SAP ABAP Developer building reliable enterprise apps.
I design and implement ABAP solutions, Web Dynpro UI, and optimizations across SAP S/4HANA landscapes.

Professional Summary
SAP ABAP Developer with hands-on experience in OOP ABAP, Web Dynpro, Smart Forms, and SAP Customizing, focused on efficient enterprise applications in S/4HANA environments. I bring a unique combination of technical expertise and business process understanding to deliver robust, scalable solutions.
What I Do
Enterprise ABAP
Design robust ABAP components, DDIC, and Web Dynpro UIs that scale
Customizing & Enhancements
Translate requirements to IMG changes, exits, BAdIs
Performance & Quality
Measure, profile, and optimize with SAT/ST05; test-first mindset
I care about clean architecture, testability, and measurable performance improvements. My approach combines deep SAP knowledge with modern development practices to deliver solutions that not only work but excel in enterprise environments.
Get In Touch
Location
Essen, Germany
Willing to relocate
okpanachivictor0@gmail.com
Phone
017634488087
Expertise & Technologies
A comprehensive skill set spanning SAP development, modern web technologies, and enterprise solution architecture
ABAP & SAP
SAP Process Areas
Frontend/General
Tooling/DevOps
I care about clean architecture, testability, and measurable performance improvements.
Featured Projects
A showcase of enterprise solutions and technical innovations that demonstrate my expertise in SAP development and modern technologies

Employee Leave Management System
End-to-end leave requests, approvals, tracking; modular ABAP & DDIC objects.

University Exam Management System
CRUD flows for students, exams, results with structured MVC architecture.

RF Tooling & Dashboards
APIs and visual dashboards for RF test automation; cut validation time by ~30%.
Professional Experience
A progressive career path showcasing growth from sales to specialized SAP development, with consistent delivery of measurable business impact
SAP ABAP Developer & Customizing
- Designed and implemented custom ABAP reports, module pool screens, and Smart Forms to support MM, SD, and HR processes, improving workflow efficiency across departments
- Developed reusable OOP ABAP classes and maintained Web Dynpro ABAP applications, including a leave request system integrated with SAP HR infotypes
- Performed SAP Customizing in IMG for document types, number ranges, and org elements; implemented enhancements using User Exits, Customer Exits, and BAdIs
- Utilized core SAP tools (SE11, SE80, SE93, SM30, SE37) for building Z-tables, function modules, and maintenance views; enhanced legacy code with SAT and ST05, reducing runtime by 30%
SAP ABAP Developer (Remote – Contract)
- Developed and deployed 10+ custom ABAP solutions (ALV reports, Smart Forms, BDC programs) in MM and FI modules, improving operational efficiency by 35%
- Designed reusable OOP ABAP components and supported SAP Customizing (document types, number ranges), reducing transaction errors by 20%
- Collaborated remotely in Agile sprints using JIRA and Microsoft Teams, ensuring 100% on-time delivery of tested and transported developments across SAP system landscapes
Hardware & Software Engineering – Working Student
- Designed and tested RF hardware prototypes using KiCad, contributing to two successful PCB releases for embedded IoT systems
- Developed Python-based tools and REST APIs to automate hardware testing, reducing validation time by 30%
- Built internal dashboards with JavaScript and Angular for RF data visualization and device configuration, improving team efficiency
Let's Build Something Reliable
Ready to discuss your SAP development needs or explore new opportunities? I'd love to hear from you and see how we can work together.
Contact Information
okpanachivictor0@gmail.com
Phone
017634488087
Location
Essen, Germany
Why Work With Me?
- Deep SAP ABAP expertise with proven track record
- Performance-focused development approach
- Strong communication and collaboration skills
- Commitment to clean, maintainable code
Send a Message
I typically respond within 24 hours. For urgent matters, feel free to call directly.