Senior Application Security Engineer

Treatwell · Spain · Remote-friendly

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Company
Treatwell
Location
Spain
Employment type
Full-time
Posted
October 27, 2026

About this job

Senior Application Security Engineer We are hiring a Senior Application Security Engineer to own application security across Product Engineering and make Treatwell's products secure by default. You own the security tooling, from SAST in the pipelines to DefectDojo, you are the first call when an application-layer incident needs a security engineer, and you work hands-on with the teams that build our products: pairing with their engineers to fix what the scanners, the annual pentest and real incidents find, closing the design gaps behind them, and sometimes picking up a specific security epic for a product such as Connect or Salonized. Each time, the team ends up able to do the next one without you. This is a hands-on role.…

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Engineer salaries in Spain

Based on 79 postings that disclose pay.

Median salarygross / year
€49,500
€29,500Typical range€89,500

Estimated from advertised pay across our sources — indicative gross annual figures, not an offer.

Most-requested skills in Spain

Based on 248 Spain vacancies that list requirements, these are the skills employers ask for most often.

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Engineer skills

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