Helmer Aaviksoo
Staff Engineer Platform Foundations
Tallinn, Harju County, Estonia
Summary
👤
Senior🎓
Top SchoolHelmer Aaviksoo is a Staff Engineer with 15 years of experience building resilient payments and platform systems, currently leading Platform Foundations at Bolt from Tallinn. He has progressed through senior technical and managerial roles across payments teams at Bolt, Takeaway.com, Microsoft/Skype and Playtech, combining hands-on engineering with platform-level architecture and team leadership. An active backend contributor to widely used Symfony components, his open-source work improved form handling, translation domains and type refinements—showing attention to developer ergonomics in core libraries. He co-founded and remains CXO at Mordor LLC, reflecting ongoing entrepreneurial drive alongside enterprise work. Helmer is pragmatic about perfection: he focuses on removing unnecessary complexity to deliver production-ready systems that scale. His background in IT from the University of Tartu underpins a career spent uniting payments domain expertise with maintainable, well-documented code.
15 years of coding experience
11 years of employment as a software developer
BSc Information Technology, BSc Information Technology at University of Tartu
Estonian, English
Stackoverflow
19reputation
12kreached
1answer
0questions
Github Skills (15)
component-development10
php10
symfony-component10
symfony-bundle10
symfony10
co10
symfony-ux10
refactor9
documentation9
refactoring9
testing8
twig7
whitespace6
git6
github6
Programming languages (5)
Github contributions (5)
symfony/form
Jun 2011 - Feb 2012
Allows to easily create, process and reuse HTML forms
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits in 7 months
Contributions summary:Helmer contributed to the Symfony Form component, primarily focusing on enhancing its functionality and fixing existing issues. Their work involved modifying the `RepeatedType`, `DateType`, `TimeType`, and `DateTimeType` classes to allow for more flexible options and address translation domain issues. They also introduced the `read_only` and `disabled` attributes to the `Form` and `FieldType` components. Furthermore, the user refactored the `ChoiceType` for improved code organization.
reacthtml-formssymfony-componentphpreuse
FriendsOfSymfony/FOSCommentBundle
Jul 2011 - Aug 2011
Threaded comments for Symfony
Role in this project:Back-end Developer
Back-end DeveloperContributions:9 commits in 24 days
Contributions summary:Helmer primarily focused on improving the documentation and updating the code base to reflect changes in the underlying framework. Their commits addressed issues related to mapping links, improved documentation clarity, and translation updates. They also updated code to use identifiers and fixed issues to reflect necessary changes. The user’s contributions were instrumental in refining the existing code base and ensuring it aligns with the current state of the project.
bundlephpsymfony-bundlethreadedsymfony
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.