Transcription & Speech Data Labeling Specialist (part time)

42dot is a mobility AI company committed to solving mobility challenges with software and AI. As the Global Software Center of Hyundai Motor Group, 42dot pioneers the future of mobility by advancing the development of software-defined vehicles. 

We develop safety-first, user-centric software-defined vehicle technologies that deliver the latest performance through continuous updates like smartphones. By advancing software and AI technology, 42dot envisions a world where everything is connected and moves autonomously through a self-managing urban transportation operating system.

About the Role
We are seeking a detail-oriented Transcription & Speech Data Labeling Specialist to support the development of high-quality speech recognition, synthetic speech production, and wake word detection systems. In this role, you will generate and review transcriptions, annotate wake words and speech boundaries, and ensure consistent, accurate labeling across large datasets. You'll collaborate closely with speech data scientists, linguists, and engineers to refine processes and improve tools that power our AI-driven mobility ecosystem.

Responsibilities

• Generate and review transcriptions with internal Automatic Speech Recognition (ASR) and transcription systems.

• Ensure transcription accuracy against acoustic speech recordings following internal quality standards.

• Classify utterances, speaker turns, and dialogue contexts.

• Ensure consistency and reliability in labeling across large datasets.

• Identify and annotate target wake word(s) within audio files, marking precise boundaries with high temporal accuracy.

• Identify and annotate precise word and phrase boundaries in the acoustic speech signal (End-Point Detection).

• Follow detailed annotation guides and project-specific instructions.

• Provide feedback on guideline ambiguities and suggest improvements.

• Conduct regular cross-checks to maintain labeling quality and standardization.

• Collaborate with speech data scientists, linguists, and engineers to refine transcription and labeling processes.

• Support iterative updates to ASR and EPD tools by providing accurate and consistent annotations.

Qualifications

• Proficient in English.

• Native, bi-, or multilingual speaker of English, Mexican Spanish, and/or Canadian French.

• Proficiency in Korean is a plus.

• Experience with or desire to learn speech transcription.

• Comfortable using computers and digital tools.

• Bachelor's degree or currently pursuing an undergraduate degree in Linguistics; Speech, Language, andHearing Sciences; Communication Sciences; Language Studies; or related fields.

  • OR Experience with transcribing and labeling speech data for similar systems.

• Strong attention to detail and ability to follow annotation guidelines

Interview Process

• Application Review - 1st interview - 2nd interview - Offer Negotiation - Hiring

• The screening procedures may vary depending on the position, schedule, or other circumstances.

  You will be individually notified of the screening schedule and results via the email address provided in your application.

Additional Information

• In accordance with fair hiring practices, do not include any personal information unrelated to your job qualifications (e.g., Social Security Number, family relations, marital status, age, photo, physical condition, place of birth, etc.) in your resume.

• All documents must be submitted in PDF format and under 30MB in size.

• If you experience issues uploading your resume, please send it along with the job posting URL to

• We strongly encourage applications from U.S. veterans and candidates eligible for employment preference under applicable laws.

• Qualified individuals with disabilities are encouraged to apply and will receive consideration under the Americans with Disabilities Act (ADA).

• 42dot does not accept unsolicited resumes and will not pay fees for any such submissions. Equal Opportunity Statement

• 42dot is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees, regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or veteran status.

※ Please review the following information before applying.

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