Matt Carroll

Hey, here's a bit about me

I like building both digital and physical projects. This page is the home of some of the those projects and stuff I've worked on!

Projects

Experience

Full Stack Engineer, Agents

ElevenLabs
Feb 2026 – Present · Remote

Building and scaling conversational AI agents, with a focus on evaluating and improving agent conversational capabilities.

Co-founder & CEO

Celna
Nov 2024 – Jan 2026 · Boston, MA

Co-founding Celna and leading technical architecture for an encrypted data platform that evolved into an MCP multiplexing service.

  • Designed and built an end-to-end encrypted cross-device sync system with per-user keys, shared state, and server-opaque storage
  • Architected and ran a Kubernetes platform on EKS spanning FastAPI/Java services, Redis, Kafka, Keycloak, and Qdrant with automated CloudFormation + Jenkins delivery
  • Evolved the product into an MCP multiplexing layer with dynamic OAuth, credential management, and permissioning across connectors
  • Created an automated MCP connector builder combining templated CloudFormation, Jenkins, and code scaffolding for rapid new integrations

Software Engineer (SDE II)

Amazon Web Services
Apr 2024 – Oct 2024 · Hybrid

Led key infrastructure efforts for the AWS DMS × Amazon RDS Zero-ETL partnership.

  • Owned infrastructure build-out, billing and entitlements, and core platform setup for the Zero-ETL integration
  • Co-designed core Zero-ETL architecture leveraging Fargate, Lambda, SQS, S3, and internal DMS services in partnership with adjacent orgs
  • Built and maintained multi-region CI/CD pipelines with automated deployments to 30+ AWS regions
  • Led onboarding and mentorship for most new engineers on the team and authored runbooks and checklists
  • Served as Security Guardian, ensuring secure defaults and facilitating reviews

Software Engineer (SDE I)

Amazon Web Services
Aug 2022 – Mar 2024 · Hybrid

Delivered large-scale data migration capabilities within AWS Database Migration Service.

  • Shipped the AWS DMS → Amazon Timestream endpoint covering initial load and CDC across C/C++ engine code and Java services
  • Led a major engine release for DMS and authored team-wide major-version rollout guidelines
  • Implemented streaming targets for Kinesis and Kafka, handling complex type mapping and high-throughput ingestion
  • Built and operated automated release and deployment pipelines to boost reliability and developer velocity

Earlier Experience

Amazon, Klaviyo, Radius Technologies
May 2020 – Jul 2021 · Remote & Boston, MA

Internships spanning database migrations, developer tooling, and mobile applications.

  • Amazon — SDE Intern, DMS (May 2021 – Jul 2021): prototyped DMS migration to Amazon Timestream across C/C++ and Java
  • Klaviyo — Software Engineering Intern (Jan 2021 – Apr 2021): delivered React features and Selenium tooling for performance and asset audits
  • Radius Technologies — Software Engineering Intern (May 2020 – Aug 2020): built Swift/React Native apps with Apple Vision and Firebase/AWS backends

Skills & Technologies

  • Languages: Java (advanced), Python (advanced), C/C++ (intermediate), JavaScript/TypeScript, SQL
  • Cloud & Infra: AWS (DMS, RDS, Lambda, Fargate, SQS, S3, EKS, IAM), Kubernetes, CloudFormation, Jenkins, Docker
  • Data & Streaming: Amazon Timestream, PostgreSQL/MySQL, Kafka/Kinesis, Redis, Qdrant
  • Security: IAM design, Keycloak, service-to-service authentication, Security Guardian best practices
  • Frameworks: FastAPI, Next.js, React Native

Education

Georgia Institute of Technology
B.S. in Computer Science
Atlanta, GA • September 2018 - May 2022
Threads: Artificial Intelligence and Info-Internetworks
GPA: 3.9
Relevant Coursework: Natural Language Processing • Computer Vision • Honors Algorithms • Systems & Networks • Databases

Let's work together

I'm always interested in hearing about new projects and opportunities.

Get in touch