Yin Yuguang

In one line

iOS engineer and tech lead with ten years of experience, including nearly six at Hello Group (NASDAQ: MOMO). Progressed from Senior iOS Engineer on MOMO to leading a 20-plus engineering team on MiraiMind, with a zero-to-one Tietie launch in between. Twice recognized as an Outstanding Employee; eight apps shipped in total.

Experience

• Hello Group (formerly Momo Inc.; NASDAQ: MOMO)Senior iOS Engineer → Client Lead → Tech Lead2020-11 — now

  HONORSRecognized twice as an Outstanding Employee during my tenure.

  1. MiraiMindTech Lead2024-01 — now

     Lead a 20-plus engineering team across four technical tracks, owning technical execution, cross-team delivery, and product engineering.

  2. TietieClient Lead / Tech Lead2022-01 — 2023-12

     Took the first client from an empty repository to App Store launch independently, then assumed ownership of the overall client engineering direction.

  3. MOMO appSenior iOS Engineer2020-11 — 2021-12

     Contributed to the MOMO app within a large-scale social platform, building experience in mature engineering systems, cross-team collaboration, and reliable delivery.

• Fazhijin · Xiaohua AIiOS Dev / Mobile Lead2017-11 — 2020-10

  At the 2018 Ritz-Carlton launch, the mobile product was mine to build — and mine to present.

• Helian GongyingiOS Dev / iOS Lead2016-07 — 2017-10

  First job, and the entire iOS client was just me. I also demoed on stage at the 2017 whitepaper launch.

Products

• MiraiMind2024Custom AI characters and companionship. Dialogue, long-term memory, character growth, content generation.apps.apple.com/us/app/miraimind-create-your-own-ai/id6502377840
• FreeLingo2023AI vocabulary app for multilingual learners. Turns real study material into a review plan you can actually keep up with.freelingo.wenyanji.com
• Modian2017A local 700k-word English dictionary with Ebbinghaus review. Lock-screen study, zero ads.modian.aiyinyu.com

Closedego ID(2020) Minuos(2020) Vekfen(2020) Li Yan(2018) Molu(2017)

Technical writing

14 long-form pieces on iOS internals — RunLoop / Runtime / GCD / memory / launch time
https://blair.aiyinyu.com/writing

Also

Organizes off-road expeditions: Sishilixia, Laozhanggou, Aotouzhai, Zhulinsi, Hunshandake, Qinghai–Gansu Loop.