Akseli Palén is a seasoned web developer based in Tampere, Finland with 13 years of experience building full-stack applications and practical open-source tooling. He combines hands-on web and backend work—examples include a minimal Django file-upload demo—with research-rooted expertise in touch, zoomable and graph UIs and applied machine learning from projects at the Infant Cognition Laboratory. As a machine learning specialist he developed calibration and correction algorithms for eye-tracking databases, blending experimental research needs with production-quality code. An active open-source contributor and QA-oriented engineer, he has improved reliability in projects like the widely used OpenMoji by creating targeted test suites and cleaning code. His profile mixes pragmatic solo consultancy experience running his own practice with a curiosity for human–computer interaction that informs elegant UI and data-driven solutions.
13 years of coding experience
1 year of employment as a software developer
Information Technology, Information Technology at Tampereen teknillinen korkeakoulu
Source code for an example app at http://stackoverflow.com/questions/5871730/need-a-minimal-django-file-upload-example
Role in this project:
Backend Developer
Contributions:31 commits, 8 PRs, 11 pushes in 7 years 10 months
Contributions summary:Akseli primarily worked on setting up and implementing a basic file upload example using Django. Their commits include the initial setup of the Django project, including settings, URLs, models, views, and templates for file handling. They created a form for file uploads, and implemented the functionality to store and display uploaded files. Further contributions included adjustments to settings and dependencies.
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Role in this project:
QA Engineer / Test Automation Engineer
Contributions:8 commits, 1 PR, 35 comments in 8 days
Contributions summary:Akseli's primary focus was on establishing a test suite for the `index.js` module within the OpenMoji project. They initiated the creation of a minimal test suite and refined it, ensuring the integrity of exported data, particularly focusing on file paths and color availability. Furthermore, the user demonstrated attention to code quality by removing an unused import and correcting code style. The contributions significantly improve the project's quality assurance and reliability.
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