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Applied AI Engineer

bjakcareerZurich, SwitzerlandActAI 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 Zurich, Switzerland, the Applied AI Engineer position at ACTAI involves translating raw model capabilities into functional product features for everyday applications. This role suits professionals with a strong background in machine learning and systems engineering who want to build reliable, long-running AI workflows for end users.

Role Overview

The Applied AI Engineer bridges the gap between machine learning, underlying infrastructure, and user experience. Practitioners take ownership of complex problems from inception to production deployment, ensuring that models operate reliably without requiring intricate user prompting.

Key Responsibilities

Deliver end-to-end artificial intelligence features spanning models, infrastructure, and user interfaces
Create and refine prompts, tools, memory systems, and agent workflows
Transform unstructured model responses into reliable and predictable outputs
Diagnose and resolve technical challenges across the complete technology stack
Improve system latency, operational costs, and production stability
Create lightweight evaluation methods to assess real-world performance
Partner with product and engineering teams to resolve ambiguous challenges

Requirements

Solid foundation in machine learning principles and modern neural network structures
Practical background in training, fine-tuning, or deploying machine learning models
Capability to author clean, production-grade software
Adaptability to operate across various abstraction layers from models to user products
Strong analytical abilities in fast-paced, ambiguous settings
Orientation toward rapid shipping and iterative enhancement

Skills and Tools

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

About the Company

ACTAI develops proactive applications designed to bring intelligence to everyday tasks like communication, organization, and workflows with minimal prompting. The organization focuses on reliable, long-running workflows with persistent context and real-world task completion to reduce hallucinations. Operating as a small team, the company makes collective decisions and moves rapidly while balancing quality and learning.

How to Apply

Candidates should apply directly on the official company careers page.

Skills and tech stack

Questions candidates ask

Where is the job located?

The position is located in Zurich, Switzerland.

What technologies and frameworks are used in this role?

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

What is the focus of the product team at ACTAI?

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

What does the interview process look like?

The evaluation consists of three to four interviews conducted through virtual meetings and/or onsite sessions, handled by technical team members with an emphasis on transparency and prompt decisions.

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site