Mobile Engineer 4
About The Position
Capital One is hiring a Mobile Engineer to help transform the enterprise by building native mobile experiences for iOS and Android customers. The role works in small, collaborative Agile teams with software engineers, designers, and product managers to deliver high-performing, quality features for more than 100 million customers. The company provides MacBook Pros, high-end monitors, and development tooling. The engineer provides technical leadership in mobile architecture and design, mentors other engineers, and contributes platform expertise in areas such as performance, accessibility, and architecture. The role also leads development of client Backend-for-Frontends (BFFs) and Server-Driven UI (SDUI) architectures, improves engineering practices for feature flags and staged rollouts, and promotes the use of agentic AI tools and AI-native development practices. The position includes hands-on technical contributions across the modern mobile ecosystem and promotes high standards for code quality, testing, performance, accessibility, and user experience.
Requirements
- Bachelor's degree or higher in Computer Science or a related quantitative field, including 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 using Kotlin or iOS using Swift.
Nice To Haves
- At least 4 years of experience building native mobile applications for Android using Kotlin or iOS using Swift.
- 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 tuning and optimizing performance 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 to orchestrate mobile client data using technologies such as GraphQL and efficient networking protocols such as 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 machine learning frameworks such as CoreML or TensorFlow Lite.
Responsibilities
- Partner with software engineers, designers, and product managers to deliver high-performing, quality features for customers.
- Provide technical leadership for mobile architecture and design patterns.
- Mentor engineers through feedback, code reviews, and sharing platform-specific best practices, and help identify and remove technical obstacles.
- Develop subject matter expertise in areas such as 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 for feature flags and staged rollouts to improve product delivery and quality.
- Champion adoption of agentic AI tools and mentor engineers in AI-native development practices.
- Make hands-on technical contributions using modern mobile ecosystem capabilities and advanced UI patterns.
- Promote quality, performance, accessibility, customer empathy, and high standards for coding, testing, and user experience.
Benefits
- Comprehensive health, financial, and other benefits supporting total well-being.
- Performance-based incentive compensation, which may include cash bonuses and/or long-term incentives.
- MacBook Pros, multiple high-end monitors, and development tooling.
Stand Out From the Crowd
Upload your resume and get instant feedback on how well it matches this job.
What This Job Offers
Job Type
Full-time
Career Level
Senior
