International market sales engineer (Korean language) at a Hong Kong-listed energy storage battery group (1,000-9,999 employees) serving telecom, data center and power system customers. Based in Gulou District, Nanjing, 10 openings. Responsibilities: develop overseas markets in assigned regions and promote energy storage and UPS solutions; provide technical sales support, understand customer needs and work with technical teams on customized solutions covering product selection, configuration, bidding and technical consultation; manage the full project lifecycle from opportunity identification and quotation negotiation through contract execution, delivery coordination and payment follow-up; collect overseas competitive intelligence, industry policy updates and customer feedback to inform product optimization. Requirements: 3-5 years of experience, bachelor's degree, fluent Korean for cross-cultural professional communication, foreign trade expertise including trade terms, payment methods and certification requirements.