> Markdown version of [/jobs/ext/317220-senior-application-solution-engineer-oracle-ebs-fusion-einvoicing-integrations](https://www.wearedevelopers.com/jobs/ext/317220-senior-application-solution-engineer-oracle-ebs-fusion-einvoicing-integrations). 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 Application Solution Engineer - Oracle EBS / Fusion (eInvoicing & Integrations)

- **Company:** SGS
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Authentication Protocols, JSON, Oracle Fusion Middleware, Systems Integration, Web Services, Extensible Markup Language (XML), Oracle Ebusiness, Restful APIs, Oracle Integration
- **Published:** June 20, 2026
- **Apply:** https://opcionempleo.com/jobad/esadbfa924aff9ceab16037d2aa97a7c2d

## About the Role

* Strong experience with Oracle EBS R12.2 and/or Oracle Fusion Financials
 * Proven track record in integration-heavy environments
 * Experience in eInvoicing, tax reporting, or regulated systems
 * Solid understanding of Finance processes (AP/AR)
 * Techno-functional mindset with ability to bridge business and IT

Core Skills

 * APIs, REST services, Oracle Integration Gateway / ORDS / Fusion APIs
 * Integration patterns: JSON/XML, API & file-based exchanges
 * Secure integrations (certificates, authentication protocols)
 * Integration with government, tax, banking, and procurement platforms
 * Exposure to real-time invoice processing, clearance, and reporting flows

## Description

We are looking for a Senior Application Solution Engineer (ASE) to design and deliver integration-centric solutions across Oracle E-Business Suite R12.2 and Oracle Fusion Financials, with a strong focus on eInvoicing and regulated reporting environments.
This role sits within Global IT and acts as a techno-functional expert, driving end-to-end solution design, ensuring scalable integrations, and aligning global finance platforms with statutory and business requirements., * Lead end-to-end solution design across Oracle EBS and Fusion Financials

 * Design and review integrations, APIs, and web services (REST)
 * Drive integrations with tax authorities, eInvoicing platforms, banks, and external providers
 * Support implementation of eInvoicing / eReporting / clearance models (CTC)
 * Define integration patterns (real-time & batch, API & file-based)
 * Ensure compliance with architecture, security, and performance standards
 * Perform impact analysis for regulatory changes
 * Govern delivery across internal teams and external vendors


## Related Videos

- [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json)
- [Developer Time Is Valuable - Use the Right Tools - Kilian Valkhof](https://www.wearedevelopers.com/videos/1792-developer-time-is-valuable-use-the-right-tools-kilian-valkhof)
- [Rest API Antipatterns](https://www.wearedevelopers.com/videos/100208-rest-api-antipatterns)
- [Why make use of an integration platform in today's software developments and infrastructure?](https://www.wearedevelopers.com/videos/758-why-make-use-of-an-integration-platform-in-today-s-software-developments-and-infrastructure)
- [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure)
- [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)

## Related Articles

- [Spanish Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/353-spanish-business-culture-and-etiquette)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)
- [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)
- [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)
- [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)