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I am a Senior iOS Consultant with over 7 years of experience delivering and supporting large-scale enterprise mobile apps in Banking and Healthcare across US clients. I specialize in modernizing legacy apps from Objective-C to modular MVVM architectures using Swift 5.x, SwiftUI, Combine, GraphQL/REST, and Async/Await. I excel at building secure authentication flows, optimizing performance, ensuring accessibility, and maintaining production reliability for apps used by millions. I collaborate with product, backend, and SRE teams to ensure scalability and security compliance, and I am comfortable working in CI/CD driven Agile environments, handling incidents, and delivering App Store releases.…I am a Senior iOS Consultant with over 7 years of experience delivering and supporting large-scale enterprise mobile apps in Banking and Healthcare across US clients. I specialize in modernizing legacy apps from Objective-C to modular MVVM architectures using Swift 5.x, SwiftUI, Combine, GraphQL/REST, and Async/Await. I excel at building secure authentication flows, optimizing performance, ensuring accessibility, and maintaining production reliability for apps used by millions. I collaborate with product, backend, and SRE teams to ensure scalability and security compliance, and I am comfortable working in CI/CD driven Agile environments, handling incidents, and delivering App Store releases.

Gopi Krishna

App Designer, Full Stack Developer, Web Developer, +2

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I am a Senior iOS Consultant with over 7 years of experience delivering and supporting large-scale enterprise mobile apps in Banking and Healthcare across US clients. I specialize in modernizing legacy apps from Objective-C to modular MVVM architectures using Swift 5.x, SwiftUI, Combine, GraphQL/REST, and Async/Await. I excel at building secure authentication flows, optimizing performance, ensuring accessibility, and maintaining production reliability for apps used by millions. I collaborate with product, backend, and SRE teams to ensure scalability and security compliance, and I am comfortable working in CI/CD driven Agile environments, handling incidents, and delivering App Store releases.…I am a Senior iOS Consultant with over 7 years of experience delivering and supporting large-scale enterprise mobile apps in Banking and Healthcare across US clients. I specialize in modernizing legacy apps from Objective-C to modular MVVM architectures using Swift 5.x, SwiftUI, Combine, GraphQL/REST, and Async/Await. I excel at building secure authentication flows, optimizing performance, ensuring accessibility, and maintaining production reliability for apps used by millions. I collaborate with product, backend, and SRE teams to ensure scalability and security compliance, and I am comfortable working in CI/CD driven Agile environments, handling incidents, and delivering App Store releases.

Available to hire

I am a Senior iOS Consultant with over 7 years of experience delivering and supporting large-scale enterprise mobile apps in Banking and Healthcare across US clients. I specialize in modernizing legacy apps from Objective-C to modular MVVM architectures using Swift 5.x, SwiftUI, Combine, GraphQL/REST, and Async/Await.

I excel at building secure authentication flows, optimizing performance, ensuring accessibility, and maintaining production reliability for apps used by millions. I collaborate with product, backend, and SRE teams to ensure scalability and security compliance, and I am comfortable working in CI/CD driven Agile environments, handling incidents, and delivering App Store releases.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Senior iOS Consultant at Citizens Financial Group

February 1, 2023 - Present

Led development for Transfers, Goal Settings, Insights, In‑App Onboarding, Promotions, Manage Subscriptions, Direct Deposit Setup, and Mobile Container Space for the Citizens digital banking app. Implemented MVVM with Swift 5.x, SwiftUI, and Combine; integrated Backbase SDK widgets for payment orders; collaborated with the Pinwheel team to enable Direct Deposit; worked with Personetics to render Insights, Goals, Offers; introduced LaunchDarkly feature flags; established Jenkins pipelines for CI/CD and App Center validation; prepared builds for TestFlight and App Store submission; ensured accessibility, security compliance, and production reliability; performed memory and performance profiling with Instruments; supported on‑call SRE incidents and postmortems; maintained unit tests and confluence‑based documentation.

IOS Consultant at CVS Health

January 1, 2022 - January 31, 2023

Contributed to an enterprise healthcare mobile platform serving millions by designing reusable design system components and scalable UI architecture using SwiftUI and UIKit; implemented accessibility features per WCAG 2.1; developed a token‑based theming system; collaborated with product, UX, and Android/Web teams to ensure cross‑platform parity; optimized rendering, multithreading, and memory management to improve performance; built automated CI/CD pipelines with Jenkins and GitHub Actions; integrated analytics with Firebase, Splunk, and Datadog; expanded test coverage via unit testing and TDD; led code reviews and mentored developers; supported backend API integration and secure authentication flows for protected healthcare data.

IOS Consultant at Katalyst Software Services

January 1, 2018 - July 31, 2021

Developed and maintained enterprise iOS applications using Objective-C and MVC; delivered multiple App Store releases end‑to‑end; optimized performance and memory footprint; integrated Salesforce; utilized UIKit, Core Data, MapKit, Core Location, and other frameworks; implemented multithreading with Grand Central Dispatch; used Instruments to detect memory leaks and improve efficiency; collaborated with QA and Jira for release management; built a SQLite database and accessed via Objective‑C; implemented data persistence via Property Lists; performed memory management and security enhancements; contributed to design and architectural decisions.