This Payment Business Development Manager position is based in Kuala Lumpur, Malaysia or Singapore and requires on-site work. The role focuses on business development within the Asia-Pacific (APAC) region. Specific responsibilities are not detailed in the provided text, but the job title clearly indicates a focus on expanding payment-related business activities. The position will likely involve identifying and developing new business opportunities, negotiating contracts, and managing relationships with clients and partners. A deep understanding of the payments industry, strong business development skills, and experience working in the APAC region are likely required.