I've completed and can recommend all of these if the topics are of interest to you: https://www.coursera.org/learn/basic-modeling https://www.coursera.org/lear

I've completed and can recommend all of these if the topics are of interest to you: https://www.coursera.org/learn/basic-modeling https://www.coursera.org/learn/basic-modeling https://www.coursera.org/specializations/algorithms https://www.coursera.org/specializations/algorithms https://www.coursera.org/learn/discrete-optimization https://www.coursera.org/learn/discrete-optimization https://www.coursera.org/learn/programming-languages https://www.coursera.org/learn/programming-languages I'm still working my way through this one but it's been good so far: https://www.coursera.org/specializations/data-structures-algorithms https://www.coursera.org/specializations/data-structures-alg...