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# Senior Backend Developer

- **Company:** Found By Few
- **Location:** Arbo, Spain
- **Salary:** €187,200.0
- **Contract:** Permanent contract
- **Skills:** PHP (Programming Language), Application Programming Interfaces (APIs), Mobile Application Software, Backend, Golang
- **Published:** September 28, 2026
- **Apply:** https://www.buscojobs.com.es/senior-backend-developer-en-arbo-ID-372325295

## About the Role

* Contributing to the migration from PHP toward Go as the product scales.What we're looking for:* 4+ years backend engineering experience* Strong PHP and Go/Golang knowledge* Experience in a scaled consumer mobile app with millions of daily users.If this sounds like you, send your CV to Please only apply if you are based in Spain, Portugal, Germany or the UK.

## Description

Role: Senior Backend DeveloperSalary: Up to €90,000Industry: B2C HealthTechLocation: Remote Europe (Spain, Portugal, Germany or the UK)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 ofmillions of requests daily.* Working closely with teams across the product to strengthen the backend for scalabilityand support the delivery of new features where needed.* Contributing to the migration from PHP toward Go as the product scales.What we're looking for:* 4+ years backend engineering experience* Strong PHP and Go/Golang knowledge* Experience in a scaled consumer mobile app with millions of daily users.If this sounds like you, send your CV to Please only apply if you are based in Spain, Portugal, Germany or the UK.


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