Sr. Software Engineer – Android

TechDigital Group; Stamford (CT); On-site; USD 130,000 - 160,000; Full time

Job summary

TechDigital Group is seeking a highly experienced Senior Software Engineer – Android to design and deliver scalable, secure, and high-performing mobile applications. The ideal candidate will have deep experience in Android native development and the ability to guide teams on architecture and best practices.

Responsibilities include leading the design of Android applications, optimizing performance, and ensuring adherence to security best practices while collaborating with product and backend teams.

Qualifications

• 7–11 years of Android mobile application development in enterprise/global environments.
• Minimum 2+ years of experience in mobile architecture and solution design.
• Hands-on experience delivering large-scale, production-grade Android applications.

Responsibilities

• Lead the design and development of robust Android native applications using Kotlin, RxJava, Coroutines, and Jetpack Compose.
• Define and implement clean architecture patterns with modular design across presentation, domain, and data layers.
• Architect scalable solutions for complex user journeys across multiple features and device form factors.
• Guide end-to-end Android architecture, including integration with Android Jetpack components and modern design patterns.
• Create and review technical designs, ensuring consistency across development teams.
• Drive adoption of reactive and asynchronous programming patterns to improve performance.
• Optimize application performance through profiling and memory optimization.
• Implement and enforce mobile security best practices, including secure storage.
• Establish comprehensive test strategies integrated into CI/CD pipelines.
• Collaborate with product, design, and backend teams.
• Lead adoption of Android Jetpack libraries to streamline development.
• Manage app distribution strategies, including Play Store releases.
• Ensure accessibility compliance across UI components using Compose best practices.
• Provide advanced debugging and production support.
• Document architecture decisions and coding standards.

Skills

Android Development with Kotlin

Jetpack Compose

RxJava

Job description

Job Summary

We are seeking a highly experienced Senior Software Engineer – Android with strong architecture expertise to design and deliver scalable, secure, and high-performing mobile applications. The ideal candidate will bring deep experience in Android native development and modern frameworks, along with a strong ability to guide teams on architecture, best practices, and end-to-end mobile delivery.

Key Responsibilities

• Lead the design and development of robust Android native applications using Kotlin, RxJava, Coroutines, and Jetpack Compose.


• Define and implement clean architecture patterns with modular design across presentation, domain, and data layers.


• Architect scalable solutions for complex user journeys across multiple features and device form factors.


• Guide end-to-end Android architecture, including integration with Android Jetpack components and modern design patterns.


• Create and review technical designs, sequence diagrams, and component interaction flows to ensure consistency across development teams.


• Drive adoption of reactive and asynchronous programming patterns (Coroutines, RxJava) to improve performance and concurrency handling.


• Optimize application performance through profiling, memory optimization, network efficiency, and UI rendering improvements.


• Implement and enforce mobile security best practices, including secure storage, encryption, and authentication mechanisms.


• Establish comprehensive test strategies (unit, instrumentation, UI testing) integrated into CI/CD pipelines.


• Collaborate with product, design, and backend teams to deliver user-focused and scalable solutions.


• Lead adoption of Android Jetpack libraries (navigation, lifecycle, DI, persistence) to streamline development.


• Manage app distribution strategies, including Play Store releases, build variants, feature flags, and phased rollouts.


• Ensure accessibility compliance across UI components using Compose best practices.


• Provide advanced debugging and production support, leveraging logs, crash analytics, and profiling tools.


• Document architecture decisions, coding standards, and reusable components for long-term scalability and knowledge sharing.

Required Experience

• 7–11 years of Android mobile application development in enterprise/global environments.


• Minimum 2+ years of experience in mobile architecture and solution design.


• Hands-on experience delivering large-scale, production-grade Android applications.

Top 3 Required Skills

• Android Development with Kotlin


• Jetpack Compose


• RxJava

Preferred Qualifications

• Experience with CI/CD pipelines for mobile app delivery


• Strong understanding of performance tuning and optimization techniques


• Hands-on expertise in Android security frameworks


• Experience working in Agile/Scrum teams


• Excellent communication and leadership skills