SIGADAPU NAGENDRA BABU
Visakhapatnam
Summary
Innovative iOS Developer with 7 years of experience creating scalable mobile applications in eCommerce, Healthcare, Logistics, and Education. Specializes in Swift, SwiftUI, and Objective-C, focusing on intuitive user interfaces and advanced features such as AI-driven recommendations and real-time tracking. Demonstrates expertise in RESTful API integration, state management with MVC, MVVM, and Clean architectures, as well as payment gateway and push notification service implementation.
Overview
8
8
years of professional experience
Work History
Senior iOS Developer
Qentelli Solutions Pvt Ltd
06.2026 - Current
- Developed and enhanced iOS applications using Swift and SwiftUI, implementing MVVM architecture and protocol-oriented design to improve application performance and user experience.
- Increased unit test code coverage to above 85% by creating and maintaining comprehensive test cases for iOS features and ViewModels, enhancing overall software reliability.
- Conducted code reviews, delivering and integrating feedback to elevate code quality, maintainability, and adherence to project architecture and best practices.
iOS Developer
DROVE & PACE INDIA PVT LTD
04.2023 - 03.2026
- Designed and developed key features for a healthcare app using Swift, SwiftUI, and UIKit.
- Developed real-time features like video calls, chat, and live tracking using socket-based communication and improving user engagement.
- Integrated third-party services like Firebase, Razorpay, and Stripe for notifications and secure payments.
- Optimized RESTful APIs in collaboration with the backend team, enhancing performance and data handling.
- Managed end-to-end bug fixes and performance improvements, ensuring timely App Store releases.
iOS Developer
INTERSOFT DATA LABS & SOLUTIONS PRIVATE LIMITED
07.2021 - 03.2023
- Developed and maintained large-scale e-commerce applications for US and Canada markets.
- Implemented core features like product listing, search, filters, and checkout flows.
- Integrated Radar SDK to enhance location-based and in-store user experiences.
- Managed API integrations with emphasis on optimizing performance and ensuring data consistency.
- Collaborated with cross-functional teams to implement features and address production issues effectively.
iOS Developer
OPASA SOFTWARE SERVICES INDIA PVT. LTD
02.2020 - 05.2021
- Implemented Face ID / Touch ID authentication flows aligned with security standards.
- Integrated FIDO-based authentication SDK for secure login and biometric verification.
- Worked on secure API communication and handling sensitive user data.
- Collaborated with backend teams to optimize authentication workflows, ensuring a seamless user experience.
- Ensured stability and compliance with enterprise requirements through systematic bug fixes and rigorous testing.
iOS Developer
APHRO ECOMMERCE SOLUTIONS PVT. LTD
03.2019 - 02.2020
- Developed multiple iOS applications across logistics, services, and education domains
- Built and maintained UI screens using UIKit, ensuring responsive and consistent user experience
- Integrated REST APIs, optimizing data parsing, error handling, and addressing edge cases
- Implemented payment integrations, streamlining API-based data flow across applications
- Resolved bugs, enhanced features, and ensured smooth app deployment and ongoing maintenance
Education
MCA - Computers
GMRIT
Skills
- Swift
- SwiftUI
- UIKit
- MVVM
- MVC Architecture
- Core Data
- API integration
- Firebase
- Stripe
- Razorpay
- Push Notification
- Google Maps
- Mapkit
- Cocoapods
- Sourcetree
- Github
- Bitbucket
- JIRA
- Solid Principles
- Package management
- Autolayout
- AI-driven recommendations
- Objective C
- AI-driven recommendations
KEY PROJECTS
My Invisalign – Healthcare App
- Appstore : https://apps.apple.com/us/app/invisalign-practice-app/id1570887123
- Developed and enhanced an iOS application using Swift and SwiftUI, following MVVM and Clean Architecture principles.
- Increased unit test code coverage to 85%+ by implementing comprehensive and maintainable test cases.
- Conducted and participated in code reviews, ensuring code quality, consistency, and maintainability.
- Designed testable ViewModels using protocols and dependency injection to improve modularity and testability.
- Delivered feature enhancements, bug fixes, and performance improvements across the iOS application.
LEMNISKA – Healthcare App
- Appstore : https://apps.apple.com/in/app/lemniska/id1645112478
- Developed an AI-based recommendation flow to suggest doctors based on user symptoms.
- Built a healthcare platform enabling users to connect with doctors through video consultations and chat.
- Implemented live tracking for home visit services to improve user visibility and experience.
- Integrated secure payment flows and push notifications for seamless transactions and updates.
- Focused on delivering a smooth user experience with optimized UI and real-time interactions.
Bed Bath & Beyond
- AppStore: https://apps.apple.com/us/app/bed-bath-beyond/id339883869
- Contributed to a large-scale e-commerce application used across multiple regions (US & Canada).
- Developed key flows including product listing, search, registry services and checkout experience.
- Integrated APIs to handle dynamic product data, pricing, and user interactions.
- Worked on improving app usability by refining UI components and fixing production issues.
- Collaborated with cross-functional teams to ensure smooth feature delivery.
Buybuy BABY
- AppStore: https://apps.apple.com/us/app/buybuy-baby/id495993925
- Developed features for a retail application focused on baby products and registry services.
- Implemented user flows for product discovery and personalized shopping experience.
- Worked on API integration and handled data consistency across modules.
- Customized UI components to align with brand-specific requirements., Supported bug fixes, enhancements, and overall app stability.
Quiclo – Laundry App
- AppStore: https://apps.apple.com/in/app/quiclo-laundry/id6736825545
- Built an on-demand service application for laundry and dry-cleaning management.
- Developed features for order placement, status updates, and user interaction flows.
- Integrated digital payment systems for smooth and secure transactions.
- Implemented push notifications to keep users informed about order updates.
- Ensured stable performance through continuous bug fixes and enhancements.
Timeline
Senior iOS Developer
Qentelli Solutions Pvt Ltd
06.2026 - Current
iOS Developer
DROVE & PACE INDIA PVT LTD
04.2023 - 03.2026
iOS Developer
INTERSOFT DATA LABS & SOLUTIONS PRIVATE LIMITED
07.2021 - 03.2023
iOS Developer
OPASA SOFTWARE SERVICES INDIA PVT. LTD
02.2020 - 05.2021
iOS Developer
APHRO ECOMMERCE SOLUTIONS PVT. LTD
03.2019 - 02.2020
MCA - Computers
GMRIT