Amazon Web Services

Sergio Barraza

Enterprise Support Lead at AWS.

25+ years in software development. At AWS, I help customers design and optimize cloud solutions and guide them through AWS services adoption. I co-author AWS samples and blog posts on generative AI, AI agents with Amazon Bedrock AgentCore, voice AI with Amazon Nova Sonic, and FinOps.

LinkedIn GitHub Read my AWS posts
Photo of Sergio Barraza
15
AWS blog posts
12
AWS repos contributed to
10
Active AWS badges
25+
Years in software

01Featured work

Selected work

02Writing

AWS blog posts 15

Co-authored with AWS colleagues, mostly on the AWS Machine Learning (Artificial Intelligence) Blog.

  1. Build a voice travel concierge with Amazon Bedrock AgentCore, Managed Knowledge Base and Nova Sonic

    Voice concierge for an existing airline app: Nova 2.5 Sonic speech-to-speech on AgentCore Runtime, backend APIs as MCP tools via AgentCore Gateway, policy answers from Bedrock Knowledge Bases.

    with Ravi KumarAnkush GoyalSalman Ahmed

    AWS Machine Learning Blog
  2. Deploy a multimodal WhatsApp ordering assistant with Amazon Bedrock AgentCore

    WhatsApp ordering via text, voice notes and real-time calls on AgentCore and Amazon Nova 2, with shared memory.

    with Salman AhmedRavi Kumar

    AWS Machine Learning Blog
  3. Building a restaurant telephony AI host with Amazon Connect

    Phone ordering end to end with Amazon Connect, Connect Agentic Voice, Connect AI agents and AgentCore Gateway (MCP).

    with Salman AhmedRavi Kumar

    AWS Machine Learning Blog
  4. Build a serverless image editing agent with Amazon Bedrock AgentCore harness

    Natural-language image editor on AgentCore harness with zero orchestration code, deployed with AWS CDK.

    with Salman AhmedRavi Kumar

    AWS Machine Learning Blog
  5. Omnichannel ordering with Amazon Bedrock AgentCore and Amazon Nova 2 Sonic

    Real-time voice ordering across mobile, web and voice interfaces.

    with Salman AhmedRavi Kumar

    AWS Machine Learning Blog
  6. Build a FinOps agent using Amazon Bedrock AgentCore

    Conversational multi-account cost agent over Cost Explorer, Budgets and Compute Optimizer.

    with Salman AhmedRavi Kumar

    AWS Machine Learning Blog
  7. Building an AI powered system for compliance evidence collection

    Architecture and deployment of an AI system that automates compliance evidence collection.

    with Ravi KumarSalman Ahmed

    AWS Machine Learning Blog
  8. Integrating Amazon Bedrock AgentCore with Slack

    Reusable Slack-to-AgentCore layer: webhook verification, SQS async processing, thread sessions, AgentCore Memory.

    with Salman AhmedRavi Kumar

    AWS Machine Learning Blog
  9. Voice AI-powered drive-thru ordering with Amazon Nova Sonic and dynamic menu displays

    Quick-service-restaurant drive-thru combining Nova Sonic voice AI with interactive menu boards.

    with Salman AhmedAnkush GoyalLeland JohnsonRavi Kumar

    AWS Machine Learning Blog
  10. Build a conversational natural language interface for Amazon Athena queries using Amazon Nova

    Bedrock Agents with Nova Lite translate natural language into Athena queries (CUR example).

    with Ravi KumarSalman Ahmed

    AWS Machine Learning Blog
  11. Optimizing ODCR usage through AI-powered capacity insights

    AI-driven insights for managing EC2 On-Demand Capacity Reservations.

    with Ankush GoyalSalman AhmedRavi Kumar

    AWS Compute Blog
  12. Integrate Amazon Bedrock Agents with Slack

    Bring Amazon Bedrock Agents into a Slack workspace.

    with Salman AhmedAnkush GoyalRavi Kumar

    AWS Machine Learning Blog
  13. Build a FinOps agent using Amazon Bedrock with multi-agent capability and Amazon Nova as the foundation model

    Multi-agent Bedrock solution on Amazon Nova for AWS cost analysis.

    with Salman AhmedAnkush GoyalRavi Kumar

    AWS Machine Learning Blog
  14. Building a virtual meteorologist using Amazon Bedrock Agents

    Weather agent with Bedrock Agents, Amazon Cognito, AWS Lambda and AWS Amplify.

    with Salman AhmedAnkush GoyalRavi Kumar

    AWS Machine Learning Blog
  15. Deploy a serverless web application to edit images using Amazon Bedrock

    Serverless prompt-based image editing with an Amazon Titan image model.

    with Salman AhmedAnkush GoyalRavi Kumar

    AWS Machine Learning Blog

03Code

AWS solutions on GitHub

Repositories in AWS organizations with my commits. Stars as of Sep 30, 2026.

Related solutions from my posts

Companion samples linked from posts I co-authored. Code by the broader author team.

04Lab & hardware

Personal projects

Things I build on my own time. Stars as of Oct 26, 2026.

05Collaborators

Built together

The work on this site is built together with these two.

06Talks & credentials

On stage & certified

Certifications 10

Active badges, verified on Credly.

08Contact

Let's connect

linkedin.com/in/hadock github.com/hadock Credly badges

Beyond work: multi-instrument musician (guitar, piano, drums) and wing chun kung fu practitioner.