
Founding Engineer / Head of Tech
We are seeking a highly motivated Founding Engineer / Head of Tech to take ownership of the technical development of a rapidly growing digital commerce platform.
This role offers the opportunity to work directly with the founder to expand and scale a live commerce technology platform already serving real customers.
The successful candidate will play a key role in shaping the product architecture, building new features, and establishing the engineering foundation for future growth.
Remote (Southeast Asia timezone)
Develop and extend a multi-tenant commerce platform used by brands and partners.
Build new product features based on business and operational needs.
Maintain and improve existing backend and frontend systems.
Take responsibility for system architecture and technical decisions.
Ensure scalability, reliability, and maintainability of the platform.
Identify areas for optimization and improvement in the codebase.
Use modern AI tools to accelerate development and problem solving.
Implement efficient workflows combining traditional engineering practices with AI support.
Work directly with the founder to translate business requirements into technical solutions.
Evaluate new product ideas and assess technical feasibility.
Help establish the engineering function as the company grows.
Support onboarding and mentorship of future developers.
Backend: Elixir / Phoenix / Ash framework
Frontend: React / TypeScript
Multi-tenant architecture
2–5+ years of software development experience.
Strong ability to learn new technologies independently.
Backend development experience in any major language.
Experience building or maintaining web applications.
Familiarity with modern development tools and workflows.
Experience using AI tools in software development is highly desirable.
Strong problem-solving ability and self-directed learning mindset.
Ability to communicate technical concepts clearly.
Fully remote working arrangement
Flexible working hours
Opportunity for high ownership and impact
Potential for long-term growth and leadership within the engineering team

ÆON Thana Sinsap (Thailand) Public Company Limited (AEONTS) is a Financial Services company located at 388 Exchange Tower 27th floor, Sukhumvit, Klongtoey, Bangkok, Thailand.