Rizki Rivai Ginanjar

Senior Artificial Intelligence (AI) Engineer

Prosa.ai•  July 2021 - Present•  Bandung, Indonesia.

- Led the Text-to-Speech (TTS) and Paralinguistic AI Research Team. - Defined the annual research roadmap and set objective key results (OKRs). - Led the full cycle of TTS voice model’s development, from audio and text data gathering, dataset pre-processing, model training, and model evaluation. - Developed and maintained production ready AI inference engines for the TTS models. - Led the development of internal libraries for the TTS-related inference process, supporting both production and development environments (e.g., Text Cleaner, Dataset Versioning Control, TTS Model Training Toolkits, etc.) - Was invited as a guest lecturer in Bandung Institut of Technology (ITB) to teach speech synthesis. - Supervised theses for several bachelor’s students on topics related to TTS or paralinguistics.

Product Manager

Prosa.ai•  January 2024 - Present•  Bandung, Indonesia.

- Led the development team at Prosa TTS, an Indonesian SaaS-based Text-to-Speech (TTS) solution provider, serving over 320,000 users with exclusive TTS voice models and advanced features. - Conducted user and market research to drive product enhancements, resulting in an NPS increase to over 84 points. - Developed both short-term and long-term product roadmaps. - Managed product backlogs based on insights from various stakeholders. - Managed a cross-functional team of product UI/UX designers and software engineers, guiding them through the entire software development lifecycle, from planning to maintenance. - Collaborated with the marketing team on announcing newly developed features and improvements, increasing the number of new users by 23% over 8 Months. - Gathered data from various sources and analyzed product metrics to identify areas for improvement. - Worked with the support team to address and resolve user complaints. Managed product-related documentation, such as product requirement documents (PRDs), user feedback, and periodic product reports.

Artificial Intelligence (AI) Engineer

Prosa.ai•  May 2020 - June 2021•  Bandung, Indonesia.

- Developed High-quality, exclusive AI-Based Text-to-Speech (TTS) voice models for Bahasa Indonesia. - Explored various TTS model training toolkits to identify the best architecture for developing TTS voice models. - Optimized TTS voice models for faster inference times and support for lower-end devices. - Maintained internal libraries associated with the TTS inference process. - Developed COVID-19 diagnosis system based on cough recordings. - Developed emotion classification system based on speech signals.

Full-time Researcher

Networked System Laboratory (NSL)•  February 2018 - January 2020•  Gumi-si, South Korea

- Conducted research on integrating machine learning technology into wireless communication systems. - Proposed novel ideas, designed systems, assessed performance, and documented findings in technical papers. - Presented research results at domestic and international conferences and submitted a comprehensive version to international journals.