithms

Education

Bachelor's degree

Job description

the company will be prioritizing applicants who have a current right to work in Singapore, and do not require the company's sponsorship of a visa.

Minimum qualifications:

• Bachelor’s degree or equivalent practical experience.
• 1 year of experience with full stack development, across back-end such as Java or Kotlin codebases.
• 1 year of experience with Android application development.
• 1 year of experience with data structures and algorithms.

Preferred qualifications:

• Experience in building Android software products and strong understanding of Android internals.
• Experience in full-stack including designing and integrating with server-side APIs to support client features.
• Experience with Android Jetpack Compose and logging.
• Experience working with external partners and device manufacturers.
• Ability to work effectively in a collaborative, cross-functional environment.

About the job

the company's software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one another. Our products need to handle information at massive scale, and extend well beyond web search. We're looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing every day. As a software engineer, you will work on a specific project critical to the company’s needs with opportunities to switch teams and projects as you and our fast-paced business grow and evolve. We need our engineers to be versatile, display leadership qualities and be enthusiastic to take on new problems across the full-stack as we continue to push technology forward.

Whether it is paying online with Autofill, using tap and pay in stores, or using the the company Pay app, the Payments team at the company is focused on making payments simple, seamless, and secure. In addition to consumer payment technologies, the Payments team also powers the money movement between the company and its consumers and businesses.

Responsibilities

• Build and scale digital transit card solutions for various cities and transit agencies, supporting both Host Card Emulation (HCE) and Secure Element (SE)-based systems.
• Develop software that interfaces with device hardware like NFC controllers and secure elements.
• Collaborate with Android platform teams to design and implement new APIs and capabilities that enhance Wallet functionality and security.
• Work with Product Managers, UX Designers, Technical Program Managers, Business Development, Legal, and other engineering teams within Wallet and across the company.
• Engage with external partners to define requirements, troubleshoot issues, and launch new integrations.

the company is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. See also the company's EEO Policy and EEO is the Law. If you have a disability or special need that requires accommodation, please let us know by completing our Accommodations for Applicants form.