To become an e-learning developer, you will need BTEC HNC/HND or degree in computing, multimedia or educational technology. Employers will normally look for your qualifications in computers and experience in developing multimedia and learning content. Your experience in website designing or web programming can also be helpful. In normal cases, you will be working to develop education content for the web and hence you will need good experience in web development tools like Dreamweaver. You also need to have a working knowledge of HTML, DHTML, XML, PHP, JavaScript, Flash, etc. There are web designing courses that teach these languages. You can also see plenty of learning materials available as free download from sites like w3schools.com.