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Principal Machine Learning Engineer

bjakcareerChinaActAI Engineering
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Salary
Not listed
Job type
Full-time
Work mode
Remote
Experience
Senior
Posted
28 Sept 2026
Status
Open · checked 7d ago

About this role

Bjakcareer seeks a Principal Machine Learning Engineer in China to lead the execution layer for proactive, AI-native applications. This hands-on leadership opportunity suits a professional focused on scaling machine learning models into reliable production environments.

Role Overview

Bjakcareer is hiring a Principal Machine Learning Engineer to direct the operational infrastructure of its intelligent software products located in China. The role centers on transforming research concepts into stable, scalable systems that handle long-running workflows and persistent context without requiring complex user prompting. This position operates across the entire model lifecycle, combining research, systems engineering, and product development.

Key Responsibilities

Manage end-to-end machine learning infrastructure covering data handling, training, evaluation, inference, and deployment.
Construct and develop training and fine-tuning procedures for large-scale models.
Create evaluation frameworks to track capability, robustness, safety, and operational performance.
Construct high-performance inference platforms while managing latency, memory usage, GPU efficiency, cost, and reliability.
Develop data pipelines supporting both real-world and synthetic training information.
Implement production infrastructure to monitor, deploy, and refine models continuously.
Collaborate with research and application teams to translate model capabilities into user-facing features.

Requirements

Background in developing and deploying production-grade machine learning systems rather than research demos.
Knowledge of modern large-model training, fine-tuning, assessment, and inference.
Software engineering and systems foundations.
Background running machine learning workloads at scale, specifically utilizing GPU-based systems.
Technical judgment and capability to solve ambiguous problems independently.

Skills and Tools

Python
PyTorch
JAX
GPU-based training and inference systems

About the Company

Bjakcareer builds proactive, AI-native applications intended to simplify daily tasks such as communication, organization, and workflows for global users with minimal prompting. The organization functions as a compact, skilled, hands-on team where engineers maintain broad ownership and make rapid decisions.

How to Apply

Interested candidates should visit the official company careers page to submit an application.

Skills and tech stack

Questions candidates ask

Where is the Principal Machine Learning Engineer position located?

The role is located in China.

What core technologies are used in this role?

The tech stack includes Python, PyTorch or JAX, and GPU-based training and inference systems.

What is the interview process like?

The process consists of three to four interviews conducted via virtual meetings and/or onsite sessions, evaluated by technical team members.

What type of experience is required for this position?

Candidates must have experience building and shipping production-grade machine learning systems, strong software and systems fundamentals, and familiarity with GPU-based workloads at scale.

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site