Senior backend engineer with 8 years experience. Had experience for C10k high-concurrency system , and process over 100 million records in one table. Skill List: 1. Golang and Gin framework 2. NodeJS and express framework 3. C# .NetCore 4. MicroSerevice System Design, OOAD & UML 5. MS SQL/MySQL/PostgreSQL design and tuning. 6. CI tool : GIT(Gitlab use and deploy)/SVN . 7. DI tool : Drone 8. Ubuntu and shell script