Tiina Mannelin is a QA Engineer currently employed at Optomed Plc since March 2024, with a prior role as a QA Engineer at Basemark from June 2021 to August 2023. Mannelin gained initial experience as an intern at Critical Charm Oy in 2019 while completing a thesis, and also served as an IT helpdesk intern at the Municipality of Kirkkonummi in mid-2018. Mannelin holds a Bachelor's degree in Information Technology from Metropolia University of Applied Sciences, completed in 2020.