GREGORY NDUKWU

I am an SAP Developer with 11 years of experience.

Working with ABAP / PI developer since 2011, I start my work with sap 4.6c. Education: Master´s Computer Science By Maharishi International University, IOWA USA.

I Have knowledge in: Fiori Apps, Hana, CDS, ALV, REPORT, BATCH INPUT, MODULE POOL, FUNCTION, HR, SAP SCRIPT, QUERY, RFC, lSMW, BAPI, BADI, IDOC, ALVOO, OO DEVELOPMENT, INTERFACES. I work with Modules: FI/CO, SD, MM, QM, PP, HR, WM, LO, AI, and FI.

Experience in rollout projects, implementation projects, and Abap leader since 2017.
Huge experience in Performance e Tuning, this is the most interesting area for me.
I have worked in banking, chemistry, agribusiness, and textile.

I have experience with Data extraction and Data migration, using SAP, SQL Server, SQL Scripts and ETL.

I know some development languages like Java, Javascript, PL/SQL, and PHP, and knowledge of Oracle and Mysql Database. Development of technical specifications and estimates for plan development, review, and quality of programs development by factory Performance Analysis and tuning solutions to development programs.

PROFESSIONAL EXPERIENCE

Century Aluminum, Nashville TN, USA                                                          Mar 2023 – May 2023 (3 Month Project)

Senior Abap Developer / Extraction Data

• Create CD´S views to extract information from SAP and Insert SQL Server
• Creating Report on SQL server from this data 
• Create PI Interface, using JDBC to connect SAP system and SQL server.
• Create Abap program to extraction data from SAP and insert on SQL Server
• Create, query´s, procedures using t-script to manipulate data and information on SQL Server

Deere & Company, Moline IL, USA                                                                      06/2022 – Feb 2023

Senior Software Engineer (FI & SD teams)

• Develop SAP Programs using SAP Abap
• Implementation BADI, User Exit and enhancement points
• Creation and maintenance Function Bapis, RFC.
• Developing several programs like Module Pool and report ALV
• Creation and maintenance Billing forms using Adobe Forms
• Fixing issue on SAP PI
• Creation and maintenance IDOC
• Develop SAP using TDD. (Test Drive Development)
• Abap Unit Test implementation
• Work Sometimes as a SD consultant
• Creating CDS Views
• Creating and maintain OData
• Working Using Agile with Scrum frameworks
• Maintenance Calculation views on Hana side.

Environment: ABAP, ABAP OO, PI, JAVA, REACT, TDD, ABAP UNIT

Software One, São Paulo, Brazil                                                                           2021 – 2022

Role: Quality Assurance Abap Senior Developer

• Analyze codes from other SAP developers
• Creation of documentation on points to be changed in SAP programs
• Improve the performance of critical SAP programs, using good abap coding techniques

RIMINI STREET, São Paulo, Brazil                                                                         2020 - 2021

Role: Senior Software Engineer, ABAP / PI

IT consulting company serving companies in USA and globally. Developed apps for US clients such as NIBCO, Wells Fargo and John Deere.

• Developed SD, MM, and FI modules for key applications using ABAP language.
• Performed mapping and configuration using PI tools.
• Set up PI integration to send and receive files from customers. Created Java functions in XI. 
• Creation new abap programs
• Debugging standard programs, to find enhancement and user exist points do implement new functionality
• Fixing Smart forms and sap script forms
• Work under pression support

Environment: ABAP, ABAP OO, PI, XI, Java, IDOC, EDI

SONDA IT, São Paulo, Brazil                                                                                   2019 – 2020

Role: Senior Software Engineer, ABAP / Fiori Developer

IT consulting company serving US-based and other international companies. Served as senior Team Lead in implementing key modules for enterprise software used by key clients Goodyear, Lexmark, and Boehringer Ingelheim.

• Developed enterprise software using ABAP.
• Developed Fiori application using SAP web technologies including SAPUI5, OData, and Gateway
• Using VS Code and node js to code UI5 applications.

