Alexย Cristici
Senior IOS Engineer Contractor Freelancer at Self-employed
Bucharest, Romania
Summary
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Top SchoolAlex Cristici is a Senior iOS Engineer and independent contractor based in Bucharest with 15+ years in iOS development and two decades of programming experience, blending deep graphics expertise (Metal/OpenGL, shaders) with production mobile app engineering. He has a strong track record building apps from scratch, porting complex rendering pipelines (including a Metal port for MapLibre Native sponsored by AWS), and converting OpenGL ES shaders for cross-platform use. Comfortable across Swift, Objective-C and C++, Alex brings hands-on skills in AR/3D (ARKit/RealityKit, RoomPlan), AVFoundation video composition, performance profiling, and CI/CD for distributed teams. Former lead mobile engineer at EA, he also led game development teams early in his career, giving him a rare mix of real-time graphics, gameplay and consumer app experience. As a freelancer he routinely audits, refactors and optimizes existing apps and integrates advanced features like custom Metal shader effects and 3D model rendering into production releases.
8 years of coding experience
6 years of employment as a software developer
High School "Al. D. Ghica" of AlexandriaPOLITEHNICA Bucureศti National University for Science and Technology
English, French
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (19)
mapbox-ios-sdk10
ios10
mapbox-gl10
vector-tiles10
android10
maps10
maplibre-gl10
subview9
background-image7
creator7
viewer6
census5
image-viewer5
gif-animation5
injection5
Programming languages (4)
Github contributions (5)
StruccAB/swift-style-guide
Jan 2020 - Nov 2021
The official Swift style guide for raywenderlich.com.
Contributions:1 PR, 2 pushes, 2 comments in 1 year 10 months
style-guideswiftraywenderlich
alexcristici/maplibre-native
Mar 2023 - Apr 2025
MapLibre Native has SDKs for iOS, Android and other platforms.
Contributions:42 PRs, 984 pushes, 247 branches in 2 years
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