procurement

A simple standalone mobile webui where a vendor can report a supply.

REST API for EditaisGOV, a government procurement platform. Spring Boot, JWT auth, MySQL. Manages tenders and bids.

End-to-end Procure-to-Pay (P2P) platform: Purchase Requisitions (PR), Orders (PO), Goods Receipts (GR), 3-Way Matching & RTV. Built with Spring Boot 3, React 19, Kafka & Hexagonal Architecture (DDD).

面向 SRM 采购协同的 RAG 知识治理助手，支持混合检索、版本管理、角色权限过滤与引用回溯。

Web application for submitting, reviewing, and tracking office purchase requisitions across departments

ELK observability for supplier negotiation workflows with commercial-term redaction

Procurement order tracking system for managing purchase requisitions and purchase orders, with supplier lookup, inventory monitoring, and reorder notifications

Procurement in the next level

Real-time B2B tendering platform with concurrent reverse-auction bidding, secure supplier workflows, WebSocket updates, and explainable vendor recommendations.

Unofficial multi-language client SDKs (TypeScript, Java, .NET) for Portuguese public contracts (contratos públicos) in OCDS — typed Open Contracting models + gzipped-JSONL parser + dados.gov.pt discovery.

面向制造业采购协同的可解释多 Agent 系统，覆盖供应商、RFQ、报价、授标与采购订单工作流。

Archived Java + SQL system for supplier evaluation and purchasing control (thesis, 2006) Java · SQL Server · UML · Legacy academic project

Multi-tenant e-procurement/e-tender SaaS built as cloud-native microservices on Java 21, Spring Boot 3.4 & Spring Cloud.