Develop and maintain backend systems using Go, ensuring high performance, scalability, and security Design and implement RESTful APIs and microservices architecture Manage and optimize databases (PostgreSQL, MySQL, or MongoDB) to ensure data reliability and efficiency Integrate with third-party services and external APIs Collaborate with frontend, mobile, and product teams to deliver high-quality features Troubleshoot issues, debug applications, and continuously improve system performance Handle deployment processes using Docker/Kubernetes and apply best practices in Git version control and system security Kualifikasi Minimum 5+ years of experience in backend development or related roles Strong proficiency in backend programming language (Go) Experience designing and developing scalable, secure, and high-performance backend systems Strong understanding of RESTful API design and microservices architecture Experience working with databases such as PostgreSQL, MySQL, or MongoDB Familiar with version control using Git Experience with containerization and deployment tools such as Docker or Kubernetes Understanding of system performance, security best practices, and backend optimization Experience integrating with third-party services and external APIs Experience working in Agile or Scrum development environments Strong problem-solving skills and ability to collaborate with frontend engineers, mobile engineers, and product teams