Independently perform hands on development and unit testing of the applications; Collaborate with the development team and build individual components into complex enterprise web systems; Work in a team environment with product, frontend design, production operation, QE/QA and cross functional teams to deliver a project throughout the whole software development cycle; Responsible to identify and resolve any performance issues. Solid experience of AWS services such as CloudFormation, S3, Athena, Glue, EMR/Spark, RDS, Redshift, DataSync, DMS, DynamoDB, Lambda, Step Functions, IAM, KMS, SM etc.