Phil Arfuso
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Full-stack software engineer

Full Stack Software Engineer with 8+ years of experience architecting, developing, and optimizing data-driven web applications. Builds maintainable systems spanning complex business logic, multi-market data models, real-time interfaces, and cloud infrastructure. Experienced in technical leadership, legacy modernization, reusable platform design, and cross-functional product delivery across React, React Native, Node.js, and cloud infrastructure. Also co-founded a part-time digital agency delivering modern web, SEO, and analytics solutions for service businesses.

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Cliffside Park, NJ 07010(201) 638-1769arfusop@gmail.comLinkedIn GitHub

Skills

Core technologies

Languages & frameworks

  • JavaScript
  • TypeScript
  • React
  • React Native
  • Next.js
  • Node.js
  • Express
  • GraphQL
  • Apollo
  • Remix

Data & architecture

  • PostgreSQL
  • MongoDB
  • MySQL
  • Prisma
  • Supabase
  • Firebase
  • REST APIs
  • Microservices
  • WebSockets

Infrastructure & quality

  • AWS
  • Docker
  • GitHub Actions
  • Jenkins
  • CI/CD
  • Jest
  • Playwright
  • Cypress
  • Sentry

Frontend & practices

  • Tailwind CSS
  • Styled Components
  • SCSS
  • Mantine
  • Zustand
  • Redux
  • Storybook
  • Accessibility
  • System design

Experience

Work history

MEMX

New Jersey

Total tenure6 yrs 10 mos

Senior Full Stack Engineer

January 2023 - Present

  • Co-architected a database-driven ecosystem supporting Equities, Options, Crypto, and external Market Technology clients across distinct regulatory environments.
  • Engineered a shared UI platform that adapts datasets, rules, and form validations by market while retaining one codebase.
  • Designed server-side business logic and PostgreSQL/Prisma schemas supporting compliance, data integrity, and operational traceability.
  • Implemented API orchestration and data-validation layers that enforce contracts between backend microservices and frontend administrative tools.
  • Led modularization of cross-market UI components and service endpoints, reducing duplication and improving feature rollout time by 35%.
  • Delivered WebSocket-based trading and administrative features through low-latency event streams.
  • Oversaw CI/CD pipelines and testing frameworks supporting deployment consistency and compliance audits.

Front-End Engineer

December 2019 - December 2022

  • Served as founding engineer for MEMX's core React application, architecting it from the ground up and maintaining it through major feature expansions.
  • Established a reusable component architecture that became the foundation for subsequent UI development.
  • Improved real-time market-data rendering through memoization, virtualization, and incremental updates.
  • Enforced coding standards, accessibility compliance, and type safety across the growing codebase.
  • Collaborated with backend teams to refine API design, improve data efficiency, and align client workflows with system-level business logic.
  • Introduced Jest and Playwright automated testing, improving regression coverage and deployment confidence.

EarthCam, Inc.

New Jersey

Total tenure1 yr 10 mos

Lead Front-End Developer

July 2019 - December 2019

  • Led and mentored five junior front-end developers while managing planning, reviews, and delivery across concurrent applications.
  • Maintained stability and delivered client features for a legacy jQuery platform while coordinating phased modernization.
  • Enhanced media playback, real-time feed rendering, and UI performance for the React-based EarthCam Public Player.
  • Collaborated with product and media teams to architect and launch EarthCam TV as a streaming-style interface for programmable public-camera channels.
  • Designed and maintained a Storybook component library with 50+ reusable UI elements, improving feature delivery speed by over 40%.
  • Migrated an internal Angular tool to React, reducing technical debt and improving performance and maintainability.
  • Championed version-control, CI/CD, and front-end quality standards across projects.
  • Served as the primary product, design, and engineering liaison for client and operational requirements.

Front-End Developer

March 2018 - July 2019

  • Maintained and refactored a large legacy jQuery platform, improving stability, load performance, and code organization.
  • Built a React Share component and integrated it into the legacy application as a standalone bundle.
  • Built and maintained a React application for internal and external users viewing live and recorded construction-site and public-landmark camera feeds.
  • Developed media capabilities including real-time video playback, filtered clip generation, timelapses, and high-resolution image archives.
  • Implemented Sentry error tracking, improving front-end observability and production issue resolution.
  • Collaborated with backend and video teams to optimize data streaming, asset retrieval, and high-traffic media experiences.

Products & ventures

Domani and agency work

Domani

Production iOS & Android application

December 2025 - Present

Co-Founder & Sole Developer

  • Co-founded and solely developed Domani, an evening-planning and daily-priority application launched to production on iOS and Android in May 2026.
  • Built the cross-platform mobile application with React Native, JavaScript, Tailwind CSS, Supabase, and SQL, alongside its live web presence.
  • Delivered planning features including a top daily priority, task categories, reminders, intentional task rollover, and cross-platform lifetime-access purchasing.
  • Owns end-to-end development, production maintenance, and consistent incremental feature delivery across both mobile platforms.

Independent Digital Agency

Part-time

January 2024 - Present

Co-Founder & Full Stack Engineer

  • Co-founded and operates a boutique digital agency serving small-to-midsize service businesses outside full-time work hours.
  • Acts as sole technical architect, building platforms with Next.js 14, TypeScript, Supabase, and Tailwind CSS.
  • Created a reusable React/Vite component library distributed through private npm packages.
  • Built deployment and hosting pipelines across Netlify, Fly.io, and DigitalOcean.
  • Integrated Google Search Console, GA4, Plausible, and SiteBehavior into data-driven SEO systems.
  • Implemented metadata-driven content architecture for service-area pages, blog hubs, and local SEO landing pages.
  • Managed technical delivery from discovery through launch with design and marketing partners.
  • Delivered reported results including 40% faster page loads and 25-50% gains in organic visibility.