Analyze and propose the solution for new requirements requested by customers; 

Design and implement the feature solutions requested by customers; 

Design and execute the test scenarios from low-level to high-level testing; 

Track the testing results on the Continuous Integration (CI) system to ensure the quality of the feature development; 

Update documents to guide customers to use new features; 

Analyze and answer questions raised by customers towards the product and advise customers to use the released features properly; 

Support the customer in fixing product issues;