In 2010, Snagajob estimated that over a quarter of Americans were searching for a second job. Three years later, if you aren’t, maybe you should be. A number of startups are working to bridge the gap between employer and employee, making the search for flexible jobs and hourly employment a lot less painful. Here are five quickly growing websites that can help you make some extra money, plus tips from some of their CEOs on how to optimize your search. Whether you’re a college grad struggling through an unpaid internship or a parent trying to figure out the best way to balance family and work, these sites can help. Even if you aren’t looking for a second job, these websites can provide the key to flexible schedules, hourly and task-based payment and even turning a hobby into a career.