Senior Machine Learning Engineer

About the company: 

We’re a technology-first team building the next generation of AI-powered audio and video creation. Our proprietary text-to-speech models rank among the top on Hugging Face leaderboards, and our research spans voice cloning, audio processing, and video understanding.

At the core of what we build is real-time, low-latency voice technology that delivers expressive, controllable, multilingual speech. We care deeply about production reliability at scale, which means consistent voice quality, fast response times, robust streaming, and tools that are easy to integrate and trust.

About the team:

You’ll be joining a team that works at the intersection of cutting-edge AI and real-world creative workflows, with a shared mission to make professional-grade content creation accessible and genuinely enjoyable.

About the role:

We are seeking a highly skilled and motivated Machine Learning Engineer to join our team. The ideal candidate should possess strong Python programming skills, a solid foundation in software development, and a passion for developing cutting-edge machine-learning solutions based on prototyped models. As a Machine Learning Engineer, you will be responsible for designing and deploying optimized models into production environments. You will play a key role in enhancing our Text-To-Speech, Voice Cloning, Speech Enhancement, and other AI-based systems to ensure peak performance.

Typical responsibilities include:

• Build scalable, maintainable software solutions on top of prototyped models
• Deploy machine learning models into production environments at scale
• Leverage Flask and FastAPI frameworks to create REST microservices and APIs
• Optimize the speed and efficiency of existing Text-To-Speech, Voice Cloning, Speech
• Enhancement, and other systems
• Monitor, optimize, and maintain ML solutions
• Improve the speed, stability, and scalability of real-time audio endpoints
  

We’re looking for someone with the following skills and qualifications:

• Bachelor's or higher degree in Computer Science, Machine Learning, or a related field
• 3+ years of experience in ML engineering or backend + ML hybrid roles
• Strong proficiency in Python and clean software engineering practices
• Hands-on experience with Google Cloud Platform
• Hands-on experience with FastAPI, REST APIs
• Having experience working with message queues like: Google Pub/Sub, RabbitMQ, Kafka etc.
• Demonstrated experience deploying machine learning models on cloud platforms
• Experience with virtualization and cluster management tools, including Docker & Kubernetes
• Excellent communication and collaboration skills 

Desired experience in:

• Hands-on experience with WebSocket APIs
• Experience in optimizing and improving the speed of machine learning systems
• Having experience creating scalable data pipelines leveraging workflow orchestration tools such as Airflow
• Experience deploying optimized/quantized models in browsers

Why Async?

• Startup Environment: Experience the energy and agility of a fast-growing startup where your contributions directly shape product direction and company success
• Cutting-Edge AI Technologies: Work with the latest AI agents, LLMs  at the forefront of audio and video AI innovation
• Professional Development: opportunities to grow your skills in AI and distributed systems
• Flat Company Structure: promoting direct collaboration and rapid decision-making
• Health Insurance: coverage with comprehensive benefits
• GYM Membership: benefits to support your well-being
• Pioneering Mindset: with innovative people around you pushing the boundaries of what's possible

At Async, we believe artificial intelligence has the potential to help people solve immense creative challenges, and we want the upside of AI-powered content creation to be widely shared. Join us in shaping the future of audio and video technology.