Jaco Koster
Information Technology Architect
Randstad, Netherlands
Summary
👤
SeniorJaco Koster is an Information Technology Architect with 11 years of experience helping organizations untangle messy systems and deliver cloud-native solutions. As founder of A-Lead he has guided large-scale AWS migrations—most notably moving ~290,000 IoT devices for Eneco’s Toon platform—while driving cost reductions and tighter integration with product and security teams. He combines hands-on cloud infrastructure expertise with pragmatic consultancy skills, stepping into ambiguous environments to create clear, maintainable architectures. Based in the Randstad, Netherlands, Jaco’s work blends technical leadership with operational sensibility, and he frequently partners with security teams to translate controls into implementable designs. An entrepreneur at heart, he leverages a broad consulting background to adapt best practices across diverse technology stacks and organizational cultures.
11 years of coding experience
English, Dutch, ecmascript
Stackoverflow
497reputation
25kreached
18answers
1question
Github Skills (63)
ietf10
web-token10
nmea10
jsonwebtoken10
hikvision10
ais10
signal9
marine9
broker9
json9
barrage9
nodejs9
oauth9
api8
angularjs8
Programming languages (5)
Github contributions (5)
quby-io/ToonDemoApplication
Jan 2016 - May 2017
Example application for working with the Toon API
Contributions:9 commits, 4 PRs, 7 pushes in 1 year 4 months
toonapinodejs
JacoKoster/signalk-server
Jun 2023 - Feb 2024
An implementation of a Signal K central server for boats.
Contributions:27 pushes, 20 branches in 7 months
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