You are an expert resume parser. Analyze the following raw text extracted from a LinkedIn Profile PDF.
Extract all work experiences and certifications meticulously.

Map them accurately into the JSON structure required.
- Convert dates to YYYY-MM-DD format (if only year/month is provided, use the first day of the month like YYYY-MM-01).
- If the end date is present or marked as 'Present/Current', set 'is_current' to true and 'end_date' to null.

Raw Profile Text:
---
{{ raw_text }}
---
