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LLM Application Engineer

bjakcareerUnited StatesActAI 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

ActAI seeks an LLM Application Engineer based in the United States to build the intelligence layer for proactive AI applications. This position suits an engineer focused on turning generative models into reliable, production-ready user experiences.

Role Overview

ActAI hires an LLM Application Engineer to design agent workflows, improve model behavior, and integrate models into software products. The professional takes charge of problems from user understanding to evaluation systems in production. The objective centers on bringing intelligence to everyday workflows with minimal prompting.

Key Responsibilities

Build and launch LLM-driven applications and agent workflows.
Design orchestration pipelines that convert probabilistic outputs into predictable actions.
Connect large language models with APIs, databases, search tools, and internal services.
Implement prompt engineering, structured outputs, and tool-calling methods.
Create evaluation frameworks to measure model quality, reliability, and regressions.
Debug systems across model behavior, prompts, orchestration, and backend services.
Optimize applications for quality, response latency, and cost.

Requirements

Possess robust software engineering fundamentals and application building experience.
Demonstrate hands-on work with generative AI, large language models, or agent systems.
Show experience designing prompts, evaluation methods, and agent workflows.
Write clean, production-grade code across various abstraction layers.

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 to help users organize conversations, errands, and workflows without complex prompting. The organization focuses on long-running workflows, persistent context, real-world task completion, and minimizing model hallucinations.

How to Apply

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

Skills and tech stack

Questions candidates ask

What is the primary objective of the LLM Application Engineer role?

The engineer builds the intelligence layer that powers ActAI products, designing agent workflows, integrating models, and turning AI capabilities into reliable user experiences.

Where is the position located?

The role is located in the United States.

What technologies and tools are used in the stack?

The stack includes Python, OpenAI-compatible APIs, open-weight models, agent frameworks, vector databases, retrieval systems, backend services, distributed systems, PyTorch, and JAX.

What are the main focus areas for system design?

Focus areas include reasoning, planning, memory, tool use, multi-step execution, and orchestration pipelines that turn probabilistic outputs into safe actions.

How should an interested candidate apply?

Candidates must apply directly on the official company careers page.

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site