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Applied AI Engineer

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

About this role

The Applied AI Engineer role at bjakcareer in China involves building proactive AI applications and reliable long-running workflows for users worldwide. This position suits developers with a strong machine learning foundation who want to bridge the gap between complex models and real-world product usage.

Role Overview

The Applied AI Engineer transforms raw model capabilities into dependable product behavior. Located in China, this position bridges machine learning, systems engineering, and product development to deliver practical tools for everyday tasks without requiring complex prompting.

Key Responsibilities

Build and deliver complete artificial intelligence features spanning from the model layer to the user interface
Design and refine prompts, tools, memory structures, and agent workflows
Convert unpredictable model outputs into structured and reliable behavior
Troubleshoot and debug issues across the full technology stack including models, orchestration, infrastructure, and user experience
Improve latency, operational costs, and overall production reliability
Create lightweight evaluation systems to assess real-world performance
Collaborate with product and engineering teams to resolve ambiguous challenges

Requirements

Strong background in machine learning and modern neural network architectures
Practical experience training, fine-tuning, or deploying machine learning models
Capability to write clean and production-ready code
Proficiency in working across multiple abstraction layers from models to infrastructure and products
Analytical problem-solving abilities within ambiguous and fast-paced environments
Focus on shipping iterations and continuous product enhancement

Skills and Tools

Python
PyTorch and JAX
Large language models such as OpenAI-style APIs, LLaMA, and Qwen
Inference and serving tools including vLLM
Vector databases

About the Company

ACTAI operates with a mission to develop proactive applications for billions of users currently relying on basic tools like email, notes, and calendars. The company focuses on minimizing complex prompting while bringing intelligence to workflows, conversations, and daily tasks with high reliability and persistent context. Team members operate in small groups, make collective decisions, and maintain a fast pace of execution.

How to Apply

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

Skills and tech stack

Questions candidates ask

What is the location of the Applied AI Engineer position?

The position is located in China.

What technologies and tools are used in this role?

The tech stack includes Python, PyTorch, JAX, large language models such as OpenAI-style APIs, LLaMA, and Qwen, inference and serving frameworks like vLLM, and vector databases.

What does the interview process look like?

The interview process consists of three to four interviews conducted through virtual meetings or onsite locations, evaluated by technical team members.

What is the primary focus of the product team?

The team focuses on building proactive applications with high reliability for long-running workflows, persistent context, and real-world task completion with minimal prompting.

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site