Just FYI, it has been in the news recently that Finland has the second highest unemployment rate in Europe, so jobs might be hard to find.
Also, unfortunately there have been case studies showing that folks with non-nordic names have a lower chance to get hired.
That being said, Finland is a lovely place to be.

Worst time ever to look for a job.

I’ve seen a lot of IT jobs peddled and settled on irc still in this day and age.

If you find something good, let me know! I live in Finland and do IT jobs, and there is no decent aggregator that has good ones.

Try specific companies - Wolt, IQM, ICEYE, etc.