Speech Data Transcriber (Part-Time)
42dot, Sunnyvale
- Pay
- Not listed by the employer
- Work type
- Not stated
- Level
- Not stated
- Area
- ML / AI engineering
- Posted
- Sep 10, 2026
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About the role
WE ARE LOOKING FOR THE BEST
ABOUT US
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.
We are hiring part-time transcribers to support our speech data and ASR (Automatic Speech Recognition) systems. We are filling multiple positions — at least one per language — and strongly prefer candidates who are bilingual or trilingual across our target languages:
- North American English
- Latin American Spanish
- Canadian French
Candidates should be comfortable working with a wide range of accents within each language, including both native and non-native (foreign-accented) speech.
Responsibilities
Transcription & Text Labeling
- Generate and review transcriptions using internal ASR and transcription systems.
- Ensure transcription accuracy against acoustic speech recordings, following internal quality standards.
- Classify utterances, speaker turns, and dialogue contexts.
- Maintain consistency and reliability in labeling across large datasets.
Wake Word Detection (WWD) Transcription
- Identify and annotate target wake word(s) within audio files.
- Mark precise onset (start) and offset (end) times of target wake words with high temporal accuracy.
End-Point Detection (EPD) Transcription
- Identify and annotate precise word and phrase boundaries in the acoustic speech signal.
Quality Assurance & Annotation Guidelines
- Follow detailed annotation guides and project-specific instructions.
- Flag guideline ambiguities and suggest improvements.
- Conduct regular cross-checks to maintain labeling quality and standardization.
Collaboration
- Work closely with speech data scientists, linguists, and engineers to refine transcription and labeling processes.
- Support iterative updates to ASR/EPD tools through accurate, consistent annotations.
Qualifications
- Native, bilingual, or multilingual proficiency in one or more of: North American English, Latin American Spanish, Canadian French. Bilingual or trilingual candidates strongly preferred.
- Demonstrated comfort transcribing a range of accents within the language(s) above, including both native and foreign/non-native accents.
- Comfortable transcribing points of interest (POIs), geographic references, and navigation/wayfinding terminology (e.g., street names, landmarks, directions).
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Listed on 42dot's Ashby job board; checked 5 h ago. First seen by us 34 h ago. Being listed doesn't mean the team is actively interviewing. We found this board in a public directory and haven't yet confirmed it against the company's own careers page.