Role : Sr. Full-Stack Mobile & Cloud Engineer (Native iOS / Android + AWS / Azure BFF)
Location : Washington, DC (Hybrid)
Duration : Long term
Important Note :
- We have shifted to adopting SAFe and
- Encourage Contractors trained in SAFe
- Request that contractors have camera available and on majority of the time
- Set expectations that they are part of Agile team on which we need them to embrace self-management and self-organization in terms of their iteration commitments, capacity planning, capacity allocation, etc.
- As long as they can come DC on need basis and attend the important SAFe ceremonies like PI onsite.
Overview
Amtrak Digital Technology is seeking a Senior Full-Stack Mobile & Cloud Engineer experienced in designing and developing native iOS and Android applications that interface with modern AWS and Azure-based back-end architectures. This role focuses on delivering mobile-first, cloud-native solutions that power the next generation of Amtrak's operational and passenger applications for conductors, onboard staff, and customer service agents. The ideal candidate combines hands-on experience with Swift / SwiftUI, Kotlin / Jetpack Compose, and AngularJS / Angular front-end development with experience in AWS ECS Fargate, Lambda, Aurora PostgreSQL, and Back-End for Front-End (BFF) frameworks such as Spring Boot, NodeJS, and Apache Camel.
Key Responsibilities
Mobile App Development (iOS & Android)
Design and develop native iOS (Swift, SwiftUI) and Android (Kotlin, Jetpack Compose) applications.Integrate with AWS Cognito User & Device Pools, MSAL (Azure AD), and enterprise SSO.Implement peer-to-peer communication APIs (MultipeerConnectivity, Nearby Connections).Build indoor wayfinding experiences using CoreLocation, iBeacon, ARKit (iOS) and ARCore (Android).Extend functionality to Apple Watch and Wear OS devices using SwiftUI and Compose frameworks.Leverage BNNS (Basic Neural Network Subroutines) and Android NNAPI for on-device intelligence.BFF (Back-End for Front-End) Architecture
Architect and develop BFF microservices using Spring Boot (Java 21+) or NodeJS (22+) running on AWS ECS Fargate.Shape and aggregate data from multiple sources (MQ, MuleSoft, Oracle, SQL Server, DataBricks) into mobile-optimized JSON APIs.Use GraphQL, REST, or AppSync patterns to deliver adaptive payloads to client apps.Implement Apache Camel for routing, transformation, and integration with Kafka, Kinesis, SQS, and SNS.Manage API versioning, schema evolution, and delta synchronization optimized for low-bandwidth environments.Cloud and Data Integration
Build and maintain AWS Lambda (NodeJS & Java) microservices for real-time and event-driven workflows.Work with Aurora PostgreSQL, DynamoDB, and Redis for hybrid persistence and caching layers.Develop streaming integrations using AWS Kinesis and Kafka for event ingestion.Design secure, observable, and scalable cloud architectures using AWS CloudWatch, CloudTrail, and X-Ray.DevOps & CI / CD- Implement automated build and deployment pipelines using AWS CodeBuild, CodeDeploy, CodePipeline, and Bitrise for native iOS and Android.
Manage container orchestration on AWS ECS Fargate.Define and monitor CloudFormation / CDK or Terraform infrastructure as code.Apply continuous integration and delivery practices aligned with Amtrak's enterprise DevSecOps standards.Experience with Dynatrace for end-to-end application monitoring (nice to have).Agile / SAFe Collaboration
Operate within a SAFe Agile framework, contributing to PI Planning, backlog grooming, sprint execution, and retrospectives.Collaborate with Product Owners, Architects, and Middleware teams to ensure alignment between mobile UX and backend capabilities.Participate in technical design reviews, security assessments, and architecture councils.Required Technical Skills
Languages : Swift, Kotlin, TypeScript, Java 21+, NodeJS 22+, SQL / PLpgSQLFrameworks : SwiftUI, Jetpack Compose, Spring Boot, ExpressJS / NestJS, AngularJS / AngularCloud Services : AWS ECS Fargate, Lambda, API Gateway, Cognito, SQS / SNS, Kinesis, Redis, Aurora PostgreSQL, DynamoDB, CloudWatch, CloudTrail, Azure AD / MSALIntegration : Apache Camel, Kafka, MuleSoft, REST, GraphQL, AppSyncDevOps : AWS CodeDeploy, CodePipeline, CloudFormation / CDK, Bitrise, GitHub Actions, Azure DevOps, Dynatrace (nice to have)Tools : JIRA, Confluence, XRay, GitHub Enterprise, Postman, DockerRequired Experience
Experience integrating mobile apps with real-time operational systems (e.g., seat reservations, onboard data capture, safety / aware systems).Proven ability to bridge mobile UI with complex enterprise middleware (AWS / Azure / MuleSoft).Familiarity with Intune MDM and enterprise mobility management (eMD device management).Experience with P2P, offline-first, and low-latency design patterns for mobile field operations.Strong understanding of AWS and Azure hybrid cloud interoperability.Soft Skills & MindsetStrategic, mobile-first thinker with a passion for cloud innovation and modern DevOps.Collaborative and adaptable thrives in large, multi-disciplinary Agile programs.Detail-oriented and proactive in identifying risks, optimizations, and scalability opportunities.Clear communicator capable of translating technical designs into actionable user stories and deliverables.