David Evans
Senior Engineering Manager at Duolingo
United States
Summary
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SeniorDavid Evans is a senior AI and software leader with 10+ years of experience building and scaling production ML and GenAI systems across consumer and enterprise products. He has led teams at Google, Duolingo, and now Instacart, shipping LLM-powered features, on-device privacy-first ML, and real-time speech and conversation models used by millions. Equally at home in strategy and hands-on engineering, he blends deep learning, BI architecture, and app development to turn prototypes into reliable, product-grade systems. He also has a history of technical leadership in agencies and startups—running engineering teams, teaching mobile development, and advising on organizational strategy. Known for shipping both infrastructure (e.g., Smart Reply, Magic Compose) and applied ML experiences (Duolingo Video Call), he focuses on practical, privacy-conscious deployments. David’s background in mobile, cloud, and ML gives him a rare ability to connect low-level engineering tradeoffs to business outcomes.
10 years of coding experience
16 years of employment as a software developer
Github Skills (16)
audio10
movie10
ffmpeg9
surface9
mp49
camera2-api9
camera9
renderscript9
isometric7
photo7
opengl-es6
opengl6
android6
lrc1
recorder1
Programming languages (4)
Github contributions (5)
spaceLenny/recordablesurfaceview
Dec 2017 - Dec 2022
A drop-in replacement for GLSurfaceView that can be used to record to an mp4 movie.
Contributions:32 commits, 16 PRs, 24 pushes in 5 years 1 month
drop-inmp4movieaudiovideo
googlecreativelab/tunnelvision
Sep 2018 - Nov 2018
Distort your surroundings through a collection of transformative filters
Contributions:12 commits in 2 months
camera2-apifiltersdistortcamera2renderscript
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