Lauri Virtanen
Senior Software Developer at 61N
Tampere, Mainland Finland
Summary
🤩
Rockstar🎓
Top SchoolLauri Virtanen is a Senior Software Developer based in Tampere, Finland with six years of professional experience building backend systems, full-stack web applications and DevOps solutions across industrial, public sector and telecommunications domains. He combines practical product delivery at companies like Vincit and Valmet with low-level database engineering—contributing to the Limbo project to modernize SQLite by improving BLOB/TEXT handling and adding scalar functions. Comfortable across C#, Python, SQL and cloud/CI tooling, he has a background in process automation platforms and IoT integrations as well as hands-on DevOps. Lauri’s academic grounding in pervasive systems and signal processing informs a pragmatic approach to systems design and performance. He’s equally at home tuning database internals as shipping user-facing features, which makes him effective at bridging application and infrastructure concerns.
6 years of coding experience
9 years of employment as a software developer
Master’s Degree Pervasive Systems and Signal Processing, Master’s Degree Pervasive Systems and Signal Processing at Tampere University of Technology 1965-2018Matriculation examination, Matriculation examination at Lempäälän lukioExchange studies Information Technology, Exchange studies Information Technology at Uppsala University
Chinese, Swedish, Finnish, English
Github Skills (8)
databases10
better-sqlite310
rust10
sqlite10
embedded-database10
sql10
database10
webassembly7
Programming languages (8)
Github contributions (5)
tursodatabase/limbo
Jul 2024 - Dec 2024
Limbo is a project to build the modern evolution of SQLite.
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:14 reviews, 15 PRs, 21 comments in 5 months
Contributions summary:Lauri primarily contributed to the core functionality of the `limbo` project, focusing on the modern evolution of SQLite. They fixed issues related to serial type decoding for BLOB and TEXT data types, improving the database's data handling. The user also added new scalar functions, including `typeof`, `zeroblob`, `unhex`, `randomblob`, and `instr`, significantly enhancing the database's capabilities and features. Furthermore, they improved BLOB support in the command-line interface and made various adjustments to the code.
databaseembedded-databasesqlsqlite3webassembly
travenin/ping-csv-js
Apr 2020 - Jan 2025
A Node.js utility script to periodically ping a host and log measured time to a CSV file
Contributions:1 PR, 4 pushes, 3 branches in 4 years 9 months
csvhostnode-jsnodejsping
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