Backend and Data Processing Engineer

We are seeking a Backend and Data Processing Engineer to join our team. In this role, you will be responsible to develop CRM system on AWS for data integration from each ERP system and connecting with the messaging hub system. You will work closely with front-end developers, data scientists, and other stakeholders to ensure that our systems are scalable, reliable, and performant. You will be responsible in creating a robust and secure AWS-based data lake by collecting diverse data sources and standardization. Experience Level: 3 ~ 4 years. Key Responsibilities: Standardize data and store/manage it in an AWS-based data lake. Collect customer data such as reservations, memberships, and payments from ERP systems across various locations. Implement automation for data pipelines and data consistency verification logic. Design marketing triggers based on customer journeys and implement automated scenario execution logic. Integrate with internal messaging hub systems to automatically send personalized SMS, emails, and notifications. Design structures for collecting data on message delivery results and user responses. Required Skill Set: Proficiency in backend development using Python, Node.js, etc. Experience designing and developing RESTful APIs. Skilled in SQL-based data analysis and database design. Experience in collecting and standardizing data from external systems such as ERP. Familiarity with ETL automation and scheduling. Experience in integrating with messaging systems. Qualifications: Bachelor or Master's degree in Computer Science or related field. Relevant backend and data pipeline building experience is crucial. Prior experience on CRM systems development / integration is preferred for this position