Jeff Jonasson
IT Consultant at PostNord
Stockholm, Sweden
Summary
👤
Senior🎓
Top SchoolJeff Jonasson is an experienced IT consultant and full-stack web developer based in Stockholm with 11 years of hands-on experience building production-grade applications for clients like Klarna, Tele2, ICA Gruppen and PostNord. He specializes in JavaScript ecosystems—React, Redux, Node.js and Vue—backed by practical database experience with MongoDB and PostgreSQL, and a preference for agile, cross-functional teams with short feedback loops. A lifelong tinkerer who built his first PC at six, Jeff combines deep coding craft with pragmatic product focus, having delivered everything from B2B onboarding sites to an MVP membership platform and a pro-bono room-booking app integrated with Outlook for MSF. Comfortable as both individual contributor and lead developer, he thrives on learning new technologies and turning ambiguous requirements into maintainable, user-focused solutions.
11 years of coding experience
6 years of employment as a software developer
Civilingenjör IT, Civilingenjör IT at Uppsala University
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (8)
sha10
vuesax6
opencl6
vuejs26
aws6
componets5
javascript4
vue4
Programming languages (4)
Github contributions (5)
dowenberghmark/FPGA-SHA256
Nov 2017 - Dec 2017
Acceleration of SHA256 on the AWS F1 instance using OpenCL.
Contributions:133 commits, 5 PRs, 130 pushes in 29 days
awsopenclsha
jeffjonasson/pokemon-battle-helper
Feb 2022 - Apr 2024
Contributions:28 pushes, 1 branch in 2 years 2 months
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