IT Back End Engineer

KEY RESPONSIBILITIES Develop and maintain efficient, secure, and reliable APIsWrite clean, tested, and well-documented codeCollaborate with Frontend Engineers, Product Managers, and Product Designers to deliver high-quality technical solutionsParticipate in code reviews to maintain code quality and engineering standardsTroubleshoot, debug, and optimize application performanceContribute to database design, optimization, and maintenance.REQUIREMENTS Indonesian citizen with 3–5 years of professional experience as a Backend Engineer or Backend DeveloperProficient in Node.js and Express.jsStrong understanding of RESTful API design and developmentStrong experience with PostgreSQL, database design, data modeling, and query optimizationExperience with Amazon S3 or S3-compatible object storageStrong fundamentals in Data Structures, Algorithms, and Core Computer Science conceptsProficient with Git and collaborative development workflowsStrong problem-solving, communication, and cross-functional collaboration skillsAbility to perform performance tuning and query optimization.NICE TO HAVE Experience with cloud platforms such as AWS, GCP, or AzureFamiliarity with Docker and containerization technologiesUnderstanding of CI/CD pipelines and deployment workflowsBasic understanding of microservices architecture.