- Strong proficiency with JavaScript, TypeScript

- Knowledge of Node.js and frameworks such as Nest.js, Express.js, Fastify

- Knowledge and experience in AWS, GCP, Azure

- 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

- Implementing automated testing platforms and unit tests