Lead with the project
Explain what you need done and why it matters before listing tools or generic personality traits.
Include the essentials
Project objective.
Main deliverables.
Relevant skills.
Deadline or expected schedule.
Approximate workload.
Required experience.
Examples or references.
Budget structure when appropriate.
Avoid impossible wish lists
Combining several unrelated specialties into one bargain role can repel strong specialists and attract candidates who overclaim.
Give candidates something useful to respond to
Ask one or two project-specific questions instead of requesting generic cover letters.
A job post is a filter.Good specificity attracts relevant candidates and gives weak matches reasons not to apply.
Do not hide important constraints
If the project requires a timezone, platform, language, technical stack or availability window, say so early.