Swap your job title to "Designer, Front End Developer." Or leave it as "Designer," and then in the description, put something like "performed front end engineer

Swap your job title to "Designer, Front End Developer." Or leave it as "Designer," and then in the description, put something like "performed front end engineering duties such as..." Also make sure to highlight your use of JavaScript, whatever web framework, etc. "Coded React frontend in JavaScript" etc. All you're trying to do is get on the phone. Make sure your frontend skills are hot hot hot, you gotta be able to back this up. Throw an open source projects section on there and list your title as frontend engineer for those, whether they're personal or free work for the city or something (find volunteer civil hack meetups).