> Markdown version of [/jobs/ext/2922747-senior-backend-engineer-php-java-payments-platform](https://www.wearedevelopers.com/jobs/ext/2922747-senior-backend-engineer-php-java-payments-platform). 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). --- # Senior Backend Engineer - Php/Java (Payments Platform) - **Company:** Payxpert - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Java (Programming Language), PHP (Programming Language), Backend, Kotlin - **Published:** September 15, 2026 - **Apply:** https://www.buscojobs.com.es/senior-backend-engineer-php-java-payments-platform-en-madrid-ID-371727468 ## About the Role Se valorará experiencia en entornos regulados y conocimiento de herramientas modernas de desarrollo. ## Description PayXpert, una empresa de pagos omnicanal, busca un Desarrollador Backend Senior para apoyar su gateway de pagos y servicios Secure Store en Tarragona.El candidato debe combinar PHP con Java/Kotlin, enfocándose en seguridad y fiabilidad de transacciones.Se valorará experiencia en entornos regulados y conocimiento de herramientas modernas de desarrollo.Se ofrece contrato indefinido, entorno internacional y crecimiento profesional.#J-*****-Ljbffr ## 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) - [Phel, a native Lisp for PHP](https://www.wearedevelopers.com/videos/791-phel-a-native-lisp-for-php) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [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) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Backend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/196-backend-developer-salary-in-germany-2023) - [Backend Developer Salary in Austria [2023]](https://www.wearedevelopers.com/magazine/226-backend-developer-salary-in-austria-2023)