You will know you’re taking the right job via asking the right questions and doing your research. Do you like your potential boss? Does your personal growth vector within the company satisfy your current career aspirations? What’s the culture like, and do the values align with your own? Does the starting salary work for you monetarily? When you seek a out a job, you’ve got to gather lots of data points and use that data to drive your job making decisions. You’ll feel satisfied with whatever decision you make so long as you are diligent in this process.