Available to hire
I am a Senior iOS Engineer with over 12 years of experience developing secure, scalable applications for Fortune 500 clients in banking, fintech, and VoIP. I have expertise in modern iOS architecture such as SwiftUI, Combine, and MVVM, and am proficient in full SDLC including CI/CD, GraphQL, and UIKit. My career highlights include migrating legacy UIKit codebases to SwiftUI to optimize performance, implementing accessibility and security standards, and leading Agile teams to deliver enterprise-grade solutions.
Throughout my career, I have worked with major clients such as Mastercard, Nedbank, and Avaya, developing and maintaining complex mobile applications with a strong focus on user experience, code quality, and business alignment. I am passionate about mentoring developers, streamlining processes, and consistently enhancing product releases with cutting-edge technologies and best practices.
Skills
Language
English
Fluent
Work Experience
Technical Lead at Infinite Computer (Client: Avaya)
June 1, 2025 - August 29, 2025Led development and maintenance of VoIP and Unified Communication features in the Avaya Workplace iOS app, using Swift, UIKit, and Combine for asynchronous event handling. Migrated parts of legacy Objective-C codebase to Swift 6.x, improving readability and performance. Developed new calling features adhering to iOS Human Interface Guidelines and worked closely with backend SIP/VoIP teams for integration. Automated build and deployment pipelines with Fastlane, improving release efficiency by 80%, and implemented unit and integration tests to enhance release quality.
Technical Lead at Infinite Computer (Client: Avaya)
June 1, 2025 - August 29, 2025Led the development and maintenance of VoIP and Unified Communication features within the Avaya Workplace iOS app using Swift, UIKit, and Combine. Migrated legacy Objective-C codebase to Swift 6.x enhancing readability and performance. Implemented call handling features in line with iOS guidelines and worked closely with SIP/VoIP backend teams for integration and push notification-based wake-ups. Automated build and deployment pipelines reducing manual effort by 80%, and utilized Core Bluetooth for accessory communication. Participated in Agile ceremonies and improved release quality through automated testing.
Senior iOS Developer at Nagarro Software (Client: Nedbank)
October 1, 2024 - August 29, 2025Led cross-functional teams in designing and building new features while ensuring design guideline compliance and collaboration. Spearheaded migration from UIKit to SwiftUI to improve maintainability and performance. Maintained coding standards with over 85% unit test coverage using XCTest. Managed CI/CD pipelines with Azure DevOps and Splunk. Mentored junior developers and conducted peer code reviews. Implemented Adobe Analytics and Apollo GraphQL APIs to enhance data fetching and user insights. Actively participated in Agile ceremonies and ensured swift resolution of App Store rejections to maintain release velocity.
Senior iOS Developer at Nagarro Software (Client: Nedbank)
October 1, 2024 - August 29, 2025Led cross-functional iOS teams designing and delivering features for the Nedbank Money App, focusing on SwiftUI migration and maintainability. Enforced coding standards and unit test coverage above 85%. Implemented CI/CD pipelines using Azure DevOps and Splunk. Mentored junior developers and actively participated in peer code reviews and Agile ceremonies. Integrated GraphQL APIs with Apollo, Adobe Analytics, and maintained rapid resolution of App Store rejections ensuring continuous release velocity.
Senior Engineer at Mastercard
June 1, 2022 - August 29, 2025Managed iOS development for banking applications with responsibilities including feature delivery, performance optimization, and codebase stability. Led UIKit to SwiftUI migrations and collaborated with global teams across multiple locations. Resolved Apple App Store rejections promptly and integrated third-party frameworks to develop prototypes. Maintained technical documentation and improved product quality via rigorous code reviews and unit testing. Implemented Firebase Crashlytics and Analytics for real-time crash reporting and user behavior tracking. Provided mentorship and technical leadership to foster a high-performing development team.
Senior Engineer at Mastercard
June 1, 2022 - August 29, 2025Managed iOS banking app development, delivering new features and improving performance and code stability. Championed SwiftUI adoption and UIKit to SwiftUI migrations across global teams. Facilitated Agile project management with sprint planning and backlog refinement. Integrated Firebase Crashlytics and Analytics to monitor product quality and user behavior. Provided mentorship and technical leadership while resolving App Store rejections efficiently. Developed biometric authentication SDK and SDK-based co-branded apps focused on seamless transaction experiences without passwords or OTP.
Education
Master’s in Computer Application at R.N.S Institute of Technology, V.T.U University Bangalore, India
January 11, 2030 - April 1, 2011Bachelor of Computer Application at Co-Operative College, Ranchi University Jamshedpur, India
January 11, 2030 - May 1, 2007Master’s in Computer Application at R.N.S Institute of Technology, V.T.U University Bangalore, India
January 11, 2030 - April 1, 2011Bachelor of Computer Application at Co-Operative College, Ranchi University, Jamshedpur, India
January 11, 2030 - May 1, 2007Qualifications
AZ-900 Certified – Microsoft Azure Fundamentals
January 11, 2030 - August 29, 2025ICP Certified – ICAgile Agile Fundamentals
January 11, 2030 - August 29, 2025AZ-900 Certified – Microsoft Azure Fundamentals
January 11, 2030 - August 29, 2025ICP Certified – ICAgile Agile Fundamentals
January 11, 2030 - August 29, 2025Industry Experience
Financial Services, Telecommunications, Software & Internet
Skills
Hire a App Developer
We have the best app developer experts on Twine. Hire a app developer today.