A Full Stack Developer cover letter should connect your achievements to what the listing asks for. Here is what to emphasise, the skills that matter, and a free tool to check your CV before you send it.
Yes, but weight them toward the skills most relevant to the job posting. If the role leans backend-heavy, put backend technologies and projects first, and vice versa for frontend-heavy roles.
It is strongly recommended since it lets employers verify your hands-on coding ability beyond what a resume describes. Include two or three projects that show both frontend and backend work, ideally with live demos.
Focus on 8 to 12 technologies you can confidently discuss in an interview rather than listing every tool you have briefly touched. Quality and depth matter more than a long list.
Yes, especially if they demonstrate skills not covered in your day job, such as a new framework or deployment pipeline. Just be clear about which work was professional versus personal.
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