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

Nov 2024 – Present
Boston, MA

Co-founder & CEO

Celna

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
Apr 2024 – Oct 2024
Hybrid

Software Engineer (SDE II)

Amazon Web Services

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
Aug 2022 – Mar 2024
Hybrid

Software Engineer (SDE I)

Amazon Web Services

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
May 2020 – Jul 2021
Remote & Boston, MA

Earlier Experience

Amazon, Klaviyo, Radius Technologies

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