Position overviewPosted 1 month ago
Senior Software Engineer (Full-stack, AI-Native)
Simplesat →full-time5+ years
Bangkok, Thailand
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Listing record updated: September 28, 2026. We archive records after 60 days without an update. This date does not confirm that the employer is still hiring.
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About the position
Simplesat seeks a Senior Software Engineer in Bangkok to build and maintain a real product used globally. The role involves owning features end-to-end with AI agents, ensuring output trustworthiness through automation, and making sharp technical calls on architecture and performance. The team focuses on clean, scalable architecture and real-time analytics for millions of responses.
Responsibilities
Designing and building features end-to-end across the stack
Making AI output trustworthy with automation and self-validating loops
Refactoring toward simplicity and retiring dead code
Making sharp technical calls on architecture and performance
Sharing knowledge and raising the bar with teammates
Requirements
5+ years building and shipping web applications with strong JavaScript
Experience shipping real production work using AI
Unit and frontend E2E automation validation
Track record of refactoring to reduce complexity
Comfortable building and consuming REST APIs and optimized SQL
Comfortable in English (spoken and written)
Nice to have
Experience designing reusable AI context, skills, or guardrails for a team
Hiring Process
Apply via the provided link and share a story about an AI agent failure
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