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JetBlue · 2 days ago

Senior Principal Engineer Mobile

New York, NY

Full-time

Onsite

Senior Level, Lead/Staff

$135K/yr - $210K/yr

6+ years exp

JetBlue is seeking a Senior Principal Engineer, Mobile to define and execute the mobile architecture strategy across iOS and Android platforms. This role involves leading the design and implementation of complex mobile experiences while driving alignment with JetBlue’s digital transformation roadmap.

Air TransportationTransportation

No H1B

Responsibilities

Lead architecture, design, and modernization efforts for JetBlue’s native iOS (Swift/SwiftUI) and Android (Kotlin/Jetpack Compose) applications

Define and implement strategies for replacing legacy codebases with modern, modular, testable architectures following MVVM and Clean Architecture patterns

Architect and optimize mobile integration patterns with Azure-hosted microservices, ensuring resilience, authentication (OKTA/JWT/OAuth 2.0), and efficient offline and retry mechanisms

Own and evolve shared mobile frameworks and SDK integrations (e.g., AppDynamics, mParticle, FullStory, Braze, ASAPP) to ensure consistent telemetry, analytics, and user experience across platforms

Lead performance and reliability initiatives targeting 99.5%+ crash-free rates, sub-2-second launch times, and optimized network performance

Establish and champion mobile engineering best practices — dependency injection (Hilt, iOS Containers), testing strategies (unit/UI/integration), CI/CD pipelines (Fastlane, GitHub Actions), and automated release processes

Collaborate with backend and product engineering teams to shape mobile API contracts, capability models, and build-vs-buy evaluations for third-party SDKs

Drive mobile security practices including certificate pinning, biometric authentication, and secure credential management using platform-specific best practices

Mentor and coach iOS, Android, and full stack engineers on modern platform features (e.g., Swift Concurrency, Kotlin Coroutines, declarative UI) and architectural decision making

Champion cross-platform consistency, reusable service design, and capability-first engineering across JetBlue’s Digital Customer Experience ecosystem

Other duties as assigned

Qualification

Swift/SwiftUIKotlin/Jetpack ComposeMobile architecture designCI/CD automationMicroservices integrationMobile API communicationCloud integrationMobile observabilityAgile software developmentMentorship skills

Required

Bachelor's Degree in Computer Science, Computer Engineering, or related discipline; OR demonstrated equivalent capability with at least four (4) years of additional relevant experience

Six (6) years of professional mobile engineering experience, including large-scale, customer-facing native app delivery

Proven experience architecting and delivering enterprise-grade mobile applications using Swift/SwiftUI and Kotlin/Jetpack Compose

Deep expertise in mobile architecture design (Clean Architecture, MVVM), modularization, and microservices integration

Experience developing and optimizing mobile API communication with secure authentication (OAuth 2.0/JWT) and network resiliency techniques

Strong knowledge of CI/CD automation for mobile (Fastlane, GitHub Actions, Bitrise, Jenkins) and test frameworks (XCTest, Espresso)

Proficiency in cloud and backend integration with Azure or equivalent (AWS/GCP) platforms

Subject matter expertise in mobile observability and performance monitoring using AppDynamics, Firebase, or similar tools

Strong mentorship skills and experience influencing technical direction across multi-platform engineering teams

Available for moderate overnight travel (up to 10%)

Must pass a pre-employment drug test

Legally eligible to work in the country in which the position is located

Authorization to work in the US is required, this position is not eligible for visa sponsorship

Preferred

Eight (8) or more years of professional mobile development experience in enterprise environments

Demonstrated leadership in multi-platform modernization initiatives, including cap-and-grow or large-scale codebase re-architecture

Experience with feature flagging, A/B testing frameworks, and mobile-first capability rollout strategies

Deep understanding of security and compliance for mobile applications (e.g., PCI, GDPR)

Experience in Agile software development and cross-functional collaboration across engineering, product, and design

Benefits

Performance bonuses

Restricted stock units

Access to healthcare benefits

A 401(k) plan and company match

Crewmember stock purchase plan

Short-term and long-term disability coverage

Basic life insurance

Free space available travel on JetBlue

And more

Company

JetBlue

Glassdoor3.7

When JetBlue first took flight in February 2000, our founding goal was to bring humanity back to air travel, and over two decades later, we still put our customers, crewmembers and communities at the center of everything we do.

Founded in 1998

Long Island City, New York, USA

10001+ employees