Good portfolios make it easy for someone to understand what you build, how you think, and where you can add value.
Lead with the outcome
For every project, explain the user problem and the result first. Technology belongs in the story, but it should support the outcome rather than replace it.
Show your contribution clearly
Be specific about what you owned: interface design, data modelling, API work, performance, testing, or delivery. Clear attribution builds trust.
Keep it current
One strong case study is more useful than a long list of old experiments. Treat your portfolio as a product and improve it as your work evolves.