Other than making games and networking, creating a quality portfolio to display your work is one of the most important steps of applying for jobs in the game industry. Luckily, it’s also pretty simple compared to the first two steps! XD
This guide should be helpful for a variety of asset creation jobs- mainly, coding, art, and sound design– as that’s my biggest area of experience and therefore what I can give the most accurate advice on.
Remember that your resume and portfolio are living documents; update them with new work you’ve done and remove old work as you advance in your career.