Jan Karen Leoning
SAP Developer
30 Coleridge Square
Summary
SAP consultant based in London with 15+ years of experience in ABAP OO development for R/3 and HANA. Experienced in after-sales client support. Self-motivated and committed to providing high-quality and well-documented solutions.
Overview
17
17
years of professional experience
4
4
years of post-secondary education
2
2
Certificates
Work History
SAP Developer
Strada Global
London, England
03.2024 - Current
- Designed and developed APIs and ABAP OO backend solutions for HR products.
- Bug fixing and maintenance for current and legacy SAP HR-based products.
SAP Developer
CMS Distribution Ltd.
London, England
06.2021 - 02.2024
- Designed and developed APIs and ABAP OO backend solutions for new digital storefront.
- Designed and developed central solution for handling company branding on printed forms (invoices, receipts, etc).
- Delivered EDI and third-party connectivity solutions using SAP PI.
- Prep work for migration to S/4 HANA.
SAP Consultant
MAPInTech Consulting Ltd.
07.2017 - 03.2020
- Developed ABAP reports, BADIs, BAPIs, user exits, OData interfaces, SAPScripts, Smart Forms and LSMW data migration for High Fashion Garments for FI/CO. Designed and developed KPI dashboards using BusinessObjects Lumira Designer and Discovery.
- Developed ABAP reports and Smart Forms for MacDermid Hong Kong, Olympus, ASL Group Hong Kong, and 1823 Call Centre (Hong Kong Government).
Software Engineer
MultiBase Ltd.
11.2016 - 07.2017
- Developed OData interfaces for CLP Power's mobile app, API and website using ABAP, Netweaver Gateway, JavaScript and Apigee on site.
- Bug fixing and change requests for in-house shipping software in PHP and JavaScript.
- Prototyped marketplace mobile app for ZnapMatch Ltd. using Corona.
SAP Consultant
Alight Solutions (NGA Human Resources)
11.2007 - 02.2016
- Developed web-based HRIS euHReka Workspace using ABAP, SAP PI, Smart Forms and JavaScript. Integrated the app with learning tools like Books 24x7, SkillSoft, and third-party payroll providers. Designed and developed country-specific reports and payslips.
- Developed ABAP solutions for the Bureau of Internal Revenue (Philippine Government) and Integrated Micro-Electronics. Conducted end-user trainings.
- Mentored and conducted trainings for junior developers.
- Drafted in-house naming conventions and coding guidelines.
Education
Bachelor of Science - Computer Science
Polytechnic University of The Philippines
Metro Manila 06.2003 - 05.2007
Skills
SAP ABAP OO
Smart Forms/SAPScript
OData/API
SAP PI
SAP FI/CO
SAP SD/MM
SAP HR
SAP ABAP CDS Views
Certification
SAP Certified Development Associate - ABAP with SAP NetWeaver 7.50
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Timeline
SAP Developer
Strada Global
03.2024 - Current
SAP Certified Development Associate - SAP Integration Suite
02-2023
SAP Certified Development Associate - ABAP with SAP NetWeaver 7.50
10-2022
SAP Developer
CMS Distribution Ltd.
06.2021 - 02.2024
SAP Consultant
MAPInTech Consulting Ltd.
07.2017 - 03.2020
Software Engineer
MultiBase Ltd.
11.2016 - 07.2017
SAP Consultant
Alight Solutions (NGA Human Resources)
11.2007 - 02.2016
Bachelor of Science - Computer Science
Polytechnic University of The Philippines
06.2003 - 05.2007