Osma Suominen
Information Systems Specialist
Helsinki, Mainland Finland
Summary
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Senior🎓
Top SchoolOsma Suominen is an Information Systems Specialist with 12 years of experience blending computer science, user interface design and Semantic Web technologies to open up bibliographic metadata at the National Library of Finland. He leads work on the Finto service for maintaining and publishing controlled vocabularies and ontologies, translating research-grade linked data ideas into national infrastructure. A former doctoral candidate who completed a PhD on semantic portals, Osma has deep hands-on experience in both academic research and production systems, including earlier work on semantic health portals and Plone-based web projects. He is an active contributor to the Apache Jena ecosystem, improving text search, caching and indexing reliability in a widely used Semantic Web Java framework—an indication of practical expertise in backend engineering and QA. Based in Helsinki, he also runs a small business and brings a multidisciplinary outlook informed by studies in computing, mathematics and Baltic culture.
12 years of coding experience
7 years of employment as a software developer
Kyrkslätts gymnasiumMSc, Computer Science, Mathematics, MSc, Computer Science, Mathematics at University of HelsinkiDoctor of Technology, Media Technology, Doctor of Technology, Media Technology at Aalto-yliopistoExchange student, Baltic Studies, Estonian language, Economics, History, Culture, Exchange student, Baltic Studies, Estonian language, Economics, History, Culture at University of Tartu
Finnish, Swedish, English, Estonian
Stackoverflow
31reputation
2kreached
3answers
2questions
Github Skills (15)
lucene10
javas10
rdf10
junit10
java10
jtest10
sparql9
ajax6
boost-python6
fuseki6
javascript6
vowpal-wabbit6
travis-ci6
python6
inheritance6
Programming languages (16)
Github contributions (5)
apache/jena
Dec 2015 - Jan 2020
Apache Jena, A free and open source Java framework for building Semantic Web and Linked Data applications.
Role in this project:
Back-end Developer & QA Engineer
Back-end Developer & QA EngineerContributions:49 commits, 21 PRs, 213 comments in 4 years 2 months
Contributions summary:Osma primarily contributed to the Apache Jena project by adding and modifying unit tests. These tests target specific issues (JENA-1093, JENA-1159) and performance improvements (JENA-999) within the text search functionality. The user also refactored and optimized existing text query code, including caching Lucene query results. Furthermore, the user demonstrated expertise in resolving indexing issues related to default graph indexes.
apache-jenaapachesparqlrdfjava
NatLibFi/Annif-client
Oct 2018 - Nov 2019
Python client library for accessing Annif REST API
Contributions:36 commits, 2 PRs, 18 pushes in 1 year 1 month
apipythonclient-librarypython-clientannif
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