All For One Group SE
• Atlas Copco Smartparts project – integration implementation and ABAP development
• Hagos Germany Go-Live project – SD/MM implementation and ABAP development
• Atlas Copco Germany Sales Force integration project – implementation and ABAP development
• Leuze TR and Germany B2B integration project – implementation and ABAP development
• Schmitz-Werke Go-Live CRM project – CDS view extensions, PP/MM module implementation and ABAP development
• Waldner SAP-FSM integration and implementation and ABAP development
• RF Framework and ITS Mobile Development
• SAP BTP Cloud Foundry & Kyma deployment
• Cloud-based development project (RAP, SM30)
• SAP custom code adaptation project
• SPDD and SPAU handling during system upgrades
• All for One internal solution support
• All for One customer ticket support
• Developed backend import services using Java Spring Boot for sales documents, parts documents, and technical illustrations for the aftermarket platform.
• Developed backend services using Java Spring Boot to import aftermarket orders, identify related assemblies, parts, and kits, and import BOM structures for the aftermarket platform.
• Developed backend services for the aftermarket platform’s ordering process using Java Spring Boot, enabling customers to select BOM components, add them to a shopping cart, and place orders, with SAP integration for sales order creation.
• Experienced with Java, Spring Boot, Spring Data JPA, Spring Security, Spring Boot Actuator, Hibernate, Maven, REST APIs, and SAP integration.
• Developed Node.js-based middleware services for Smartparts, Salesforce, CRM, B2B, and FSM projects, enabling system-to-system integration, data exchange, and business process orchestration between SAP and external applications.
Hepsiburada
• Retail pricing and discount integration between SAP and e-commerce platform
• White Label project – SAP implementation and ABAP development
• Credit card split payment – SAP implementation and ABAP development
• Bank credit payment integration with SAP
• Hepsiburada – full module ABAP development, customization and support
• Hepsiexpress – SD/MM/FI modules Go-Live, customization and ABAP development
• Hepsijet – SD/MM modules Go-Live, customization and ABAP development
• Web service integrations with other Hepsiburada products and teams
• Bank refund payment service integration
• ABAP Native SQL integration with Microsoft SQL Server (MSSQL)
• Big Data SAP integration (Hadoop, NiFi, Redis, MongoDB, RabbitMQ, Elasticsearch, Kibana, JMeter load testing)
• E-invoice & e-archive integration support
• SAPUI5 / Fiori development
• Node.js, C# .NET Core and Golang development
• Basic Frontend development with React and Angular
• Kubernetes and Docker deployment
• GitLab and Jenkins CI/CD pipeline development and maintenance
• Developed a Java Spring Boot backend service that consumed order events from the Checkout team via RabbitMQ Federation, stored them in MongoDB, and removed orders after successful processing in SAP, with REST APIs for SAP stock management.
• Developed backend services for B2B and drop-shipment processes, integrating retail price data from SAP through RabbitMQ Federation. Developed consumers to process pricing and discount events, call Listing team APIs to create list prices and discounts, and handle success and failure events to update transaction statuses using Node.js and MongoDB
• Developed SAP-integrated applications for Purchase Requisition creation and Purchase Order approval processes using Node.js APIs and PostgreSQL.
• Developed an SAP-integrated expense management application, including expense creation and approval workflows with Node.js APIs and PostgreSQL
Kibar Holding – Assan Information Technologies
• Assan Alüminyum – SAP S/4HANA Go-Live project: full module ABAP development and after Go-Live support
• Kibar Holding – S/4HANA E-invoice & E-archive, EBA workflow integration support
• SAP HANA ABAP development (CDS Views and AMDP procedures)
• SAPUI5 / Fiori development
• SmartForms development with Zebra barcode printing
• ABAP Native SQL integration with Microsoft SQL Server (MSSQL)
• Enterprise application backend development and API integration using Node.js
• Developed an internal employee management application using Node.js APIs and MySQL, supporting employee management, organizational hierarchy, and manager-employee relationships.
• Developed SAP-integrated applications for Purchase Requisition creation and Purchase Order approval processes using Node.js APIs and MySQL.
• Developed enterprise backend applications and RESTful APIs using Node.js and Express.js.
• Developed backend services using MongoDB and Mongoose for NoSQL data management.
• Developed backend applications using MySQL and implemented database access using Sequelize ORM.
• Developed server-side web applications using EJS, Bootstrap, and Node.js.
• Implemented Redis for caching and cache management.
• Implemented file upload functionality using Node.js and Multer.
• Developed asynchronous applications using callbacks and Promises.
• Implemented JWT-based authentication and authorization.
• Managed Node.js application deployment and processes using PM2.
• Performed unit and integration testing using Mocha.
Netlog Logistics Company
• Active role in testing and supporting SAP system enhancements
• SAP SD and MM issue resolution; in SD focusing on transportation process issues, and in MM supporting goods receipt, maintenance, and inventory-related issues
• Providing solutions for shipment, transportation, delivery, and customer-related errors transmitted via IDoc from the Ülker SAP system
• Supporting the Basis team by analyzing user authorization and warranty-related requests and reviewing current roles
• Resolving SD and FI issues based on accounting requirements
POLAR XP Company
• Developed backend components and RESTful APIs for the Transport Management System (TMS) using C# and ASP.NET MVC, with Entity Framework and MS SQL Server
• Developed SAP-integrated applications for Purchase Requisition creation and Purchase Order approval processes using C#, ASP.NET MVC, Entity Framework, and MS SQL Server
• C# / .NET Development and Support for the PolarXP TMS system, including logistics and transportation processes and SAP-TMS integration
• Supporting the TMS system
• Shaping user, warehouse, and transportation processes
• Resolving integration issues between SAP and TMS
• Achieving integration of SAP invoices based on TMS deliveries and analyzing related errors
