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Full Stack Engineer - FinTech

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Job Description - Full Stack Engineer - FinTech

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 deliver new features from concept to release
  • Maintain and improve CI/CD pipelines (as needed)

Required Qualifications

  • 5+ years of professional software development experience
  • Strong experience with React Native and building production-quality mobile features
  • Strong backend development experience with Java
  • Experience building and consuming APIs (REST/GraphQL)
  • Solid understanding of object-oriented programming, data structures, and algorithms
  • Proficiency with relational and/or NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB)
  • Experience with testing frameworks and practices (unit/integration testing)
  • Familiarity with authentication/authorization (OAuth2/JWT or similar)
  • Experience using Git and working with code review workflows
  • Strong debugging skills and understanding of asynchronous/mobile-network behavior
Original job Full Stack Engineer - FinTech posted on GrabJobs ©. To flag any issues with this job please use the Report Job button on GrabJobs.
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