Latest AI JobsBrowse Jobs
bjakcareer logo

Senior Machine Learning Engineer

bjakcareerUnited KingdomActAI Engineering
Apply on company site
Salary
Not listed
Job type
Full-time
Work mode
Remote
Experience
Senior
Posted
28 Sept 2026
Status
Open · checked 7d ago

About this role

In the United Kingdom, the Senior Machine Learning Engineer position at bjakcareer involves owning critical machine learning subsystems in production and suits professionals experienced in building scalable AI systems. This hands-on role focuses on developing proactive applications designed to bring intelligence to everyday tasks with minimal prompting.

Role Overview

This position functions as a Senior Member of Technical Staff within the machine learning domain. The professional operates independently to tackle ambiguous problems, design practical solutions, and deploy systems that run dependably at scale.

Key Responsibilities

Construct core machine learning systems to support a proactive and long-horizon artificial intelligence product.
Manage tasks from beginning to end, covering data preparation, training, evaluation, inference, and continuous iteration.
Convert research concepts into operational systems functioning reliably within production environments.
Troubleshoot model failures and system defects utilizing actual production data.
Collaborate alongside research, product, and engineering colleagues to deliver tangible user value.
Guide and evaluate contributions from peer machine learning engineers through technical leadership.
Navigate production limitations involving latency, cost, reliability, and safety.

Requirements

Experience building and deploying machine learning systems utilized by actual users.
Familiarity with the operational behaviors and failure modes of modern machine learning models in production.
Ability to produce robust, production-ready code with a systematic engineering approach.
Capability to take complete ownership, operate autonomously, and finalize initiatives.
Aptitude for rapid learning, clear communication, and iterative enhancement.

Skills and Tools

Python
PyTorch
JAX
GPU-based training and inference systems

About the Company

Actai builds proactive applications intended for users globally who are unaccustomed to complex prompting, aiming to introduce intelligence into conversations, errands, organization, and workflows. The company focuses on achieving high reliability for long-running workflows, persistent context, and real-world task completion to minimize application hallucinations.

How to Apply

Interested candidates should apply directly on the official company careers page.

Skills and tech stack

Questions candidates ask

What is the location of this job?

This role is located in the United Kingdom.

What technical stack is used in this role?

The tech stack includes Python, PyTorch, JAX, and GPU-based training and inference systems.

What are the primary responsibilities regarding machine learning systems?

Responsibilities include building core machine learning systems, managing end-to-end pipelines from data preparation to inference, turning research into production systems, debugging model failures, and mentoring peer engineers.

What is the interview process like?

The interview process consists of three to four interviews conducted through virtual meetings and/or onsite sessions, evaluated by technical team members.

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site