SAP ABAP & S/4HANA Developer | UI5/Fiori | Customizing Specialist
SAP ABAP Developer with expertise in S/4HANA development, ABAP OO, CDS Views, OData, and SAP UI5/Fiori applications. Delivering enterprise solutions that optimize processes, improve performance, and streamline business workflows.

Professional Summary
SAP ABAP Developer with comprehensive expertise in S/4HANA development, ABAP OO, Web Dynpro, CDS Views, OData services, and SAP UI5/Fiori applications. Strong foundation in SAP Customizing (IMG/SPRO), SAP UI5/Fiori, and end-to-end business processes (MM, SD, FI, PP). Proven track record delivering enterprise solutions that reduced processing time by 60%, improved system performance, and streamlined business workflows. Experienced in both academic and industrial environments with remote and on-site project exposure across Germany, UK, and Nigeria. Structured and methodical work approach with strong business administration understanding and service-oriented attitude.
What I Do
Enterprise ABAP
Design robust ABAP components, DDIC, Web Dynpro, and SAP UI5/Fiori 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
SAP ABAP
SAP S/4HANA
SAP UI5/Fiori
Tools
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

S/4HANA Material Master Migration
Led data migration for 50,000+ material records with 99.8% accuracy using LSMW and Migration Cockpit.

SAP Fiori Leave Management
Full-stack SAP UI5/Fiori app with OData V2, CRUD operations, and multi-level approvals for 200+ users.

SD Pricing BAdI Enhancement
Country-specific tax calculation rules for 3-country rollout, 50% pricing error reduction.

Custom ALV Purchase Order Analysis
Dynamic selection, interactive grid, drill-down for 10,000+ PO analysis; 20 hours/week saved.

University Exam Management System
CRUD flows for students, exams, results with structured MVC architecture and role-based access.

SAP UI5 Procurement Hub
Centralized procurement dashboard with purchase requisitions, PO creation, and vendor management via SAP UI5/Fiori.
Professional Experience
A progressive career path showcasing growth in SAP development, with consistent delivery of measurable business impact across Germany, UK, and Nigeria
Software Developer
SAP ABAP Developer & Customizing Specialist
Mandatory Internship & Working Student
SAP ABAP Developer
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.