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Full Stack Engineer - FinTech

Student-Friendly Entry-Level
Company

IO TECH SOLUTIONS LIMITED

Location

Hong Kong, Hong Kong

Posted

June 04, 2026

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About This Opportunity

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...