
Xiao
Ex Alibaba Senior Full Stack Engineer AI Supply Chain Expert
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Esperienza lavorativa
Senior Full-Stack Developer & Automation Consultant
Freelance / Self-Employed
Nov 2023 - Present • 2 yrs 6 mos
Full-stack consultant specializing in AI automation and enterprise SaaS. Key Projects: AI Tender Discovery Agent: Developed an AI pipeline using GPT-4 to parse complex PDF tenders. Automated Google Maps scraping and Apollo API enrichment, reducing manual sourcing time by 90%. Tech: Python, Selenium, Streamlit. E-Bike Battery Swapping SaaS: Architected a high-concurrency platform using Java 17 & Spring Boot 3.2. Managed dual-datasource PostgreSQL and implemented an Anti-Corruption Layer (ACL) for seamless IoT (VSync) and Lark/Feishu integration. Core Focus: End-to-end system design, RPA/Scraping, and translating complex business needs into scalable, robust code.
Senior Backend Engineer
Vipshop (NYSE: VIPS) • Full time
Oct 2021 - Sep 2023 • 1 yr 11 mos
PO Lifecycle & Fulfillment: Engineered a core backend to manage the end-to-end lifecycle of millions of Purchase Orders (PO). State-Driven Workflow: Implemented a robust database-driven state machine to orchestrate complex procurement and fulfillment sequences across global logistics nodes. Asynchronous Scalability: Leveraged RocketMQ for decoupling and fault tolerance, supporting 100k+ DAU with 99.9% uptime via Java/Spring Boot microservices. Efficiency Breakthrough: Automated validation and tracking logic that reduced manual batch processing from 24+ hours to 2-3 hours (8x efficiency increase). Resilience: Successfully delivered high-quality architecture in a fast-paced, startup-like environment, demonstrating high adaptability to shifting corporate strategies.
Senior Java Backend Engineer
Alibaba Group Holding • Full time
Apr 2018 - Jul 2020 • 2 yrs 3 mos
● Global Quoting & Bidding Module: Acted as a key developer for the Inquiry & Bidding engine within the Global Supply Chain platform, owning the core logic for vendor capacity pricing and real-time bidding。 ● Vendor & Finance Integration: Engineered robust, high-throughput APIs to integrate with hundreds of global logistics providers for automated bid collection and synchronized data with internal financial systems for accurate billing。 ● Data Consistency & Integrity: Designed distributed transaction patterns to ensure high data consistency between external vendor quotes and internal ledger services, handling complex pricing variations.