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Throughout my 9-year career as a software developer, I have focused on building scalable, effective, and high-concurrency systems. I’m experienced in cloud storage and search optimization. I’m skilled at constructing both offline and real-time data warehouses. I’m excited about the prospect of joining your team.…

ShiQi Zhang

Back-End Developer, Full Stack Developer, Data Scientist, +2

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Throughout my 9-year career as a software developer, I have focused on building scalable, effective, and high-concurrency systems. I’m experienced in cloud storage and search optimization. I’m skilled at constructing both offline and real-time data warehouses. I’m excited about the prospect of joining your team.…

Available to hire

Throughout my 9-year career as a software developer, I have focused on building scalable, effective, and high-concurrency systems. I’m experienced in cloud storage and search optimization.

I’m skilled at constructing both offline and real-time data warehouses. I’m excited about the prospect of joining your team.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Chinese

Advanced

Work Experience

Backend Developer

September 1, 2024 - September 1, 2024

Developed and deployed a high-concurrency, large-traffic log service. Migrated and stored user logs to a log service, enabling search, processing, download, and low-frequency storage; implemented tenant isolation to reduce read/write latency. Maintained a common team library (billing, multi-language SDKs in Go, Java, Android, Python) published to GitHub; implemented global error management and i18n. Experienced in Kubernetes-based deployment, service health monitoring, and troubleshooting production issues.

Data Engineer at ByteDance - Torch Log Service of VolcEngine Department

May 1, 2022 - May 1, 2022

Led the e-commerce data warehouse for logistics and supply chain, growing the team from 1 to 8. Built offline and real-time data warehouse models and indicator systems from scratch to support millions of users and 20M+ GMV. Focused on data governance, metadata management, data quality, and data security.

Data Engineer at Meituan - Delivery Department

August 1, 2020 - August 1, 2020

Responsible for three long-term projects: franchisee rewards and penalties for the delivery business, delivery department performance, and rider payroll tools. Each project handles hundreds of millions of orders data per month. Led the team's data security and O&M automation projects to improve security and operation efficiency.

Data Engineer

June 1, 2018 - June 1, 2018

Analyzed the overdue rate of the company's cash loan products and developed data for user credit scores to guide risk-control decisions in loan approvals.

Backend Developer at QuantGroup

November 1, 2017 - November 1, 2017

Data Department Backend Developer. Built Java-based tooling; gained solid Java skills through using SpecChecker and AUnit-based Eclipse plugins for C-language checks; developed a deep understanding of Effective Java, refactoring, JVM, and design patterns.

Data Engineer at ByteDance

May 1, 2022 - May 1, 2022

Head of the e-commerce data warehouse in the logistics and supply chain area, leading the team from 1 to 8 people. Built offline and real-time data warehouse models and indicator systems to support daily operations for millions of users and tens of millions in GMV. Experienced in data governance, metadata management, data quality management and data security.

Data Engineer at Meituan

August 1, 2020 - August 1, 2020

Responsible for three long-term iterative projects: franchisee rewards/penalties for the delivery business line, delivery department performance, and rider payroll tools. Each project handles hundreds of millions of orders data per month. Led data security and O&M automation projects to improve security and maintenance efficiency.

Backend Developer at QuantGroup

June 1, 2018 - June 1, 2018

Backend development in the Data Department; analyzed overdue rates of cash loan products and developed data for user credit scores to guide risk-control loan approvals.

Backend Developer at Sunwiseinfo

November 1, 2017 - November 1, 2017

Development Department (incomplete data in source).

Backend Developer

May 1, 2022 - May 1, 2025

Developed and deployed a high-concurrency and large-traffic log service. Migrated storage users' EB-level logs into the log service to search, process, and download logs; implemented low-frequency storage and tenant flow control to reduce read-write latency. Responsible for microservice health monitoring, governance, and machine-resource management (CPU, memory, I/O, connections). Optimized underlying log storage file structure and constructed search indexes.

Data Engineer at ByteDance: Douyin Living Department

August 1, 2020 - May 1, 2022

Led the e-commerce living area data analysis products and data service. Grew the team from 1 to 8 people and built the offline and real-time data warehouse model and indicator system from scratch. Experienced in data governance, metadata management, data quality management, and data security to support millions of users and substantial GMV daily operations.

Data Engineer at Meituan: Delivery Department

June 1, 2018 - August 1, 2020

Responsible for three long-term, iterative projects: franchisee rewards and penalties for the delivery business, delivery department performance, and dedicated rider payroll tools. Each project handles hundreds of millions of orders data per month. Led data security and automation/O&M improvement initiatives to boost efficiency.

Data Engineer at Sunwiseinfo: Development Department

November 1, 2017 - June 1, 2018

Analyzed overdue rate of cash loan products and developed data for user credit scores to guide risk-control loan approvals.

Backend Developer at QuantGroup: Data Department

September 1, 2016 - November 1, 2017

Accumulated solid Java coding skills through using SpecChecker and Aunit-based Eclipse plugins. Also developed a deep understanding of Effective Java, refactoring, JVM, and design patterns.