Feng Chang
Summary
Senior iOS Engineer with 8+ years of experience designing and building high-impact iOS applications. Proven track record of shipping scalable, maintainable apps with beautiful user experiences. Passionate about writing clean, idiomatic Swift, collaborating cross-functionally, and continuously improving product and process. Deep knowledge of UIKit, SwiftUI, RESTful APIs, and modern mobile architecture.
Overview
8
8
years of professional experience
Work History
Senior IOS Engineer
Bushel
04.2020 - Current
- Led a team of 5 engineers delivering iOS apps with over 100K MAUs; improved retention by 30%
- Architected and implemented scalable features using Swift, Combine, and Core Data
- Reduced defect rates by 25% via rigorous testing with Appium and increased test coverage
- Modernized internal development tools and introduced CI automation to reduce build time
- Mentored junior iOS engineers, promoted inclusive and collaborative engineering culture
IOS Engineer II
Bushel
09.2019 - 04.2020
- Spearheaded the design and delivery of 10+ features, balancing scalability and UX
- Built and maintained CI/CD pipelines using Azure DevOps, increasing deployment frequency
- Collaborated closely with backend, design, and QA to deliver quality apps under tight deadlines
IOS Engineer I
Bushel
08.2017 - 09.2019
- Migrated multiple legacy iOS apps from Objective-C to Swift, cutting maintenance by 40%
- Refactored critical modules to improve code readability and performance by 25%
- Contributed to cross-platform solutions and shipped revenue-driving mobile features
Education
M.S. - Computer Science
North Dakota State University
Fargo, ND01.2017
B.S. - Computer Science
University of Minnesota, Crookston
Crookston, MN01.2013
Skills
- Languages & Frameworks: Swift, SwiftUI, Combine, UIKit, Core Data, Flutter, Objective-C
- Tools: Xcode, Appium, Azure DevOps, CI/CD, Git
- Technologies: REST APIs, Offline Sync, Push Notifications, Manual Image Caching
Timeline
Senior IOS Engineer
Bushel
04.2020 - Current
IOS Engineer II
Bushel
09.2019 - 04.2020
IOS Engineer I
Bushel
08.2017 - 09.2019
B.S. - Computer Science
University of Minnesota, Crookston
M.S. - Computer Science
North Dakota State University
Similar Profiles
Quinn JohnsonQuinn Johnson
Software Engineer Intern at BushelSoftware Engineer Intern at Bushel
Santipab TipparachSantipab Tipparach
Senior Software Engineer at Bushel Inc.Senior Software Engineer at Bushel Inc.
Brenda MartinBrenda Martin
Owner at A Bushel & A Peck Home CreationsOwner at A Bushel & A Peck Home Creations