Lead AI ML Engineer at c2c hiring Sunnyvale, CA

Role: Lead AI ML Engineer
Location: Sunnyvale, CA (Onsite)
Job type: Contract
Exp: 10+ Years

Job Summary:
We’re looking for a Lead AI/ML Engineer with 10+ years of experience to drive the development and deployment of cutting-edge AI solutions. The ideal candidate will have deep expertise in machine learning, deep learning, NLP, time series forecasting, and Generative AI (incl. RAG), with hands-on experience across the AWS ecosystem.

Key Responsibilities:
• Lead design and deployment of ML/AI models for NLP, GenAI, time series forecasting, and classification problems.
• Build and optimize RAG pipelines using vector databases (FAISS, Pinecone) and large language models.
• Develop and fine-tune LLMs using frameworks like HuggingFace, LangChain, OpenAI APIs.
• Architect scalable, production-grade ML systems using AWS services: SageMaker, Lambda, ECS Fargate, S3, Athena.
• Implement MLOps best practices: CI/CD, model monitoring, and retraining workflows.
• Guide team on model selection, feature engineering, and hyperparameter tuning.
• Stay current with AI trends and mentor junior engineers.

Required Skills:
• Strong in ML, Deep Learning (CNNs, RNNs, Transformers), Time Series Models (ARIMA, Prophet, LSTMs).
• Advanced NLP: embeddings, summarization, Q&A, sentiment analysis.
• Proven experience with Generative AI and Retrieval-Augmented Generation (RAG).
• Hands-on with Python, TensorFlow, PyTorch, scikit-learn, HuggingFace.
• Expertise in AWS AI stack: SageMaker, Lambda, API Gateway, S3, IAM.
• Experience with Docker, Git, CI/CD, and ML pipeline orchestration.