Daniel McGrath

Software engineer based in Boston, MA

I'm a full-stack and backend software engineer. I work mostly with Java and React, with hands-on experience in JavaFX, Next.js, Docker, and AWS.

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Experience

• Software Engineer II, Klaviyo

  Oct 2025 to present · Boston, MA

  Full-stack work on Klaviyo's social channel, connecting Instagram DMs and other social touchpoints to the platform.

• Software Developer, DeVil-Tech

  Oct 2022 to Aug 2025 · Stafford, VA

  Built a segmented thread-pooling system that eliminated UI freezes, re-architected the messaging backend, and added 3D tracking of orbital objects and vessels.

• Software Dev Engineer, Criteo

  Jan 2022 to Oct 2022 · Boston, MA

  Enhanced analytics dashboards using Apache Spark, Hive, and Vertica.

• Part-time Software Developer Intern, Criteo

  Aug 2021 to Jan 2022 · Boston, MA

  Built a browser extension in Angular and ASP.NET for a gamified online advertising experience.

• Part-time Junior Software Developer, DeVil-Tech

  Jul 2021 to Jan 2022

  Developed commercial and defense software using Iridium SATCOM, NMEA 183 and AIS messaging, and GIS capabilities.

• Co-op Web Developer, WHOOP

  Jan 2020 to Aug 2020 · Boston, MA

  Built a React user portal with Stripe and a Java Spring backend, plus internal data tools and monitoring.

• Co-op Programmer, MEDITECH

  Jan 2019 to Aug 2019 · Westwood, MA

  Developed a VS Code extension for scaffolding React Native code, and helped publish Angular libraries to npm.

Projects

• FabCutie

  A free, open-source parametric EQ for macOS and Windows in AU, VST3, CLAP, and standalone formats, with up to 24 bands, dynamic and spectral processing, EQ Match, and auto-unmasking between instances.

  • Up to 24 bands, with cuts from 6 to 96 dB/oct plus brickwall
  • Dynamic EQ and spectral dynamics that can tame a single resonance
  • EQ Sketch: draw a curve and get the bands that make it
  • EQ Match: move a track's tonal balance toward a reference
  • Resonance finder and auto-unmasking between tracks
  • Zero Latency, Natural Phase, and Linear Phase modes
  • Mono, stereo, and surround up to 9.1.6

• Home LLM Server

  An always-on Mac Studio that runs local models through Ollama, with a small MCP server that lets Claude hand off drafting, search, and transcription to them.

• EarGoo

  A web-based audio visualizer with real-time frequency analysis, built with Next.js and Supabase.

• SubTrack

  A subscription tracking and management API with automated reminders, built with Node.js, Express, and MongoDB.

• Cyclora

  A React Native cycling tracker with GPS rides, local storage, and AI ride summaries.

• Alcohol and Light Seeking Robot

  A college project at Northeastern University, from Nov 2017 to Mar 2018: a robot programmed in C++ that could seek out a source of light or alcohol in a dark room by following gradients.

• Locorum

  A JavaFX cross-platform desktop application at DeVil-Tech that provides situational awareness and geographic information system capabilities for emergency services.

Education

BS in Computer Engineering, Northeastern University, 2017 to Dec 2021

Coursework: Web Development, Machine Learning, Computer Vision, Object-Oriented Design, Digital Logic Design, Fundamentals of Engineering Algorithms, Fundamentals of Networks.

Interests

I mostly mix and master hip hop. I also brew mead, and my favorite batch is a spiced metheglin that tastes like apple pie.