Become Implementation Specialist (m/f/d) – EDI at Retarus.

Retarus is a worldwide provider of cloud-based messaging solutions at enterprise scale. We serve over 40% of the companies listed on the S&P Global 100, e.g. Adidas, Bayer, SAP, BNP Paribas, Goldman Sachs, T-Systems, Swarovski & UPS, as well as governmental agencies and major players in markets across the world. Privately owned and founder-managed for over thirty years, Retarus is customer-oriented, stable, a fair employer, and a strategic business partner with a long-term vision. With some 500 employees in 19 offices on four continents, Retarus operates locally and thinks globally: our teams are organized across borders and are highly integrated. This makes Retarus a multicultural, multilingual, and engaging workplace. We are committed to creating a diverse and dynamic environment for our employees, with generous compensation, time off, and a global, collaborative workplace.

What we offer

• Mobile working and flexible working time
• Collaborative, diverse company culture and superior team spirit
• Flat hierarchies and great feedback culture
• Development opportunities & career perspective
• International business & cross-site collaboration
• Modern, dog-friendly offices with nice amenities
• Company-paid health insurance, public transportation, lunch vouchers and further benefits

What you'll do

• 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

What you'll need

• 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

What you can expect

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.

Apply via our online application portal – it’s easy and doesn’t take long. Our colleague Alissa Selman is happy to field any questions you may have: Alissa.Selman@retarus.de

We’re looking forward to getting to know you!