Junior Machine Learning Engineer

More than 9,000 organisations use our HR and payroll suite, from regional hospitals to school districts. On-call rotates weekly and pays a flat stipend whether or not the pager goes off.

Overview

Brassline has an opening for a Junior Machine Learning Engineer. ML engineering role focused on pipelines, serving and monitoring. You'll work alongside data scientists rather than replace them. You can work from home anywhere in the UK. We have no office requirement. Normal working hours, Monday to Friday.

In this role you will

• Write clean, tested Python and review teammates' code.
• Track experiments, artifacts and versions in MLflow or Weights & Biases.
• Build training pipelines in PyTorch or TensorFlow and run them on GPUs in AWS, GCP or Azure.
• Productionize data science prototypes without rewriting everything.
• Document model cards, data sources and known failure modes.
• Deploy models behind low-latency APIs with FastAPI, Triton, TorchServe or vLLM.

Required qualifications

• 0-2 years of software engineering experience, with at least two spent on ML systems in production.
• BS or MS in computer science, engineering or a related field.
• Experience deploying models as services and monitoring them.
• Hands-on experience with PyTorch, TensorFlow or JAX.
• Understanding of core ML concepts: overfitting, evaluation metrics, bias in training data.
• Comfortable with SQL and large-scale data processing in Spark or Ray.
• Knowledge of LLM APIs, prompt design and evaluation methods.

Nice to have

• Distributed training with DeepSpeed or FSDP.
• Recommendation or ranking systems at scale.
• Guardrails, red teaming or safety evaluation for LLM features.

Perks and benefits

• Private medical insurance.
• Workplace pension.
• 28 days annual leave including bank holidays.

Start: Immediately.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Brassline Ltd.