Backend Developer

DAOUKIWOOM INNOVATION – Korea’s leading IT Company DAOU, meaning “Doing great good to the World’, has been leading the Korean IT industry with outstanding technology over the last 35 years. Daoukiwoom Innovation is a part of Daoukiwoom Group.DaouKiwoom Group started off in the IT business areas, having expanded business horizons to online based financial services, contents, and service businesses. It has also been continuing its stride to overseas, transforming itself into a global enterprise. DaouKiwoom Group has expanded into USA, Japan, China, Indonesia, Vietnam and France, creating outstanding developments in areas of IT, finance, and service. If you are looking for a company where you can show your skills in a dynamic environment, please come to us! Being part of our company, you will work with a funny and happy team. ● Location: Level 12, 13 & 14, AP Tower, 518B Đien Bien Phu, Thanh My Tay Ward, HCMC ● Working time: Monday - Friday | 08:30 - 12:00 & 13:00 – 17:30 ● Number of employees: 180+ ● Website: https://daoukiwoom.vn/ ● Industry: IT, Finance Your role & responsibilities Systems Operations Monitor servers, Synology NAS, networks, VPN, and websites, and respond to incidents Create and revoke VPN, NAS, and Active Directory accounts when employees join or leave Check backup status and storage capacity; track SSL certificate and cloud service renewals Work with external vendors to resolve network and server issues Backend and Databases Develop features and fix issues in the existing Java-based management system Deploy and operate internal applications Manage backups, restoration, access permissions, and query optimization for MySQL and PostgreSQL Build small tools to automate repetitive tasks Work with external partners on server migration using existing documentation Documentation and Reporting Record completed work and update operational runbooks Provide weekly updates on work progress and incident resolution Your skills & qualifications Bachelor’s Degree in Information Technology or a related field. Hands-on experience managing production servers and databases Ability to diagnose and resolve server and database incidents Ability to verify backups and restore data Ability to develop REST APIs in Java, connect applications to databases, and read and modify existing code Experience with MySQL or PostgreSQL and strong SQL skills Ability to manage Linux server accounts, permissions, SSH, services, firewalls, and logs Experience deploying and operating applications with Docker, and configuring and operating nginx Basic understanding of networking and security concepts, including TCP/IP, DNS, VPN, firewalls, and SSL Ability to deploy applications and carry out server migration tasks Preferred Qualifications: Experience operating Synology NAS, VMware, Fortigate, or AWS Experience setting up database replication or automated backups Experience using Git and reading technical documentation in English Experience using AI tools to support coding or documentation Benefits for you Income & Achievement SHUI as Vietnamese Law Competitive salary, salary review once a year 13 th month salary and Annual Performance Bonus MVP and Shining star awards at the end of year Workplace Happiness Premium Private Medical Insurance & Accident Insurance 24/7 Annual health check 15-day annual leave, Christmas leave and 90-min menstrual leave for women Company trip, YEP and monthly gathering time Gifts on special occasion and fully stocked snack corner Sponsored training courses and book purchase quarterly Be well-equipped with new working equipment Global and professional working environment