Advice Needed: MSc at Universidad Internacional Menéndez Pelayo (UIMP) and Biotech Careers in Spain

I am a 29-year-old Indian student who has been admitted to the MSc in Integrative Synthetic Biology at Universidad Internacional Menéndez Pelayo (UIMP). I have a few questions about career prospects in Spain:

1. Will my age be a disadvantage when applying for PhD positions or industry jobs in Spain?
2. During my PhD, I plan to gain experience in both wet-lab and dry-lab (computational biology/bioinformatics) research. Would this interdisciplinary profile improve my employability in academia and industry?
3. What is the current job market like for synthetic biology, computational biology, and biotechnology in Spain, particularly for international graduates?
4. How important is learning Spanish for securing PhD positions and industry jobs? Is English sufficient in research environments, or is Spanish essential for long-term career growth?
5. As a non-EU citizen from India, what are the visa and work permit prospects after completing my MSc and PhD in Spain? Is it relatively straightforward to transition from a student visa to a work visa if I secure employment?

I would appreciate any insights or advice from people who have studied or worked in Spain, especially in the fields of synthetic biology or biotechnology.