Krishna Vanga

  • London E78 JX

IOS Developer

Work History

Work History
Feb 2015 - Present

IOS Developer

NHS Trust

NELFT Service:

About the app:Configure the services based on Location and Category to get updates about the status.

HCP App:

About the app:This application for doctors in the NHS to check the upcoming appointments and update the patient outcome.

As part of a small team it has been possible to touch all areas of functionality on this app.

  • Implementing Core data to support offline.
  • AFNetworking,XML Parsing.
  • Autolayout to support different screen size.
  • Test Flight - for delivering applications to testers and customers. This provides similar behaviour to that of the App Store

  • Git - for source control.

  • Coordinating with Project Manager and Backend Developers.
Sep 2014 - Jan 2015

Lead IOS Developer


About the app: ReYou is IBeacon Technology to Share your customer stories and get rewarded from your favourite places.

  • I-Beacon behaviour using Core Location.
  •  Parse-Backend.
  • Urban Airship - for providing Apple Push Notifications.

  •  Facebook Graph APIs
  • Twitter API to share the custom tweet.
  • Crash Analytics ,Flurry Analytics,UX-Cam.
  • Implemented AutoLayout to support different screen sizes.
  • Developed the project from scratch to end.
Jun 2013 - Sep 2014

IOS Developer


Jackpotjoy, VirginCasino, Tropicana­by­sun­bingo/id737721107?mt=8

About the app: Jackpotjoy is the UK's leading online Instant Win entertainment Brands. Development of new features for the existing application and New application.

  • Used Agile Methodology for development,
  • participating in daily stand ups and weekly scrum refinement.
  • Collaborate with other developers to deliver the best design pattern.
  • Written test cases for new features.
  • Experienced with scripting language, Flurry, AD­ X tracking and Geo­ Location.
Feb 2013 - Jun 2013

IOS Developer


App:Enterprise App ,Website:

About the App: We aim to show all the  trusted branded pharmaceutical products. Explaining about the products for underserved patient populations through effective from this Application.

  • Implemented Core -Plot Frame to show the different types of Graphs to show Data.
  • Worked on MediaPlayer Framework to show the Promotion Videos.
  • Customise the UICollectionView as per the Design.
  • Collaborated with Graphic Designer ,Project Manager and Product owner.
  • iPad Application it supports above IOS 7+.
Aug 2012 - Feb 2013

IOS Developer



About the app: Works as a specialized dating application, allowing girls to review and meet guys who their matches

  • Designed and implemented new features for the existing application.
  • Used SCRUM development methodology, participating in daily status meetings.
  • Worked with creative and user experience experts to establish initial application design.
  • Developed comprehensive unit and automation testing Developed and debugged via Xcode command line and instruments.
  • Used Trello to assist with IOS app Development.
  • Experience with Mobile Analytics(Mix­ Panel) tracking information.
  • Used custom UIViews to differentiate the application in look and feel from other dating applications.
Jan 2012 - Aug 2012

IOS Developer


 Rollover HD

About the app: This application is the official application from Rollover, the UK's leading hot dog company.

  • All design and implementation done using Storyboards.
  • Implemented MapKit to show all the RollOver LandMark and Core Location Framework.
  • Implemented Mental Framework for Custom class of JSON Type from server.
Apr 2011 - Jan 2012

IOS Developer


 Type on PDF­on­pdf/id466280491?mt=8

About the app: Introducing Type on PDF­ the new iOS app that makes filling out PDF forms extremely simple. Users can both type or write on PDF forms and then export them as PDFs via email or to any other app that accepts PDF.

  • Requires iOS 5 or greater.
  • Universal application designed using NIBs.
  • Upgraded project from MRR to ARC compliance.
  • PDF reading and writing implemented with use of Core Graphics.
  • Implemented Core Animation framework for drawing on PDF files.
  • Core Data was used to store the users PDFs.
  • Implemented custom locking/unlocking system to keep users from writing on secure PDFs.
  • Performed all roles from UI design to writing code.
  • Developed using short Agile sprints.
Aug 2010 - Mar 2011

IOS Developer


Business Card Reader­card­reader/id328175747?mt=8

About the app: Instant recognition of business cards right on your iPhone. Import contact information from a business card directly to your iOS Contacts. Out­ of­ the­ box integration with LinkedIn,Salesforce and Evernote.

  • Designed as an iPhone application.
  • Custom UI Implemented with XIBs, and Manual Retain/Release memory Management.
  • Core Graphics and Core Image Implemented to scan cards for contact information.
  • Implement MessageUI Framework to email and SMS.
  • Used Instruments for performing testing.
  • Used localization to accommodate multiple regions of use.

Jan 2009 - Jul 2010

IOS Developer


TravelTracker-Personal Travel Assistant­personal­travel/id284918921?mt=8

  • About the app: It's a complete travel assistant combining your flights, hotel, car rentals and more from within an elegant, easy to use app.
  • Requires iOS 4.3 or greater. Designed as a Universal app for iPhone, iPad, and iPod touch.
  • Designed using Manual Retain/Release and XIBs.
  • Worked closely with project lead to layout UI.
  • Implemented Local Notifications to alert user of events.
  • Integrated with device calendar via EventKit to help users see full schedule of trip.
  • User Static Analyzer and Instruments for memory testing.

Part-time Portfolio


Feb 2010 - Aug 2011



Masters in Compter Science.



Available based on request