Andreas Holstenson
Lead Architect at Level Four AB
Malmo, Skåne County, Sweden
Summary
🤩
Rockstar🎓
Top SchoolAndreas Holstenson is a Lead Architect and founder with 16 years of experience building scalable systems, search and knowledge platforms from Malmö, Sweden. He blends deep technical skills in information retrieval and backend engineering with applied psychology and knowledge management to solve complex, cross-disciplinary problems. As founder of Level Four AB he has driven research-heavy projects and text analytics for products like the Tinder knowledge platform, and in open source helped harden device integrations for Mi Home hardware by improving packet handling, tokens and error recovery. His career ranges from hands-on high-availability backend work at King to CTO and DevOps leadership at Elastycloud, demonstrating both operational ownership and strategic architecture. Colleagues rely on him for pragmatic problem solving that looks beyond technology to people and process, often finding subtle improvements that noticeably boost reliability and usability.
16 years of coding experience
8 years of employment as a software developer
Computer Science, Computer Science at The Faculty of Engineering at Lund University
English, Swedish
Stackoverflow
1,428reputation
178kreached
25answers
0questions
java
top-5%
Github Skills (13)
nodejs10
javascript10
java9
error-handling9
printwriter6
version-control6
sax6
file-writing6
reflection6
panels6
swing6
multithreading6
filewriter6
Programming languages (6)
Github contributions (5)
aholstenson/miio
Mar 2017 - May 2018
Control Mi Home devices, such as Mi Robot Vacuums, Mi Air Purifiers, Mi Smart Home Gateway (Aqara) and more
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 releases, 292 commits, 22 PRs in 1 year 2 months
Contributions summary:Andreas significantly contributed to stabilizing device interaction by implementing retries and handshakes for commands to devices. Their work involved modifying packet handling in `packet.js` to include token management and checksum validation for improved security and reliability. Furthermore, the user added support for new devices such as the Mi Smart Socket Plug, as well as implementing features like setting the port of the device. They also made improvements for error handling and handling of malformed packets.
aqaranode-redtuyagoogle-homemqtt
aholstenson/dumbfound
Feb 2018 - Apr 2019
Randomized testing for JavaScript and TypeScript
Contributions:57 commits, 22 pushes, 1 branch in 1 year 2 months
randomizedjesttestingjavascripttypescript
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