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Sree Charan

Sree Charan

Principal iOS Engineer and mobile architecture lead

sreecharans
San Francisco Bay Area, California
Joined December 2025
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Summary

Experienced iOS engineer with a focus on performance and platform-level tooling — publishes technical deep dives on iOS internals and performance (e.g., Xcode Instruments, SwiftUI performance) and shares practical mobile engineering guides. medium+2
Senior/lead roles across automotive and consumer media companies — public profiles list progressive senior roles (iOS Lead → Technical Lead → Principal iOS Engineer / iOS Architect) at Cisco, GE Appliances (Haier), HARMAN International, Paramount, and Drivemode. weekday
Active technical blogger and writer — maintains a personal blog with broader technology commentary and posts practical iOS tutorials and longform pieces on Medium, indicating an interest in public technical communication and knowledge sharing. sreecharan+1

Work

Education

Writing

Xcode 26’s Instruments Gets a Major Overhaul

October 1, 2025

Technical article describing new performance tooling in Xcode 26 (Power Profiler, SwiftUI Instrument, CPU counters, Processor Trace) and how to use these tools to diagnose performance, energy, and UI issues in iOS apps.

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How To Implement VoIP Voice Call Using Twilio In iOS

August 1, 2021

A practical how‑to on integrating Twilio VoIP/Video functionality into iOS apps, covering token flow, VoIP certificates, push credentials, and switching from VoIP to video sessions.

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Hobbies

Painting and playing video games. about+1