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# Senior Backend Developer

- **Company:** Found By Few
- **Location:** Castro Caldelas, Spain
- **Salary:** €90,000.0
- **Contract:** Permanent contract
- **Skills:** PHP (Programming Language), Application Programming Interfaces (APIs), Mobile Application Software, SIGA, Backend, Golang
- **Published:** September 7, 2026
- **Apply:** https://www.buscojobs.com.es/senior-backend-developer-en-castro-caldelas-ID-369413962

## About the Role

4+ years backend engineering experience
Strong PHP and Go/Golang knowledge
Experience in a scaled consumer mobile app with millions of daily users.

## Description

Role: Senior Backend DeveloperSalary: Up to €90,000Industry: B2C HealthTechLocation: Remote Europe (Spain, Portugal, Germany or the UK)Siga leyendo para comprender completamente lo que este trabajo requiere en cuanto a habilidades y experiencia. Si su perfil encaja, presente su candidatura.Why join?This is a chance to build at real scale on an app that millions of people use every day. You'llbe working on the backend systems that keep everything running smoothly. The team isexperienced, the environment is genuinely autonomous, and there's a real pathway to TechLead or Engineering Manager if that's where you want to go.What you'll be doing:Improving the core PHP API that powers the Android and iOS apps, handling hundreds of millions of requests daily.Working closely with teams across the product to strengthen the backend for scalability and support the delivery of new features where needed.Contributing to the migration from PHP toward Go as the product scales. xiphtebWhat we're looking for:4+ years backend engineering experienceStrong PHP and Go/Golang knowledgeExperience in a scaled consumer mobile app with millions of daily users.If this sounds like you, send your CV toPlease only apply if you are based in Spain, Portugal, Germany or the UK.


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