SUMMARY

• Around 7+ years of experience in design and development of User Interface applications, integrating with numerous databases and Client - Server applications of iOS using Objective-C, Swift, SQL, Cocoa Touch, Cocoa Bindings.
• Experience in object oriented programming, design, development and requirement analysis of native iOS mobile applications.
• Experience as a Team Lead/ Scrum Master in Agile environment.
• Experience with Siri extensions library.
• Experience in developing RESTful web APIs using .NET framework.
• Worked on Audio Toolkit, AV Foundation, HTTP segmented streams MediaPlayer framework of Cocoa Touch to stream video and audio, which are both DRM and Non-DRM protected.
• Worked extensively on relational databases and data modeling
• Experience in XML and JSON Parsing, Multithreading using both 1st party and 3rd party frameworks including NSXMLParser and NSJSONSerialization.
• Worked with RSS News feed integration with custom UI components and social sharing features; Also worked on Core Graphics and Animation
• Created and customized views, table views, tab bars and navigation bars which are some basic functionality in a multi-view application
• Proficiency in Using NSUser defaults and NSNotificationCenter for storing and maintaining the user data for iOS Applications.
• Good experience on NSOperation threads GCD and Blocks to perform multi-threaded development.
• Experience in using core data, querying SQLite database and using 3rd party frame work magical records.
• Proficient in source control with GitHub, SVN.
• Good Knowledge in PL/SQL & Relational Database (RDBMS) Concepts, creation of Database Triggers, Views, Packages, Stored Procedures and Functions.
• Extensively worked with various Cocoa design patterns and Java design patterns across various projects.
• Strong commitment to organizational work ethics, value based decision-making and managerial skills.
• Quick learner, excellent analytical, design and problem solving skills and always curious to learn new skill or a new technology

TECHNICAL SKILLS

Languages: Objective-C, Swift, JavaScript and C#.

Databases: MySQL, SQLServer and SQLite.

Development Software: XCode, Git and SVN.

Technologies: RESTful web services, .NET, HTML, CSS multiple JavaScript frameworks.

PROFESSIONAL EXPERIENCE

Confidential, Houston, TX

Sr. iOS Developer

Responsibilities:

• Worked with IOT devices in capturing data offline from sensors and sync back to the server.
• Implemented CoreData for persistence and offline capabilities.
• Built a PDF tool to view and sign PDFs that were generated using HTML files.
• Used UIGestureRecognizers to design and implement a scratch pad like component for users to add signatures to pdf documents
• Used operation queues to handle download and upload tasks and the dependency to create pdfs from downloaded data.
• Used reachability in determining the network connection of the application.
• Implemented unit tests for download and upload tasks to understand failure scenarios and provide better error handling.
• Used webviews in creating html to pdf files with the use of UIPrintPageRenderer and UIGraphicsBeginPDFContextToData.
• Worked with Siri extensions incorporating questions having a voice over functionality.

Confidential, Round Rock, TX

Sr. iOS Developer

Responsibilities:

• Developed a home automation app that added circuit and sensor-level management for users to access energy efficiency data.
• Used Philip’s Hue SDK to connect with bulbs and hue kits, and directly send them input commands for customizations such as on/off light, change color and setting a schedule.
• Implemented Nest and Ecobee SDK to connect with thermostats and control them.
• Leveraged Charts API to visualize complex power management data on pie/line charts and hierarchical tree maps.
• I sued a third party cahrts.
• Used AFNetworking to make asynchronous calls and get JSON data.
• Handled live graphs using GCDs multithreading functionality.
• Implemented remote and local push notifications to alert users for smoke or CO alerts and smart device schedules
• Wrote entirely in swift 2.0 and was responsible for code merging and rebasing.

Confidential, Northbrook, IL

Sr. iOS Developer

Responsibilities:

• Implemented touchID services for login authentication.
• Used Bing maps and CoreLocation to implement store location services.
• Wrote parsers for JSON and XML data from server.
• Implemented a reminder feature for users to take medication on time.
• This included network calls to query prescription data, UI to show search results and reminder / local notification set up.
• Worked with team to upgrade app to iOS 7 and fix many major bugs.
• Worked within an agile environment running morning scrums and bi-weekly sprint patterns.
• Subscribed to modern workflows such as version control via git and build automation via Jenkins.

Confidential, Philadelphia, PA

iOS Developer

Responsibilities:

• Helped redesign the portal and implement new features.
• Worked with StoreKit to implement IAP for subscriptions.
• Worked extensively with backend engineering team to keep servers updated for other apps when users sign up or subscribe through itunes.
• Used storyboards and auto layout to implement new user facing features.
• Worked with Valentina Studio to write SQL queries for the application.

Confidential

Programmer Analyst

Responsibilities:

• Analyze business and system requirements, manage development of specifications to create and execute detailed test plans, and verify bug fixes.
• Designed test plans and defined cases for functional, integration system, and user acceptance system.
• Attended weekly defect report meetings and presented progress updates.