Job description
 
                         Job Title:  Generative AI Engineer (LLM Expert)
Location:  Remote
Employment Type:  Ongoing Contract
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
BigRio is seeking a highly skilled  Generative AI Engineer  with expert-level experience in  LLMs ,  OpenAI APIs ,  prompt engineering , and  retrieval-augmented generation (RAG) .
This is a  senior, hands-on role —ideal for someone who has already mastered these technologies and is ready to deliver production-ready solutions.
This is not a learning-on-the-job position.
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.
Experience with Vision Models
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.
 
                    
                    
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