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Hello! I’m Chloe Liu, a backend-focused software engineer with a knack for designing scalable distributed systems and real-time data processing. I enjoy turning complex requirements into robust, maintainable services using Python, Go, Node.js, and cloud-native stacks. Over the years I’ve built end-to-end data pipelines, multi-layer storage architectures, and high-throughput APIs for enterprise clients. I value collaboration, clean code, and reliable solutions, and I’m passionate about solving performance and reliability challenges while keeping costs in check.…Hello! I’m Chloe Liu, a backend-focused software engineer with a knack for designing scalable distributed systems and real-time data processing. I enjoy turning complex requirements into robust, maintainable services using Python, Go, Node.js, and cloud-native stacks. Over the years I’ve built end-to-end data pipelines, multi-layer storage architectures, and high-throughput APIs for enterprise clients. I value collaboration, clean code, and reliable solutions, and I’m passionate about solving performance and reliability challenges while keeping costs in check.

Chloe Liu

Web Developer, Back-End Developer, AI Engineer, +3

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Hello! I’m Chloe Liu, a backend-focused software engineer with a knack for designing scalable distributed systems and real-time data processing. I enjoy turning complex requirements into robust, maintainable services using Python, Go, Node.js, and cloud-native stacks. Over the years I’ve built end-to-end data pipelines, multi-layer storage architectures, and high-throughput APIs for enterprise clients. I value collaboration, clean code, and reliable solutions, and I’m passionate about solving performance and reliability challenges while keeping costs in check.…Hello! I’m Chloe Liu, a backend-focused software engineer with a knack for designing scalable distributed systems and real-time data processing. I enjoy turning complex requirements into robust, maintainable services using Python, Go, Node.js, and cloud-native stacks. Over the years I’ve built end-to-end data pipelines, multi-layer storage architectures, and high-throughput APIs for enterprise clients. I value collaboration, clean code, and reliable solutions, and I’m passionate about solving performance and reliability challenges while keeping costs in check.

Available to hire

Hello! I’m Chloe Liu, a backend-focused software engineer with a knack for designing scalable distributed systems and real-time data processing. I enjoy turning complex requirements into robust, maintainable services using Python, Go, Node.js, and cloud-native stacks.

Over the years I’ve built end-to-end data pipelines, multi-layer storage architectures, and high-throughput APIs for enterprise clients. I value collaboration, clean code, and reliable solutions, and I’m passionate about solving performance and reliability challenges while keeping costs in check.

Skills

Experience Level

Expert

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Intermediate

Language

English

Advanced

Chinese

Fluent

Work Experience

Research Engineer at Al-Search Center, Xi'an Jiaotong University

February 1, 2023 - Present

Built distributed real-time platform for intelligent monitoring system; processed 3 data streams from 80+ edge devices, serving 1.38M daily requests. Developed edge-center architecture with multi-modal data fusion and dual-layer processing (frame-level + event recognition); achieved high throughput with low latency. Designed multi-layer storage system (PostgreSQL + InfluxDB + Milvus) with hot/warm/cold tiering; reduced costs by 63%, enabling sub-second queries. Implemented query service layer with intelligent routing and caching; achieved ~21% performance improvement over legacy system. Deployed on Docker/Kubernetes with CI/CD and Prometheus monitoring; served 10 sites and 80+ devices with 95%+ uptime.

Backend Engineer at FOOKSTAR TECH PTE LTD

January 1, 2021 - December 31, 2023

Led user analytics module in CDN platform's microservice migration with a team of 2; built end-to-end service (ingestion, aggregation, storage, API), serving 1,200+ enterprise clients. Identified data pipeline conflicts between collection agents, unified pipeline and rewrote aggregation logic, restoring 99%+ data consistency. Redesigned query layer architecture for cleaner data flow and better maintainability; P95 latency from 1s+ to <100ms, 300K peak QPS. Implemented multi-tier aggregation (5min/1h/1day) with hot-cold separation; reduced costs by 70%+; deployed on Kubernetes with CI/CD.

Software Engineer at Tian yan cha

January 1, 2019 - December 31, 2021

Built high-throughput NER service using a prefix tree; identified plaintiffs/defendants from 150M+ records with accuracy rising from 64% to 97%, handling 12K+ QPS. Integrated Kafka for real-time transmission with incremental updates; established primary-replica backup for high availability; served 3+ downstream services. Developed template-based video generation service (FFmpeg, OpenCV, PIL) with multi-modal synchronization; produced 5M+ videos uploaded to Alibaba Cloud. Implemented Redis async queue for generation and transmission; 140% speed improvement, success rate 67%→98%, storage reduced 46%.

Python Engineer at Beijing Precise Communication Media Corp

January 1, 2016 - December 31, 2019

Built distributed crawling system on Scrapy-Redis with multi-threading, IP proxy pool, and auth handling; collected 7M+ records from 10+ platforms with 100K daily updates. Optimized with Bloom Filter deduplication and storage eviction; memory usage reduced from 80%+ to 30%+, enabling stable high-throughput operations.