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Machine Learning Engineer

Job in Westbrook, Cumberland County, Maine, 04098, USA
Listing for: Hashorn
Full Time position
Listed on 2026-07-15
Job specializations:
  • Software Development
    Machine Learning/ ML Engineer, AI Engineer (Applied/Software)
Salary/Wage Range or Industry Benchmark: 120000 - 190000 USD Yearly USD 120000.00 190000.00 YEAR
Job Description & How to Apply Below

About The Role

You’ll work on real customer ML problems: recommendation engines, classifiers, anomaly detectors, LLM‑powered features. You’ll partner with our MLOps engineers (so you’re not on your own when it’s time to ship) and customer data scientists (so you’re not flying blind on the domain).

What you’ll do
  • Translate customer business problems into ML problem statements with clear evaluation criteria.
  • Train, evaluate, and harden models, including the unglamorous work of dataset curation and labeling pipelines.
  • Build evaluation suites that catch regressions before they hit production.
  • Build LLM‑backed features: prompt engineering, RAG, agent orchestration, eval pipelines.
  • Pair with MLOps to ship; pair with QA to test; pair with security to threat‑model.
What you bring
  • 5+ years training and shipping ML models to production.
  • Strong Python; deep knowledge of at least one of PyTorch, Tensor Flow, or JAX.
  • Practical experience with evaluation: held‑out tests, online metrics, A/B frameworks.
  • Track record of moving past notebooks: CI for training, model versioning, feature engineering at production scale.
  • Written communication good enough to explain trade‑offs to non‑ML stakeholders.
Nice to have
  • LLM eval frameworks (Tru Lens, Deep Eval, Promptfoo).
  • Recommendation systems / classical ML at scale.
  • Causal‑inference or experimentation experience.
Compensation

Competitive global rate, scaled to experience and engagement. Profit‑share for full‑time hires.

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