Hire Oksana K. - NLP Engineer

* trained, evaluated, and fine-tuned Siri TTS models across various language locales, continually refining them for accuracy and naturalness, which improved user engagement and satisfaction with the TTS output * developed innovative TTS systems optimized for underrepresented languages, expanding access to speech technology in low-resourced locales and increasing global inclusivity * led end-to-end data collection, cleaning, and preprocessing workflows, ensuring high-quality training datasets that elevated model accuracy and robustness across diverse locales * architected an optimized data generation pipeline on AWS, achieving a 10x increase in processing speed, which significantly reduced training time and enhanced scalability for large datasets * designed and implemented customized phonetic resources, pronunciation dictionaries, and linguistic rules tailored to each locale, ensuring accurate and culturally appropriate voice outputs

* managing in-house cross-functional project teams * working closely with product management for devising and validating ideas for new product features and defining the product vision * implementing rule-based algorithms for grammar error correction * training and evaluating NMT and LSTM models for grammar error correction * feature engineering, data collection and clean up for ML based checks * monitoring data acquisition (collection and linguistic annotations) and curation * Key Achievements: * developed and productized more than 50 new grammar and stylistic checks in 3 years (written in C#) * provided linguistic expertise and closely collaborated with data scientists to train and fine-tune NMT based grammar error correction models * launched and owned a separate product feature that resulted in enhancing target audience and increased number of daily active users * led a couple of in-house knowledge-sharing workshops and presentations