Jonas Öjerstam
System Developer at Jonas Öjerstam Consulting
Greater Stockholm Metropolitan Area Sweden
Summary
👤
Senior🎓
Top SchoolJonas Öjerstam is a system developer with 10+ years of experience designing and delivering integrations, custom applications and data-driven solutions for supply chain and manufacturing customers like AstraZeneca, LEGO, Siemens and Nestlé. He blends a strong analytical background (MSc in Biotechnology) with practical full‑stack skills—primarily Java/Spring, JavaScript/React and ASP.NET Core—building recipe management, batch tracking and advanced planning systems. As an independent consultant he architects coordinated data flows and algorithms that turn complex business rules into reliable, auditable production systems. Outside client projects he pursues hobbyist hardware and Python tinkering (Raspberry Pi, Arduinos), reflecting a hands‑on curiosity that often seeds pragmatic automation ideas. Colleagues rely on him for bridging domain expertise and clean technical design to deliver measurable operational improvements.
10 years of coding experience
Finance, Finance at Stockholm School of EconomicsMaster of Science - MS, Biotechnology, Master of Science - MS, Biotechnology at Uppsala University
Github Skills (45)
displays10
python10
mqtt10
internet-of-things10
garden10
asyncio10
iot10
automation10
privacy10
home-assistant10
raspberry-pi10
home-automation10
geckoboard8
stylus8
magicmirror7
Programming languages (4)
Github contributions (5)
Menturan/MMM-Namnsdag
Nov 2018 - Oct 2023
Magic Mirror module that displays Swedish name of the day.
Contributions:2 PRs, 15 pushes, 1 branch in 4 years 11 months
displaysmagicdayswedishmagicmirror2
Menturan/MMM-OpeningHours
Mar 2019 - Jan 2022
Magic Mirror module that displays places opening hours.
Contributions:32 commits, 3 PRs, 20 pushes in 2 years 10 months
opening-hoursmagicmagic-mirrordisplays
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.