How about designing a landing page for a product using columns and aligning the components within them? It also covers basic editing tasks such as cropping images and using templates.
Taking on an interesting quiz application project is a great way to master JavaScript. Here, you can include the option of providing a score to the player at the end of the game.
It involves developing a Chrome Extension that will request backend REST API, perform NLP, and return a summarized version of YouTube transcript to save you a great deal of time.
It involves creating an API for shortening URLs. Build your own URL shortener with Node, Express, and MongoDB. Also, any backend language can be used, depending on your expertise.
Slack clone projects are great resume additions and will likely catch recruiters' attention. Use React for frontend and core functionality, and Redux for effective state management.