WorkNJ

WorkNJoy (operating as GPRO — 그룹웨어프로) is a Korean B2B workplace management SaaS platform that unifies HR, attendance, finance, electronic approval, and collaboration into a single interconnected system. The platform enables real-time data synchronization across all business functions, integrates with major Korean and global ERP systems (SAP, Douzone, Youngrimwon) and collaboration tools (Google Workspace, Naver Works, Microsoft 365, Slack), and offers granular permission controls and custom workflow configuration per company policy. Hosted on AWS and targeting companies from SMEs to large enterprises and multi-entity corporations, GPRO differentiates through its bidirectional ERP integration and live data interoperability across HR, payroll, and finance modules.