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Keyhan Kamangar has a strong background in iOS application development and has worked in various companies and positions since 2015. Keyhan started as a Freelancer in 2015, working as an iOS App Developer on various projects until 2019. During this time, they gained experience in developing and supporting iOS software.

In 2016, Kamangar joined Azar Rahkar Hooshmand (iPros) as an iOS App Developer. Keyhan quickly advanced from a junior developer to a senior developer, managing legacy application suite development and creating new applications until 2018.

In 2017, Kamangar joined Polcard as an iOS App Developer. Keyhan later transitioned into a combined role as an iOS Team Leader and Developer. In this role, they worked on a freelancing contract for a banking company, taking on responsibilities such as communicating with other development teams, managing deployments, and mentoring new team members. Keyhan also worked on projects involving transaction systems, encryption, and security.

In 2019, Kamangar joined A.P.S Marketing Group as an iOS Application Developer, where they focused on iOS app development until 2020.

Later in 2019, Kamangar joined Advanced Technology as an iOS Application Developer and iOS Team Lead. In this role, they managed a development team, mentored and coached developers, and interacted with other teams and departments within the company. Keyhan also worked on projects involving UI customization, dependency injection, and integration of ARKit and Core ML.

In 2020, Kamangar joined iBazzar as an iOS Application Developer. Keyhan worked remotely with this company, implementing various improvements to the application, such as decreasing launch time, creating a dynamic deep link handler, increasing test coverage, and refactoring the application to follow clean Swift architecture.

Most recently, Kamangar joined Sitoo in 2023 as an iOS Engineer, where they currently work.

Keyhan Kamangar obtained a Bachelor's degree in Computer Software Engineering from the University of Kurdistan, Sanandaj, where they studied from 2015 to 2020. In addition to their formal education, they have also obtained several certifications, including "ARKit & SceneKit Fundamentals" from Udemy in January 2021, "Beginner API development in Node, Express, ES6, & MongoDB" from Udemy Academy in December 2016, and "iOS 10 and Swift 3: From Beginner to Paid Professional" from Udemy Academy in September 2016.