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Joni Savolainen

Available to hire

Currently working with training AI large language models (LLMs).

About

Currently working with training AI large language models (LLMs). 8 years of previous work experience as an English to Finnish translator, with projects including written documents, video scripts (voiceover, narration & dramatizations), and video subtitling, as well as proofreading and editing texts. Additional experience as voice actor, audiobook reader, and voiceover artist.

  • 8 years' experience
  • Joined June 2025

Languages

  • FinnishFluent
  • EnglishAdvanced
  • SwedishIntermediate
  • RussianBeginner
  • FrenchBeginner

Industry experience

  • Non-Profit Organization
  • Education
  • Computers & Electronics
  • Professional Services
  • Software & Internet

Work experience· 4 roles

AI/LLM Trainer · Self-employedJan 2025 – Jun 2024

Providing human feedback used for training AI models, including reviewing, rating, and editing model responses from Large Language Models using the RLHF method. Rating and reviewing the work of other annotators.

Translator, Team Coordinator · Jehovan todistajatOct 2017 – Feb 2019 · 1 yr 5 mos

Translated internal documents from English to Finnish, coordinated a team of about 10 part-time volunteers, and recruited and trained new volunteers.

Translator, Scheduler · Jehovan todistajatJan 2010 – Dec 2015 · 6 yrs

Translated publications and internal documents from English to Finnish, scheduled document translation and publishing in 7 languages to 4 countries, and provided computer support and training for other translators.

Software Developer, Trainee · MikrolinnaFeb 2007 – Apr 2008 · 1 yr 3 mos

Education

Bachelor of Science (Technology) · Aalto University, School of Electrical Engineering2008 – 2021
High School Diploma · Hämeenlinnan aikuislukio2004 – 2007

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