Back-End Developer (C#, .NET, SQL)

Responsibilities Develop, maintain, and optimize back-end applications using C#, .NET Framework/Core, and SQL Server. Design and implement RESTful APIs and microservices to support web and mobile applications. Ensure high performance, security, and scalability of applications. Work closely with front-end developers, QA teams, and other stakeholders to deliver high-quality solutions. Debug, troubleshoot, and enhance existing applications. Participate in code reviews and continuously improve system architecture and performance. Requirements[Required] 1+ years of experience in back-end development with C# and .NET (Framework/Core). Solid knowledge of SQL Server, database design, and optimization. Experience with RESTful API development and integration. Understanding of OOP, SOLID principles, and design patterns. Familiarity with Agile/Scrum development methodologies. Strong problem-solving skills and ability to work in a team. [Preferred] Experience with Entity Framework, Dapper, or other ORM frameworks. Knowledge of cloud services (Azure, AWS, GCP). Familiarity with CI/CD pipelines and DevOps practices. Experience in containerization technologies like Docker, Kubernetes. Benefits Attractive salary and bonus will be discussed after going through CV & Interview Topik allowance Review capacity annually and adjust salary increases according to work performance. Health care: Premium health insurance, Annual health check-up Young working environment Good career development opportunities with interesting and challenging projects. English, Korean, technical, soft skills training courses. Opportunity to learn special courses from LG CNS, new technology and security. Gifts on holidays (April 30th - May 1st, September 2nd, Tet, etc.) Outdoor activities with company support: sports clubs, team building, happy hour parties, birthdays, travel, employee and family events, etc. Working hours: 8 hours from Monday - Friday (8 hours/day)