Generative AI Engineer (LLM Expert)

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About BigRio

BigRio is a Boston-based, remote-first technology consulting firm specializing in advanced data and software solutions. We partner with forward-thinking organizations to deliver scalable, cost-effective, and innovative technology, with particular expertise in AI/ML, data engineering, and cloud-native applications. Our clients span healthcare, life sciences, government, and enterprise sectors, and we are known for our ability to tackle complex challenges with cutting-edge solutions.

About the Role

Generative AI Engineer

You will work with our internal team and clients to design, build, and optimize AI-powered applications with high-performance standards and robust infrastructure integration.

Key Responsibilities

• Design and implement LLM-driven features using

  OpenAI API

  (including reasoning vs. non-reasoning models, model versioning, temperature settings, and best practices).
• Apply advanced

  prompt engineering

  and

  model tuning

  techniques to drive performance and accuracy.
• Build

  retrieval-augmented generation (RAG)

  systems using

  Langchain

  and

  ChromaDB

  .
• Develop interactive AI tools and UIs using

  Gradio

  .
• Ensure seamless

  SSO integration

  and secure access controls.
• Implement

  Dockerized

  environments for scalable deployments.
• Connect and automate data pipelines including

  Google Drive integration

  .
• Write clean, maintainable code in

  Python

  , and contribute to a collaborative, agile development environment.

Required Qualifications

• 3–5+ years of experience in AI/ML development, with proven,

  expert-level hands-on work in LLMs and Generative AI

  .
• Mastery of the

  OpenAI API

  , including reasoning capabilities, temperature control, and fine-tuning parameters.
• Deep experience with

  prompt engineering

  and AI response optimization.
• Strong Python development skills.
• Production-level experience with

  Langchain

  ,

  ChromaDB

  , and

  RAG architectures

  .
• Proficiency with

  Gradio

  for front-end prototyping.
• Experience with

  Docker

  ,

  SSO

  , and

  cloud API integrations

  (e.g., Google Drive).
• Strong problem-solving and communication skills.
• Comfortable working independently and collaborating across time zones.

Nice to Have

• Experience with other vector databases and frameworks.
• Familiarity with MLOps or AI infrastructure tooling.

Previous experience in healthcare, biotech, or highly regulated domains.

Equal Opportunity Statement:

BigRio is an equal-opportunity employer committed to creating a diverse and inclusive workplace. We value and promote diversity and prohibit discrimination based on various factors outlined by federal, state, or local laws. All qualified applicants will receive equal consideration for employment.