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Senior Fullstack Java + React Native Developer

https://www.randstad.com Logo

Randstad

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Location:
Malaysia , Kuala Lumpur

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

10000.00 - 15000.00 RM / Month
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Job Description:

Randstad has recently partnered with a reputable fintech organisation, providing end to end financial solutions for users. Your future employers prioritize the utilization of modern and reliable technology to uphold principles of security and user experience in their solutions

Job Responsibility:

  • System Design: Architect end-to-end features that integrate a single Java/Spring backend with both Web and Mobile frontends.
  • Development: Write clean, optimized, and production-ready code across the full stack.
  • Performance Tuning: Identify and resolve bottlenecks in the backend, SQL queries, and mobile UI rendering.
  • Leadership: Lead code reviews, mentor junior developers, and drive best practices in testing (JUnit, Jest, Espresso).
  • Deployment: Manage the full application lifecycle, including App Store/Play Store submissions and cloud deployments.

Requirements:

  • Java Backend: 4+ years of experience with Java (8/11/17). Expert-level knowledge of Spring Boot and Spring MVC for building high-availability REST APIs.
  • Web Frontend: Extensive experience with ReactJS, including state management (Redux, Saga, or Context API) and modern hooks.
  • Mobile Development: Proven track record of building and maintaining React Native applications for iOS and Android.
  • Data Layer: Strong proficiency in SQL (PostgreSQL/MySQL), JPA/Hibernate, and database schema design for scalability.
  • Architecture: Experience with Microservices, Design Patterns, and securing applications using OAuth2/JWT.
  • DevOps/Tools: Proficiency with Git, CI/CD pipelines (Jenkins/GitLab), and build tools like Maven or Gradle.
  • 4+ years of verifiable full-stack experience in a professional environment.
  • Strong problem-solving skills and the ability to handle complex, ambiguous requirements.
What we offer:
  • Excellent Benefits
  • FinTech Industry
  • Public Transport Accessible

Additional Information:

Job Posted:
May 12, 2026

Expiration:
June 16, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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