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Posted on 2026/10/09

Generative AI Engineer

J2B Global LLC

Los Angeles, CA, United States

Full-time

Generative AI Engineer

C2C

Los Angeles, CA

Visa: Any

Job Summary

Generative AI Engineer responsible for building and deploying production-ready GenAI applications, RAG pipelines, LLM integrations, model fine-tuning, prompt workflows, and AI evaluation solutions for entertainment and customer care use cases.

Application Development & Integration

  • Build, test, and maintain GenAI applications using Python, LangChain, LlamaIndex, and microservices.
  • Develop high-accuracy RAG pipelines for content metadata, sports statistics, and knowledge bases.
  • Integrate LLM endpoints with client applications across Gemini OS, iOS, Android, and Smart TV using REST APIs and WebSockets.

Model Fine-Tuning & Evaluation

  • Fine-tune open-source models such as Llama and Mistral using LoRA/QLoRA.
  • Build automated evaluation suites using tools such as Ragas and TruLens to measure hallucinations, latency, relevance, and response accuracy.

Prompt Engineering & Orchestration

  • Develop, optimize, and version-control prompts and AI agent workflows.
  • Implement fallback logic, circuit breakers, and guardrails using NeMo Guardrails or Guardrails AI.

Operations & Collaboration

  • Work with MLOps and Cloud Engineering teams to support CI/CD for model artifacts and vector index updates.
  • Monitor production inference latency, token usage, errors, and overall system reliability.

Required Skills

  • Bachelor’s or Master’s degree in Computer Science, Data Science, AI, Software Engineering, or related field.
  • 3+ years of software engineering experience, including 1.5–2+ years building and deploying Generative AI or NLP applications in production.
  • Strong Python development and modern API development using FastAPI or Flask.
  • Hands-on experience with LangChain and LlamaIndex.
  • Experience with vector databases such as Pinecone, Chroma, or Qdrant.
  • Experience with OpenAI or Amazon Bedrock APIs.
  • Experience with Git workflows, Docker, Kubernetes, and cloud deployment on AWS, GCP, or Azure.
  • Strong problem-solving skills and ability to adapt to rapidly evolving AI technologies.
  • Interest in entertainment and video technologies.