Senior Mobile

Overview

Client, in partnership with a leading transportation client, is seeking a Senior Principal Mobile & Cloud Full-Stack Engineer to design and develop next-generation, mobile-first, cloud-native applications supporting both operational and passenger systems. This is a high-impact hybrid role based in Washington, DC, requiring expertise across native mobile app development (iOS/Android) and cloud backend (AWS-based microservices). The ideal candidate will have deep experience with Swift, Kotlin, Java/Spring Boot, NodeJS, AWS ECS Fargate, and Lambda.

The role operates within a SAFe Agile framework, involving collaboration across product, architecture, and middleware teams, and participation in key SAFe ceremonies (e.g., PI Planning).

• Mobile Development:
  Build high-performance native apps for iOS (Swift/SwiftUI) and Android (Kotlin/Jetpack Compose), including Apple Watch and Wear OS integrations.
• Security & Authentication:
  Integrate enterprise identity providers using AWS Cognito, MSAL (Azure AD), and other SSO tools.
• Edge Computing & Offline-First:
  Develop features using Core Location/ARKit, BNNS/NNAPI, and P2P APIs to support low-bandwidth or offline environments.
• Backend for Frontend (BFF) Architecture:
  Build mobile-optimized microservices using Spring Boot (Java 21+) or NodeJS (22+) on AWS ECS Fargate.
• Data Integration:
  Aggregate data from enterprise sources (Mule Soft, Oracle, SQL Server) into mobile APIs using REST, GraphQL, or App Sync.
• Cloud Microservices:
  Create event-driven workflows using AWS Lambda, with hybrid persistence layers (Aurora PostgreSQL, DynamoDB, Redis).
• Enterprise Integration:
  Implement routing and messaging logic via Apache Camel, Kafka, Kinesis, SQS, and SNS.
• Dev Ops & CI/CD:
  Manage build/deployment pipelines with AWS Code Pipeline and Bitrise; define IaC with Cloud Formation/CDK or Terraform.
• Agile
  
  Collaboration:
  
  Participate in SAFe ceremonies, PI Planning, and cross-functional collaboration.
• Monitoring & Observability:
  Develop secure, observable architectures leveraging AWS Cloud Watch, Cloud Trail, X-Ray, and Dynatrace.

• Experience:
  
  7+ years in full-stack engineering with expertise in native mobile and cloud backend development.
• Languages & Frameworks:
  Proficiency in Swift, Kotlin, Type Script, Java (21+), and SQL; strong knowledge of SwiftUI, Jetpack Compose, Spring Boot, and ExpressJS/NestJS.
• Cloud
  
  Skills:
  
  Advanced experience with AWS ECS Fargate, Lambda, API Gateway, Cognito, SQS/SNS, Kinesis, Aurora PostgreSQL, DynamoDB.
• Integration:
  Hands-on experience with Apache Camel and event streaming (Kafka/Kinesis).
• Dev Ops/IaC:
  Proficiency with CI/CD tools (Bitrise, AWS Code Pipeline) and IaC frameworks (Cloud Formation, CDK, Terraform).
• Agile Methodology:
  Experience in SAFe or large-scale Agile environments.

• Familiarity with Intune MDM and enterprise mobility management.
• Experience designing low-latency, offline-first mobile applications.
• Strong communication, collaboration, and problem-solving abilities.
• Strategic, mobile-first mindset and self-organized approach.