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Principal Machine Learning Engineer

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

About this role

Bjakcareer seeks a Principal Machine Learning Engineer in the United States to lead the execution layer for proactive, AI-native applications. This hands-on position suits an experienced practitioner focused on turning machine learning research into reliable production systems.

Role Overview

The Principal Machine Learning Engineer at bjakcareer takes charge of the core intelligence infrastructure. The professional operates across the complete model lifecycle, handling data, training, evaluation, inference, and deployment to build reliable, scalable production systems.

Key Responsibilities

Manage the entire machine learning architecture from initial data and training phases through to inference and deployment.
Construct and develop training and fine-tuning workflows for large models.
Create evaluation frameworks to track capability, safety, robustness, and real-world performance.
Build high-performance inference platforms while managing latency, memory, GPU utilization, cost, and reliability.
Set up data pipelines that process real-world and synthetic training information.
Deploy production infrastructure to monitor and upgrade models continuously.

Requirements

Proven background in shipping production-grade machine learning systems rather than research demos.
Knowledge of modern large-model training, fine-tuning, inference, and evaluation.
Solid software engineering and systems design capabilities.
Practical background running machine learning workloads at scale using GPUs.
Independent problem-solving skills with a strong focus on measurement and delivery.

Skills and Tools

Python
PyTorch
JAX
GPU-based training and inference systems

About the Company

Bjakcareer operates as a small, high-talent-density team focused on building proactive applications that minimize complex prompting for users globally. The company emphasizes independent execution, fast decision-making, and strong engineering fundamentals.

How to Apply

Interested candidates should apply on the official company careers page.

Skills and tech stack

PythonPyTorchJAXGPU-based training and inference systemsMachine LearningFine-tuning

Questions candidates ask

What is the primary objective of the Principal Machine Learning Engineer role?

The role owns the execution layer of the company intelligence, translating research and model capabilities into reliable, scalable production systems.

What technologies and frameworks are required?

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

What does the interview process look like?

Candidates who fit the profile will go through three to four interviews conducted via virtual meetings and/or onsite.

Where is the job located?

The position is located in the United States.

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site