Top Android Developer Jobs in Denver & Boulder, CO

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 maintain enterprise backend services (Java/Spring Boot) and native or cross-platform mobile apps (iOS/Android). Build REST APIs, frontend interfaces, CI/CD pipelines, and ensure security, performance, and production support in an Agile environment.

Lead architecture and delivery of enterprise Android applications and media playback at scale. Drive OEM and vendor integrations, modularize codebases, establish observability and CI/CD, improve streaming performance (ExoPlayer/Media3, HLS/DASH, DRM), and introduce AI-assisted engineering workflows to increase reliability and team throughput.

Lead design, develop, test, and maintain full-stack Java enterprise applications and native mobile apps (iOS/Android). Build Spring Boot microservices, responsive frontends (Angular/React/Vue), integrate APIs, ensure security and performance, participate in CI/CD and DevOps, mentor engineers, and support app releases and production troubleshooting.

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.

Own end-to-end delivery of Android features for the MLB app: design and implement Kotlin/Jetpack Compose UIs, integrate REST/GraphQL, ensure reliability and performance, monitor rollouts with observability tools, diagnose production issues, write and run tests in CI, mentor teammates, and apply GenAI tools responsibly to accelerate development.

Design, develop, and maintain mobile applications in Kotlin, ensuring healthcare compliance, collaborating with teams, and mentoring others.

Design, build, and maintain high-quality Android app features within cross-functional squads. Collaborate with PMs, designers, backend, firmware, and QA. Improve Android codebase, contribute to architecture, code reviews, testing, and mentor engineers while owning projects end-to-end from design to release and maintenance.

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 design and development of high-performance, offline-capable iOS (iPad) and Android apps for mission-critical drone operations. Build real-time maps, video streaming, telemetry overlays; integrate with hardware; optimize battery, memory, and latency; implement offline-first sync; collaborate with backend/hardware teams; mentor engineers and establish CI/CD, testing, and security best practices.

Lead the development of Android products, design SDKs, enhance security measures, collaborate with cross-functional teams, and innovate in fraud prevention.

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.

Design, build, and ship native Android features in Kotlin for BJAK's AI Neobank app. Integrate backend APIs, improve performance, reduce crashes, collaborate with product/design, use analytics to iterate, and add on-device AI where it improves UX.

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, test, and maintain Android apps using Kotlin (and Java when needed). Collaborate with product, design, backend, and QA teams; implement responsive UIs, integrate REST APIs and third-party SDKs, optimize performance, support Play Store deployments, and follow SDLC standards.

Design and implement Kotlin-based Android/AOSP/AAOS apps, frameworks, and SDKs for vehicle infotainment. Deliver features and fixes, use TDD, perform code reviews, write design docs and roadmaps, collaborate with UX/product/engineering, and provide technical leadership.

As a Senior Android SDK Engineer, you will design and implement SDK features, maintain integrations with ad networks, and ensure SDK performance and reliability for mobile apps.

Lead technical ownership of the Gateway Android app for a safety-critical mobile cardiac telemetry product. Architect and implement reliable long-running Android applications, make architectural decisions, write production code, drive design discussions and code reviews, mentor engineers, and establish durable engineering practices. Collaborate with cross-functional teams and ensure robust BLE, background execution, and secure communication capabilities.

Design and implement custom Android system services, AIDL interfaces, and hardware abstractions for headless AOSP devices. Build system-level features in Kotlin/Java/Rust/C++, diagnose OS-level memory and concurrency issues, create CTS/VTS tests and update pipelines, and perform root-cause analysis on tombstones and kernel logs across Qualcomm-based hardware.

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.

The Sr. Android Developer will design and develop Android applications, utilizing Java or Scala while ensuring scalability and adherence to design patterns and principles.

Seeking an Android Developer with 1-2 years of experience in mobile application development, focusing on location-based services and API interactions.

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