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KU@kayounguser
Creative writer and technical expert specializing in AI and documentation.
South KoreaI am a passionate writer and technical expert with around 6 years of experience in creating impactful digital content, brand strategies, and technical documentation across diverse industries, including entertainment, healthcare, and e-commerce. My journey began with founding my own projects, where I honed my skills in SEO content creation and storytelling, ultimately leading to my current role as an AI Trainer and Prompt Engineer at Appen.
At Appen, I design and test multilingual prompts to enhance LLM performance, focusing on Korean and mathematics-related variations. My previous experience as a Technical Writer at Genoray allowed me to author user-centered documentation for complex medical devices, collaborating closely with engineers and product managers. I thrive in cross-functional environments and am committed to delivering high-quality content that meets user needs.
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Work history, roles, and key accomplishments
Appen
Dec 2024 - Present (11 months)
Designed and tested multilingual prompts to improve LLM performance, with a focus on Korean and mathematics-related variations. Trained AI systems by scripting emotionally nuanced drama dialogue.
Nyanyamu
May 2025 - Jun 2025 (1 month)
Created the full website for a startup, from initial planning to copywriting and final design. Developed product detail pages and user manuals based on branding plans and client requirements.
Genoray Co., Ltd.
May 2024 - Dec 2024 (7 months)
Authored technical documentation and illustrations for complex medical and industrial devices. Collaborated cross-functionally with engineers and product managers to deliver user-centered documentation.
Wonder Library
Jan 2023 - Dec 2023 (11 months)
Created story-driven IPs and collaborated on mobile content and in-game scenarios. Developed scenarios for picture books and Kickstarter games.
Cocoelec
Jan 2019 - Dec 2019 (11 months)
Optimized web content and SEO strategy to rank at the top of Naver, South Korea's largest search engine. Managed and ran a blog review program tailored to the target audience.
Degrees, certifications, and relevant coursework
Bachelor of Arts, English Literature
Completed a Bachelor of Arts degree with a focus on English Literature. Gained comprehensive knowledge in literary analysis, critical thinking, and advanced writing skills.
Software and tools used professionally
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