Congratulations and welcome to the "real" world. There are many challenges awaiting you. Most of them can be heartbreaking but if your persevere and hold on to God, I am sure you will be successful in your careers! Just remember that things may not turn out as you expect them to be but remain hopeful and confident. Failures may come, but use them as a stepping stone not as a stumbling block.
God bless you as you start a new journey!