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Senior SAP TM Developer Miejsce pracy: Warszawa Technologies we use Expected SAP TM SAP HANA SAP About the project We are looking for a highly experienced Senior SAP Transportation Management (TM) Developer to join a complex, enterprise-scale SAP S/4HANA program. The role requires deep technical expertise in SAP TM, strong ABAP OO skills, and proven experience delivering full-cycle implementations. You will act as a technical authority, contribute to architecture decisions, and mentor other developers while ensuring high-quality, scalable, and Clean Core–compliant solutions. Your responsibilities Lead SAP TM development activities across large-scale S/4HANA implementations Act as Senior Developer in at least two end-to-end SAP TM full-cycle projects Deliver robust and scalable solutions in S/4HANA TM (Embedded or Side-by-Side) Design and enhance SAP TM core frameworks, including: BOPF (Business Object Processing Framework): expert-level development of Nodes, Actions, Determinations, and Validations FBI (FPM BOPF Integration): advanced UI development using Floorplan Manager (FPM) and Wire Model POWL & BRF: configuration and enhancement of worklists and business rules Translate complex logistics processes (Air, Ocean, Intermodal) into efficient technical solutions Deep understanding of SAP TM data model and business objects such as Freight Units (FU), Freight Orders (FO), and Freight Bookings (FB) Implement custom logic for planning (VSR Optimizer) and Freight Cost Management (condition types, calculation bases) Develop complex logistics documents using Adobe Forms (IFbA) with dynamic layouts and multilingual support Design and optimize Post Processing Framework (PPF) actions for document output, EDI triggers, and alert notifications Design, develop, and troubleshoot complex SAP integrations Implement B2B interfaces using Enterprise Services (Proxies), OData services (Fiori), and IDoc/EDI Support cross-module integration between TM and EWM, GTS, and S/4HANA Core (SD/MM/FI) Perform performance tuning and optimization of ABAP code and SQL for high-volume transportation data Translate functional requirements into high-quality Technical Design Documents (TDDs) Define and own the technical architecture at object level Ensure all custom developments are scalable, maintainable, and compliant with SAP Clean Core principles Conduct code reviews and enforce development standards and best practices Act as Level 3 support for critical incidents using advanced debugging, trace, and performance analysis tools Mentor and support junior and mid-level developers Work effectively in an Agile delivery environment Use tools such as JIRA, Confluence, and SAP Solution Manager (SOLMAN) Ensure technical integrity and long-term stability of the SAP TM solution Enforce consistent use of ABAP Unit and ATC (ABAP Test Cockpit) to maintain high code quality Our requirements 6–8 years of hands-on SAP TM development experience Proven experience as Senior Developer in at least two full-cycle SAP TM implementations Strong expertise in SAP S/4HANA TM (Embedded or Side-by-Side) Advanced ABAP OO skills Strong analytical thinking, problem-solving, and communication skills Ability to work independently and as part of a global, cross-functional team This is how we organize our work This is how we work at the clients site SQUARE ONE RESOURCES sp. z o.o. At Square One Poland we link IT experts with the business. With over 25 years of experience, we specialize in recruitment processes on a global scale. Despite years of experience, we still have a startup DNA and this is our advantage. Our offices are located in London and Warsaw, however, we can reach clients from all over the world, from start-ups to big worldwide corporations.