This company is the first startup founded by a major Japanese airline group, driven by the mission of expanding human possibilities by giving everyone new abilities through avatars.
They are developing the world's first avatar platform that enables people to operate avatars in real-world environments via websites and applications, allowing participation in society beyond physical and spatial limitations.
The company focuses on:
Developing general-purpose avatars that enable natural communication and interaction in physical spaces
Building and deploying avatar-based social infrastructure to support society in both everyday and emergency situations
They also launched a global international prize competition with a total prize pool of approximately JPY 1 billion, attracting over 820 teams from 81 countries and leading the formation of a new global avatar market.
As a Machine Learning Engineer specializing in Speech AI, you will join the AI and Robotics team and contribute to adding AI-powered features to the company's flagship robotic products.
The team works on improving service efficiency for business partners using technologies such as computer vision, automatic speech recognition, text-to-speech, and retrieval-augmented generation.
You will focus primarily on Speech AI-related tasks, including Automatic Speech Recognition, Voice Activity Detection, Language Detection, Emotion Detection, Speaker Diarization, and Audio Cleaning.
Responsibilities
Design and implement speech processing pipelines for customer-facing projects
Research and apply state-of-the-art machine learning and speech AI techniques
Develop high-performance, robust code deployable at scale across thousands of devices
Team Culture
Strong emphasis on collaboration, communication, and continuous learning
Autonomous, cross-functional team environment
Fast-paced culture with active experimentation and iteration
Engineering mindset focused on performance, robustness, and scalability
Requirements
Must-Have Qualifications
Strong programming skills in Python and solid knowledge of C/C++
Experience with version control and containerization tools (Git, Docker, Podman)
Deep learning fundamentals for language processing
Neural network architectures such as Transformers, RNNs, Encoder-Decoder models
Core ML concepts including supervised and unsupervised learning
Evaluation metrics such as WER, CER, and Cross Entropy
Solid understanding of Speech AI fundamentals
Audio preprocessing
Voice Activity Detection
Speaker Diarization
Experience with Speech AI libraries and frameworks
Hugging Face ecosystem
OpenAI Whisper
NVIDIA NeMo
Nice-to-Have Qualifications
Master's degree in Computer Science or a related field
Hands-on experience deploying Speech AI systems
Automatic Speech Recognition
Speaker Diarization
Audio Emotion Detection
Knowledge of ASR optimization techniques such as model distillation, fine-tuning, and evaluation
Experience with distributed systems, cloud environments, or high-performance computing
Strong software engineering fundamentals including system design, testing, and debugging
Familiarity with NVIDIA technologies such as CUDA, TensorRT, or Triton
Ability to read and write Japanese
Compensation and Benefits
Annual salary up to JPY 9,000,000
Transportation costs covered according to company policy
Flextime system
60-minute break time
Health insurance provided
Hybrid or remote work options available
Smoke-free workplace
We still have more positions available across different roles. If this isn't the perfect fit, explore our other openings and feel free to apply
Job ID: 06977
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