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Machine Learning Platform Engineer

bjakcareerSeoul, KoreaActAI Engineering
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Salary
Not listed
Job type
Full-time
Work mode
Remote
Posted
28 Sept 2026
Status
Open · checked 7d ago

About this role

Based in Seoul, Korea, the Machine Learning Platform Engineer position involves building and operating the underlying infrastructure for ActAI's proactive applications. This role suits software professionals who want to design robust AI systems and tooling for production environments.

Role Overview

ActAI is hiring a Machine Learning Platform Engineer to develop the infrastructure and platforms that drive intelligent applications in Seoul, Korea. The professional in this role will handle model training, evaluation, deployment, inference, and system observability. Collaboration with researchers, AI engineers, and product teams is essential for scaling production workloads and reducing application latency.

Key Responsibilities

Build and operate machine learning infrastructure and platforms for AI products.
Design and optimize model serving and inference systems for high throughput and low latency.
Develop dependable pipelines for data preparation, training, evaluation, and release.
Construct monitoring, tracing, and alerting systems for production machine learning workloads.
Create benchmarking and evaluation frameworks to measure model quality and performance.

Requirements

Demonstrate software engineering fundamentals with experience in production systems.
Build machine learning infrastructure, platforms, or production machine learning systems.
Handle model deployment, inference, evaluation, or data pipelines.
Understand distributed systems and system reliability.
Write clean, maintainable, and production-quality code.

Skills and Tools

Python
PyTorch
JAX
vLLM
SGLang
TensorRT-LLM
Cloud infrastructure
Distributed systems
GPU infrastructure and performance tooling
Vector databases and retrieval infrastructure

About the Company

ActAI aims to create proactive applications for users globally without requiring complex prompting, bringing intelligence to daily workflows, conversations, and tasks. The company focuses on persistent context, real-world task completion, and high reliability for long-running workflows to reduce model hallucinations.

How to Apply

Interested candidates should visit the official bjakcareer company careers page to submit an application for this role.

Skills and tech stack

Questions candidates ask

Where is the Machine Learning Platform Engineer position located?

The job is located in Seoul, Korea.

What tools and technologies are used in the tech stack?

The tech stack includes Python, PyTorch, JAX, vLLM, SGLang, TensorRT-LLM, cloud infrastructure, distributed systems, GPU infrastructure, and vector databases.

What is the mission of ActAI?

The company builds proactive applications to bring intelligence to tasks, conversations, and workflows with minimal to no prompting.

Who will the Machine Learning Platform Engineer work with?

The engineer works closely with AI engineers, researchers, and product engineers.

How can a candidate apply for this role?

Candidates must apply on the official company careers page via bjakcareer.

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site