Machine Learning Engineer I

About the company:

Most of what we build is back-office software for property managers, including lease tracking, work orders and tenant payments. Pinfold Systems builds scheduling and dispatch software for field service companies, from two-truck plumbing outfits to regional HVAC contractors. Laptops are MacBook Pros, and you pick your own editor.

The role:

The previous person in this role moved to another team. The operations team trains and serves models that run on every customer request. We need someone who cares about latency as much as accuracy. You can work from home anywhere in the US. We have no office requirement. Flexible hours with a daily team call in the morning. Most communication happens in Slack, with short video calls when needed.

What you'll be doing:

• Track experiments, artifacts and versions in MLflow or Weights & Biases
• Handle on-call for the ML services the team owns
• Build training pipelines in PyTorch or TensorFlow and run them on GPUs in AWS, GCP or Azure
• Deploy models behind low-latency APIs with FastAPI, Triton, TorchServe or vLLM
• Set up evaluation harnesses and regression tests for model quality
• Orchestrate pipelines with Kubeflow, SageMaker Pipelines, Vertex AI or Airflow

Skills and experience:

• Strong Python and solid engineering habits (testing, packaging, code review)
• Experience deploying models as services and monitoring them
• Knowledge of LLM APIs, prompt design and evaluation methods
• Hands-on experience with PyTorch, TensorFlow or JAX
• Comfortable with SQL and large-scale data processing in Spark or Ray

Preferred qualifications:

• Computer vision background (OpenCV, detection, segmentation)
• Recommendation or ranking systems at scale
• Distributed training with DeepSpeed or FSDP

Perks and benefits:

Rate: $116,000 - $146,000 annually

• Health insurance
• 401(k) with company match
• Three weeks of PTO to start
• Referral program
• Dental insurance
• Home office stipend
• Employee assistance program

EOE. We participate in E-Verify.

This position requires a background check.

Start: Immediately.

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