Top Senior Android Developer Jobs in Jacksonville, FL

Own Android and iOS mobile development for a large consumer VPN product. Inherit and modernize existing codebases, integrate native VPN networking libraries, improve security, testing, CI/CD, release management, and app-store compliance. Collaborate with product, design, backend, DevOps, and marketing teams to deliver reliable user-facing features. Diagnose networking issues across mobile and Go components, optimize connection performance, and use AI coding agents responsibly.

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.

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, and maintain Android point-of-sale software for high-availability, real-time restaurant systems focused on payments. Collaborate with product, design, and backend teams to deliver features, ensure quality through testing and code reviews, and address complex technical challenges. Provide technical leadership and mentorship while contributing to subsystem design focused on scalability, security, and performance.

Build secure, privacy-focused native Android applications using Kotlin, Maestro, and Graphite. Responsibilities include developing Android features, improving autofill, supporting Privacy Pro, and enhancing phishing and malware protection. The role requires end-to-end project ownership, effective UX collaboration using quantitative and qualitative data, creative problem-solving, and clear communication across cross-functional teams.

Leads mobile and digital software engineering efforts across iOS and Android initiatives. Provides architectural guidance, conducts design and code reviews, establishes design patterns, manages technical risks and dependencies, and guides teams through software delivery. Collaborates with business stakeholders, TPMs, and engineering managers, mentors developers, drives continuous improvement, and promotes best practices across Agile, waterfall, CI/CD, microservices, and cloud environments.

Design, build, and maintain Android tablet platform across firmware, bootloader/BSP, kernel, and device-tree layers. Support MediaTek platforms, integrate hardware components, ensure secure boot and OTA safety, maintain ROM build/release processes, develop device-side apps/tools in Kotlin/Java, run validation and QA, support factory flashing and field deployments, and provide on-call diagnostics and fixes.

The role involves software development and testing for customer-facing banking features, participating in the Agile SDLC, utilizing tools for coding and testing, and ensuring adherence to SDLC guidelines and ADA compliance while leading a scrum team.

Build and ship robust Android features for ClassPass in a large modular codebase. Collaborate with product and design, mentor junior engineers, conduct code reviews, write technical documentation, solve complex problems, improve systems, and contribute to architectural decisions using Kotlin and Jetpack Compose.

Develop platform support for Unity across Android mobile, laptop, and hybrid devices. Design scalable editor features, analyze and optimize runtime performance, establish benchmarks, resolve bugs, document technical designs, and improve quality through automated testing and code reviews. The role requires advanced C++, C#, and Android systems programming, experience with platform or runtime systems, multithreaded codebases, cross-language memory management, debugging, profiling, and collaboration across engineering teams.

Build and maintain production-quality mobile apps using React Native and native iOS/Android technologies. Write performant, maintainable code, participate in design discussions, prototype, test and debug on many devices, and support internal prototyping efforts.

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.

Design, develop, and maintain scalable Android applications using Kotlin/Java and Jetpack components. Integrate REST APIs, optimize performance and security, participate in architecture and deployment activities, troubleshoot and resolve issues, and collaborate with cross-functional teams in an Agile environment while supporting CI/CD and release management.

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.

Design and implement Kotlin/Java Android apps, frameworks, and SDKs for vehicle infotainment (AOSP/AAOS). Use test-driven development, collaborate with UX, product, cluster, and mobile teams, contribute to architecture and code reviews, and deliver high-quality embedded HMI features for EVs.

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.