Senior Full Stack Engineer (React & Java)
Treatwell · Spain · Remote-friendly
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- Company
- Treatwell
- Location
- Spain
- Employment type
- Full-time
- Posted
- October 22, 2026
About this job
Senior Full Stack Engineer (React & Java) We build and operate Connect, a SaaS platform for the beauty & wellness industry that helps entrepreneurs run their businesses more effectively, built by Treatwell. Our web products are used daily by tens of thousands of people across 13 European countries. Our teams own their areas from initial idea and design through deployment and operations. We focus on writing maintainable, scalable code while balancing legacy and modern technologies. We encourage engineers to experiment with new ideas, learn from mistakes, and improve our systems continuously. You will be responsible for: Take ownership of features across the stack, from database schema and backend services to the UI, from design through deployment and operations.…
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Engineer salaries in Spain
Based on 79 postings that disclose pay.
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.
- MATLAB21% of postings
- AutoCAD19% of postings
- Project Management17% of postings
- Lean13% of postings
- SAP12% of postings
- CAD11% of postings
- Quality Assurance10% of postings
- CATIA7% of postings
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