Sr. Full-Stack Mobile & Cloud Engineer Washington, DC (Hybrid)

Washington, AR - USA

Monthly Salary: Not Disclosed

Posted on: 27 days ago

Vacancies: 1 Vacancy

Job Summary

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 Amtraks 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 Amtraks 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/PLpgSQL
Frameworks: SwiftUI Jetpack Compose Spring Boot ExpressJS/NestJS AngularJS/Angular
Cloud Services: AWS ECS Fargate Lambda API Gateway Cognito SQS/SNS Kinesis Redis Aurora PostgreSQL DynamoDB CloudWatch CloudTrail Azure AD/MSAL
Integration: Apache Camel Kafka MuleSoft REST GraphQL AppSync
DevOps: AWS CodeDeploy CodePipeline CloudFormation/CDK Bitrise GitHub Actions Azure DevOps Dynatrace (nice to have)
Tools: JIRA Confluence XRay GitHub Enterprise Postman Docker

Required 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 Skills & Mindset
Strategic 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.

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 t...