Ralf Handl
Chief Development Architect at SAP
Rhein-Neckar Metropolitan Region Germany
Summary
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Rockstar🎓
Top SchoolRalf Handl is a Chief Development Architect at SAP with over 25 years of experience designing robust, extensible enterprise software and a 13-year tenure in senior roles focused on integration and architecture. He champions simplicity, agile practices, and test-driven development while driving SAP Graph and contributing to OData standardization at OASIS. His background spans financial services, CRM, dealer management, and price optimization, with deep expertise in OData, REST, and SOA. Ralf combines hands-on technical leadership with project-level delivery experience from major banks and insurance systems to large-scale SAP integrations. Trained in mathematics and holding a doctorate in computer science, he uniquely bridges rigorous academic thinking with pragmatic, production-ready architecture. Based in the Rhein-Neckar region of Germany, he is known for turning complex domain requirements into maintainable, standards-aligned solutions.
13 years of coding experience
8 years of employment as a software developer
Diplom Mathematics, Diplom Mathematics at Goethe University FrankfurtDr. rer. nat. Computer Science, Dr. rer. nat. Computer Science at Universität des Saarlandes
German, English
Stackoverflow
21reputation
339reached
1answer
0questions
Github Skills (122)
visual-studio-code-extension10
cap10
json-schema10
swagger10
sap10
cds10
oas10
abnf10
rest-api10
openapi10
openapi-documentation10
ietf10
javascript10
validation10
refer10
Programming languages (16)
Github contributions (5)
oasis-tcs/odata-abnf
May 2018 - Dec 2022
OASIS OData TC: Supporting an ABNF for OData URLs, headers, and literal data values
Contributions:87 reviews, 191 commits, 140 PRs in 4 years 7 months
abnfodata
ralfhandl/OpenAPI-Specification
May 2024 - Jun 2026
Fork of the OpenAPI Specification Repository
Contributions:91 PRs, 737 pushes, 536 branches in 2 years 1 month
openapi
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