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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