Senior Engineer, Software Development

Role Summary

We 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.
• Analyse system impact and collaborate with team members to troubleshoot and resolve production incidents, and system improvement.
• Apply AI Coding tools (Claude, Codex, Kiro) to increase development efficiency and code quality

Required Qualifications

• Bachelor’s degree in Computer Science, IT, Software Engineering, or related field.
• At least 3–5 years of software development experience, preferably in backend development and familiarity with basic SDLC including Agile development
• Solid programming ability in at least one backend technologies such as Java, C# .NET, Python, or similar, building REST APIs, system integration, and backend service development.
• Foundational knowledge with both TSQL databases (SQL Server, MySQL) and No-SQL databases and distributed systems
• Hand-on experience on some of the AI Coding development tools (Claude, Codex, Kiro)
• Strong analytical and problem-solving skills to break down complex problems, understand requirements, identify root causes to deliver reliable backend solutions and willingness to apply new technologies (leveraging AI) to enhance productivity.
• Good communication skills and teamwork.