About this role
ActAI seeks a Machine Learning Platform Engineer based in the United Kingdom to build and operate the infrastructure powering artificial intelligence capabilities. This full-time position suits infrastructure professionals with software engineering fundamentals who want to design production systems for model training, deployment, and inference.
Role Overview
ActAI develops proactive applications designed to bring intelligence to everyday tasks with minimal prompting. The Machine Learning Platform Engineer designs and operates the systems behind the artificial intelligence stack, ranging from model evaluation to continuous improvement. Team members collaborate with researchers and product engineers to transform models into scalable, reliable, and cost-efficient production environments.
Key Responsibilities
Requirements
Skills and Tools
About the Company
ActAI focuses on building proactive applications for users worldwide, eliminating the need for complex prompting. The organization targets reliable long-running workflows, persistent context, and real-world task completion to organize daily life.
How to Apply
Interested candidates should apply on the official company careers page.
Skills and tech stack
Questions candidates ask
Where is the Machine Learning Platform Engineer role located?
The position is located in the United Kingdom.
What tools and frameworks are used in the tech stack?
The tech stack includes Python, PyTorch, JAX, vLLM, SGLang, TensorRT-LLM, cloud infrastructure, distributed systems, vector databases, and GPU infrastructure.
What are the core responsibilities of this position?
Responsibilities include building machine learning infrastructure, designing model deployment and inference systems, optimizing low-latency workloads, and developing reliable data pipelines.
What qualifications are expected from applicants?
Applicants need strong software engineering fundamentals, experience building production machine learning systems or infrastructure, understanding of distributed systems, and the ability to write maintainable code.
How should interested candidates apply?
Candidates should apply directly on the official company careers page.
