Senior ML Engineer

Public sector agencies, utilities and large health systems license our asset management platform under multi-year contracts. Most engineers work remotely and come into the office one week a quarter for planning.

Position summary

Selwyn Digital has an opening for a Senior ML Engineer. The operations team trains and serves models that run on every customer request. We need someone who cares about latency as much as accuracy. We're looking for an engineer to build retrieval-augmented generation features on hosted and open-weight language models, with proper evaluation. This role is fully remote within the US. You need a reliable internet connection and somewhere quiet to work.

Responsibilities

• Track experiments, artifacts and versions in MLflow or Weights & Biases
• Deploy models behind low-latency APIs with FastAPI, Triton, TorchServe or vLLM
• Fine-tune open-weight models with LoRA when it beats prompting
• Orchestrate pipelines with Kubeflow, SageMaker Pipelines, Vertex AI or Airflow
• Handle on-call for the ML services the team owns
• Maintain feature pipelines and a feature store such as Feast or Tecton
• Set up evaluation harnesses and regression tests for model quality

Minimum qualifications

• BS or MS in computer science, engineering or a related field
• Familiarity with Docker, Kubernetes and a cloud ML platform (SageMaker, Vertex AI, Azure ML)
• Hands-on experience with PyTorch, TensorFlow or JAX
• Understanding of core ML concepts: overfitting, evaluation metrics, bias in training data
• Strong Python and solid engineering habits (testing, packaging, code review)
• Knowledge of LLM APIs, prompt design and evaluation methods

Compensation and benefits

Salary: $215,000-$245,000 per year

• Health insurance
• 401(k) with a 100% match up to 5%
• Paid parental leave
• Three weeks of PTO to start
• Short- and long-term disability
• Employee assistance program

Selwyn Digital is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Interview process: a phone call, a meeting with the hiring manager, and a final conversation with the team.

Start: Flexible.

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