Gregers Rygg
Principal R&D Engineer at Gregers AS
Oslo, Norway
Summary
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Rockstar🎓
Top SchoolGregers Rygg is a Principal R&D Engineer based in Oslo with 15 years of software engineering experience and deep expertise in cellular IoT, embedded systems, and front-end development. He has hands-on experience across the full IoT stack—from PCB design and firmware on nRF52/nRF91 and u-blox modules, to gateway, backend and frontend systems—gained at Telenor and through his freelance consultancy, Gregers AS. At Nordic Semiconductor he progressed into senior technical leadership roles, contributing to the nRF Connect SDK (notably documentation, modem trace improvements and LwM2M GNSS fixes) while continuing to bridge hardware and software concerns. He pairs a lifelong hobbyist electronics skillset and a fully equipped prototyping bench with production-grade software practices, enabling rapid end-to-end prototypes that preempt customer problems. An early contributor to OpenLayers and an organizer of frontend meetups and conferences, he brings both practical developer ergonomics and community-driven knowledge sharing to product teams.
15 years of coding experience
20 years of employment as a software developer
Bachelor of Science (BS) Computer Engineering, Bachelor of Science (BS) Computer Engineering at The Norwegian School of Information Technology
Stackoverflow
12,750reputation
2.3mreached
60answers
3questions
security
top-5%
google-chrome
top-1%
jquery
top-5%
scroll
top-5%
jsonp
top-5%
javascript
top-5%
Github Skills (40)
uart10
javascript10
zephyr-rtos10
user-interface10
c-programming10
iot10
google-chrome10
sys10
openlayers10
maps10
embedded10
nodejs10
web-development10
serial-communication10
nrf-connect-sdk10
Programming languages (13)
Github contributions (5)
nrfconnect/sdk-nrf
Sep 2021 - Dec 2022
nRF Connect SDK main repository
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:418 reviews, 18 commits, 53 PRs in 1 year 3 months
Contributions summary:Gregers primarily contributed to the documentation and testing of the nRF Connect SDK for the nRF91 series, addressing various issues and adding features. They updated documentation for AWS IoT and secure bootloader, as well as fixed issues related to the LwM2M GNSS module. They also improved the modem trace functionality, including adding shell commands, improving the flash backend, and addressing trace stopping issues. They also made improvements to connectivity bridge, ensuring the correct use of UART drivers.
connect-sdknrf-connect-sdkinfinibandlteppp
openlayers/ol2
May 2012 - Feb 2013
OpenLayers v2 - deprecated!
Role in this project:Front-end Developer
Front-end DeveloperContributions:49 commits in 8 months
Contributions summary:Gregers primarily focused on enhancing the user experience and functionality within the OpenLayers v2 library. Their contributions include modifying the mouse wheel control to support fractional zoom levels, making mouse wheel adjustments configurable, and normalizing the event.wheelDelta for Safari. Additionally, they worked on detecting vendor prefixes for DOM properties and CSS, and they updated the pinch zoom control to function correctly in a wider range of browsers. They made modifications to the handling of touch events.
javascriptopenlayers
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