Yingcai Dong
Software Engineer at 5x5 Technologies Inc.
Guelph, Ontario, Canada
Summary
👤
Senior🎓
Top SchoolYingcai Dong is a software engineer with nine years of experience building high-throughput web and backend systems, currently working at 5x5 Technologies after a senior developer role at System1. He has shipped Angular-based front-ends for a product with 1.2 million monthly active users while leveraging RxJS, Formly and micro-frontend techniques, and he pairs that with backend expertise in C#, Nest.js, Node.js and serverless AWS Lambda endpoints serving millions of requests. Yingcai has optimized data pipelines and databases (MSSQL, Snowflake, Postgres) to cut query times from minutes to seconds and built CI/CD automation with GitHub Actions and AWS ECS/CodePipeline. Comfortable across cloud, container and geospatial stacks, he also implemented large-scale map processing and a Three.js-based 3D GIS viewer earlier in his career. Based in Guelph, Ontario, he combines pragmatic engineering with a track record of measurable performance improvements and cross-stack versatility.
9 years of coding experience
5 years of employment as a software developer
Bachelor's degree, Electrical and Electronics Engineering, Bachelor's degree, Electrical and Electronics Engineering at Beijing Technology and Business UniversityMaster of Engineering (MEng), Engineering Systems and Computing, 2014, Master of Engineering (MEng), Engineering Systems and Computing, 2014 at University of Guelph
English, Chinese
Github Skills (62)
threejs10
webgl10
javascript10
canvas10
virtual-reality10
geospatial10
earth10
svg10
gis10
3d10
augmented-reality9
gltf9
webgpu9
terrain9
czml8
Programming languages (7)
Github contributions (5)
Contributions:11 commits, 10 pushes, 1 branch in 7 months
YingcaiDong/LeetCode
Mar 2017 - Jan 2020
Contributions:32 pushes, 1 branch, 1 comment in 2 years 10 months
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