Senior iOS Engineer – Platform & Architecture Lead

Capital One National Association; McLean (VA); On-site; USD 197,000 - 225,000; Full time

Job summary

Capital One National Association is seeking an iOS Mobile Engineer 4 to join our mobile product teams in McLean, VA. You’ll design, implement, and optimize high‑quality native iOS features for 100M+ customers, collaborating with peers across design, product, and backend services.

You should have 4+ years of mobile development experience (Swift) with modern UI frameworks like SwiftUI, and a track record of scalable architectures, testing, and performance tuning. This is a full‑time, on‑site role.

Qualifications

• 4+ years of professional mobile development experience.
• Experience building native iOS apps with Swift.
• Experience with SwiftUI and modern UI frameworks.
• Experience with automated testing for mobile is a plus.

Responsibilities

• Deliver high-performing features for 100M+ customers with cross-functional partners.
• Provide technical leadership for mobile architecture and patterns.
• MEntor engineers and conduct code reviews.
• Grow subject matter expertise in performance, accessibility, and architecture.
• Contribute to API design reviews and reusable components.
• Lead BFFs and SDUI architectures for scalable experiences.
• Improve delivery with feature flags and staged rollouts.
• Champion agentic AI tools in the development process.
• Apply deep knowledge of mobile ecosystem to complex contributions.
• Drive quality, performance, accessibility, and user empathy.

Skills

Mobile development

Native iOS/Android

Swift

Education

Bachelor's Degree in Computer Science or related field

Tools

SwiftUI

Jetpack Compose

XCUI

GraphQL

gRPC/Protobuf

CoreML

Job description

Capital One National Association is seeking an iOS Mobile Engineer 4 to join our mobile product teams in McLean, VA. You’ll design, implement, and optimize high‑quality native iOS features for 100M+ customers, collaborating with peers across design, product, and backend services.

You should have 4+ years of mobile development experience (Swift) with modern UI frameworks like SwiftUI, and a track record of scalable architectures, testing, and performance tuning. This is a full‑time, on‑site role.