Johan Wilfer
Chief Technology Officer at JT Technologies & Telecommunications AB
Gothenburg, Sweden
Summary
👤
Senior🎓
Top SchoolJohan Wilfer is a seasoned technology leader and CTO based in Gothenburg with 11 years of formal industry experience and an entrepreneurial tech background dating back to 2007. At Sirvoy he progressed from developer to Engineering Manager and now leads technology strategy and engineering for hospitality management software, blending hands-on development (PHP, Symfony, JS) with cloud and Linux infrastructure expertise (AWS, Docker, Proxmox, KVM). His cross-domain experience spans networking and telecom (MikroTik, OSPF/BGP/MPLS, SIP/WebRTC), enabling him to design resilient, secure systems that align with business goals. Johan is equally focused on mentoring teams and operational excellence, having run his own company JT Technologies while architecting network solutions at Teletek. Known for tackling complex, multidisciplinary problems, he combines pragmatic engineering with strategic vision to drive product impact.
11 years of coding experience
15 years of employment as a software developer
PRA020 Programmering I, PRA020 Programmering I at University WestThe Natural Science & Technology Programme, The Natural Science & Technology Programme at Nösnäsgymnasiet
Swedish, English
Stackoverflow
15reputation
6kreached
0answers
2questions
Github Skills (105)
dialog10
sweetalert10
toast10
zero-dependencies10
confirm10
popup10
html-to-image10
php10
subset10
html-to-pdf10
prompt9
soap-api9
currency9
angular9
currency-exchange-rates9
Programming languages (6)
Github contributions (5)
sirvoy/twig-bulma-form-theme-bundle
Nov 2022 - Jul 2026
A Twig Form Theme for Bulma 0.3.x for use with the Symfony 2.8 / 3.x framework
Contributions:1 review, 2 PRs, 7 pushes in 3 years 8 months
twigbulmaphpform-themesymfony
johanwilfer/siephp
Sep 2015 - Apr 2019
Library for export to the Swedish SIE-format. Currently only a subset of the specification is supported, like export to SIE4 (verification/transaction data).
Contributions:8 releases, 2 reviews, 10 commits in 3 years 7 months
exportspecificationsupportedswedishtransaction
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