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Capital One

Mobile Engineer 4 – Android

Capital One

. Partner with software engineers, designers, and product managers to deliver high-performing features for 100M+ customers .

Posted 9/25/2026full-timeRemote • Virginia • United StatesMid-LevelSenior💰 $179,400 - $204,700 per yearWebsite

Tech Stack

Tools & technologies
AndroidGraphQLGRPCiOSJUnitKotlinSwiftTensorflow

About the role

Key responsibilities & impact
  • Partner with software engineers, designers, and product managers to deliver high-performing features for 100M+ customers
  • Provide technical leadership for mobile architecture and design patterns
  • Mentor engineers through feedback, code reviews, and platform-specific best practices
  • Identify and clear technical obstacles
  • Grow and provide subject matter expertise in performance, accessibility, and architecture
  • Contribute to mobile architecture decisions, API design reviews, and reusable component development
  • Lead the design and development of client Backend-for-Frontends and Server-Driven UI architectures
  • Lead engineering practices and define best practices for feature flags and staged rollouts
  • Champion adoption of agentic AI tools and mentor engineers in AI-native development practices
  • Apply advanced mobile ecosystem expertise to make high-leverage technical contributions
  • Establish high standards for coding, testing, performance, accessibility, and user experience

Requirements

What you’ll need
  • Bachelor's Degree or higher in Computer Science or a related quantitative field
  • At least 4 years of professional software engineering experience; internship experience does not apply
  • At least 3 years of experience building native mobile applications for Android (Kotlin) or iOS (Swift)
  • Proven experience building native mobile applications for Android (Kotlin) or iOS (Swift)
  • Demonstrated experience with modern native UI frameworks such as SwiftUI or Jetpack Compose
  • Experience designing and building automated mobile testing suites, such as Swift Testing, XCUI, JUnit, or Espresso
  • Experience with performance tuning and optimization on native mobile platforms
  • Experience designing scalable mobile architectures and reusable component libraries
  • Experience implementing and maintaining comprehensive automated testing
  • Experience with modular architecture and modern state management patterns
  • Experience designing and developing client Backend-for-Frontends using technologies such as GraphQL and gRPC/Protobuf
  • Experience with Server-Driven UI architectures
  • Experience with metrics-driven staged rollout and feature flag strategies
  • Expertise with agentic AI coding tools and AI-assisted workflow patterns
  • Familiarity with on-device ML frameworks such as CoreML or TensorFlow Lite
  • Capital One will not sponsor a new applicant for employment authorization or offer immigration-related support
  • Must meet applicable employment authorization requirements without employer immigration support

Benefits

Comp & perks
  • Top-of-the-line MacBook Pros
  • Multiple high-end monitors
  • Necessary tooling to develop products
  • Comprehensive, competitive, and inclusive health, financial and other benefits supporting total well-being
  • Performance-based incentive compensation, which may include cash bonuses and/or long-term incentives (LTI)