Isha Pathak

iOS Developer – Insights & Reporting Team, ZS Associates
Swift, SwiftUI, UIKit, MVVM, Clean Architecture, CI/CD, XCTest

• Developed and maintained a production-grade native iOS application used by life sciences sales representatives, following an Agile/Scrum SDLC and delivering features in regular release cycles.
• Took end-to-end ownership of features from estimation and design through implementation, testing, release, and post-production support.
• Built features using Swift, UIKit, SwiftUI, and Xcode, applying object-oriented principles, SOLID, and MVVM (with Clean Architecture) to create a modular, maintainable, and testable codebase.
• Wrote unit tests using XCTest and contributed to UI test coverage, ensuring high code quality and adherence to engineering best practices.
• Actively participated in code reviews, mentoring junior developers and promoting continuous improvement and knowledge sharing within the team.
• Identified, troubleshot, and resolved production issues, improving app stability by reducing crash rates using Crashlytics and performance profiling with Instruments.
• Improved performance and memory usage, optimized launch times, and fixed retain cycles and threading issues.
• Implemented REST API integrations using URLSession / Alamofire, working with JSON and backend services in a scalable networking layer.
• Built secure and reliable data persistence using Core Data, UserDefaults, Keychain, FileManager, and caching, with attention to mobile security best practices.
• Worked with Async/Await, push notifications, Auto Layout, Dynamic Type, and followed Apple Human Interface Guidelines and accessibility considerations.
• Supported bi-weekly releases, managed TestFlight and App Store submissions, and helped maintain CI/CD pipelines (TeamCity, GitHub), aligning with Git flow practices.
• Collaborated closely with Product, QA, and stakeholders, clearly communicating technical concepts and helping drive roadmap planning and technical initiatives.

Performed consistent roles and responsibilities throughout tenure, initially as a contractor on LTIMindtree's payroll before seamlessly converting to full-time employee at ZS Associates in the same team.

iOS Developer – NeoSoft Technologies Pvt Ltd.

• Contributed to iOS feature development using Swift and SwiftUI, collaborating closely with cross-functional teams in an Agile environment.
• Integrated RESTful APIs and assisted with performance optimization, bug fixes, and application stability improvements.
• Supported team development standards through sprint participation, code reviews, and adherence to quality best practices.

iOS Developer, client- Bank Of Ireland

• Collaborated with cross-functional teams to develop and launch a mission-critical iOS application for Bank of Ireland, delivering robust solutions that aligned with business objectives and enhanced operational efficiency.
• Partnered with designers to create intuitive user interfaces, resulting in improved user experience and higher engagement metrics for the banking app.
• Implemented advanced features including push notifications, expanding application functionality and boosting user retention through timely interactions.
• Conducted thorough unit and user acceptance testing, ensuring application stability and reliability, which minimized downtime and user-reported issues.
• Led agile release processes, including beta testing and App Store submissions, while providing accurate task estimates to consistently meet project deadlines and optimize performance by resolving bugs.
• Delivered technical briefings and code walkthroughs to non-technical team members, improving project alignment and team understanding.
• Applied strong problem-solving skills to improve app performance and stability by diagnosing crashes, optimizing code, and implementing modern Swift techniques.

• Delivered end-to-end development of a secure iOS browser application using Objective-C, from requirements definition through App Store release.
• Defined project scope and core features by analyzing functional and security requirements, ensuring alignment with business and compliance needs.
• Designed and implemented security-critical components, including encryption, decryption, and real-time data stream monitoring, to protect user data.
• Increased application reliability and code quality through unit testing, structured Git workflows, and comprehensive peer code reviews.
• Mentored junior developers and produced clear technical documentation, improving team capability and long-term maintainability of the application.

• Delivered end-to-end development of SpellPrep and multiple iOS applications, successfully launching production-ready apps to the App Store.
• Translated business and user requirements into scalable technical solutions, improving development efficiency and feature delivery.
• Built high-performance, animation-rich user interfaces and integrated RESTful APIs to enhance user engagement and data reliability.
• Improved code quality and application stability through unit testing, structured code reviews, and disciplined Git-based version control.