Martin Koistinen
Principal Software Developer at Sisu Consulting, Ltd.
Raleigh, North Carolina, United States
Summary
🤩
Rockstar🎓
Top SchoolMartin Koistinen is a Principal Software Developer and founder with 15+ years of hands-on experience delivering Django/Python web platforms, blockchain-enabled solutions, and AI-driven products across startups and enterprises. He blends deep open-source stewardship—being a long-time core contributor to django CMS and multiple related packages—with product and delivery leadership roles that span architecture, security, and internationalization. Martin has built and led engineering teams, managed offshore delivery, and taken solutions through IPO-readiness while also designing and integrating Ethereum smart contracts for real-world products. Based in Raleigh, NC, he pairs formal training in mathematics, physics and AI/data science with practical expertise in risk management and sustainability, preferring projects that create measurable environmental or social impact. Less obvious: beyond code he’s created popular instructional content and community forums that helped grow adoption of django CMS, demonstrating an ongoing commitment to developer education and ecosystem health.
15 years of coding experience
24 years of employment as a software developer
Artificial Intelligence & Data Science, NCS Certified Data Scientist, Artificial Intelligence & Data Science, NCS Certified Data Scientist at North Carolina State UniversityMathematics, Physics, Mathematics, Physics at Austin College
Stackoverflow
7,764reputation
1.3mreached
149answers
22questions
css
top-5%
jquery
top-1%
django
top-5%
javascript
top-5%
Github Skills (26)
cms10
jquery10
python10
django10
django-cms10
ckeditor10
migration10
django-admin10
sorting10
javascript9
git9
css9
passportjs9
version-control9
html9
Programming languages (12)
Github contributions (5)
django-cms/cmsplugin-filer
Oct 2014 - Jul 2016
DEPRECATED, this project is no longer maintained, see README for more information.
Role in this project:
Backend Developer
Backend DeveloperContributions:29 commits, 20 PRs, 22 pushes in 1 year 9 months
Contributions summary:Martin primarily focused on updating and adapting the `cmsplugin-filer` project, specifically addressing migration strategies for Django 1.7 and later versions. Their contributions included modifying existing migration files, creating new migrations for features like attributes, and incorporating support for Django CMS. The changes involved adjustments to models, forms, templates, and plugin functionalities to align with updated dependencies and feature enhancements. The commits also included improvements to the project's documentation and dependency management.
djangopython3xadmin
django-cms/djangocms-text-ckeditor
Nov 2015 - May 2016
Text Plugin for django CMS using CKEditor 4
Role in this project:Back-end Developer
Back-end DeveloperContributions:26 commits, 5 PRs, 13 pushes in 6 months
Contributions summary:Martin primarily contributed to the back-end logic of the Django CMS text editor plugin, focusing on the integration with CKEditor. Their work included modifying plugin behavior, updating documentation, and addressing code deprecation warnings. They also bumped the package version and updated the changelog. The user further worked on HTML sanitization within form fields.
cmstinymcepythonckeditororigami
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