Senior Software Engineer II - Android

CaptionCall by Sorenson • Salt Lake City, UT

1d • $119,600 - $199,400

About The Position

The Senior Software Engineer II is a technical leader responsible for building, maintaining, and evolving Sorenson’s Android Video Relay Service (VRS) applications. The role develops high-quality, scalable, and reliable Android applications that enable real-time video communication for deaf and hard-of-hearing users. It primarily uses Kotlin and modern Android frameworks, while integrating complex native C/C++ libraries through the Android NDK. The engineer works with minimal oversight, contributes to technical direction, and partners with Product, Design, QA, and native platform teams to deliver accessible, user-centered experiences. Travel requirements are less than 25%.

Requirements

• 6–8 years of professional software engineering experience.
• Significant experience developing native Android applications in a production environment.
• Experience working with complex, large-scale, or mission-critical applications.
• Experience collaborating within cross-functional, team-based development environments.
• Experience supporting applications through the full lifecycle: design, development, release, and maintenance.
• Strong proficiency in Kotlin and Android SDK fundamentals.
• Experience with Jetpack Compose, Material Design, ViewModel, Navigation, and related Jetpack libraries.
• Deep understanding of the Android application lifecycle, threading, and performance considerations.
• Experience configuring and maintaining Gradle builds, flavors, and build types.
• Strong understanding of Clean Architecture and MVI or MVVM patterns.
• Experience with dependency injection frameworks such as Hilt or Dagger.
• Ability to design systems that are testable, scalable, and maintainable.
• Experience working in multi-module or shared-library codebases.
• Experience integrating native C/C++ code using the Android NDK.
• Familiarity with JNI or SWIG-generated bindings.
• Experience using Retrofit, OkHttp, or similar networking libraries.
• Familiarity with local persistence using Room, DataStore, or encrypted storage.
• Understanding of API-driven mobile applications and backend integration.
• Experience writing unit tests and instrumented Android tests.
• Ability to troubleshoot complex defects across application and system boundaries.
• Commitment to delivering reliable, high-quality software in CI/CD environments.
• Works effectively with Product, QA, Design, and Engineering partners.
• Communicates technical concepts clearly to technical and non-technical audiences.
• Willingness to ask questions, challenge assumptions, and advocate for sound engineering practices.
• Demonstrates ownership, accountability, and a proactive mindset.

Nice To Haves

• A bachelor’s degree in computer science, software engineering, or a related technical field, or equivalent practical experience.
• Understanding of real-time systems, video/audio pipelines, or low-latency communication.
• React or React Native.
• TypeScript, JavaScript, or Node.js.
• WebRTC.
• SIP (Session Initiation Protocol).
• AWS.
• Familiarity with Android Studio, Git, and GitHub.
• Familiarity with GitHub Actions and Fastlane.
• Familiarity with Espresso, UIAutomator, and AndroidX Test libraries.
• Familiarity with Firebase, Sentry, and Pendo.
• Familiarity with Jira and Confluence.

Responsibilities

• Design, develop, and maintain native Android Video Relay Service applications using Kotlin and Jetpack Compose.
• Implement features using modern Android architecture patterns, including MVI, MVVM, and Clean Architecture.
• Integrate and maintain native C/C++ videophone libraries via Android NDK, JNI, and SWIG-generated bindings.
• Develop and support real-time video calling functionality, including camera, audio routing, call state management, and lifecycle handling.
• Collaborate across teams working on multiple Android applications that share a common native engine.
• Contribute to technical design discussions, architecture decisions, and long-term platform strategy.
• Write clean, maintainable, well-tested code following engineering best practices.
• Partner with QA and Product to ensure functional correctness, performance, and reliability.
• Participate in code reviews, provide constructive feedback, and mentor less-senior engineers.
• Contribute to CI/CD pipelines and release processes using tools such as GitHub Actions and Fastlane.
• Monitor application health and stability using observability and analytics tools.
• Troubleshoot complex issues across application, framework, and native layers.
• Participate in Agile/Scrum ceremonies and planning activities.
• Perform other duties as assigned.

Benefits

• Paid vacation time, paid sick time, and paid holidays.
• 401(k) with 6% match and immediate vesting.
• Nationwide medical insurance plans and coverage, including medical, dental/orthodontia, and vision.
• TeleDoc.
• HSA company match.
• Three medical plan options, including a low-deductible PPO medical plan offering.
• Employee Assistance Program.
• Engaged Employee Resource Groups.
• Learning and career development opportunities.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed