AI Engineer: Build Conversational AI with Vertex AI

Blue Cross and Blue Shield of Massachusetts Inc.; Boston (MA); On-site; USD 140,000 - 171,000; Full time

Job summary

Blue Cross and Blue Shield of Massachusetts, Inc. in Boston/Hingham is seeking an AI Engineer to design, build, and deploy intelligent assistants on Vertex AI, combining LLMs, cloud infra, and product engineering to drive healthcare value.

You will architect multi-step AI agents, integrate ADK tool use, embeddings, and RAG, and implement responsible AI practices with strong Python and GCP expertise.

Qualifications

• 5+ years of software engineering with 2+ years in AI/ML or LLM-based agent development.
• Hands-on experience with Google Cloud Platform (BigQuery, Cloud Storage, Cloud Run or Cloud Functions).
• Experience with Vertex AI Agent Builder, Vertex AI Search, or Dialogflow CX.
• Proficient in Python and ML frameworks (LangChain, LlamaIndex, TensorFlow, PyTorch).
• Experience building LLM-based agent applications with prompt engineering, function calling, embeddings, and RAG.

Responsibilities

• Design and develop AI assistants using Vertex AI and prompt engineering.
• Build multi-step AI agents with ADK, including tool use and sub-agents.
• Develop apps with Vertex AI SDKs for models and endpoints.
• Design ADK orchestration for sequential, loop, parallel agents.
• Implement tool calling patterns connecting to APIs and databases.
• Apply responsible AI practices: safety filters, bias detection, guardrails.
• Architect scalable solutions using Vertex AI and GCP services.
• Develop evaluation/monitoring for quality, latency, cost, and user satisfaction.

Skills

Python

LangChain

LlamaIndex

TensorFlow

PyTorch

Prompt engineering

Function calling

Embeddings

RAG

LLMs

APIs

Microservices

Git

CI/CD

Terraform

Cloud Build

Vertex AI

BigQuery

Cloud Run

Dialogflow CX

Google Cloud

Vertex AI Agent Builder

Vertex AI Search

Google Cloud SDKs

Education

Bachelor's or Master's in Computer Science or related field

Tools

Vertex AI Agent Builder

Vertex AI Search

Dialogflow CX

Google Cloud SDKs

Vertex AI SDK

BigQuery

Cloud Run

Job description

Blue Cross and Blue Shield of Massachusetts, Inc. in Boston/Hingham is seeking an AI Engineer to design, build, and deploy intelligent assistants on Vertex AI, combining LLMs, cloud infra, and product engineering to drive healthcare value.

You will architect multi-step AI agents, integrate ADK tool use, embeddings, and RAG, and implement responsible AI practices with strong Python and GCP expertise.