[HN] AI Engineer – Voice & Conversational AI

Base.vn is a product- first technology company building a SaaS platform serving more than 11,000+ businesses across Vietnam and beyond.
As AI becomes a core capability across our product ecosystem, we are expanding into voice AI technologies to create more natural and intelligent user experiences.
We are building AI- powered voice solutions that enable users to interact seamlessly through speech- from capturing voice on mobile devices to transcribing, understanding, and generating natural conversations.
We are looking for a passionate AI Engineer (Speech AI) to help build production- grade speech systems and transform cutting- edge AI technologies into products used by thousands of businesses every day.

As an AI Engineer, you will design and build the core AI capabilities powering our voice platform.

Develop and optimize intelligent voice technologies, including:

Text- to- Speech (Speech Synthesis)
Audio processing and speech enhancement
Automatic Speech Recognition (Speech- to- Text)
Speech understanding and voice interaction pipelines

Design and optimize production- ready audio processing pipelines, including:

Model optimization for production deployment
Noise suppression and speech enhancement
Audio preprocessing and feature extraction
Real- time audio streaming

Collaborate closely with Product, Mobile, and Backend Engineers to deliver features such as:

Voice recording and transcription
AI- powered voice assistants
Voice- driven workflows
Natural conversational experiences

Continuously improve:

Speech recognition accuracy
Scalability across cloud and mobile environments
Inference latency
Speech synthesis quality

Evaluate and integrate modern Speech AI technologies, including:

NVIDIA NeMo
Whisper
Other open- source or commercial Speech Foundation Models
XTTS / VITS
wav2vec2

We are looking for engineers who enjoy solving challenging AI problems and building products that create real business impact.

Solid understanding of speech processing and audio machine learning.
Strong Python programming skills.
Hands- on experience deploying AI models into production.
Experience with deep learning frameworks such as PyTorch or TensorFlow.
3+ years of experience building AI/ML systems or AI- powered products.
Experience working on one or more of the following:
Audio AI or Voice AI applications
Automatic Speech Recognition (ASR)
Text- to- Speech (TTS)
Strong problem- solving skills with a product- oriented mindset.
Ability to design and implement end- to- end AI workflows.

Whisper
NVIDIA NeMo
wav2vec2
Coqui TTS
XTTS
VITS
SpeechBrain
Kaldi

Additional experience in the following areas is a strong advantage:

AI deployment on mobile devices
Speaker recognition and speaker diarization
LLM integration or conversational AI systems
Audio signal processing
Real- time audio streaming
Voice cloning

High- performance workstation and external monitor.
Full statutory benefits in accordance with Vietnamese Labor Law.
Annual company trips, team- building activities, and engagement events.
Competitive salary package with performance- based bonuses.
Opportunity to receive ESOP (Employee Stock Ownership Plan) for outstanding contributors.
Flexible salary reviews (1–2 times per year) based on performance.

Career Development

Build AI Products with Real Impact: Develop production- grade AI systems that power real customer experiences- not just research prototypes.

Accelerate Your AI Career: Own the complete lifecycle of AI features- from research and model development to deployment and continuous optimization.

Learn from Exceptional Builders: Work alongside experienced AI Engineers, Software Engineers, and Product Builders to create scalable AI products serving thousands of businesses.

Create Visible Impact: Every model you build directly enhances how users interact with our products through intelligent voice experiences.

Apply & Job Discussion with TA

Round 1: Technical & Culture Interview
Round 2: Final Interview with CEO

Address Office: 16th floor, HUD Building, 37 Le Van Luong, Thanh Xuan, Hanoi.

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Cập nhật gần nhất lúc: 2026-07-06 17:05:03