About
I’m Thanos, working as an SAP ABAP developer in an S/4HANA environment, with hands-on experience in SAP EWM and a strong focus on SAP BTP Integration Suite (CPI).I deliver end-to-end SAP integration solutions from development and testing through cutover and hypercare. I design, build, and operate SAP CPI and ABAP integrations using RFC/BAPI (SM59), OData (REST) APIs via SAP Gateway,, XI proxy (SOAP) flows, and ALE/IDoc messaging (WE20/WE19 - ports, message types). I also implement file-based interfaces over SFTP/FTP, transforming and routing XML/JSON payloads to ensure reliable data exchange between S/4HANA and external systems and servers.My work spans Change Requests and incident management across S/4HANA and EWM processes, including EDI integrations with carriers/forwarders, in close collaboration with Application Managers, Global Process Owners, and stakeholders.
Experience
Sap Abap & Btp Integration Suite (Cpi) Developer
Zehnder Group International AG · Gränichen
Present
Responsibilities & Scope: • Lead development for Change Requests and support incident management for GPOs and Application Managers. • Delivered Embedded EWM enhancements, including RF Framework developments, PPF actions (OO logic for auto WT confirmation, label printing, and integration triggers), and custom BAdIs for packing, wave release, bin determination, and loading. • Developed and supported integrations using SAP CPI and ABAP, implementing RFC-based interfaces and OData APIs to enable reliable data exchange between S/4HANA and external systems. • Delivered multiple full-cycle programs (migration, upgrades, cloud transitions, interface modernisation), improving efficiency, quality, and cost. Selected Projects: • Migration to S/4HANA & hypercare: ~10% operational efficiency gain and up to 2% EBITDA margin improvement through reduced processing time and operational cost. • Migration to Embedded EWM: -25% IT cost (landscape elimination), -20% business errors (master data), >90% busi…
Technical Consultant (Abap Developer)
Deloitte · Thessaloniki
As a Technical Consultant at Deloitte, i rotated across multiple and diverse client projects and supported delivery from build through UAT and go-live. Delivered ABAP solutions across SD, MM, FI/CO processes. • ABAP developments using ABAP OO, classic ABAP, Function Modules and Open SQL • Data model work: creation/maintenance of custom database tables, views and related DDIC objects • Customization/extensibility: custom enhancements, User Exits, and BAdIs to adapt standard SAP behavior • Integration & APIs: BAPI consumption/implementation, plus IDoc/ALE interface troubleshooting (incl. PI/PO collaboration) • Forms & outputs: Smartforms and Adobe Forms • Upgrade/migration work: SPAU adjustments, testing and contribution to a SAP S/4HANA migration project
Teacher of Informatics
Iek Akmi · Thessaloniki
As a teacher of Informatics at AKMI i delivered structured lessons and had hands-on labs across core IT, programming, and security topics. • Taught Programming Languages: C, C++, Python, Java and Unix fundamentals • Delivered Operating Systems modules: Windows, DOS, Linux • Covered Software Security and Network Security principles and applied practices • Taught Theory of Algorithms, focusing on problem-solving, complexity basics, and structured thinking • Designed exercises, lab sessions, and assessments to build practical, job-ready skills
Education
Aristotle University of Thessaloniki (AUTH)
Master of Business Administration (M.B.A.)
Aristotle University of Thessaloniki (AUTH)
Bachelor’s Degree, Computer Science
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