Computational Linguist for Speech & AI Quality

Intelliswift - An LTTS Company; Burlingame (CA); On-site; USD 110,000 - 170,000; Full time

Job summary

Intelliswift - An LTTS Company is seeking a skilled Linguist/Computational Linguist to support evaluation and improvement of voice and language technologies. This role combines linguistic expertise, data analysis, annotation, and quality evaluation to enhance speech recognition, language understanding, and conversational AI experiences.

The ideal candidate has a strong foundation in linguistics, experience working with speech and language data, and the ability to leverage technical tools such as

Qualifications

• Minimum 5+ years of experience with linguistic data, speech technologies, NLP, or language-focused AI systems.
• Strong foundation in phonetics, phonology, sociolinguistics, dialectology, corpus linguistics, syntax and semantics.
• Proficiency in Python and SQL and experience with annotation guidelines.

Responsibilities

• Evaluate and analyze speech recognition, language understanding, and conversational AI outputs.
• Create, review, and maintain linguistic annotations, transcriptions, and metadata.
• Develop and execute quality evaluation frameworks for speech and language datasets.
• Design annotation guidelines, evaluation rubrics, and documentation to ensure consistency and quality.
• Build, curate, and assess training and evaluation datasets.
• Perform linguistic analysis across phonetics, phonology, syntax, semantics, pragmatics, sociolinguistics, and dialectology.
• Use Python, SQL, and analytical tools to investigate data quality issues and identify improvement opportunities.
• Conduct error analysis and provide actionable recommendations for product and model enhancements.
• Collaborate with cross-functional teams including linguists, data scientists, engineers, and program managers.
• Support human evaluation programs, annotator training, and quality assurance processes.

Skills

Linguistics

Data analysis

Multi-lingual data

Technical documentation

Education

Bachelor’s/Master’s/PhD in Linguistics or related field

Tools

Python

SQL

spaCy

NLTK

Hugging Face

Job description

Intelliswift - An LTTS Company is seeking a skilled Linguist/Computational Linguist to support evaluation and improvement of voice and language technologies. This role combines linguistic expertise, data analysis, annotation, and quality evaluation to enhance speech recognition, language understanding, and conversational AI experiences.

The ideal candidate has a strong foundation in linguistics, experience working with speech and language data, and the ability to leverage technical tools such as