Armand Janssen
Technical Lead at Hyfen
Netherlands
Summary
👤
Senior🎓
Top SchoolArmand Janssen is a Lead Developer based in the Netherlands with 9 years of senior-level experience and over two decades of hands-on Java development. He blends system engineering and integration expertise—particularly Java, MuleSoft, and Node.js—with practical Domain-Driven Design applied to large retirement systems. Armand has led teams, acted as Scrum Master, and architected integrations for blockchain-enabled value transfer projects using Hyperledger Fabric and OpenAPI. His background spans enterprise platforms (WebSphere, Spring, Hibernate) to modern API-first and blockchain integrations, reflecting comfort across legacy and emerging stacks. Known for translating complex domain rules into reliable, auditable systems, he often bridges product, ops and development concerns in delivery-focused roles. Outside the obvious, he pairs deep protocol/integration knowledge with a pragmatic agile mindset that helps teams ship production-grade solutions.
9 years of coding experience
20 years of employment as a software developer
Bachelor, Bedrijfskunde met Informatica, Bachelor, Bedrijfskunde met Informatica at Zuyd University of Applied Sciences
Github Skills (26)
python10
plantuml10
testing10
iot10
postman10
raspberry-pi10
api-client9
javascript9
markdown9
asyncio9
internet-of-things9
mqtt9
ide9
automation9
graphql-client9
Programming languages (3)
Github contributions (5)
armand-janssen/openapi-transformer
May 2019 - Nov 2022
Transforms OpenAPI Schemas to other formats like MarkDown and PlantUML
Contributions:11 releases, 2 reviews, 119 commits in 3 years 6 months
markdownopenapiplantuml
armand-janssen/statuschecker
Mar 2021 - Dec 2022
A simple tool to check the status of your services
Contributions:4 releases, 4 PRs, 35 pushes in 1 year 9 months
status
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