Senior Software Engineer II - Android

Sorenson Communications is an industry leading provider of language services for the Deaf and hard-of-hearing. The Senior Software Engineer II is responsible for building and maintaining Android Video Relay Service applications, focusing on developing high-quality, scalable, and reliable applications for real-time video communication.

Responsibilities:

• Design, develop, and maintain native Android Video Relay Service (VRS) applications using Kotlin and Jetpack Compose
• Implement features using modern Android architecture patterns (MVI / MVVM, 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 sharing a common native engine
• Contribute to technical design discussions, architecture decisions, and long‑term platform strategy
• Write clean, maintainable, and well‑tested code following engineering best practices
• Partner with QA and Product to ensure functional correctness, performance, and reliability
• Participate in code reviews, providing constructive feedback and mentoring 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
• Other duties as assigned

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 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 Android application lifecycle, threading, and performance considerations
• Experience configuring and maintaining Gradle builds, flavors, and build types
• Strong understanding of clean architecture, 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 both technical and non‑technical audiences
• Willing to ask questions, challenge assumptions, and advocate for sound engineering practices
• Demonstrates ownership, accountability, and a proactive mindset
• Bachelor's degree in computer science, software engineering, or a related technical field preferred, or equivalent practical experience
• Understanding of real‑time systems, video/audio pipelines, or low‑latency communication is preferred
• React / React Native
• TypeScript / JavaScript / Node.js
• WebRTC
• SIP (Session Initiation Protocol)
• AWS
• Android Studio, Git, GitHub
• GitHub Actions, Fastlane
• Espresso, UIAutomator, AndroidX Test libraries
• Firebase, Sentry, Pendo
• Jira, Confluence