> Markdown version of [/jobs/ext/3389256-backend-engineer](https://www.wearedevelopers.com/jobs/ext/3389256-backend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Backend Engineer

- **Company:** Octopus Energy
- **Location:** Valencia, Spain (Remote available)
- **Salary:** €65,000.0 - €90,000.0
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Relational Databases, Fault Tolerance, Software Architecture, Next.js, Web Application Frameworks, Datadog, Data Logging, Backend, Front End Software Development, Restful APIs, Terraform
- **Published:** September 18, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

Fluent spoken English is absolutely essential ??. The team is international, so English will be the language you use on a daily basis.
On the technical side, you should have:
Strong professional experience building backend applications withPython.
Solid experience withDjango(or equivalent robust web frameworks).
Deep understanding ofDomain Modellingand software architecture.
Strong expertise designing and integratingGraphQL & REST APIs.
Proven experience writingrobust, fault-tolerant, and scalable software.
Experience withCeleryand asynchronous task processing.
Solid handling of relational databases, especiallyPostgreSQL.
Strong problem-solving skills and the ability to lead complex issues from concept to production.
? Nice to have:
Experience with cloud platforms and infrastructure (AWS, Terraform, Packer or Consul).
Familiarity or exposure to frontend technologies such asReact and Next.js.
Familiarity with logging and metric aggregation platforms (DataDog).