ZK is a popular open-source Java Web framework started and run by Potix Corporation. With more than 80% of the customers from Europe and North America, we are looking for having another enthusiastic technical support developer experienced in Java, HTML, CSS, and JavaScript who's highly motivated and willing to communicate with and support worldwide customers. Job Description: 1) Perform technical support to worldwide customers via Email and/or online meeting tools. For example, answering technical questions, providing code examples, troubleshooting, and optimizing performance. Please note that this position is more focused on consulting and customer support rather than R&D or product development. 2) Implement projects and/or custom components based on customer requests 3) Create samples, technical documents, and reports 4) Flexibility of working from home Why This Role Is Unique: 1) Interact with developers from all over the world, solve real-world problems together, and exchange ideas that expand your knowledge and perspective. 2) Face new challenges every day, working with customers across a wide range of industries. 3) Experience the excitement of variety—this role is not limited to supporting a single product or fixing recurring bugs. Every day brings fresh challenges and opportunities to engage with different projects. Skills Required: 1) Core required tech skills: Java, HTML, CSS, and JavaScript 2) Familiar with Java servlet specifications, and experience in servlet containers such as Tomcat and Jetty in real-world projects is a plus 3) Logic thinking with good communication skills with colleagues and customers 4) Self-discipline and ability to work independently, and capable of taking responsibilities 5) Fluent in both oral and written English