Aleksi Häkli
Software Architect at Reaktor
Helsinki, Finland
Summary
🤩
Rockstar🎓
Top SchoolAleksi Häkli is a software architect based in Helsinki with 13 years of experience building and modernizing backend systems and developer tooling. He combines hands-on engineering with a customer-focused mindset, having progressed from software engineer to senior roles and now architecture at Reaktor. Aleksi is an active open-source contributor in the Django ecosystem, improving security and reliability in well-known projects like django-axes, django-defender and sorl-thumbnail while often focusing on documentation, CI/CD and cross-platform robustness. His work shows a penchant for maintainability—refactoring deprecated code, enhancing tests, and upgrading build pipelines to support modern Python and Django versions. He brings practical DevOps sensibilities to backend work, having implemented health checks, S3 storage checkers and CI automations. Outside the obvious titles, Aleksi’s contributions reveal a quieter strength: making projects easier to use and sustain for other developers.
12 years of coding experience
10 years of employment as a software developer
Master of Science (Technology) - MSc (Tech), Master of Science (Technology) - MSc (Tech) at Tampere University of Technology
Swedish, German, English, Finnish
Stackoverflow
1,441reputation
82kreached
15answers
0questions
rest
top-5%
python
top-5%
django
top-5%
django-rest-framework
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json
top-5%
Github Skills (34)
ip-address10
github-ci10
maintenance10
restructuredtext10
pytest10
project-management10
python10
back-end-development10
sphinx10
django10
testing10
ip10
cicd10
read-me10
githubaction-workflow10
Programming languages (8)
Github contributions (5)
jazzband/django-axes
Nov 2016 - Nov 2022
Keep track of failed login attempts in Django-powered sites.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:111 releases, 71 reviews, 492 commits in 6 years 1 month
Contributions summary:Aleksi primarily contributed to the backend of the Django-axes project, focusing on improvements related to IP address parsing and handling. Their work included fixing bugs and adding tests for both IPv4 and IPv6 address formats. They also worked on improvements to the proxy settings within the Django application.
pythonkeepdjango-frameworkfaileddjango
jazzband/django-embed-video
Jul 2019 - Dec 2022
Django app for easy embedding YouTube and Vimeo videos and music from SoundCloud.
Role in this project:Back-end Developer
Back-end DeveloperContributions:18 releases, 8 reviews, 37 commits in 3 years 5 months
Contributions summary:Aleksi primarily contributed to the Django-based backend of the project, cleaning up deprecated code and adding support for newer versions of Python and Django. They implemented features such as lazy loading for video embeds and refined the project's CI/CD pipeline. Furthermore, the user addressed bug fixes, enhanced documentation, and maintained the project's dependencies, contributing to its overall stability and maintainability.
pythondjangovideossoundcloudyoutube
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