Capital One

Mobile Engineer 4 (iOS)

Capital One
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1 day ago
McLean, VA, USAStaff+

Base Salary

$197k - $225k/yr

Responsibilities

  • Partner with software engineers, designers, and product managers to deliver high-performing mobile features for more than 100 million customers.
  • Provide technical leadership for mobile architecture, design patterns, API design reviews, and reusable component development.
  • Mentor engineers through feedback, code reviews, platform-specific guidance, and removal of technical obstacles.
  • Develop subject matter expertise in mobile performance, accessibility, architecture, and advanced native UI patterns.
  • Lead the design and development of client Backend-for-Frontends and Server-Driven UI architectures.
  • Define engineering practices for feature flags and staged rollouts to improve delivery and quality.
  • Champion agentic AI tools and AI-native development practices.
  • Make hands-on technical contributions across the modern iOS ecosystem while maintaining high standards for quality, performance, accessibility, testing, and user experience.

Requirements

  • Bachelor's degree or higher in Computer Science or a related quantitative field such as Statistics, Economics, Operations Research, Analytics, Mathematics, or 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 with Kotlin or iOS with Swift.
  • Preferred experience includes 4+ years building native Android or iOS applications and expertise with modern native UI frameworks such as SwiftUI or Jetpack Compose.
  • Preferred experience includes designing automated mobile testing suites with Swift Testing, XCUI, JUnit, or Espresso.
  • Preferred qualifications include native mobile performance optimization, scalable and modular mobile architectures, reusable component libraries, modern state management, and comprehensive automated testing.
  • Preferred qualifications include client Backend-for-Frontends using GraphQL and gRPC/Protobuf, Server-Driven UI, metrics-driven staged rollouts, feature flags, agentic AI coding tools, and AI-assisted workflows.
  • Familiarity with on-device ML frameworks such as CoreML or TensorFlow Lite is preferred.

Benefits

  • Capital One offers health, financial, and other benefits supporting employees' total well-being, with eligibility varying by employment and management status.
  • The role is a full-time position with applications accepted for at least 5 business days.

Tech Stack

GraphQLgRPCJetpack ComposeJUnitKotlinSwiftSwiftUI

Categories

Mobile
Capital One

About Capital One

10,000+ employees

Capital One is a U.S. consumer and commercial bank that offers credit cards, checking and savings accounts, auto financing, and lending to small and large businesses. It earns revenue from interest income and interchange/fees across its card and banking products, and develops cloud-based digital services. Founded in 1994, Capital One is publicly traded on the NYSE (COF) and is headquartered in McLean, Virginia.

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