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# backend engineer

- **Company:** Ersilia
- **Location:** Madrid, Spain
- **Salary:** €45,000.0 - €50,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Software as a Service, Continuous Integration, Spring-boot, Backend
- **Published:** August 16, 2026
- **Apply:** https://www.jobleads.com/es/job/e21a50b57c781598b7b557d19fcef1c49

## About the Role

Se valorará experiencia con Java 17, Spring Boot y herramientas de integración; trabajarás en un entorno híbrido en Madrid (San Blas), con despliegues CI/CD y colaboración con frontend y QA para entregar

## Description

Ersilia, una consultora tecnológica con sede en Madrid, busca un backend engineer para diseñar APIs y servicios robustos que sostengan una plataforma SaaS del sector público. Trabajarás en autenticación, gestión de incidencias y consultas de datos, priorizando seguridad y escalabilidad.


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- [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock)
- [Beyond the Hype: Building Trustworthy and Reliable LLM Applications with Guardrails](https://www.wearedevelopers.com/videos/1594-beyond-the-hype-building-trustworthy-and-reliable-llm-applications-with-guardrails)
- [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape)
- [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean)
- [Fleet Management - Reinvented](https://www.wearedevelopers.com/videos/473-fleet-management-reinvented)

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