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LLM Application 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 LLM Application Engineer role at ActAI in China is an engineering position focused on building proactive, reliable artificial intelligence applications for daily user workflows. This opportunity suits software developers with a strong background in generative artificial intelligence who want to design scalable agent systems.

Role Overview

ActAI seeks an engineer to construct the intelligence layer driving the product ecosystem. The professional in this position will operate across artificial intelligence models, software development, and product design to turn probabilistic outputs into reliable actions.

Key Responsibilities

Construct and deploy applications powered by large language models and autonomous agent workflows.
Design architectural systems for machine reasoning, memory management, planning, and multi-step execution.
Build orchestration pipelines that convert model responses into safe, observable, and predictable behaviors.
Connect models with external tools, APIs, databases, and search services.
Formulate context engineering methods, structured outputs, and tool-calling strategies to refine model performance.
Construct assessment frameworks and datasets to track quality, reliability, and regression.
Troubleshoot system stacks ranging from prompt behavior to backend services and product user experience.
Refine systems for operational costs, execution latency, and output quality.
Collaborate with engineering and product teams to translate ambiguous requirements into working solutions.
Implement production standards for system tracing, experimentation, and continuous monitoring.

Requirements

Possess strong software engineering foundations along with practical experience developing artificial intelligence applications.
Demonstrate hands-on familiarity with generative models, large language models, or agent-based architectures.
Show past involvement in creating evaluation methods, prompts, or workflows.
Exhibit the ability to produce clean and production-ready code.
Maintain comfort operating across multiple abstraction layers from models to systems and user interfaces.

Skills and Tools

Python
OpenAI-compatible APIs and open-weight models
Agent frameworks and orchestration systems
Vector databases and retrieval systems
Backend services, APIs, and distributed systems
PyTorch and JAX

About the Company

ActAI builds proactive applications designed to bring intelligence to everyday tasks like communications, scheduling, and organization with minimal user prompting. The company focuses on persistent context, real-world task completion, and high reliability for long-running workflows to minimize hallucinations.

How to Apply

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

Skills and tech stack

PythonOpenAI-compatible APIsopen-weight modelsVector databasesPyTorchJAXLLMLLMsGenerative AIDistributed Systems

Questions candidates ask

What is the primary mission of ActAI?

ActAI aims to build proactive applications that bring intelligence to everyday tasks like conversations, organization, and workflows with minimal prompting.

Where is the LLM Application Engineer position located?

The position is located in China.

What programming language is required for the role?

Python is listed as part of the technical stack.

What frameworks or libraries are mentioned in the tech stack?

The tech stack includes PyTorch and JAX, along with agent frameworks, orchestration systems, and vector databases.

How should an interested candidate apply?

Candidates should apply directly on the official company careers page.

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site