Senior Generative AI Engineer (Contractor)

Harnham • Contract • New York, New York, United States • $60 - $65 / hour • 3h ago

A fast-moving product development team is seeking a contractor with strong generative AI experience to build customer-facing applications powered by large language models. This is not a research role - you'll design, fine-tune, and deploy production-ready systems, collaborating closely with product leaders and engineers.

Key Responsibilities:

Build and integrate LLM-based solutions into scalable web applications
Fine-tune models and evaluate performance in real-world settings
Rapidly prototype and iterate on generative AI features
Collaborate with product managers and full-stack engineers to deliver impactful features
Make architectural decisions balancing speed, scalability, and maintainability

What We're Looking For:

Proven experience deploying LLMs in production (open-source or proprietary)
Strong Python skills with mandatory experience using Autogen
Familiarity with LangChain is a plus
Background building AI-driven product features that deliver business value
Comfortable in fast-paced, collaborative environments

Nice to Have:

Experience with vector databases and embeddings (e.g., Pinecone, Weaviate)
Knowledge of prompt engineering and retrieval-augmented generation (RAG)
Familiarity with model evaluation techniques and performance tuning

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