About Ottavio Sostero | Contra Ottavio Sostero

Ottavio Sostero

Ottavio Sostero

Audio Software & Music Production Expert

Ready for work

Ottavio is ready for their next project!

Barcelona, Spain

Work Services About

Barcelona, Spain

Meet Ottavio

I'm Ottavio, a Software and Audio Engineer with a unique blend of technical skills and music expertise. I specialize in developing audio software, including plugins and scripts, and offer top-notch audio production services for advertisements. Whether you need custom audio solutions or music production, I'm here to bring your projects to life with precision and creativity.

Rate

$25 - $50/hr

Skills and tools

Audio Engineer Software Engineer Audio Editor Musician Music Producer Software Consultant Blog Writer Music Curator Sound Designer Sound Effect Specialist Composer Producer

Details

Barcelona, Spain

(GMT+1) Central European Time (CET), ±5 hours

Fluent in English, Spanish, and Italian

Join 50k+ companies and 1M+ independents

Hire creatives Get hired

For independents

Contra Pro Manage freelance projects Get verified as an expert Find jobs Get discovered Sign contracts Send invoices Commission-free payments

For companies

For companies Manage team projects Share hiring workspace Post jobs Discover contractors Sign contracts Approve invoices Global payments & tax compliance

Use Cases

For companies For freelancers For creator tools For agencies For VCs

Resources

Partner networks Advertising Challenges Creative Human Data Human Creativity Benchmark Human in the loop API Project-based hiring calculator Guide to flexible hiring Guide for agencies Creator tools awards Customer stories Blog FAQs for freelancers FAQs for companies Referrals

Hire Freelancers

Explore all Top independents Design Engineering Marketing Music & audio Social media Video & animation Product Business consulting & HR Other

Company

Mission Careers Terms & conditions Privacy policy Cookie policy

Contact

Contact support

For independents

Contra Pro Manage freelance projects Get verified as an expert Find jobs Get discovered Sign contracts Send invoices Commission-free payments

For companies

For companies Manage team projects Share hiring workspace Post jobs Discover contractors Sign contracts Approve invoices Global payments & tax compliance

Use Cases

For companies For freelancers For creator tools For agencies For VCs

Resources

Partner networks Advertising Challenges Creative Human Data Human Creativity Benchmark Human in the loop API Project-based hiring calculator Guide to flexible hiring Guide for agencies Creator tools awards Customer stories Blog FAQs for freelancers FAQs for companies Referrals

Hire Freelancers

Explore all Top independents Design Engineering Marketing Music & audio Social media Video & animation Product Business consulting & HR Other

Contact

Contact support

Company

Mission Careers Terms & conditions Privacy policy Cookie policy

© 2026 Contra.Work Inc