Mia Jang
AI Evaluation · Conversation Design · AI-Native Marketing

Prompt Engineer (Full-Time Contractor), Meta via TEKsystems · Vancouver, BC · Jun 2024 – Present

• Evaluate AI character conversations and AI-generated media against structured quality frameworks; authored 1,000+ training examples and run daily adversarial prompt tests.

• Since Apr 2026, create and evaluate AI-generated images and videos on a media team, after working on AI character conversation quality.

• Wrote 10+ qualitative reports that let engineering teams act on evaluation findings without a walkthrough.

• Take meeting notes in sessions with researchers, using internal AI tools to summarize recordings and edit example clips for the team.

• Collaborated on an AR karaoke project for Ray-Ban Meta Glasses, winning the Just Ship It Award at the Meta Fall Hackathon (Nov 2025).

Independent Creator · Jan 2022 – Present

• Launched @mia.coreanak, a Spanish-language channel on Korean culture, in Jan 2026 and grew it to 136K Instagram followers in under a year; 183K combined followers with @miatamong across Instagram and TikTok, with one series reaching 1.3M views.

• Built a scheduled Claude Cowork agent (prototyped in n8n) that develops my ideas, analyzes competitor creators, and emails a morning brief, replacing hours of research and enabling weekly uploads.

• Built an editing automation with Claude Code that turns a voice recording into a ready-to-edit video project, cutting my editing time from 4 hours to under 1 hour per video.

• Ran 2026 email outreach to 174 prospective partners via 208 first-pitch threads at an 18.3% reply rate; closed paid deals with Foodology, epais, and tage, which made a repeat offer.

Marketing Lead, Willis Lee Golf · Oct 2026 – Present

• Launched willisleegolf.com with bilingual local SEO and GEO landing pages as the only entry point to the business’s KakaoTalk and WhatsApp inquiry channels (7 inquiries, 2 enrollments in the first month), plus a scheduled Claude Code agent that emails weekly PostHog reports with prioritized fixes.

Prompt Engineer Intern, AI Product Team, Tutoring (Market Designers) · Aug – Sep 2023

• Designed a 5-stage AI English assessment with 1,000+ lexicon entries and 500+ grammatical structures.

• Cut newsletter content production time by 80% and costs by 90% by introducing AI image generation.

Product Manager Intern, Kakao Enterprise (B2B Tech) · Aug – Nov 2022

• Built training data and analyzed intent overlap for 4 AI chatbots and callbots delivered to B2B clients; models reached 95% intent-classification accuracy, the internal deployment threshold.

• Developed lexicons of real user expressions and age-specific speech patterns from crawled data, growing dictionaries and training sentences to 1,000+ entries.