Mobile (Android & IOS) Developer

Ethereum Technologies LLC; Helena (MT); On-site; USD 120,000 - 180,000; Full time

Job summary

Ethereum Technologies LLC is seeking a seasoned mobile application developer with extensive React Native experience to build cross-platform iOS and Android apps. The role requires hands-on Kotlin/Swift familiarity for legacy or migration tasks and integrating apps with Java-based REST APIs.

The ideal candidate thrives in Agile/Scrum environments and has delivered public-facing or consumer mobile applications. Production-grade React Native skills are mandatory for this role.

Qualifications

• 7+ years of experience in mobile application development.
• Strong hands-on experience with React Native for cross-platform (iOS & Android) apps.
• Prior experience supporting or migrating Kotlin and Swift mobile applications.
• Experience integrating mobile apps with Java-based REST APIs using JSON.
• Experience working in Agile / Scrum development environments.
• Experience delivering public-facing or consumer mobile applications is preferred.
• React Native (production experience – mandatory).

Skills

Mobile app development

Kotlin/Swift cross-platform

Agile/Scrum

REST API integration

React Native production experience

Public-facing mobile apps

Tools

React Native

Job description

• 7+ yearsof experience in mobile application development
• Strong hands-on experience withReact Nativefor cross-platform (iOS & Android) apps
• Prior experience supporting or migratingKotlin and Swiftmobile applications
• Experience integrating mobile apps withJava-based REST APIsusing JSON
• Experience working inAgile / Scrumdevelopment environments
• Experience deliveringpublic-facing or consumer mobile applicationsis preferred
• React Native (production experience – mandatory)

ETHEREUM TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. ETHEREUM TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will ETHEREUM TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract