Business Development Executive (English/Korean Fluent) at SOTATEK JSC, Hanoi (CIC Tower, Nguyen Thi Due, Cau Giay). Software development firm with 1000+ employees serving 30+ nations. Responsibilities: Build, manage, and develop customer relationships; identify and approach new customers via email/phone; create proposals collaborating with technical teams; communicate requirements between customers and technical staff; monitor projects and resolve issues timely. Requirements: IT field knowledge or equivalent experience; minimum 1 year Sales IT/Business Development experience; fluent English and Korean (written and spoken); clear communication and negotiation abilities; technical document comprehension preferred. Benefits: Flexible hours (8:00-18:30); 14+ annual paid leave; 1 remote work day/month; 13th-month salary; social/unemployment/health insurance; performance reviews twice yearly; team activities; training programs; modern workspace.