I need some guidance regarding how I can make sure of the quality of that product.
Start with mindset of below:
- Creative test approach.
- How I can break the code.
- Cover maximum functionality with Minimum scenarios.
- Learn Product and Functionality. (Be a functional expert).
- Document your product experience and Share with people around you.
- Adopt Devops Agile (You can google about them.
Last but not lease. 7. Be Proactive in approach and neutral in communication
Learn and practice.
You can start learning from various books and blogs. Here are some post suggestions for those: