Top Senior Android Engineer Jobs in Chicago, IL

Seeking an experienced Android Developer with 5+ years of mobile application development, expertise in Xamarin and .NET technologies, and strong project management skills.

Designs, develops, debugs, optimizes, and validates firmware and system software for high-performance IoT platforms across Linux, Android, and real-time operating systems. The role involves embedded programming, automated and unit testing, multi-core architecture debugging, architectural collaboration, cross-disciplinary feature development, and cloud-based validation at scale.

Lead Android engineer responsible for designing and delivering Android client solutions, partnering with cross-functional teams, mentoring junior engineers, leading major platform components, participating in agile ceremonies, reviewing code, and advocating mobile platform best practices. Emphasis on Kotlin, high-quality customer experiences, and cross-discipline collaboration.

Build and maintain mobile applications using React Native and native iOS/Android technologies. Write performant, maintainable code, participate in product and platform design discussions, support prototyping and internal testing, and test/debug apps across many devices. Ship production-quality mobile apps; published apps preferred.

Lead feature design and delivery for Android applications within a large payments program. Provide technical direction, ensure architecture and coding standards, collaborate with Product Owner, mentor engineers, guide planning and execution, and ensure solutions meet acceptance criteria with minimal technical debt. Work with CI/CD, REST APIs, and payment/point-of-sale integrations.

Designs, develops, and tests Android applications and architecture components for large-scale merchant/payment platforms. Delivers stories, mentors teammates, implements CI/CD and automated tests, performs spikes, automates releases, and ensures compliance and maintainability.

Build and own a clinical Android tablet app for a TMS medical device: implement USB/serial hardware integration, native bridges, binary protocols, robust safety/error handling, reliable medical data sync to cloud, and mentor engineers while ensuring polished UX and clinical-grade reliability.

Lead design and implementation of complex Android platform projects, build core frameworks and tooling, collaborate with product and design, drive Android best practices, review code and documentation, support app stability and performance, and participate in on-call rotation. Evangelize AI code-generation tools to document and create code.

As a Staff Software Engineer, you will define technical strategy for Drive-Thru solutions, standardize Android practices, and ensure seamless integration between mobile clients and backend services while mentoring peers.

Design, develop, test, and deploy advanced Android applications. Lead and mentor an Android team, conduct code reviews, collaborate with cross-functional teams and UX/UI designers, integrate RESTful and third-party APIs, troubleshoot complex issues, and optimize apps for performance, security, and scalability.

Build and ship native Android features for onboarding, accounts, cards, payments, transfers, rewards and AI-assisted journeys. Turn complex financial flows into simple mobile experiences, own app quality (performance, crashes, loading states), integrate APIs and secure authentication, and iterate using production feedback and analytics while collaborating with product, design, backend and AI engineers.

Build and improve features for Rare Candy's Android app using Kotlin and Jetpack Compose. Integrate with GraphQL APIs, fix bugs, and raise UI quality. Collaborate with product, design, and backend engineers, ship production work, and grow quickly under senior mobile leadership in a fast-moving startup.

Develop and maintain Android mobile applications in Kotlin. Implement MVVM/MVP and Clean Architecture, use DI frameworks, write unit tests, integrate network protocols (HTTP/REST/OAuth/JSON), publish apps to Google Play, follow code style and team development practices, and use Git and bug-tracking tools.

Design, build, and maintain high-quality Android applications using Kotlin/Java. Collaborate with product, design, backend, and QA teams to implement features, fix bugs, optimize performance, and ensure code quality through testing, code reviews, and CI/CD workflows.

Develop, maintain, and test Windows-based client and server applications using C#/.NET. Translate high-level requirements into detailed software requirements, implement features in a C#/.NET codebase (client/server), perform automated and manual testing, and work with data access, WCF/REST services, and SQL databases. Support migration and cloud modernization efforts toward Azure.

Technical leader for Android-native POS and handheld apps: define architecture, ensure offline-first reliability, drive cross-squad initiatives, mentor engineers, improve performance and developer productivity, and ship resilient, high-scale hospitality workflows.

Lead pre-sales engagements for Android mobility solutions: design integrated device+MDM+software solutions, run demos/POCs, support RFPs, and guide deployments to maximize uptime and TCO while coordinating delivery and support teams.

Build and ship Android features and foundational infrastructure for Netflix’s global app. Responsibilities include designing maintainable, testable code; developing shared frameworks and tooling; partnering with product, design, and engineering teams; modernizing Android practices; using automated testing; scoping projects and making technical trade-offs; and applying GenAI tools to improve development workflows.

The Android Developer will build and maintain AI-integrated Android applications, focusing on UX and system performance while collaborating with backend and ML engineers.

Design, build and ship native Android features using Kotlin and Jetpack Compose. Integrate REST APIs, improve performance and reliability, debug production issues, and create AI-assisted on-device experiences (TensorFlow Lite). Collaborate with product and design to simplify complex financial user journeys.

As an Android Software Engineer, you'll design and develop applications, enhance Android components, and improve telemetry solutions for device reliability in rugged tech environments.

Lead development of the Fable Android app: design and build high-quality experiences, drive architecture and performance improvements, collaborate with product/design/QE, mentor engineers, improve code quality and release reliability, and own features from concept to release.

Build and ship Android features and infrastructure for Netflix’s global streaming and discovery experiences. Design maintainable, testable software using modern Android technologies, collaborate with product and engineering teams, evaluate technical trade-offs, modernize codebases, and support shared client frameworks. Engineers may work on server-driven UI, ads platforms, SDKs, developer tooling, or high-scale real-time experiences while using automated testing and GenAI development workflows.

Design, build, and maintain core Android infrastructure, app architecture, developer frameworks, and release tooling. Implement cross-platform UI frameworks, server-driven UI, and scalable libraries using Kotlin, Java, Jetpack Compose, Dagger/Hilt, and GraphQL. Drive testability, performance, accessibility, and production tooling while collaborating with product and client teams to enable engineering velocity at scale.

Design and build scalable, maintainable Android client infrastructure and product experiences using Kotlin and modern Android tooling. Define best practices, write automated tests, improve app architecture (MVVM, unidirectional state), collaborate with product and design, mentor engineers, and lead high-impact projects to improve performance, quality, and developer velocity across the Netflix Android app.