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Mansi Walecha Kalra

Lead Software Engineer at UST (Swift+ Swiftui + React Native)

Delhi

13+ years of work experience

UST
Aug 20241 yr 11 mosPresent

Noida, Uttar Pradesh, India

Cognizant
May 20213 yrsApr 2024

Gurugram, Haryana, India

Unikove Technologies
May 20192 yrs 9 mosJan 2022

Noida, Uttar Pradesh, India

Unikove Technologies
Sep 20144 yrs 9 mosMay 2019

Unikove Technologies
Mar 20147 mosSep 2014

Noida, Uttar Pradesh, India

Aug 20121 yr 8 mosMar 2014

Noida

Got to learn abundant new things in the short span of 1 year and 8 months here. - Worked as a mobile application developer for clients in varied domains like Retail, Healthcare, Gaming and Music etc. -Coordinated with technical team to write user guides and understand technical specifications of Big projects like KFC, PizzaHut, SnapHits, Fever Ramayana etc.

Education

sharda university

Bachelor of Technology (B.Tech.), Electrical and Electronics Engineering

sharda university

20054 yrs2009
kendriya vidyalaya

High School Diploma

kendriya vidyalaya

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Headline

Lead Software Engineer at UST (Swift+ Swiftui + React Native)

About

Lead iOS Engineer with 12+ years of experience building scalable, high-performance mobile applications across fintech, e-commerce, and healthcare domains. I have led end-to-end development of iOS applications—from architecture design to production release—working with global clients including Heatharc, US Bank, Telstra, Walmart, and Philips. Key highlights: Led iOS development for large-scale applications serving 500k+ users Improved app performance and reduced crash rates by <1% Designed scalable architectures using MVVM, Clean Architecture, and modular design Mentored and led teams of 3 engineers I specialise in building maintainable and scalable systems using Swift, SwiftUI, Combine, and modern iOS architectures, with strong focus on performance, reliability, and user experience. 🔧 Tech Stack & Architecture Expertise: Languages: Swift (expert), Objective-C (legacy apps), SwiftUI, Combine, UIKit, Core Animation Architecture: MVC, MVVM, VIPER, Clean Architecture Frameworks: Core Data, AVFoundation, Core ML, CloudKit, ARKit Tools: Xcode, Instruments, Git, Fastlane, Jenkins, Firebase, TestFlight Networking: REST, GraphQL, URLSession, Alamofire, WebSockets Testing: XCTest, XCUITest, Quick/Nimble, Snapshot Testing Design Patterns: Singleton, Delegate, Observer, Factory, Coordinator DevOps: CI/CD pipelines, app release automation, provisioning profiles, certificates

Location

Delhi

Work experience

Lead Software Engineer at UST, Aug 2024 - Present · 1 yr 11 mos, Noida, Uttar Pradesh, India

Senior Associate at Cognizant, May 2021 - Apr 2024 · 3 yrs, Gurugram, Haryana, India

Development Team Lead at Unikove Technologies, May 2019 - Jan 2022 · 2 yrs 9 mos, Noida, Uttar Pradesh, India

Sr. iOS Application Developer at Unikove Technologies, Sep 2014 - May 2019 · 4 yrs 9 mos

Sr Application developer (iOS) at Unikove Technologies, Mar 2014 - Sep 2014 · 7 mos, Noida, Uttar Pradesh, India

Application Developer at LSquare Technologies India, Aug 2012 - Mar 2014 · 1 yr 8 mos, Noida, Got to learn abundant new things in the short span of 1 year and 8 months here. - Worked as a mobile application developer for clients in varied domains like Retail, Healthcare, Gaming and Music etc. -Coordinated with technical team to write user guides and understand technical specifications of Big projects like KFC, PizzaHut, SnapHits, Fever Ramayana etc.

Education

Bachelor of Technology (B.Tech.), Electrical and Electronics Engineering, sharda university

High School Diploma, kendriya vidyalaya

Mansi Walecha Kalra - Lead Software Engineer in Delhi | Tal