> Markdown version of [/jobs/ext/3738846-application-solution-engineer-oracle-ebs-fusion-einvoicing-integrations](https://www.wearedevelopers.com/jobs/ext/3738846-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). --- # 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:** October 15, 2026 - **Apply:** https://www.adzuna.es/details/5928343578 ## 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