If you know the software stack that your team uses, getting some basic familiarity with it will help a lot. Java is a pretty safe bet.
Getting familiar with version control systems. Git is quickly becoming a de facto standard.
Other than that, most of your training will be on the job. The hardest part will probably be the mental aspect: You're going into an environment where you're relatively new and the people around you are experienced. Make sure to fight foes like imposter syndrome by putting things in perspective and cutting yourself slack when you don't know something: It will come with time.
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If you know the software stack that your team uses, getting some basic familiarity with it will help a lot. Java is a pretty safe bet.
Getting familiar with version control systems. Git is quickly becoming a de facto standard.
Other than that, most of your training will be on the job. The hardest part will probably be the mental aspect: You're going into an environment where you're relatively new and the people around you are experienced. Make sure to fight foes like imposter syndrome by putting things in perspective and cutting yourself slack when you don't know something: It will come with time.