Senior Mobile Engineer: Architect & Leader (iOS/Android)

Capital One; Plano (TX); On-site; USD 179,000 - 205,000; Full time

Job summary

Capital One is seeking a Mobile Engineer 4 to drive native mobile development for Android (Kotlin) and iOS (Swift) in Plano, TX. You will mentor teams, shape architecture, and lead client Backend-for-Frontends (BFFs) and Server-Driven UI (SDUI) initiatives.

You will work in Agile teams, champion automated testing and feature-flag strategies, and contribute to performance, accessibility, and user experience improvements while exploring AI-assisted workflows and on-device ML capabilities.

Qualifications

• Bachelor's Degree 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)

Responsibilities

• 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 other engineers, fostering their growth through feedback and code reviews
• Grow and provide subject matter expertise in key platform areas (e.g., performance, accessibility)
• Lead design and development of client Backend-for-Frontends (BFFs) and Server-Driven UI (SDUI) architectures
• Lead the implementation of feature flags and staged rollouts to improve product delivery and quality
• Champion agentic AI tools and AI-native development practices
• Apply mastery of the modern mobile ecosystem to make high-leverage technical contributions
• Drive a culture of quality, performance, accessibility, and customer empathy

Skills

Mobile engineering

Native mobile apps

Kotlin

Swift

Performance tuning

Automated testing

GraphQL

SDUI

Education

Bachelor's Degree in Computer Science or related field

Tools

GraphQL

gRPC/Protobuf

SwiftUI

Jetpack Compose

Job description

Capital One is seeking a Mobile Engineer 4 to drive native mobile development for Android (Kotlin) and iOS (Swift) in Plano, TX. You will mentor teams, shape architecture, and lead client Backend-for-Frontends (BFFs) and Server-Driven UI (SDUI) initiatives.

You will work in Agile teams, champion automated testing and feature-flag strategies, and contribute to performance, accessibility, and user experience improvements while exploring AI-assisted workflows and on-device ML capabilities.