Mobile App Engineer (iOS/Android) — Build Secure, Fast Apps

Ethereum Technologies; McLean (VA); On-site; USD 90,000 - 150,000; Full time

Job summary

Ethereum Technologies in McLean, VA is seeking a Mobile Application Developer (Android and/or iOS) to design, build, and maintain high-quality mobile apps. You will partner with product, design, and backend teams to deliver secure, performant, and user-friendly experiences across mobile devices.

The role requires strong mobile development experience on Android or iOS, familiarity with RESTful APIs, and collaboration in Agile environments.

Qualifications

• Proven mobile development experience on Android and/or iOS.
• Experience consuming RESTful APIs and integrating data.
• Ability to optimize performance and debug across platforms.
• Familiarity with secure storage and privacy-minded implementation.

Responsibilities

• Design, build, test, and maintain Android and/or iOS apps.
• Collaborate with product, design, and backend teams to ship new features.
• Integrate APIs and ensure data reliability and app performance.
• Participate in code reviews and follow engineering best practices.

Skills

Android Kotlin/Java

iOS Swift/Obj-C

RESTful APIs

Agile teamwork

Job description

Ethereum Technologies in McLean, VA is seeking a Mobile Application Developer (Android and/or iOS) to design, build, and maintain high-quality mobile apps. You will partner with product, design, and backend teams to deliver secure, performant, and user-friendly experiences across mobile devices.

The role requires strong mobile development experience on Android or iOS, familiarity with RESTful APIs, and collaboration in Agile environments.