Ask for information with a purpose
Every field should support a decision or an immediate operational need. Name and contact details serve a clear purpose; a long employment history copied from an uploaded resume may not. Separate required information from optional context. Explain file formats and size limits before the candidate chooses a document.
Make the controls understandable
W3C guidance explains how labels identify form controls and support different ways of interacting with a page. Use persistent visible labels rather than relying on placeholder text. Group related questions and place instructions close to the relevant input. The following design recommendations apply that principle to recruitment forms.
Design the failure path
If an upload fails, explain what went wrong and how to recover. Preserve the text already entered wherever possible. Associate errors with their fields and move focus thoughtfully after a failed submission. A confirmation should identify the role applied for and describe the next step without promising a response time the team cannot meet.
Test beyond the happy path
Try the form on a narrow screen, using only a keyboard and with a screen reader. Submit an unsupported file, an oversized document and an invalid email. Measure completion and error rates in aggregate without recording private application text. A shorter form is only an improvement when candidates can finish it accurately and independently.