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Machine Learning Platform Engineer

bjakcareerPolandActAI 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

Located in Poland, the Machine Learning Platform Engineer role at ActAI involves building infrastructure and systems to power artificial intelligence capabilities and suits software engineers focused on model deployment and reliability. ActAI focuses on creating proactive applications designed to reduce hallucinations and assist users without requiring complex prompting.

Role Overview

The position centers on designing and operating the systems behind the artificial intelligence stack, ranging from training and evaluation to deployment, inference, and observability. Candidates will collaborate with researchers and product teams to transition models into production environments.

Key Responsibilities

Construct and maintain the infrastructure supporting artificial intelligence products.
Engineer architectures for training, evaluation, deployment, and experimentation.
Optimize model serving infrastructure for high throughput and low latency.
Enhance the reliability, scalability, and cost efficiency of systems.
Create pipelines for data preparation, model release, and continuous improvement.
Provide tooling to help researchers test and release models efficiently.
Implement evaluation frameworks to measure model performance and detect regressions.
Establish observability, monitoring, tracing, and alerting for workloads.

Requirements

Strong software engineering background with production system experience.
Background in building machine learning infrastructure or platforms.
Practical knowledge of model deployment, inference, or data pipelines.
Understanding of distributed systems and reliability.
Capacity to write production-quality code.

Skills and Tools

Python
PyTorch
JAX
vLLM
SGLang
TensorRT-LLM
Cloud infrastructure
Distributed systems
Workflow orchestration
GPU infrastructure
Vector databases

About the Company

ActAI develops proactive applications intended to bring intelligence to daily tasks, conversations, and workflows with minimal prompting. The organization focuses on persistence of context, high reliability in long-running workflows, and real-world task completion to reduce hallucinations.

How to Apply

Interested candidates should apply on the official company careers page.

Skills and tech stack

Questions candidates ask

Where is the job located?

The position is located in Poland.

What tools and technologies are used in this role?

The tech stack includes Python, PyTorch, JAX, vLLM, SGLang, TensorRT-LLM, cloud infrastructure, distributed systems, workflow orchestration, GPU infrastructure, and vector databases.

What is the primary mission of ActAI?

ActAI aims to build proactive applications that bring intelligence to everyday workflows and tasks with minimal to no prompting, while reducing hallucinations and maintaining high reliability.

Who will the Machine Learning Platform Engineer work with?

The engineer works closely with AI engineers, researchers, and product teams.

How should candidates apply?

Candidates should apply on the official company careers page.

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site