Android Mobile Engineer

Doist; United States; Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Competitive salary

Stock option incentive program

Healthcare contribution

Flexible work arrangements

Team lunches and retreats

Job summary

Oxio in the United States is seeking a Mobile Engineer to design, build, and maintain high-quality Android or iOS apps that power our telecom platform. You will collaborate with backend and platform teams to deliver reliable, scalable mobile experiences.

The ideal candidate has 5+ years of mobile development, strong Kotlin/Java or Swift/Objective-C, experience with RESTful APIs, modern Android/iOS frameworks, MVVM/MVI patterns, and a proven track record in agile environments.

Qualifications

• 5+ years of experience developing either Android or iOS mobile applications.
• Strong proficiency in Kotlin and/or Java for Android development and familiarity with iOS platform.
• Experience building and maintaining applications using modern Android frameworks and libraries and exposure to iOS frameworks (or willingness to learn).
• Experience integrating mobile applications with RESTful APIs and backend services.
• Familiarity with mobile architecture patterns such as MVVM, MVI, or similar.
• Experience with Android SDK, Android Studio, and the Android build ecosystem.
• Strong debugging and performance optimization skills.
• Experience working in agile engineering environments.
• Strong problem-solving and analytical skills.
• Strong communication and documentation skills.

Responsibilities

• Design, develop, and maintain Android & iOS applications that integrate with OXIO's telecom platform and APIs.
• Build scalable and maintainable mobile application architecture using modern Android and iOS frameworks.
• Collaborate closely with backend and platform engineers to design efficient API integrations.
• Implement high-quality, reusable, and testable code following engineering best practices.
• Participate in architecture discussions and contribute to improving the mobile engineering stack.
• Write and maintain unit tests and automated tests to ensure application stability and reliability.
• Optimize application performance, responsiveness, and battery efficiency.
• Troubleshoot and resolve application issues across devices and OS versions.
• Participate in code reviews to maintain engineering standards and share best practices.
• Support mobile application releases and help maintain CI/CD pipelines for mobile deployments.

Skills

5+ years mobile experience

Kotlin

Java

Swift

Objective-C

REST APIs

MVVM/MVI

Android Studio

Agile

Problem solving

Tools

Android Studio

iOS development tools

Job description

ANDROID or iOS MOBILE ENGINEEROXIO is the world's first telecom-as-a-service (TaaS) platform. We are democratizing telecom and making it easily accessible for brands and enterprises to fully own and operate proprietary mobile networks designed to support their own customers' needs. Our TaaS solution combines multiple existing networks into one single platform that can be seamlessly managed in the cloud as a modern SaaS offering. With full network access comes unparalleled business intelligence and insights to help enterprises better understand customer and machine (M2M) behavior. With a continuous focus on innovation, any company can build a powerful telecom presence with OXIO while gaining unique insights into customer behavior.We are looking for a Mobile Engineer to help design, build, and maintain high-quality mobile applications that power our telecom platform. This role will work closely with backend engineers, platform teams, and product partners to deliver reliable and scalable mobile experiences. The ideal candidate brings deep experience building either Android or iOS applications and a strong understanding of modern mobile development practices.This role sits within the engineering organization and focuses on building performant, maintainable, and secure mobile applications. The Mobile Engineer will contribute to architecture decisions, implement new product capabilities, and ensure high standards for code quality, testing, and release reliability.

Key Responsibilities

• Design, develop, and maintain Android & iOS applications that integrate with OXIO's telecom platform and APIs.
• Build scalable and maintainable mobile application architecture using modern Android and iOS frameworks.
• Collaborate closely with backend and platform engineers to design efficient API integrations.
• Implement high-quality, reusable, and testable code following engineering best practices.
• Participate in architecture discussions and contribute to improving the mobile engineering stack.
• Write and maintain unit tests and automated tests to ensure application stability and reliability.
• Optimize application performance, responsiveness, and battery efficiency.
• Troubleshoot and resolve application issues across devices and OS versions.
• Participate in code reviews to maintain engineering standards and share best practices.
• Support mobile application releases and help maintain CI/CD pipelines for mobile deployments.

Key Qualifications

• 5+ years of experience developing either Android or iOS mobile applications.
• Strong proficiency in Kotlin and/or Java for Android development and familiarity with iOS platform.
• Experience building and maintaining applications using modern Android frameworks and libraries and exposure to iOS frameworks (or willingness to learn).
• Experience integrating mobile applications with RESTful APIs and backend services.
• Familiarity with mobile architecture patterns such as MVVM, MVI, or similar.
• Experience with Android SDK, Android Studio, and the Android build ecosystem.
• Strong debugging and performance optimization skills.
• Experience working in agile engineering environments.
• Strong problem-solving and analytical skills.
• Strong communication and documentation skills.

Nice to Have

• Experience developing iOS applications using Swift or Objective-C.
• Experience working with cross-platform or shared mobile architectures.
• Experience with mobile CI/CD pipelines and automated mobile testing.
• Experience with telecom platforms, connectivity services, or network-driven applications.
• Familiarity with mobile security best practices and secure data handling.
• Experience working in B2B2C or high-scale SaaS platforms.

What We Offer

• Competitive salary and stock option incentive program.
• Company contribution toward healthcare.
• Flexible work arrangements.
• Company sponsored team lunches and company retreats.
• International organization that enables you to work across boundaries, travel to different locations, and enjoy the dynamics of a rapidly growing start-up.

EEO Statement

A diverse and inclusive team.

We welcome applicants from all backgrounds to apply regardless of race, ethnicity, age, disability status or other defining characteristics.

OXIO is committed to fostering a diverse, equitable, and inclusive workplace where all employees feel valued and empowered. We believe that diversity in all its forms drives innovation and creativity, and we strive to create an environment that reflects and celebrates the unique backgrounds, perspectives, and talents of our employees.

We do not discriminate against any employee or applicant for employment based on race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, veteran status, or any other characteristic protected by applicable federal, state, or local law.

We are dedicated to providing a work environment free from discrimination and harassment.

We are committed to ensuring that all qualified applicants have an equal opportunity to apply for job openings.

If you need assistance or an accommodation due to a disability, please contact us at [e-mail] for more information.