Mobile Engineer - iOS Developer

On-site Mobile Engineer role focused on building and maintaining iOS banking applications for Central Bancompany.

Responsibilities

• Deliver full life cycle development for native iOS mobile applications using Objective-C, Swift, and SwiftUI.
• Apply and follow coding standards in day-to-day development work.
• Troubleshoot issues and implement solutions across iOS features and production systems.
• Partner with users to identify problems and clarify design requirements.
• Collaborate with a team to complete programming projects on a timely schedule.
• Document changes and operate independently within the Systems Development Life Cycle (SDLC).
• Multitask and prioritize tasks to support production needs.
• Independently maintain and enhance production iOS banking applications.
• Maintain Objective-C and UIKit code while developing and supporting Swift and SwiftUI features.
• Support Apple Watch and watchOS applications, including WidgetKit extensions, app extensions, and related device integrations.
• Work within Xcode projects and manage schemes, multiple bank and environment configurations, code signing, provisioning, versioning, and App Store distribution.
• Implement and support security-sensitive capabilities including Keychain, biometric authentication, secure networking, and certificate pinning.
• Support payment-related device provisioning such as payment-pass provisioning and other security-sensitive integrations.
• Participate in testing, release validation, production diagnosis, incident response, and documentation of customer-impacting issues.

Requirements

• Experience with iOS application development and programming in an Xcode environment.
• Knowledge of Swift and SwiftUI.
• Professional experience maintaining and releasing native iOS applications in a production environment; banking or other security-sensitive experience is preferred.
• Strong working knowledge of UIKit, Objective-C interoperability, Swift, SwiftUI, and legacy-code maintenance.
• Experience with Apple Watch and watchOS, WidgetKit, app extensions, URLSession, and RESTful service integration.
• Experience with Xcode schemes, multiple targets or configurations, code signing, provisioning profiles, App Store distribution, and release troubleshooting.
• Experience with Keychain, biometrics, certificate pinning, secure credential handling, payment integrations, and third-party SDKs.
• Experience writing or maintaining unit, UI, integration, or release-validation tests.
• Experience with RESTful web services; JSON and XML is desired.
• Experience building, testing, and distributing iOS and Android applications is desired.
• Working knowledge of AI-assisted development tools: use AI coding assistants and design-to-code generation effectively with standard prompts, aligned design tokens, and the judgment to review, test, and correct AI-generated code before committing.
• Strong written and verbal communication skills across business and technical audiences.
• Strong analytical skills, self-motivation, and attention to detail.
• Good organizational and time management skills.
• High School diploma or equivalent.
• BS or BA in Computer Science or a related field.

Technologies

• iOS, Objective-C, Swift, SwiftUI, UIKit
• Xcode, Apple Watch, watchOS, WidgetKit
• app extensions, URLSession, RESTful service integration
• Keychain, biometric authentication, secure networking, certificate pinning
• payment-pass provisioning, App Store distribution
• Xcode schemes, code signing, provisioning profiles
• unit tests, UI tests, integration tests, release-validation tests
• RESTful web services, JSON, XML
• Android
• AI coding assistants, design-to-code generation, AI-assisted development tools

Location: Jefferson City, MO (onsite)

Education: BS or BA in Computer Science or related field