Matt Creenan

Principal Engineer

Totality LMS (a Valmar Holdings company)

Senior Staff Engineer

Torch

• Designed and shipped a company-wide AI Slack agent that answers employee questions grounded in our help content, live operational data, and codebases — our sources of truth — with guardrails for safe, accurate responses.
• Built in-product LLM features — a coaching chat assistant, summarization, and light RAG over our content.
• Built AI-native development workflows — authoring custom agents, skills, and routines for support triage, QA testing, and a daily engineering brief.
• Led the team between engineering managers, providing technical direction and continuity through the transition.
• Built internal developer tools that streamline common tedious tasks.
• Led the greenfield rebuild of the frontend platform — new design system, monorepo, modern tooling — and migrated the coaching and participant experiences onto it.
• Overhauled the local development setup with automated provisioning so every system component can run end-to-end on a single machine.

Engineering Manager, Data

Delaware North

Managed 4 senior engineers across the data platform, integrations, and new solutions, stabilizing the legacy platform through the post-COVID transition to keep critical reporting flows live.

Senior SOA Engineer, Senior Data Engineer

Delaware North

Built a data platform from scratch for a critical BI project (99.9%+ API uptime through 2022), developed ETL processes including a custom serverless pipeline framework, and delivered multiple stand-alone solutions for business projects.

Senior Programmer

LocalNet / CoreComm / Exhibio LLC

Drove a stalled multi-tier web application to launch, built a new ISP billing system from scratch, and deployed a Haraka (Node.js) SMTP server with custom plugins integrating internal systems.

Vendor Integrations Engineer, Lead Engineer

Synacor — Williamsville, NY

Led design and development of a greenfield platform for internal and external tooling, drove the team's adoption of agile practices as Scrum Master, and mentored junior developers while introducing new technologies like Riak and Solr.