Senior Engineer, Software Development

Working Location: Empire Tower (100% onsite, accessible via BTS Chong Nonsi)

Role SummaryWe are looking for an Senior Engineer, Software Development to join our team in Thailand. The candidate will support backend development for both existing payment platforms and new payment solutions. The ideal candidate should have good backend development skills, basic understanding or interest in the payment / fintech / financial domain, good English communication, and willingness to learn and use AI tools to improve software development efficiency. Key Responsibilities• Development of reliable and critical services of the payment platform. • Design and develop new features and enhancements on the payment sub-systems such as transaction processing, merchant services, refund, settlement, reconciliation, reporting, and partner integration. • Analyse impacts and build APIs, backend services, batch jobs, and system integration components to be compatible on both legacy and new payment platforms • Collaborate with cross function teams such as Product, DevOps, Business, and support teams to ensure the Business requirements are fulfilled. • Understand business requirements and identify technical gaps, risks, dependencies, and edge cases before development starts. Then collaborate with team members to troubleshoot and resolve production incidents, and system improvement • Guide junior and mid-level engineers on implementation approach, coding standards, and troubleshooting. • Review code quality and ensure proper design, performance, security, and maintainability. • Take responsibility for end-to-end module understanding, design, development, testing support, deployment support, and production issue follow-up. • Ensure the module is stable, maintainable, and aligned with product and technical requirements. • Propose practical and scalable technical solutions for assigned modules. • Apply AI Coding tools (Claude, Codex, Kiro) to increase development efficiency and code quality.