Pragmatic Seniority
My focus is on what actually matters: writing high-quality, reliable, and maintainable Java code. I work comfortably within existing architectural guidelines to deliver pragmatic features on time.
Independent software development · The Netherlands
Thoughtful code.
Lasting impact.
Senior Java development by Ronny Chan.
Over 20 years of hands-on experience building, maintaining, and scaling enterprise backend applications and RESTful web services in complex, high-stakes environments.
Previously Worked ForAcross industries. Built on experience.
AyvensFleet & Mobility
RIVMPublic Health
KVKNetherlands Chamber of Commerce
RabobankFinancial Services
ANWBConsumer Services
Agentschap BPRNational GBA-V Systems
01 / The approach
Complex systems.
Clear thinking.
Proven Track Record
Experience across public institutions, logistics platforms, and financial services, with an emphasis on the stability, precision, and continuity of critical software.
02 / Behind Allisvrai
Ronny Chan.
Software developer. Company founder.
My name is Ronny Chan, software developer and founder of Allisvrai B.V. I hold a Bachelor of ICT degree from The Hague University of Applied Sciences.
Colleagues and managers know me as a reliable, loyal, and structured developer who brings calm and a solution-focused mindset to agile teams.
More about my experienceLet’s connect
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