https://www.coursera.org/learn/bioinformatics
The Biostar Handbook and BioPython library also have active communities for self learners
https://www.biostarhandbook.com/
http://biopython.org/DIST/docs/tutorial/Tutorial.html
Best of luck ;)
This looks decent: https://www.amazon.com/Algorithms-Bioinformatics-Introductio...
On a semi related note I got a biochemistry degree 10 years ago and have been writing software outside the field ever since. My partner still is in genomics so I do somewhat keep up but I definitely still love biochemistry and miss keeping up with it. So, uh, do you think you'd like to talk to someone about your projects or share good papers or something?
Those are Durbin et al 1998 and Pevzner et al 2000.
Durbin et al is a classic on HMMs, but some sections feel incomplete.