Available to hire
I’m Harpreet Singh, a results-driven senior mobile developer with 14+ years of experience designing, developing, and testing scalable, user-centric mobile and web applications. I specialize in Swift, SwiftUI, and Objective-C, with strong expertise in C, JavaScript, and HTML/CSS, focused on mobile performance optimization, automation testing, and CI/CD pipelines. I’ve delivered innovative solutions for global brands including Google, AT&T, and Rogers, and I excel at leading cross-functional teams to exceed project goals.
I’m passionate about building robust architectures, integrating RESTful services, and turning data into actionable features. I collaborate across product, design, and QA to ship reliable software, mentor teammates, and drive automation and quality improvements through shared best practices and scalable processes.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Language
Panjabi, Punjabi
Fluent
Hindi
Fluent
English
Fluent
Work Experience
Tech Lead at Tech Mahindra Americas Inc
September 1, 2013 - PresentLeading Rogers Media project on mobile apps development and CI/CD automation; responsible for audio and video playback live-stream components, UI automation, implementing design patterns, and fetching data from REST services to populate data models across app components.
Mobile Software Engineer at Google - YouTube
August 1, 2021 - March 1, 2023Verified and validated features of iOS apps via live automation and internal frameworks & libraries; implemented new testing automation APIs to evaluate critical user journeys before releases and monitored flakiness in internal frameworks; reduced UI test flakiness significantly.
Mobile Software Engineer at Google - YouTube
August 1, 2019 - August 1, 2021Verified and validated features of iOS apps via live automation through internal frameworks & libraries; updated APIs to evaluate test coverage before releases and reduced test flakiness.
Software Engineer at AT&T
November 1, 2018 - August 1, 2019Bridge between hybrid and native modules through JavaScript and web components; authored UI automation for all user flows to accelerate release and fix bugs; supported multi-action flows.
Software Developer at TracFone
January 1, 2018 - November 1, 2018My Account app development for TracFone users; supports purchasing data plans, current service and end date, etc.; implemented UI and automation across the app lifecycle.
iOS Developer at Titration (Baylor Scott & White Health)
October 1, 2017 - November 1, 2017iOS app for BP patients; includes medication guidance at each stage; created independent modules for reuse and automated testing of each component.
iOS Developer at My Orange
April 1, 2017 - September 1, 2017The Orange app checks users' phone balances and internet balances, activates/deactivates services, and changes tariff plans; built for iOS.
iOS Developer at Volkswagen Mobility (Audi)
October 1, 2016 - April 1, 2017iPad app for VW/Audi sales personnel to display images/models to customers along with hardware configuration data.
iOS Developer at Under Armour
June 1, 2016 - October 1, 2016Converted three Under Armour sites to Hybrid technology; mobile app development.
iOS Developer at SeaSmart iPad – GE
August 1, 2015 - June 1, 2016Configurator app to assist the sales force; generated PDFs for sharing with others.
iOS Developer at Aspire HHO Government Foundation Qatar
February 1, 2015 - July 1, 2015Project management tool to oversee multiple projects; budgeting and risk tracking features.
Mobile App Developer at My Bell (Bell Canada)
October 1, 2013 - December 1, 2014My Bell Mobile suite for Bell Canada customers to pay bills, manage profile, and service features.
Software Developer at Seasia Infotech Pvt Ltd
November 1, 2012 - August 1, 2013APA CK – Shopping App; supports multiple user types and dynamic templates; dynamic cart and order flow.
Software Developer at Relay Strategy Pvt Ltd
February 1, 2011 - October 1, 2012GOO Inventory Management for hospitals; manage orders, edits; admin users handle pending requests.
Software Developer at My Checklist
April 1, 2012 - May 1, 2012Checklist enabling investors to evaluate investment potential; scores across internal matrices.
Software Developer at Rapture Detector
February 1, 2011 - April 1, 2011App with animations and videos; positive messages; RSS feed integrated, displayed in-app.
Software Developer at TextBardment
June 1, 2010 - September 1, 2010Animated messaging app; sends messages with bombs; built with REST/JSON.
Education
Master of Computer Applications at Punjab Technical University, India
January 11, 2030 - September 1, 2009Qualifications
Industry Experience
Software & Internet, Media & Entertainment
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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