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AI/ML Engineer

Flexton Inc.

Milpitas · On-site Contract Senior 2w ago

About the role

About the Role

  • 5+ years of hands-on experience in machine learning and AI engineering, with a focus on NLP/LLMs.
  • Proven experience building production-grade Agentic AI systems (tool-calling agents, multi-agent orchestration, autonomous workflows).
  • Strong Python skills; proficiency with PyTorch or TensorFlow and HuggingFace Transformers.
  • Experience with LLM fine-tuning techniques: LoRA, QLoRA, RLHF, or instruction-tuning.
  • Hands-on with vector search, embeddings, and semantic retrieval (RAG architecture).
  • Solid understanding of prompt engineering, chain-of-thought prompting, and agent memory patterns.
  • BS/MS/PhD in Computer Science, AI/ML, or a closely related field

Skills

HuggingFace TransformersLLM fine-tuningLoRAPythonPyTorchQLoRARLHFTensorFlowagent memory patternsautonomous workflowschain-of-thought promptingembeddingsmachine learningmulti-agent orchestrationnatural language processingprompt engineeringsemantic retrievaltool-calling agentsvector search

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