Janne Antikainen
Application Specialist
Vantaa, Finland
Summary
👤
Senior🎓
Top SchoolJanne Antikainen is an application specialist and computer science master's candidate at the University of Helsinki with 11 years of professional experience in software and client-facing roles. At CGI he blends hands-on Java backend development with application support, having held both junior developer and specialist positions since 2017. He contributes to notable open-source projects such as OpenTripPlanner, where he implemented practical backend enhancements like horizontally moving elevator support and translation features. His background in sales and customer training gives him strong communication skills and a pragmatic focus on usability and deployment. Based in Vantaa, Finland, he actively maintains a GitHub presence, signaling ongoing curiosity and real-world coding practice alongside his studies. Colleagues can count on him for reliable backend logic improvements that consider both technical correctness and end-user needs.
11 years of coding experience
Matriculation Examination, Matriculation Examination at Lohjan Yhteislyseon lukioBachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at University of Helsinki
suomi, English
Github Skills (6)
opentripplanner10
javas10
java10
apidoc9
api9
testing8
Programming languages (8)
Github contributions (5)
opentripplanner/OpenTripPlanner
Jan 2022 - Oct 2022
An open source multi-modal trip planner
Role in this project:
Backend Developer
Backend DeveloperContributions:32 reviews, 54 commits, 5 PRs in 8 months
Contributions summary:Janne primarily contributed to the backend logic of the OpenTripPlanner project, focusing on enhancements to elevator functionality. They implemented support for horizontally moving elevators, including code modifications within the OpenStreetMapModule and related classes. The user also checked and implemented features related to bicycle tags, and added translations functionality. Additionally, they updated tests to accommodate these changes.
multi-sourcemulti-modaltrip-plannermodalplanner
HSLdevcom/management-api-user-fetcher
Jul 2023 - Jan 2025
Gets a list of users using selected product in Azure API Management
Contributions:1 release, 4 PRs, 5 pushes in 1 year 6 months
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