Senior iOS Full Stack Engineer - Enterprise Mobile & Cloud

Jobtome; Washington (District of Columbia); On-site; USD 140,000 - 190,000; Full time

Job summary

Jobtome is seeking an experienced Senior iOS Full Stack Engineer to design, develop, and maintain enterprise-grade native iOS apps and supporting AWS cloud services.

The role emphasizes strong Swift/Objective-C expertise, offline-first data strategies, and secure cloud integrations within a SAFe environment, with leadership for mobile architecture and end-to-end delivery. Expect cross-functional collaboration and performance optimization across iPhone and iPad platforms.

Qualifications

• Extensive hands-on experience developing enterprise-grade native iOS applications using Swift and Objective-C.
• Strong knowledge of iOS application architecture, mobile development frameworks, and modern concurrency models.
• Experience designing and implementing offline-first mobile applications.
• Hands-on experience with Core Data, local data persistence, transactional queueing, and synchronization mechanisms.
• Experience with peer-to-peer or edge synchronization frameworks such as Ditto or Infinite PeerConnect.
• Practical experience integrating mobile applications with AWS cloud services.
• Working knowledge of AWS API Gateway, Lambda, ECS Fargate, and Cognito.
• Experience developing or integrating REST APIs and Backend-for-Frontend (BFF) architectures.
• Strong understanding of OAuth 2.0, OpenID Connect (OIDC), secure authentication, and device-level data protection.
• Experience integrating external hardware peripherals, including barcode scanners and Bluetooth/BLE devices.
• Knowledge of mobile application performance optimization, thread safety, crash reporting, and accessibility standards such as VoiceOver.
• Experience with mobile application monitoring tools such as Dynatrace RUM.
• Strong understanding of API integration, contract testing, API idempotency, and mobile-to-cloud data synchronization.
• Experience working in Agile/Scrum or SAFe development environments.

Responsibilities

• Design, develop, and maintain high-performance native iOS applications using Swift, Objective-C, and modern concurrency frameworks.
• Architect offline-first apps with local data persistence and synchronization.
• Develop peer-to-peer and edge sync using Ditto or Infinite PeerConnect.
• Build and integrate iOS apps with AWS-based Backend-for-Frontend (BFF) services and REST APIs.
• Implement secure authentication and authorization using OAuth 2.0, OpenID Connect (OIDC), and AWS Cognito.
• Support iPhone and iPad development across devices.
• Collaborate with backend teams on API contracts and data schemas.
• Participate in SAFe/Agile ceremonies and PI planning.
• Ensure performance, thread safety, and data integrity.
• Integrate Dynatrace RUM and crash reporting.

Job description

Jobtome is seeking an experienced Senior iOS Full Stack Engineer to design, develop, and maintain enterprise-grade native iOS apps and supporting AWS cloud services.

The role emphasizes strong Swift/Objective-C expertise, offline-first data strategies, and secure cloud integrations within a SAFe environment, with leadership for mobile architecture and end-to-end delivery. Expect cross-functional collaboration and performance optimization across iPhone and iPad platforms.