Strong proficiency with JavaScript, TypeScript
Knowledge of Node.js and frameworks available for it. Especially AWS microservices like AWS Lambda
Understanding the nature of asynchronous programming and its quirks and workarounds
Understanding accessibility and security compliance
User authentication and authorization between multiple systems, servers, and environments
Integration of multiple data sources and databases into one system
Understanding fundamental design principles behind a scalable application
Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform.
Creating database schemas that represent and support business processes, such as MYSQL.
Implementing automated testing platforms and unit tests
Proficient understanding of code versioning tools, such as Git
Proficient with logging services like AWS CloudWatch
Familiarity with Cloud services of AWS such as Cognito , Lambda , Cloud Watch, SM ,SQS , SNS