Overseas Sales / DX Promotion role for a SaaS product serving the building materials industry, based in Tokyo (Minato Ward). The company is launching its first overseas expansion into the South Korean market and is recruiting sales members to lead the overseas business launch phase. Responsibilities: new customer acquisition in the South Korean market (building material manufacturers, distributors, construction companies), proposals to management, follow-up and relationship building with existing customers, marketing activities including exhibition participation and web marketing, and product feedback to the development department. Overseas business trips possible once monthly for 2-3 weeks. Required: corporate sales experience (2+ years), valid driver's license, ability to travel abroad for business, and the ability to conduct business negotiations and handle emails in Korean at a native level. Preferred: IT/SaaS sales experience, understanding of Korean business culture, new business launch or startup experience, and construction/building materials industry knowledge. Working hours Monday-Friday, 8:30-17:30 with a 60-minute break, average overtime under 30 hours monthly. Annual salary 5.2 million to 9 million yen. Benefits include comprehensive social insurance, company-provided PC and mobile phone, on-site cafeteria, water server, and stock options. Full weekends and public holidays off, annual paid leave, bereavement, maternity, childcare and caregiver leave. Full-time employment with a 3-month probationary period.