June 2026
ER

Backend Developer Java (Fulltime Freelance)

Erajaya Group

Jakarta Freelance onsite

Rp5,000,000 - Rp10,000,000 / yearly

Description

Erajaya Group, a dynamic organization based in Jakarta, is seeking a skilled Backend Developer Java for a full-time freelance position. This role offers an opportunity to contribute to the development of robust, scalable systems within a fast-paced environment, collaborating closely with cross-functional teams to deliver high-quality solutions.

About the Role

The successful candidate will be responsible for designing, developing, and maintaining backend systems using Java. This involves writing clean, efficient code, optimizing application performance, and ensuring system reliability. Collaboration with business analysts, project managers, and the support team is essential to understand requirements and address operational challenges effectively.

Key Responsibilities

  • Develop, test, and deploy Java-based backend services and APIs.
  • Collaborate with business analysts, project managers, and the support team to gather requirements and troubleshoot system issues.
  • Optimize application performance and resolve complex performance issues.
  • Participate in code reviews and knowledge sharing sessions.
  • Contribute to the design and implementation of system architecture.
  • Support the deployment and maintenance of existing backend systems.

Requirements

  • A growth mindset and a strong eagerness to learn new technologies, methodologies, and architectural patterns.
  • Proven experience in system development and working within a fast-paced development lifecycle.
  • Experience with Java and related frameworks (e.g., Spring Boot, Hibernate).
  • Ability to collaborate effectively with diverse teams including business analysts, project managers, and support personnel.
  • Strong problem-solving skills and a focus on delivering high-quality, maintainable code.
  • Experience in performance optimization and troubleshooting complex backend issues.

What We Offer

Erajaya Group provides a competitive freelance arrangement within a professional environment. This role offers the chance to work on challenging projects, contribute to meaningful solutions, and collaborate with talented professionals. Opportunities for skill development and professional growth are inherent in this position.

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Job Overview

  • PostedMay 21, 2026
  • TypeFreelance
  • LocationJakarta