Systems Developer & API Integration Engineer

MateCareer; Jakarta Pusat; On-site; IDR 120,000,000 - 180,000,000; Full time

Job summary

MateCareer is seeking a developer to design, build, and maintain applications and system modules supporting IDXSTI's digital products. You will implement clean, efficient code aligned with standards and participate in architecture discussions with Product, BA, and Engineering teams.

You will integrate systems via internal and external APIs, ensuring high performance, security, and maintainability. The role involves testing, documentation, and collaboration with QA for quality releases and

Responsibilities

• Design, develop, and maintain applications and system modules that support IDXSTI's digital products and services.
• Implement clean, efficient, and maintainable code aligned with best practices and internal standards.
• Participate in requirement analysis, system design, and architecture discussions with Product, BA, and Engineering teams.
• Build and integrate systems using internal and external APIs, including integration with market data or financial platforms.
• Ensure high performance, stability, and security through testing, code review, and optimization.
• Prepare and maintain technical documentation including system design, API specs, and deployment guides.
• Collaborate with QA Engineers to support testing and ensure high-quality releases.
• Troubleshoot issues in development, staging, and production environments.
• Contribute to continuous improvement initiatives and adoption of new technologies.
• Support deployment, monitoring, and maintenance activities with the infrastructure team.

Job description

MateCareer is seeking a developer to design, build, and maintain applications and system modules supporting IDXSTI's digital products. You will implement clean, efficient code aligned with standards and participate in architecture discussions with Product, BA, and Engineering teams.

You will integrate systems via internal and external APIs, ensuring high performance, security, and maintainability. The role involves testing, documentation, and collaboration with QA for quality releases and