Olli Janatuinen
Founder at SD Worx Finland
Msida, Central Region, Malta
Summary
🤩
Rockstar🎓
Top SchoolOlli Janatuinen is a founder and cloud-focused architect with over a decade of hands-on experience designing secure, cost-effective SaaS and container-based solutions. He blends deep troubleshooting skills and systems-level thinking with practical DevOps leadership, having driven migration and automation efforts across Nutanix, Kubernetes, Docker Swarm and Azure DevOps. His open-source contributions to high-profile projects like Moby and SwarmKit include Windows named-pipe support, service scheduling improvements, and image garbage collection—work that reveals a knack for cross-platform interoperability often overlooked in cloud roles. Known for translating between cloud operations and development teams, he repeatedly architects solutions for problems others deem unsolvable. Based in Malta, he brings an operator’s rigor to architecture and tooling, emphasizing security and scalable infrastructure design.
10 years of coding experience
9 years of employment as a software developer
Specialist Qualification for Computer Mechanics, Specialist Qualification for Computer Mechanics at Turku Vocational InstituteElectrician, Electrician at Ylä-Savo Vocational College
Github Skills (20)
docker10
container10
apidoc10
windows10
dockers10
compose10
go10
api10
golang10
cli10
networking9
distributed-systems9
devops9
system-administration8
swarm8
Programming languages (23)
Github contributions (5)
moby/moby
Jul 2018 - Jul 2022
The Moby Project - a collaborative project for the container ecosystem to assemble container-based systems
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:60 reviews, 38 commits, 94 PRs in 4 years 1 month
Contributions summary:Olli contributed to the Moby project by implementing features related to Windows container support, including named pipe mounts and maximum replicas per node for services. They also addressed code logic issues in service update tests and implemented a garbage collector for image layers. Further contributions include disabling flaky tests on specific architectures, adding an alias for the hostname, and enabling integration tests for Windows CI.
containerscollaborative-projectgolangcontainer-ecosystemdocker
moby/swarmkit
Jul 2018 - Apr 2019
A toolkit for orchestrating distributed systems at any scale. It includes primitives for node discovery, raft-based consensus, task scheduling and more.
Role in this project:Back-end Developer
Back-end DeveloperContributions:2 reviews, 10 commits, 13 PRs in 9 months
Contributions summary:Olli primarily contributed to the backend aspects of the `moby/swarmkit` repository, focusing on supporting Windows named pipes and correcting default settings for Windows. Their work involved modifying the API, service configurations, and build processes to ensure proper functionality across different operating systems. They also addressed parsing issues related to named pipe parameters and incorporated support for new features like the `--replicas-max-per-node` switch, demonstrating an understanding of the project's core functionalities.
schedulingconsensuspaxosscalediscovery
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