Senior Android Engineer: Scale apps for 100M+ users (Remote)

COMFORT SYSTEMS; Madison (WI); Remote; USD 179,000 - 205,000; Full time

Job summary

Capital One is seeking a Mobile Engineer 4 - Android (Remote-Eligible) to join a fast-paced, collaborative team solving real customer problems. You will partner with engineers, designers and product managers to deliver high-performing features for 100M+ users.

You’ll provide technical leadership for mobile architecture, mentor engineers, and contribute to BFFs/SDUI architectures, testing strategies, and AI-assisted development. This role offers strong compensation and comprehensive benefits.

Qualifications

• Bachelor's degree or higher in CS or a related field.
• 4+ years of professional software engineering experience.
• 3+ years building native mobile apps for Android (Kotlin) or iOS (Swift).

Responsibilities

• Deliver high-performing features for 100M+ customers.
• Provide technical leadership for mobile architecture and design patterns.
• Mentor engineers and review code, sharing platform best practices.
• Grow subject matter expertise in performance, accessibility, and architecture.
• Contribute to API design reviews and reusable components.
• Lead design/development of BFFs and SDUI architectures.
• Lead feature flag strategies and staged rollouts.
• Champion AI tooling and AI-native development practices.
• Apply mastery of the mobile ecosystem to complex contributions.
• Drive quality, performance, accessibility and user empathy.

Skills

Android development

Kotlin

iOS development

Swift

Education

Bachelor's degree or higher in Computer Science or related field

Tools

SwiftUI

Jetpack Compose

Swift Testing

XCUI

JUnit

Espresso

GraphQL

gRPC/Protobuf

CoreML

TensorFlow Lite

Job description

Capital One is seeking a Mobile Engineer 4 - Android (Remote-Eligible) to join a fast-paced, collaborative team solving real customer problems. You will partner with engineers, designers and product managers to deliver high-performing features for 100M+ users.

You’ll provide technical leadership for mobile architecture, mentor engineers, and contribute to BFFs/SDUI architectures, testing strategies, and AI-assisted development. This role offers strong compensation and comprehensive benefits.