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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
What I would suggest doing is joining some small embedded open-source projects. For example https://github.com/IMProject/IMBootloader You can pick one microcontroller from the market and port this bootloader to it. Then you will gain experience, get some feedback when you do Pull Request, and you will have references in your CV.
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