Arabic Linguist AI & TTS

About Unifonic

Unifonic is an AI-native customer experience platform recognized as a Great Place to Work®. With over 25 years of conversational AI research and development, Unifonic serves more than 5,000 enterprises across MENA. The company is pioneering sovereign, agentic AI through its Agentic Studio platform.

The Role of Arabic Linguist – AI & TTS

Unifonic is seeking an Arabic Linguist to join its team in Riyadh, Riyadh Province. This is a part-time position focused on supporting the Text-to-Speech (TTS) team. The role involves linguistic analysis, providing Arabic dialect expertise, evaluating pronunciation and speech quality, and contributing to voice-related projects. The Arabic Linguist will apply linguistic expertise to production projects aimed at enhancing the quality, accuracy, and naturalness of Arabic speech technology.

Key Responsibilities

• Conducting research on the phonological, morphological, and syntactic structures of Arabic, with a focus on Modern Standard Arabic (MSA) and Saudi/Gulf dialects (particularly the Najdi dialect), and providing linguistic guidance for their integration into Sestek products.
• Acting as a linguistic point of contact for the R&D / AI team and translating linguistic requirements into clear, actionable input for engineers.
• Analyzing and reviewing pronunciation data, including grapheme-to-phoneme mappings, diacritization/tashkeel, and lexicons, for Arabic TTS and speech recognition systems.
• Evaluating TTS output quality in terms of pronunciation accuracy, prosody, dialect authenticity, and naturalness, with a particular focus on Saudi Arabic.
• Providing linguistic guidance and support for Arabic voice data collection and speech synthesis projects, including identifying and onboarding suitable voice talents when needed.
• Supporting the coordination and review of voice recording and editing processes to ensure linguistic accuracy and consistency.
• Supporting the onboarding and coordination of external Arabic language consultants when needed and providing guidance on linguistic requirements.
• Reviewing and providing linguistic feedback on data annotation activities and guidelines, ensuring appropriate quality standards for Arabic and Saudi dialect data.
• Collaborating closely with the Sestek TTS and AI Research teams and providing ongoing linguistic expertise throughout the project.

Benefits

Unifonic offers a range of benefits to its employees, including a competitive salary and bonus structure. Employees are eligible for the Unifonic share scheme. After the first anniversary, employees receive 30 holiday days annually, in addition to their birthday off. The company also provides the option to work remotely for up to 25 days per year and offers paid leave for new parents.