Julia Trefas
Front-End Developer Expertise For AI Training (Danish Language) at Outlier
Copenhagen, Capital Region of Denmark
Summary
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Senior🎓
Top SchoolJulia Trefas is a front-end developer with eight years of hands-on experience crafting responsive, high-performance web applications using Vue.js, React and modern CSS. She blends user-focused UI implementation with scalable architecture and a strong track record in accessibility, performance and reusable component design across fintech, digital health and B2B SaaS. Currently she applies her front-end expertise to evaluate and curate AI training tasks and AI-generated interfaces, ensuring outputs meet real-world usability and code quality standards for Danish language models. Trained in Agile & Scrum project management (2025), she comfortably moves between individual contributor work and coordinating cross-functional delivery. Based in Copenhagen, she pairs a background in visual design and UX with practical engineering skills—an unusual combination that helps her spot subtle usability gaps that others miss.
8 years of coding experience
6 years of employment as a software developer
Academy Profession's Degree Mode-/tøjdesign, Academy Profession's Degree Mode-/tøjdesign at Erhvervsakademi SydVest (Business Academy South West)C1 Advanced Conversation for Fluency English Language, C1 Advanced Conversation for Fluency English Language at StudieskolenBachelor's degree Web Development, Bachelor's degree Web Development at EK - Erhvervsakademi København
English, Danish, HungarianProgramming languages (2)
Github contributions (5)
codeDragon491/UI-Engineer-Coding-Exercise
Nov 2020 - Oct 2022
Contributions:1 PR, 33 pushes, 4 branches in 1 year 10 months
codeDragon491/frontend-interview-project
Aug 2020 - Aug 2022
Contributions:59 pushes, 11 branches in 2 years 1 month
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