Jan Jorissen
Senior Technical Support Engineer at Qlik
l'Hospitalet de Llobregat, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolJan Jorissen is a Senior Technical Support Engineer with 11 years’ experience specializing in enterprise-scale cloud and on-premise BI systems at Qlik, fluent in English, Dutch and Spanish. He diagnoses and resolves Tier 3 incidents across single-node, clustered and multi-cluster environments, combining deep log analysis, hardware/performance tuning and network/authentication troubleshooting with PostgreSQL and PowerShell expertise. As a named engineer in Qlik’s premium Signature team he guides strategic accounts from reactive support to proactive adoption, runs technical reviews, and represents customers in Quarterly Business Reviews. He mentors peers, drives escalations to resolution, and liaises closely with R&D on diagnostics and product fixes. Currently expanding into microservices, Docker, Kubernetes and multi-cloud patterns, he brings a pragmatic blend of customer-facing advisory skills and hands-on systems engineering that reduces churn for large enterprise customers.
11 years of coding experience
10 years of employment as a software developer
Business Economy and Strategic Management, Economics and Marketing, Postgraduate, Business Economy and Strategic Management, Economics and Marketing, Postgraduate at VLEKHO Business School BrusselBachelor's degree, Business Administration and Management, option: Marketing, Bachelor's degree, Business Administration and Management, option: Marketing at Provinciale Hogeschool Limburg
Spanish, French, Dutch, English, German
Github Skills (62)
wallet9
blockchain9
ethereum9
pug9
typescript8
cryptocurrency8
javascript8
redis7
docker-compose7
react5
refresh5
draft-js5
solidity5
biology5
koa4
Programming languages (3)
Github contributions (5)
Qaaj/b9labs-eth20
Jan 2018 - May 2019
Tasks for the B9 Labs ETH Certified Course
Contributions:6 PRs, 40 pushes, 7 branches in 1 year 4 months
ethereumweb3solidityethcertified
Qaaj/eth
Nov 2017 - Aug 2019
Private Ethereum Network with Pug/Koa dashboard for analysing Addresses/TX/Contracts
Contributions:39 commits, 9 PRs, 40 pushes in 1 year 9 months
redisethereum-networkethereumpugweb3
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