Environment: ABAP, ABAP OO, SAPUI5 (HTML, CSS, JavaScript)

BLEND IT, São Paulo, Brazil                                                                                    2019

Role: Senior Abap HCM Developer / SAP PI

IT consulting company serving key clients from Brazil and other countries worldwide. Led efforts to implement SAP HANA apps for UnitedHealth Group based in USA. 

• Developed communication interface between SAP HANA and other internal systems using SAP PI. 
• Created and developed CDS View using Eclipse. 
• Maintenance some HR programs. Working with Tcode (PPOME,PA30, PC00 and PRMO)
• Creating a portal using BSP to show (Time cluster of employees), help to control absence. 
• Developed programs for MM and WM modules using ABAP and ABAP OO.
• Developed programs for HCM Module special (PD Organization Management and PA module)

Environment: ABAP, ABAP OO, SAPUI5 (HTML, CSS, JavaScript), PI, HANA, CDS View

TATA CONSULTANCY SERVICES, São Paulo, Brazil                                           2017 – 2019

Clients(Birla, Bayer, Siemens)

IT consultancy serving diverse international clients. 

ABAP Team Leader                                                                                                      07/2017- 02/2019

Led Birla Carbon enterprise software development initiative in partnership with development team in India. 

• Performed development and programming using ABAP technologies. 
• Implementation Price SD 
• Implementation Invoice 4.0 in Brazil rules
• Implementation BADI se18, to add some features on Billing and Invoice
• Debugging standard programs to find place to put enhancement points or user exits.
• Trained and mentored junior team members.
• Developed pricing SD module for enterprise software.
• Implemented improvements to internal SAP system.

Environment: ABAP, ABAP OO, PI

Embraer Brazil (Airplane manufacture)

• Support SAP Abap projects
• Developing new SAP Programs
• Creating ALV Reposts and Module Pools Programs

SAP Migration Senior Developer                                                                                               01/2017 – 06/2017

Played key role in implementing rollout of custom SAP system to operations throughout 5 countries. 

• Developed and maintained software using ABAP.
• Create ETL and Data Wharehouse
• Used data migration tools to mine data and send to SAP.
• Used LSMW to transport information. 
• Working Data Migration from one landscape to 5 other countries 

Environment: ABAP, ABAP OO, PI, LSMW, Data Source (Migration Date)

FOCUS TEXTIL, São Paulo, Brazil                                                                           2015 - 2017 

Role: ABAP Developer / Abap HCM

IT consulting company. Developed and deployed MM and EWM modules to SAP using ABAP language.

• Used interfaces to facilitate communication between SAP and .NET systems. 
• Chosen to assist in developing key application using SAPUI5. Performed PI configurations; created RFCs. 
• Fixing Issue some old HCM programs. Focus on PD Organization Management Module
• Creating Enhancement point Some standard HR programs to implement new features.
• Working with transactions PA30 TO GET MASTER DATA FROM HR. And use this information to build new ALV reports to the business.
• Creating ALV report through Tcode PC00, and control the sellers commission 

Environment: ABAP, ABAP OO, PI, XI, Java, IDOC, EDI, RFC, SAPUI5

SOFTEK, São Paulo, Brazil                                                                                       2012 - 2015 

Clients( Abbot, GSK, Aspen, Gerdau)

Role: SAP Consultant

IT consulting company serving business clients. Supported key customers in enterprise development projects.

• Developed and maintained SD, MM, CO, FI, PP, and other SAP modules.

Environment: ABAP, ABAP OO, PI, XI

• In the AMS, I work and help to fix programs to more than 10 deterrents clients.
• Create ALV Reports
• Implementation enhancement points
• Creation and maintenance smart forms and sap scripts.

BRASIL CENTER, Juiz de Fora, Brazil                                                                     2011 - 2012

Role: Web Developer

Software development and consulting company. Developed portal and Intranet for client call center.

Used PHP and JSP to create an Intranet system. Used CSS, JavaScript, and HTML for web programming.

Environment: PHP, HTML, CSS, JavaScript, Delphi

Master´s Degree in Computer Science by Maharishi International University