Mobile Engineer 4 – Android

Capital One

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

Posted 9/22/2026full-timeRemote • Virginia • United StatesMid-LevelSenior💰 $179,400 - $204,700 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in mobile architecture, design patterns, and performance optimization, with a strong focus on building native mobile applications for Android and iOS. Proven ability to lead technical initiatives, mentor engineers, and implement modern development practices, including automated testing and AI-assisted workflows.

Highest-signal resume keywords

Mobile Application DevelopmentKotlin ProgrammingSwift ProgrammingAutomated TestingBackend-for-Frontends (BFF) Architecture

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Mobile ArchitecturePerformance TuningReusable Component DevelopmentNative UI FrameworksFeature Flag StrategiesServer-Driven UI (SDUI)GraphQLGRPCCoreMLTensorFlow Lite

Soft Skills

Technical LeadershipMentoringCollaborationProblem SolvingFeedback Delivery

Tools & Technologies

SwiftUIJetpack ComposeXCUIJUnitEspresso

Certifications & Qualifications

Bachelor's Degree in Computer Science

Industry Keywords

Mobile DevelopmentAI-Native DevelopmentAccessibilityUser ExperienceModular Architecture

Tech Stack

Tools & technologies

AndroidGraphQLGRPCiOSJUnitKotlinSwiftTensorflow

About the role

Key responsibilities & impact

Partner with software engineers, designers, and product managers to deliver high-performing, quality 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 (BFFs) and Server-Driven UI (SDUI) architectures
Lead engineering practices, including feature flags and staged rollouts
Champion adoption of agentic AI tools and AI-native development practices
Make hands-on technical contributions using advanced mobile platform capabilities and UI patterns
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 (Statistics, Economics, Operations Research, Analytics, Mathematics, Engineering)
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 (BFFs) using technologies such as GraphQL and efficient networking protocols such as gRPC/Protobuf
Experience with Server-Driven UI (SDUI) 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 for this position

Benefits

Comp & perks

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