Vietnam | Part-time | AI Engineer (Voice AI)

Company Description

Eastgate Software is a Vietnam-based software development company with consulting teams in Germany, Japan, and Vietnam, serving clients worldwide through remote cooperation models. The company builds world-class distributed teams and delivers custom software solutions for SMEs and Fortune 500 companies, with a strong emphasis on reliability and quality. Eastgate Software is a long-term strategic partner of SIEMENS Mobility, reflecting its track record in complex, high-stakes projects. Team members join a diverse pool of 250+ experienced professionals, including Software Developers, Architects, QA Engineers, AI/ML Scientists, Business Analysts, and Project Managers. Cooperation models range from project-based engagements to dedicated outsourcing teams, offering variety in domains and technologies.

Role Description

We are looking for a Middle - Senior AI Engineer with experience in Voice AI to develop AI-powered audio analysis and singing evaluation features. You will research, integrate, optimize, and deploy machine learning models into production while working closely with backend and frontend engineers.

• Level: Middle +
• Working model: Remote (with EGS Watch installed)
• Candidate preference: Vietnamese
• Duration: 3 months
• Expected start date: August 2026
• Working hours: Part-time (4 hours/day), preferably within Vietnam business hours, 9:30 AM - 3:00 PM UTC+7

Responsibilities

• Research and evaluate voice AI models.
• Develop and optimize audio processing pipelines.
• Build real-time voice analysis and scoring systems.
• Deploy AI models to cloud infrastructure.
• Improve model accuracy, latency, and scalability.
• Collaborate with cross-functional teams to deliver production-ready AI solutions.

Requirements

• Bachelor's degree in Computer Science, AI, or related fields.
• 3+ years of experience in AI/ML development.
• Strong Python programming skills.
• Experience building and deploying production AI models.
• Experience with PyTorch or TensorFlow.
• Experience with cloud platforms (Azure, AWS, or GCP).

Voice AI Experience: Candidates should have experience in several of the following areas:

• Speech Recognition (ASR)
• Audio Signal Processing (DSP)
• Source Separation
• Pitch Detection
• Beat & Tempo Detection
• Forced Alignment
• Music Information Retrieval (MIR)
• Real-time Audio Processing
• Audio Streaming

Nice to Have

• Experience with karaoke or singing evaluation systems.
• Experience with multilingual speech processing.
• Experience with ONNX Runtime, TensorRT, or CUDA optimization.
• Experience with AI-powered learning or recommendation systems.