BaichengĀ Yu
Staff Backend Engineer at Qonto
Earth, Texas, France
Summary
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Top SchoolBaicheng Yu is a Staff Backend Engineer with 15 years of experience building scalable backend systems for fintech and SaaS, currently shaping core services at Qonto. His background spans Ruby on Rails, Elixir, Kafka and AWS, with hands-on experience designing real-time data pipelines, customer segmentation and AB testing platforms. At Qonto he progressed from Backend Engineer to staff level, helping scale services for hundreds of thousands of business users. Earlier roles included building analytics and time-series ingestion systems for connected-device startups and shipping ERPs and WeChat-integrated marketing tools in China. Baicheng pairs strong technical depth with product-minded engineering, often bridging backend architecture and operational delivery. He is an eager continuous learner who brings practical cross-cultural experience from European and Chinese tech environments.
15 years of coding experience
7 years of employment as a software developer
Bachelor's degree, Computer Software Engineering, Bachelor's degree, Computer Software Engineering at South China University of TechnologyEngineer's degree, Business Intelligence, INFO5, Engineer's degree, Business Intelligence, INFO5 at Polytech'Nantes
English, French, Chinese
Github Skills (50)
bootstrap9
erlang9
credit-card9
elixir9
kafka9
code-analysis8
static-analysis8
avro8
json8
linter8
bcrypt8
json-schema8
schema7
pbkdf27
javascript7
Programming languages (4)
Github contributions (5)
tzzzoz/Sketch-Integration
Apr 2012 - May 2012
Contributions:27 commits in 1 month
tzzzoz/tzzzoz.github.com
Nov 2016 - Jan 2026
Contributions:8 pushes in 9 years 2 months
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