Key skills
Machine Learning systemsPythonPyTorchTensorFlowLLMsembeddingsMLOps experienceMentoringCollaborationAIMachine LearningMLGenerative AIMLOpsCI/CD
About this role
Harnham is a remote-first product and engineering organization building AI-powered systems that enhance collaboration and decision-making. They are seeking a Senior Machine Learning Engineer to design and ship production AI systems, focusing on applied machine learning and real product impact.
Responsibilities:
- Build and deploy generative AI and RAG systems embedded into real user workflows
- Design and maintain scalable data pipelines for training, evaluation, and continuous improvement
- Implement human-in-the-loop processes to improve model quality and reduce hallucinations
- Partner with product and engineering teams to deliver high-impact, user-facing AI capabilities
- Contribute to training, inference, monitoring, and production deployment infrastructure
Requirements:
- 5+ years building and shipping production machine learning systems
- Strong Python experience with PyTorch or TensorFlow
- Experience with LLMs, embeddings, retrieval systems, or ranking architectures
- Demonstrated ownership of ML systems end-to-end (data to model to serving to iteration)
- Comfortable mentoring others and raising the technical bar
- MLOps or ML infrastructure experience (CI/CD, observability, automation)
- Experience building AI systems in collaborative or workflow-driven environments