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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Implementation Specialist - EDI - **Company:** retarus GmbH - **Location:** Erfurt, Germany - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), ASC X12 Standards, Communications Protocols, UN Electronic Data Interchange for Administration Commerce and Transport, IDoc, Microsoft Dynamics, Oracle (Applications), SAP (Applications), Web Services, Extensible Markup Language (XML), File Transfer Protocol (FTP) - **Published:** June 11, 2026 - **Apply:** https://de.indeed.com/viewjob?jk=3b9625c9eced17fb ## About the Role Do you have experience in XML?, * Knowledge of EDI standards (EDIFACT, XML, ANSI X12, VDA) and communication protocols (X400, AS2, SFTP, OFTP2, HTTPS, Webservices, APIs) * Experience with E-Invoicing frameworks (Peppol, ZUGFeRD, XRechnung, FatturaPA or similar) * Knowledge of technical methodologies and frameworks * Familiarity with ERP/B2B integration (e.g., SAP IDoc, Oracle, Microsoft Dynamics) * Excellent English language skills, both written and spoken (C1 level or native), German is a plus * Strong analytical skills and structured, detail-oriented working style * High customer orientation and excellent communication skills * Ability to manage multiple projects and deadlines in parallel * Creative problem-solving and solution-focused mindset * Interest in staying up to date with emerging EDI standards, E-Invoicing regulations, and integration technologies * Self-motivated, able to work independently, and take ownership of assigned projects ## Description * Manage and implement customer projects for EDI, E-Invoicing, including design, configuration, testing, and onboarding of trading partners * Translate business requirements into technical specifications and coordinate solutions with internal teams (Product Management, Project Management, Infrastructure Services) * Configure and validate common EDI mappings and workflows (e.g., Order (ORDERS), Order Confirmation (ORDRSP), Delivery Schedule(DELFOR/DELJIT), Delivery * Notification (DESADV), Invoice (INVOIC) etc. using different EDI formats (EDIFACT, ANSI X.12, SAP IDoc, XML etc.) * Configure different communication protocols (AS2, OFTP2, FTP/SFTP, HTTPS etc.) * Support E-Invoicing onboarding in line with legal and market-specific standards (e.g., Peppol, FatturaPA, ZUGFeRD/XRechnung) * Ensure compliance with security and audit requirements (e.g., ISAE 3402, GDPR) * Perform end-to-end testing with customers and coordinate smooth handover to operations * Act as a key technical contact for customers during the implementation phase * Identify opportunities for service enhancement and process optimization, At Retarus, you will work on impactful and dynamic projects, with real opportunities to make a difference. Our customers are leaders across diverse industries, with constantly evolving needs and high expectations. You'll be working with cutting-edge technology and great creative leeway to meet customers' needs - and the projects you work on will be deployed globally. Working at Retarus, you will collaborate closely with convivial, culturally diverse teammates. You will grow professionally in a dynamic and exciting workplace and design impactful solutions in real time with top companies. Very important Come as you are. Retarus is committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or veteran status. ## Related Videos - [The Deichmann RPA journey: Step by step with low-code automation to success](https://www.wearedevelopers.com/videos/1566-the-deichmann-rpa-journey-step-by-step-with-low-code-automation-to-success) - [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) - [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) - [Rust Beyond Systems: Revolutionizing Web Development](https://www.wearedevelopers.com/videos/1111-rust-beyond-systems-revolutionizing-web-development) - [Containers in the cloud - State of the Art in 2022](https://www.wearedevelopers.com/videos/410-containers-in-the-cloud-state-of-the-art-in-2022) - [A guide for effective talent acquisition and sustainable integration of international employees](https://www.wearedevelopers.com/videos/1081-a-guide-for-effective-talent-acquisition-and-sustainable-integration-of-international-employees) ## Related Articles - [Jobs in Germany for Americans](https://www.wearedevelopers.com/magazine/423-jobs-in-germany-for-americans) - [Finding IT & Technology English-speaking Jobs in Germany ](https://www.wearedevelopers.com/magazine/446-finding-it-technology-english-speaking-jobs-in-germany) - [The Biggest German Tech Companies](https://www.wearedevelopers.com/magazine/424-the-biggest-german-tech-companies) - [Finding Jobs in Germany](https://www.wearedevelopers.com/magazine/375-finding-jobs-in-germany) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [Starter Kit For Job Applications For Developers](https://www.wearedevelopers.com/magazine/7-starter-kit-for-job-applications-for-developers)