> Markdown version of [/jobs/ext/1614617-backend-software-engineer](https://www.wearedevelopers.com/jobs/ext/1614617-backend-software-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 Software Engineer

- **Company:** Worldfirst
- **Location:** Oña, Spain
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Computer Literacy, Data Centers, Data Security, Payment Systems, Middleware, Spring-boot, Backend, Microservices
- **Published:** July 31, 2026
- **Apply:** https://www.buscojobs.com.es/backend-software-engineer-en-ona-ID-364183778

## About the Role

* Solid knowledge of Computer Science and Payment System principles, with familiarity in Unix/Linux, storage, and networking
 * Proficient in Java with SpringBoot / SofaBoot microservices, and familiarity with Ant International's middleware
 * Strong problem-solving capability, good communication, and a sense of ownership

## Description

Experteer Overview In this role you design and implement infrastructure to support scalable IDCs and reliable payment systems.You will analyze production issues to derive best practices and help evolve a resilient payment architecture.You handle incidents, drills, and on-call duties to ensure rapid resolution.You develop data protection plans aligned with industry standards to maintain data integrity and security.This role offers the chance to work on critical infrastructure in a payments context, collaborating with cross-functional teams to drive reliability and compliance.Compensaciones / Beneficios* Design and implement infrastructure solutions for new Internet Data Centers to meet scalability and performance needs* Investigate production cases to identify bottlenecks and improve system performance and reliability* Contribute to the evolution of a highly available payment architecture* Manage incident handling, drills, and on-call rotations to ensure fast resolution of production issues* Develop and execute data protection plans complying with industry standards and ensuring data securityResponsabilidades* Solid knowledge of Computer Science and Payment System principles, with familiarity in Unix/Linux, storage, and networking* Proficient in Java with SpringBoot / SofaBoot microservices, and familiarity with Ant International's middleware* Strong problem-solving capability, good communication, and a sense of ownershipRequisitos principales*


## Related Videos

- [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock)
- [Developer’s Perspective: Overview of the Tezos Blockchain Ecosystem](https://www.wearedevelopers.com/videos/237-developer-s-perspective-overview-of-the-tezos-blockchain-ecosystem)
- [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture)
- [Full-stack role-based authorization in 45 minutes](https://www.wearedevelopers.com/videos/312-full-stack-role-based-authorization-in-45-minutes)
- [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready)
- [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)

## Related Articles

- [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)
- [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)
- [The Ultimate Software Engineer Career Path Guide for 2023](https://www.wearedevelopers.com/magazine/146-the-ultimate-software-engineer-career-path-guide-for-2023)
- [How Much Does a Software Engineer Make? Realistic Software Engineering Salaries](https://www.wearedevelopers.com/magazine/425-how-much-does-a-software-engineer-make-realistic-software-engineering-salaries)