Senior Android Engineer (IC) & Architecture Leader

Capital One; New York (NY); On-site; USD 215,000 - 246,000; Full time

Job summary

Capital One is seeking an Android Mobile Engineer 4 who will lead mobile architecture decisions, mentor engineers, and deliver high-quality, scalable Android experiences for millions of customers. You will collaborate with product, design, and backend teams in a fast-paced, Agile setting, while advancing performance, accessibility, and testing practices.

The role emphasizes hands-on coding, architectural leadership, and cross-functional collaboration.

Qualifications

• Bachelor's Degree or higher in Computer Science or a related quantitative field.
• At least 4 years of professional software engineering experience.
• 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).
• Demonstrated experience with modern native UI frameworks (Jetpack Compose).
• Demonstrated experience designing and building automated testing suites for mobile (e.g., JUnit, Espresso).
• Proven experience with performance tuning and optimization on native mobile platforms.
• Demonstrated experience designing scalable mobile architectures and reusable component libraries.

Responsibilities

• Partner with engineers, designers, and product managers to deliver high-performing features for 100M+ customers.
• Provide technical leadership for mobile architecture and design patterns.
• Mentor engineers and conduct code reviews to remove obstacles.
• Grow subject matter expertise in performance, accessibility, and architecture.
• Contribute to mobile architecture decisions and API design reviews.
• Lead Android architecture design to deliver scalable experiences.
• Champion feature flags and staged rollouts to improve delivery and quality.
• Advise on agentic AI tools and AI-native development practices.
• Apply deep knowledge of mobile ecosystems to deliver impactful contributions.
• Drive a culture of quality, performance, and customer empathy.

Skills

Android development

Mentoring

Team collaboration

Performance optimization

Education

Bachelor's Degree in Computer Science or related field

Tools

Kotlin

Swift

Jetpack Compose

JUnit

Espresso

Java

Job description

Capital One is seeking an Android Mobile Engineer 4 who will lead mobile architecture decisions, mentor engineers, and deliver high-quality, scalable Android experiences for millions of customers. You will collaborate with product, design, and backend teams in a fast-paced, Agile setting, while advancing performance, accessibility, and testing practices.

The role emphasizes hands-on coding, architectural leadership, and cross-functional collaboration.