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Experienced Backend Engineer with Java/Kotlin

Upwork
CAPosted April 19, 2026

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Job Description

Join a global team as an Experienced Backend Engineer. Utilize your expertise in Java or Kotlin to create high-performance systems while collaborating in a dynamic hybrid work environment.

This contract role focuses on developing scalable backend solutions, implementing security protocols, and enhancing system architecture. You will also mentor junior developers and participate in agile practices that drive project success. Your contributions will have a meaningful effect on the professional lives of countless users.

Key Responsibilities:

  • Develop robust server-side logic and APIs
  • Recommend optimizations for performance and scalability
  • Ensure thorough documentation and technical guidance
  • Engage in Scrum activities for project continuity
  • Coordinate efforts during core team hours

Requirements

  • Strong software development background in Java or Kotlin
  • Familiarity with REST or GraphQL APIs
  • Experience in writing maintainable unit tests
  • Knowledge of AWS and high-load applications
  • Proven ability to work with distributed teams

Bring your technical skills to shape the future of a diverse workforce and innovate user experiences.

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