Sylvia Hao

MTI candidate in English Translation at Yanshan University with hands-on experience in AI audio (voice cloning, AI dubbing, speech-data QA), LLM workflow design, and prompt writing, gained across internships at education and technology companies. As a teaching-video creator, I work daily with tools like CapCut and have developed firsthand insights into user pain points in subtitling and editing. Skilled in competitor research, cross-functional collaboration with algorithm engineers, and data organization.

Seeking an AI Product internship to grow.

English Teaching & Research Intern (AI English Program) at Yuanfudao · Zebra AI (2026-03 – 2026-06)

• Used Minimax for voice cloning to batch-produce standardized course audio packs, keeping AI speaking interactions natural and smooth.
• Produced and published English teaching short videos end-to-end; coordinated bilingual subtitle creation and proofreading across the curriculum.
• Built hands-on user insights into editing tools: CapCut auto-captions break lines without semantic grouping and mishandle English capitalization/punctuation; tracked the fast-evolving AI editing-tool landscape.

English Teaching & Research Intern (AI English · FreeTalk App) at Hongen Wanmei (iHuman) (2025-09 – 2026-01)

• Built an LLM auto-question-generation workflow on the FreeTalk E-S-A pipeline; wrote prompts to keep output stable and monitored quality end-to-end.
• Ran multi-scenario beta tests to validate features and drive fixes; conducted competitor research on features, pricing, and takeaways.

AI Content Optimization Intern (Singapore Project) at Wulu Education (2024-09 – 2025-06)

• Restructured 500+ Q&A pairs in an LLM knowledge base for semantic logic and factual accuracy, improving user satisfaction with AI replies.
• Collaborated with algorithm engineers on analysis reports covering model knowledge gaps and logical errors.

Translation Intern at Chengdu TAL (Xueersi) (2025-04 – 2025-08)

• Independently translated WeChat articles, course decks, and contracts between Chinese and English (100,000+ characters).
• Used AI tools to dub and add English subtitles to 8 online courses, improving post-production efficiency by ~30%.

English Speech Annotation Intern at Hithink DOTS (2024-06 – 2024-09)

• Transcribed and corrected AI-processed English speech data (~2 hours of audio per day).
• Built a speech-annotation QA workflow, raising team accuracy from 92% to 98%+.

Content Review Intern at TAL Education Group (2024-12 – 2025-02)

• Reviewed and localized imported children's books (G1–G10), 200+ titles; led review for the "Point-and-Read Word" program and built a topic/genre tagging system.

Teaching Assistant at Yanshan University International College (2023-07 – 2023-09)

• Assisted foreign faculty with English teaching; designed and ran 4 tutoring workshops with a 100% class pass rate.

Master's Candidate, 3rd Year in English Translation & Interpreting (MTI) – Yanshan University (2024-09 – 2027-06)

Bachelor of Arts in Business English – Inner Mongolia University of Finance & Economics (2018-09 – 2022-06)