Produce three channel-optimized variants of the [Role] JD calibrated to [SeniorityLevel] and [Channels]. Maintain consistent value prop, outcomes, and must-have skills while adapting length, tone, and CTA. Ensure each variant has a clear hook in the first 200 characters and a single CTA linking to [CTAUrl]. Apply [EmployerBrandTone] (e.g., pragmatic, mission-led).
Output format (exactly):
Short Variant (≤700 characters) for job boards;
Standard Variant (~150 words) for careers site;
Long Variant (~300 words) for outreach/email;
UTM-Tagged CTA appended to each;
Key Differences Table: Variant | Primary Audience | Hook | Length | CTA Placement.