Kerim A.

Kerim A.

SAP ABAP Developer

Turkey
Trusted member since 2025
10 years of experience

One of his most significant achievements was his contribution to the Adidas MDG S/4HANA project, where he expanded his expertise in cutting-edge technologies and collaborated with a diverse, remote team to deliver high-impact solutions.

Main expertise

SAP ABAPSAP ABAP10 years
SAPSAP10 years

Experience6

Mapa Group

Senior SAP Project Lead

Mapa Group
Jul 2025 · 8m

Lead SAP project implementation and delivery across multiple departments.

Manage project timelines, budgets, and deliverables to ensure successful outcomes.

Coordinate collaboration between functional and technical teams.

Oversee integration of SAP modules, including Finance (FI), Materials Management (MM), and Sales and Distribution (SD).

Work directly with business stakeholders to define requirements and align SAP solutions with company goals.

Monitor project risks and apply corrective actions to maintain smooth progress.

Ensure adherence to SAP best practices and maintain high-quality documentation.

Support user training, testing, and go-live activities to ensure seamless adoption.

Epam Systems

Senior Software Engineer

Epam Systems
Information Technology (IT) and Services
Jul 2022 - Jul 2024 · 2y
  • Developing and Customizing ABAP Solutions: Designed and implemented S/4 HANA ABAP solutions to meet client-specific requirements, ensuring seamless integration and optimal performance;

  • S/4 Core and MDG Development: Delivered development work for S/4 Core and S/4 Master Data Governance (MDG) for multinational clients, including projects for global sportswear brands;

  • Mentorship for Junior Team Members: Guided junior developers by providing training, feedback, and support to help them grow in their roles and contribute effectively to project

AgileAgile
ScrumScrum
REST APIREST API
SAP ABAPSAP ABAP
SAPSAP
SAP Master Data GovernanceSAP Master Data Governance
HUGO BOSS S/4 Hana Greenfield Project
adidas S/4 HANA / MDG GreenfieldProject
NTT Data Business Solutions

Expert ABAP Developer

NTT Data Business Solutions
Information Technology (IT) and Services
Oct 2021 - May 2022 · 7m
  • S/4 HANA ABAP Development: Developed and implemented ABAP solutions for customers of NTT Data AG Germany, ensuring alignment with their business requirements and technical standards;

  • Consultant Developer Role: Delivered high-quality solutions on S/4 HANA systems, meeting customer expectations through effective consulting and technical expertise;

  • Collaboration with Global Companies: Worked with globally recognized companies based in Germany, contributing to large-scale projects and ensuring seamless integration of S/4 HANA systems into their operations.

AgileAgile
ScrumScrum
SAP ABAPSAP ABAP
SAPSAP
Stabilo S/4 HANA Brownfield Project

Senior Software Developer

Borusan Caterpillar
Construction
Jul 2019 - Sep 2021 · 2y 2m
  • ERP System Development: Acted as the primary developer for ERP systems, delivering tailored projects to meet the specific needs of business teams;

  • Fiori/SAPUI5 Backend Development: Designed and developed robust backend applications for Fiori/SAPUI5, ensuring seamless functionality and user experience;

  • Technical Advisory Role: Provided guidance on emerging technologies such as HANA Enterprise Cloud and SAP Robotic Process Automation (RPA), enabling innovation and process optimization;

  • Change Management: Served as the Change Manager, utilizing SAP Solution Manager and ChaRM to oversee and implement system changes effectively and efficiently.

ScrumScrum
REST APIREST API
SAP ABAPSAP ABAP
SAPSAP
SAP Hybris e-Commerce Project
HANA Enterprise Cloud Rollout
Sovos

Senior Software Developer

Sovos
Information Technology (IT) and Services
May 2018 - Jul 2019 · 1y 2m
  • E-Transformation Implementation: Delivered Sovos-developed e-transformation solutions, including e-invoice, e-ledger, and e-archive, ensuring compliance with digital business requirements;

  • System Integration: Integrated various systems using diverse approaches such as web services, file integration, and EDI/IDOC, enabling seamless communication between platforms;

  • System Analysis and Implementation: Conducted in-depth analysis of system landscapes and project scopes, followed by the successful implementation of tailored solutions to meet organizational needs.

SAP ABAPSAP ABAP
SAPSAP
Accenture Italy e-Invoice Project
Apple Turkey e-Delivery Project

ABAP Developer

Protek Yazilim Danismanlik
Information Technology (IT) and Services
Apr 2015 - Aug 2017 · 2y 4m
  • ABAP Development and Reporting: Focused on developing ABAP reports and creating print forms using SmartForms, SAPscript, and Adobe Forms to meet business needs;

  • System Integrations: Worked on system integrations using web services, EDI, and implementing Business Add-Ins (BADIs) to extend and customize functionalities;

  • Fiori and SAPUI5 Applications: Designed and built applications with Fiori and SAPUI5, combining user-friendly interfaces with robust backend logic;

  • Object-Oriented ABAP Programming: Wrote ABAP code from both functional and object-oriented perspectives, ensuring scalable and maintainable solutions.

SAP ABAPSAP ABAP
SAPSAP
Amazon.de - Grundig Germany B2B Integration

Assessments

Engineering excellence

Alperen’s overall performance in a 90-minute live technical assessment ranks in the top 5% of vetted SAP ABAP Developers at Proxify.

Portfolio

Highlighted by Alperen

HUGO BOSS S/4 Hana Greenfield Project 1
Jan 2024 · Epam Systems
HUGO BOSS S/4 Hana Greenfield Project

•AFS and S/4 ABAP developments for one of the biggest fashion brands in the world •Integration between SAP and non-SAP systems (via IDoc, RFM etc. )

Duration4m

Other projects 7

adidas S/4 HANA / MDG GreenfieldProject
Stabilo S/4 HANA Brownfield Project
SAP Hybris e-Commerce Project
HANA Enterprise Cloud Rollout
Accenture Italy e-Invoice Project
+2

Education

Okan University
Okan University
Computer Engineering2010 - 2014

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