Software Engineer III - Mobile Development

About the position

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III at JPMorgan Chase within the Commercial & Investment Bank - Payments Technology team, you will be an experienced member of an agile team, tasked with designing and delivering reliable, market-leading technology products that are secure, stable, and scalable. Your role involves implementing essential technology solutions across diverse technical domains, supporting various business functions to achieve the firm's strategic objectives.

Responsibilities

• Executes software solutions, develop, and maintain modular iOS frameworks with a focus on security, scalability, and performance.
• Implement secure authentication flows including OAuth2/OIDC, biometrics, and device attestation.
• Ensure platform integrity through jailbreak/root detection and runtime protection measures.
• Create clear, developer-friendly SDK APIs with comprehensive documentation and example projects.
• Adopt and implement latest iOS technologies such as Swift Concurrency, Combine, and Swift Package Manager.
• Collaborate closely with cross-functional teams to align SDK interfaces and security protocols.
• Write robust unit and integration tests and contribute to CI/CD pipeline improvements.
• Troubleshoot and resolve complex technical issues related to SDKs and mobile security.

Requirements

• Formal training or certification on iOS software engineering concepts and 3+ years applied experience.
• Strong proficiency in Swift and experience with UIKit and SwiftUI.
• Deep understanding of mobile security concepts including OAuth2, OpenID Connect (OIDC), PKCE, biometrics (Face ID/Touch ID), and secure storage (Keychain, Secure Enclave).
• Proven experience building and maintaining iOS SDKs or reusable frameworks.
• Familiarity with Apple's security APIs such as App Attest and DeviceCheck.
• Strong knowledge of modern concurrency patterns in Swift (async/await, Combine).
• Experience with API design, versioning, and backward compatibility.
• Excellent collaboration and communication skills.

Nice-to-haves

• Experience with Kotlin Multiplatform Mobile (KMM) or other cross-platform shared business logic frameworks.
• Contributions to open-source iOS SDKs or internal platform libraries.
• Familiarity with mobile telemetry, crash reporting, and analytics tools.
• Background in cryptography or secure protocol implementation.
• Experience with advanced iOS build systems, automated testing, and CI/CD pipelines.