Back End Developer (Node.Js, AWS)

LG CNS is a leading IT service provider from South Korea, specializing in digital transformation, cloud, AI, and smart factory solutions. At LG CNS Vietnam Build Center, we develop global-scale digital products and systems, working closely with international teams. We are expanding rapidly and looking for talented developers to join our journey

• Develop and maintain high-performance backend systems and APIs using Node.js.
• Design and implement server-side logic, database schemas, and integrations.
• Deploy, monitor, and optimize backend services on AWS cloud infrastructure.
• Migrate to NestJS and manage the database using Prisma/DrizzleORM (undetermined).
• Collaborate with front-end engineers, DevOps, and product owners to deliver seamless solutions.
• Ensure best practices in coding, security, performance, and scalability.
• Participate in technical discussions, code reviews, and agile development activities.
• Troubleshoot and resolve issues in production and development environments

[Required]

• Hands-on experience (3+ years) in developing back-end systems with Node.js.
• Solid understanding of AWS services like EC2, S3, Lambda, API Gateway, RDS, etc.
• Strong database knowledge (SQL and NoSQL — MySQL, MongoDB, DynamoDB).
• Experience with RESTful API design and integration.
• Familiar with Git, Agile/Scrum working environment.
• Good understanding of microservices architecture is a plus.
• Intermediate English skills (for communication with global teams).
• Problem-solving mindset and a team player attitude.

[Preferred]

• Experience with serverless architectures (AWS Lambda, Serverless Framework).
• Knowledge of CI/CD processes and tools (e.g., Jenkins, GitHub Actions).
• Understanding of containerization (Docker, Kubernetes).
• Experience with security best practices for cloud-based applications.

• 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)