CHARITHA

App Link: Citizens Bank

• Led the migration of Citizen's iOS app from UIKit to SwiftUI, modernizing the UI for a cleaner, modular, and adaptive architecture.
• Developed and enhanced the in-app account creation flow, transitioning from web-based redirection to a fully native iOS onboarding experience.
• Implemented the TMX (ThreatMetrix) flow for OTP verification, strengthening user authentication and fraud detection.
• Migrated legacy UIKit components to SwiftUI, improving performance, maintainability, and visual consistency.
• Built reusable SwiftUI components to support scalable UI design and improve development efficiency.
• Integrated GraphQL APIs using backend-provided schemas and mutations, handling queries, responses, and data models.
• Collaborated with backend engineers to align on GraphQL schema updates and ensure stable API integration.
• Utilized Postman to test and validate API responses before integration into production builds.
• Followed the MVVM architectural pattern to maintain a clean separation of concerns between UI and business logic.
• Used dependency injection and data binding within MVVM to streamline data flow between view models and views.
• Leveraged Jenkins CI/CD pipelines for build generation, continuous integration, and QA deployment.
• Performed end-to-end integration testing across account creation, OTP, and API modules.
• Conducted code reviews and refactoring to maintain code quality, performance, and scalability.
• Actively participated in Agile/Scrum ceremonies including sprint planning, daily stand-ups, and retrospectives.

App Link: AT&T

• Migrated RxSwift-based reactive programming to Combine, replacing Observable and Subject with Combine’s Publisher and Subscriber patterns.
• Integrated OAuth2 authentication for secure user login and session management, ensuring compliance with industry security standards.
• Built and managed a CI/CD pipeline using Jenkins, automating build, test, and deployment workflows to improve development efficiency.
• Optimized app performance by profiling SwiftUI components and Combine streams, addressing bottlenecks with Instruments and Datadog insights.
• Created comprehensive unit tests using XCTests and automated UI tests with XCUITests, ensuring robust test coverage and app reliability.
• Managed version control with Git, following GitFlow practices for efficient collaboration and release management.
• Documented migration processes for UIKit to SwiftUI and RxSwift to Combine, creating comprehensive guidelines for future development.
• App Link: AT&T

App Link: ADT

• Designed responsive screens using Auto Layout with constraints for adaptable UIs across devices, handling size classes and orientations efficiently.
• Developed features using both SwiftUI and Objective-C, bridging legacy code with modern Swift components for enhanced functionality.
• Redesigned the UI with Core Graphics and Core Animation, implementing smooth transitions and custom animations to improve user engagement.
• Migrated code from Objective-C to Swift, refactoring for readability and leveraging Swift’s modern features while ensuring backward compatibility.
• Developed and maintained custom Objective-C frameworks to encapsulate reusable components, improving code modularity and reducing redundancy across projects.
• Debugged and optimized legacy Objective-C codebases, resolving memory management issues with ARC (Automatic Reference Counting) and ensuring seamless app performance.
• Designed and consumed RESTful APIs for seamless backend integration, enabling efficient data transfer between the client and server.
• Developed a RESTful APIs wrapper for standardizing API interactions, ensuring authentication, caching, and error handling for a robust user experience.
• Implemented CircleCI for CI/CD, automating build, test, and deployment pipelines, ensuring code quality and seamless delivery.
• App Link: ADT

App Link: Zomato

• Collaborated with stakeholders to gather requirements, plan projects, and deliver a responsive and feature-rich iOS mobile application.
• Designed, developed, and tested applications for iPhone and macOS using Xcode and Objective-C, ensuring compatibility across devices and simulators.
• Led the seamless migration of legacy projects from Objective-C to Swift, leveraging bridging headers for effective integration and future scalability.
• Developed robust RESTful API integrations using URLSession and streamlined data processing with JSONSerialization in Swift.
• Designed and implemented push notification systems using Swift and CocoaTouch frameworks to enhance user engagement.
• Leveraged GitLab for version control, repository management, and collaboration through code reviews and Circle CI for automated CI/CD pipelines.