AI Engineer

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

AI Engineer### AI EngineerApply: Boston: Hingham: Full time: Posted 3 Days Ago: R08938## **Ready to help us transform healthcare? Bring your true colors to blue.****About the Role**We are looking for an AI Engineer to join our AI Engineering team focused on designing, building, and deploying intelligent AI assistants powered by Google Cloud Platform (GCP) and Vertex AI. You will work at the intersection of large language models, cloud infrastructure, and product engineering to deliver conversational AI experiences that drive real business value.**What You'll Do*** Design and develop AI assistants using Vertex AI, including model selection, prompt engineering, grounding, retrieval-augmented generation (RAG), and agent orchestration.* Build intelligent, multi-step AI agents using the Google Agent Development Kit (ADK), designing agent architectures with tool use, sub-agents, callbacks, and session management for complex conversational workflows.* Develop and integrate applications using the Google Cloud AI/ML SDKs (Vertex AI SDK for Python, Google Gen AI SDK) for programmatic access to foundation models, embeddings, tuning, and prediction endpoints.* Design agentic architectures leveraging ADK's orchestration capabilities including sequential agents, loop agents, parallel agents, and custom agent hierarchies to handle multi-turn, multi-domain use cases.* Implement tool and function calling patterns within ADK agents, connecting them to enterprise APIs, databases, and external services to enable grounded, domain-specific responses.* Implement responsible AI practices including safety filters, bias detection, guardrails, hallucination mitigation, and content moderation.* Architect scalable, production-grade solutions using Vertex AI Agent Builder, Vertex AI Search, Cloud Run, Cloud Functions, Pub/Sub, BigQuery, and other GCP services.* Develop evaluation and monitoring frameworks to measure assistant quality, latency, cost, and user satisfaction in production — including ADK's built-in evaluation and tracing capabilities.* Collaborate with product managers, data engineers, and business stakeholders to translate requirements into AI-powered solutions.* Stay current with the rapidly evolving AI landscape, evaluate emerging models, tools, and techniques, and recommend adoption where appropriate.**Required Qualifications*** Bachelor's or Master's degree in Computer Science, Machine Learning, Data Science, or a related field (or equivalent practical experience).* 5+ years of experience in software engineering, with at least 2+ years focused on AI/ML or LLM-based agentic development.* Hands-on experience with **Google Cloud Platform** services, particularly BigQuery, Cloud Storage, Cloud Run, or Cloud Functions.* Hands-on experience with **Vertex AI Agent Builder**, Vertex AI Search, or Dialogflow CX.* Hands-on experience Experience with Google Cloud SDKs (Vertex AI SDK, Google Gen AI SDK) for model invocation, tuning, and deployment workflows.* Strong proficiency in **Python** and familiarity with ML/AI frameworks and libraries (e.g., LangChain, LlamaIndex, TensorFlow, PyTorch).* Experience building agentic applications that leverage **large language models (LLMs)** — including prompt engineering, function calling, embeddings, and retrieval-augmented generation.* Solid understanding of **API design**, microservices architecture, and cloud-native development patterns.* Familiarity with **version control (Git)**, CI/CD pipelines, and Infrastructure as Code (e.g., Terraform, Cloud Build).**Preferred Qualifications*** Google Cloud certifications (e.g., Professional Machine Learning Engineer, Professional Cloud Architect).* Exposure to **multi-agent architectures**, tool-use patterns, and agentic AI frameworks.* Experience with **vector databases** (e.g., Vertex AI Vector Search, AlloyDB, Pinecone, Weaviate) and embedding-based retrieval.* Knowledge of **MLOps** practices including experiment tracking, model versioning, A/B testing, and monitoring in production.* Experience working in regulated industries (healthcare, finance, insurance) with an understanding of data privacy and compliance requirements.## Minimum Education Requirements:High school degree or equivalent required unless otherwise noted above## LocationBoston, Hingham## Time TypeFull timeSalary Range: $140,310.00 - $171,490.00 The job posting range is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. We may ultimately pay more or less than the posted range, and the range may be modified in the future. An employee’s pay position within the salary range will be based on several factors including, but limited to, relevant education, qualifications, certifications, experience, skills, performance, shift, travel requirements, sales or revenue-based metrics, and business or organizational needs and affordability.This job is also eligible for variable pay.We offer comprehensive package of benefits including paid time off, medical/dental/vision insurance, 401(k), and a suite of well-being benefits to eligible employees.Note: No amount of pay is considered to be wages or compensation until such amount is earned, vested, and determinable. The amount and availability of any bonus, commission, or any other form of compensation that are allocable to a particular employee remains in the Company's sole discretion unless and until paid and may be modified at the Company’s sole discretion, consistent with the law.**WHY Blue Cross Blue Shield of MA?**We understand that the**confidence gap** and**imposter syndrome** can prevent amazing candidates coming our way, so please don’t hesitate to apply. We’d love to hear from you. You might be just what we need for this role or possibly another one at Blue Cross Blue Shield of MA. The more voices we have represented and amplified in our business, the more we will all thrive, contribute, and be brilliant. We encourage you to bring us your true colors, , your perspectives, and your experiences. It’s in our differences that we will remain relentless in our pursuit to transform healthcare for ALL.As an employer, we are committed to investing in your development and providing the necessary resources to enable your success. Learn how we are dedicated to creating an inclusive and rewarding workplace that promotes excellence and provides opportunities for employees to forge their unique career path by visiting our Company Culture page. If this sounds like something you’d like to be a part of, we’d love to hear from you. You can also join our Talent Community to stay “in the know” on all things Blue.At Blue Cross Blue Shield of Massachusetts, we believe in wellness and that work/life balance is a key part of associate wellbeing. For more information on how we work and support that work/life balance visit our \"How We Work\" Page.