SUMMARY

• Over 7 years of experience building high quality iOS applications using Swift and Objective C.
• Over 1.5 years of experience building React Native applications for iOS and Android.
• Experience developing a complete iOS app which included - UI development, designing and implementing web services, database handling, performance optimization and app store distribution.
• Experience using various architectural patterns - MVC, MVVM and VIPER.
• Experience working with Storyboard, Interface builder and Auto layout.
• Experience handling multi-threading using GCD.
• Experience integrating RESTful webservice and JSON parsing.
• Follower of clean programming principles such as - DRY, concise code, immutability and writing concise functions without side effects.
• Experience building custom UI components, animations and screen transitions using UIKit, Core Animation and UIViewControllerAnimatedTransitioning protocol.
• Experience integrating React Native onto an existing native iOS application.
• Experience working with React Native frameworks such as - Redux, React Native Navigation and Typescript.
• Experience working with the Agile methodology.
• Experience in integrating libraries such as - Alamofire, SwiftyJSON, SDWebImage, Object Mapper, FMDB and SVProgressHUD.
• Experience working on persistent data storage using SQLite, Archiving objects, NSUserDefaults and securely storing data using Keychain.
• Experience working on contact sync for real time communication apps using AddressBook to fetch contacts and then managing the differential sync with the server.
• Experience integrating real time communication frameworks such as WebRTC, SIP and MQTT.
• Experience with audio session management required for VoIP apps.
• Experience handling notifications using PushKit, CallKit and UNNotification.
• Experience integrating crash reporting frameworks with custom logging using - Hockey app and Crashlytics.
• Experience optimizing apps for various networks - 2G, 3G, 4G and Wi-Fi.
• Experience in maximizing performance using memory debugger and Instruments
• Experience deploying apps using iTunes Connect, TestFlight, Hockey app and Crashlytics.
• Focused on building a beautiful product with great emphasis on the goals and vision of the product stakeholders.
• Experience designing and architecting mobile solutions.
• Experience of being actively involved in all the stages of product development, right from product planning with stakeholders to development and testing with the engineering team.
• Experience creating wireframes, prototypes, coordinating with designers to get the desired output with minimum friction and communication gaps.
• Ability to design mobile apps using Sketch (beginner level expertise).

TECHNICAL SKILLS

Technologies -: iOS SDK and React Native (iOS + Android)

Languages -: Swift, Objective C and Javascript

React Native -: Redux, TypeScript, React Native Navigation, Redux Persist, Reselect, Thunk, Lottie, Vector Icons, Code push and Native <-> React Native communication iOS UI Frameworks -: UIKit, Cocoa Touch, Storyboard, Auto layout and Core Animation iOS Frameworks -: PushKit, CallKit, UNNotification, AVAudioSession, NSUserDefaults, NSArchiver and GCD

3rd Party Frameworks -: Alamofire, AFNetworking, SDWebImage, FMDB, SwiftyJSON, ObjectMapper and SVProgressHUD

Architectural Patterns -: VIPER, MVVM and MVC

VoIP -: WebRTC, Audio session handling and handling Wi-Fi <-> Cellular network switching

IDE & Source Control -: Xcode, VSCode, SVN and Git

Crash reporting tools -: Hockey app, Bugsnag and Crashlytics

Debugging tools -: Instruments, Postman and Wireshark

Deployment -: iTunes Connect, TestFlight, Crashlytics and Hockey app

UI Designing -: Sketch and Balsamiq

PROFESSIONAL EXPERIENCE

Confidential, CA

Software Developer- React Native

Responsibilities:

• Develop key features on two iOS applications simultaneously using React Native
• Integrate Redux to manage data
• Build components using Typescript
• Use redux thunk and selectors using reselect
• Add custom navigation views using React Native Navigation
• Customize app data and behavior based on the country
• Handle multiple locales
• Build multiple apps using the same source code

Environment: Javascript, React Native, Redux, TypeScript, React Native Navigation, Redux Persist, Thunk, Redux Reselect, React Native Vector Icons and Lottie.

Confidential

Senior Software Developer

Responsibilities:

• Research on the viability of integrating React Native into an existing mobile app
• Manage the development team and co-ordinate with the Product and Design teams
• Architect a solution with Native (iOS) + React Native
• Integrate React Native onto the iOS app
• Develop key features on React Native
• Create Shell scripts to simplify the setup and management of the iOS, Android and React Native projects
• Create Native React Native bridges to exchange data and events
• Import native views onto React Native
• Integrate Redux to manage data
• Integrate CodePush to handle real time updates over the air
• Integrate crash reporting across React Native and Native using Bugsnag
• Create UI designs using Sketch
• Performance optimizations- removing memory leaks and reducing app startup time.
• Handle app distribution via TestFlight and iTunes Connect

Environment: Javascript, Swift, Xcode, VSCode, React Native CLI, Redux, iOS SDK 9.0 and later, CodePush, React Navigation, Alamofire, GCD, Flow and ESLint

Confidential

IOS Developer/ Team Lead

Responsibilities:

• Architecting and developing the complete iOS app along with 1 more iOS developer.
• Worked on all aspects of the application.
• Creating the UI and data flow for various screens.
• Designing and implementing RESTful web services.
• Database management using SQLite.
• Handling calls notifications via CallKit, PushKit and local notifications.
• Managing multiple threads for optimum performance.
• Integrating with a C++ VoIP library - comprising of WebRTC and a SIP client. Managing communication, threading and state handling between the Objective C classes and C++ library.
• Managing multiple call sessions on the client.
• Audio session management.
• Contact/Address book management on the device and keeping it in sync with the server.
• Integrate in-app purchases.
• Performance optimizations- removing memory leaks and CPU usage optimization.
• Wireframing and prototyping.
• Managing development, testing and deployment of the iOS and Android application.
• Gathering the business requirements and coordinating with product stakeholders.
• Managing smooth flow of information between the stakeholders, designers, developers and testers.
• Managing app distribution

Environment: Swift, Objective C, Xcode, Alamofire, SDWebImage, CallKit, PushKit, WebRTC, SIP, iOS SDK 9.0 and later and GCD

Confidential

IOS Developer

Responsibilities:

• Building the User Interface for various screens
• Integrating RESTful Web Services
• Parse JSON data and store data using appropriate models
• Develop app using the MVC architecture
• Integrating a calendar module for booking appointments
• Build a list using UITableViewController for appointments
• Build the user profile section
• Debugging and fixing high priority issues

Environment: Objective C, Xcode, Interface builder, SVN, iOS SDK 6.0 and later.