About this role
ACTAI seeks a Senior Machine Learning Engineer in Seoul, Korea, to build core ML systems for proactive AI applications. This hands-on position suits an experienced practitioner who wants to independently own critical production machine learning subsystems and drive long-horizon product development.
Role Overview
ACTAI offers a full-time position for a Senior Member of Technical Staff, Machine Learning, located in Seoul, Korea. The role focuses on solving ambiguous problems, designing practical solutions, and shipping scalable machine learning systems that operate reliably in production environments under real-world constraints such as cost, latency, reliability, and safety.
Key Responsibilities
Requirements
Skills and Tools
About the Company
ACTAI builds proactive artificial intelligence applications designed for users globally who are unfamiliar with complex prompting. The company focuses on bringing intelligence to conversations, workflows, errands, and organizing tasks with minimal prompting. ACTAI aims to achieve high reliability for persistent context, long-running workflows, and real-world task execution while reducing hallucinations.
How to Apply
Interested candidates should apply directly on the official company careers page.
Skills and tech stack
Questions candidates ask
Where is this job located?
This position is located in Seoul, Korea.
What is the primary focus of the role?
The role focuses on building core machine learning systems, owning projects end-to-end, converting research into production systems, and debugging model failures under real production constraints.
What technologies and tools are used?
The tech stack includes Python, PyTorch or JAX, and GPU-based training and inference systems.
What does the interview process look like?
The process consists of three to four interviews conducted via virtual meetings and/or onsite sessions, evaluated by technical team members.