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Member of Technical Staff, Machine Learning

bjakcareerGermanyActAI 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

This role suits engineers who want to build production machine learning systems and develop strong systems judgment through hands-on iteration. The Member of Technical Staff, Machine Learning position is located in Germany and involves creating proactive applications with minimal prompting.

Role Overview

ACTAI is seeking a Member of Technical Staff, Machine Learning to join the team in Germany. The organization focuses on developing proactive applications for users worldwide, organizing daily life through reliable long-running workflows, persistent context, and real-world task completion.

Key Responsibilities

Build and improve machine learning components covering data, training, evaluation, and inference.
Fine-tune and adapt models as part of larger production systems.
Implement evaluation and testing procedures to understand model behavior.
Build and maintain data pipelines utilizing real-world and synthetic data.
Debug model issues, performance bottlenecks, and production incidents.
Ship iterative improvements and incorporate real user feedback.
Collaborate with senior machine learning engineers and product teams.
Operate within production constraints including latency, cost, reliability, and safety.

Requirements

Strong foundations in machine learning and modern neural architectures.
Hands-on experience in training, fine-tuning, or deploying machine learning models.
Ability to write production-quality code and learn new tools quickly.
Curiosity, coachability, and eagerness to learn from real production systems.
Ability to navigate ambiguity with guidance and grow ownership over time.
Bias toward shipping, iteration, and continuous improvement.

Skills and Tools

Python
PyTorch
JAX
Production ML systems running on GPUs

About the Company

ACTAI builds proactive applications designed to bring intelligence to conversations, errands, organizing, and workflows with minimal prompting. The product focus centers on high reliability for long-running workflows, persistent context, and real-world task completion while reducing hallucinations. The company operates as a small, high-talent-density team that makes collective decisions and moves rapidly.

How to Apply

Interested candidates should apply on the official company careers page.

Skills and tech stack

Questions candidates ask

Where is the Member of Technical Staff, Machine Learning position located?

The role is located in Germany.

What technologies and tools are used in this role?

The tech stack includes Python, PyTorch or JAX, and production machine learning systems running on GPUs.

What is the primary mission of ACTAI?

The mission is to build proactive applications for users globally who are not used to complex prompting, bringing intelligence to conversations, errands, organizing, and workflows.

What does the interview process involve?

The process consists of 3 to no more than 4 interviews conducted via virtual meetings and/or onsite, evaluated by technical team members.

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site