Available to hire
Hi, I’m Sahibzada Khan, an iOS developer with extensive experience using Swift and Objective-C to build robust, scalable apps. I’m passionate about crafting user-friendly experiences and collaborating with cross-functional teams to deliver high-quality software. In my free time I enjoy learning new frameworks and refining my craft.
I thrive in agile environments, value code quality and maintainable architectures, and love turning complex problems into elegant solutions that users love to use.
Skills
Experience Level
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Work Experience
iOS Developer at Stryker
April 1, 2022 - February 1, 2025Designed, developed and maintained multiple iOS applications using Objective-C and Swift. Collaborated with cross-functional teams to ensure delivery of high-quality apps. Integrated RESTful APIs and third-party libraries. Implemented location-based services using Core Location and MapKit. Utilized Core Data for persistent storage. Worked in Agile methodologies including daily stand-ups and sprint planning. Conducted code reviews and testing to ensure code quality. Automated app testing using IntelliJ IDEA, Appium Inspector and Cucumber.
iOS Developer at Citi Bank
April 1, 2021 - October 1, 2021Worked with Swift (Table View Controllers, customized cells, WebView). Implemented CI with CircleCI. Conducted Unit Testing for code coverage (XCTest). Used a Swift-based tool to convert Objective-C code into Swift. Stored user information in Keychain. Designed MVVM architecture. Developed a complete client mobile login and signup module with UI design and backend communication with Web Services.
iOS Developer at WanaSell
July 1, 2018 - April 1, 2021Part of a team that developed, tested, and shipped the WanaSell app. Collaborated with product managers, designers, and other groups to design new features. Wrote unit test cases to detect changes that may affect the design contract. Developed views and outlets using Storyboard based on wireframes. Supported the architect in improving the native iOS codebase.
iOS Developer at Fow Run
June 1, 2017 - June 1, 2018Integrated Google Maps to track user location. Converted Objective-C code to Swift to improve code architecture. Integrated Backend Services and RESTful APIs. Wrote high-quality, high-performance scalable code following Apple Design Guidelines. Collaborated in problem solving, design and creation of quality products.
iOS Developer at FowRun
March 1, 2017 - June 1, 2018Integrated Google Maps to track user location, migrated Objective-C to Swift to improve architecture, integrated backend services and RESTful APIs, and delivered high-performance, scalable code while following Apple Design Guidelines.
Web Developer at Freelancer
January 1, 2015 - March 31, 2017Collaborated with web designers, back-end developers and UX designers to design, build, test and improve the web app. Wrote logic to connect users based on their qualities. Effectively translated client requirements into application designs and system requirements.
Web Developer | Freelancer at Freelancer
January 1, 2015 - March 1, 2017Collaborated with web designers, back-end developers and UX designers to design, build, test and improve the web app. Wrote logic to connect users based on their qualities. Effectively translated client requirements into application designs and system requirements.
Education
Master of Business Administration, Finance at University of Azad Kashmir, Muzaffarabad, Pakistan
January 11, 2030 - January 1, 2014Bachelor of Science, Computer Science at University of Azad Kashmir, Muzaffarabad, Pakistan
January 11, 2030 - January 1, 2010Master of Business Administration, Finance at University of Azad Kashmir, Muzaffarabad, Pakistan
January 11, 2030 - January 1, 2014Bachelor of Science, Computer Science at University of Azad Kashmir, Muzaffarabad, Pakistan
January 11, 2030 - January 1, 2010Master of Business Administration, Finance at University of Azad Kashmir, Muzaffarabad, Pakistan
January 11, 2030 - January 1, 2014Bachelor of Science, Computer Science at University of Azad Kashmir, Muzaffarabad, Pakistan
January 11, 2030 - January 1, 2010Qualifications
Industry Experience
Software & Internet, Healthcare, Financial Services, Media & Entertainment, Professional Services
Skills
Experience Level
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Hire a App Developer
We have the best app developer experts on Twine. Hire a app developer today.