Stefan Drissen
Principal, Functional Design at Exact
Netherlands
Summary
👤
Senior🎓
Top SchoolStefan Drissen is a Principal Functional Designer with over 11 years of focused experience modernizing and architecting Exact Financials using Progress OpenEdge ABL, driving the product from legacy client/server to standardized n-tier web and AppServer architectures. He combines deep functional and technical design expertise in financial and database design with hands-on coding, ensuring systems are predictable, reliable and maintainable. At Exact he led long-running transformation efforts, standardizing business logic and upgrading core system layers while delivering web UI, REST and SOAP integrations. Known for treating code as an art form, he pairs meticulous engineering discipline with a practical eye for auditability and financial correctness rooted in his HEAO RA background and early audit experience. Outside work he keeps a tinkerer’s curiosity alive—still sharpening skills in Z80 assembly—reflecting a rare blend of legacy-system fluency and modern web integration.
11 years of coding experience
HEAO RA, HEAO RA at Avans Hogeschool Breda
English, Dutch
Stackoverflow
3,306reputation
65kreached
135answers
0questions
Github Skills (130)
libm10
zx-spectrum10
6800010
apple210
openedge10
sega-genesis10
music10
arcade10
graph10
c-compiler10
sdcc10
linker10
8-bit10
retrocomputing10
z8010
Programming languages (11)
Github contributions (5)
stefandrissen/lsl
Dec 2018 - Nov 2022
Contributions:27 commits, 21 pushes, 1 branch in 3 years 11 months
stefandrissen/SAM-MOD-player
Aug 2018 - Mar 2022
Contributions:10 releases, 159 commits, 126 pushes in 3 years 6 months
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