IO
Full Stack Engineer - FinTech
IO TECH SOLUTIONS LIMITED
Full-time
Hong Kong, Hong Kong SAR
computer-and-mathematical
Posted:
June 04, 2026
Location:
Hong Kong, Hong Kong SAR, Hong Kong
Job Description
About the Role
We're looking for a Full Stack Engineer to build and maintain features across our mobile and backend systems. You'll work on React Native for the mobile app and Java + Kotlin for backend services, collaborating closely with product, design, and QA to deliver reliable, high-performing experiences.
Responsibilities
- Develop and maintain mobile applications using React Native
- Build backend APIs and services using Java (and Kotlin where needed)
- Design, implement, and optimize backend components for performance, scalability, and reliability
- Integrate mobile app features with backend services (REST/GraphQL as applicable)
- Write clean, testable code and maintain strong engineering standards
- Participate in system design, architecture discussions, and technical planning
- Debug production issues and improve observability (logs/metrics/tracing)
- Collaborate with cross-functional teams to de...
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Apply Now Save for LaterJob Overview
Job Type:
Full-time
Location:
Hong Kong, Hong Kong
Posted:
June 04, 2026
Deadline:
July 14, 2026