The first step in any product engineering project is to clearly define the problem you're trying to solve and the value you're trying to create. You need to understand the needs, pains, and goals of your target users, as well as the market opportunity, competitive landscape, and business objectives. You can use tools like user interviews, surveys, personas, user stories, and problem statements to gather and validate your assumptions and hypotheses.
Design the solution
The next step is to design the solution that will solve the problem and deliver the value. You need to consider the user experience, the technical architecture, the functionality, and the feasibility of your product. You can use tools like sketches, wireframes, mockups, prototypes, and user feedback to iterate and refine your design.
Develop the product
The third step is to develop the product according to the design specifications and best practices. You need to follow an agile methodology that allows you to work in short cycles, deliver incremental value, and incorporate feedback. You also need to use tools like version control, code review, testing, and deployment to ensure the quality, reliability, and security of your product.