Michael Warner

Senior Software Engineer · Independent Contractor · US digital nomad, based from SC

Professional Summary

Senior Software Engineer and Independent Contractor with 10+ years delivering web applications across solar energy, logistics, e-commerce, and government sectors. Proven ability to ramp up fast and deliver under pressure, most recently rescuing a 9-month project in 3 months. Full-stack from architecture through deployment, JavaScript/TypeScript end to end.

Experience

Digital Alchemy

Contractor · Digital Marketing and Development · Jul 2025 – Mar 2026

Rescued a project that had failed under the previous team, delivering a complete HIPAA-compliant solution in 3 months against a 9-month original scope by ruthlessly prioritizing core value.

  • Shipped in 3 months vs. a 9-month estimate by cutting scope that didn't drive user value.
  • Decomposed a failed project into milestones with clear acceptance criteria.
  • Stack: Next.js, React, Bun, Vite, Drizzle ORM, AWS.
  • Used Claude Code for AI-assisted development to accelerate velocity.

DBHDS

Contractor · Supporting recovery and wellness for all Virginians · Feb 2025 – Apr 2025

Architected a micro-frontend platform and custom SDK enabling 50+ teams to deploy independent applications under one portal, integrated with a single script tag.

  • Micro-frontend orchestration via iframe isolation for 50+ teams under a single login.
  • Custom MFE SDK served CDN-style: one script tag for state sharing, events, routing.
  • Wrapped the History API (pushState/popState) to keep container and child routes in sync across refreshes.
  • Role-based access control scoped per user responsibility.

TransTraks

Contractor · School Bus Routing and Student Management System · Sep 2024 – Dec 2025

Built a custom routing and mapping application for schools to optimize bus operations and student transportation.

  • Mapping app in Angular, Mapbox, and GraphQL for optimized pickup/dropoff routes.
  • Routing logic for accessibility requirements and California safety regulations.
  • Tools for planners to generate efficient district-wide paths.

Sunrun

Senior Software Engineer · The Leader in Residential Solar and Energy Storage · Nov 2021 – Sep 2024

On the Sales Experience team: structured and maintained sales tech for the evolving solar industry, from lead creation through permission-to-operate.

  • Integrated GoodLeap into loan automation, streamlining the customer experience.
  • Integrated multiple pricing systems into offer-building for more accurate pricing.
  • Led NEM3 compliance integration, enabling Sunrun's storage-first pivot. The CEO credited it with outlasting competitors under the new law.
  • Built micro-frontends on AWS Amplify replacing the former sales app; enabled cross-team, framework-independent development.
  • Built a Storybook component library standardizing all micro-frontends.
  • Designed the Sunrun One dashboard for a sales overview.
  • Built the lead creation form with React Hook Forms.
  • Built a dynamic pricing page on GraphQL endpoints.
  • Implemented product management on Contentful.
  • Created a single customer profile to simplify data and speed up sale.

Europa Sports

Senior Client Side Developer · Industry-leading distributor of nutritional and sports supplements · Nov 2015 – Nov 2021

Owned requirements through E2E testing and release for EuropaSports.com, M-Sales (Android), a Shopify store, and a data feed.

  • Built the Europa e-commerce platform: listings, product details, global search.
  • Engineered a custom TSQL search engine with an inverted index, bigram matching, weighted relevance, and synonym resolution. Prototyped in Node.js at 5ms in-RAM, then ported to T-SQL.
  • Built portals for customers, employees, vendors, and franchisees.
  • Built M-Sales (Vue.js + Cordova) for reps with customizable pricing controls.
  • Fixed UI jank by offloading filtering/counts to a Web Worker, hitting 60fps across thousands of products.
  • Designed CI/CD pipelines in AWS with Docker + Slack integration.
  • Launched a direct-to-customer Shopify channel.

Skills

LanguagesJavaScriptTypeScriptSQLTSQLHTMLCSS

FrontendReactAngularVue.jsReact Hook Forms

BackendNode.jsExpress.jsNext.jsGraphQLREST APIs

DatabasesDynamoDBMongoDBGCP BigQueryDrizzle ORMSQL

TestingJestCypress

InfrastructureAWS ServerlessDockerIIS

OtherGitContentfulMapboxShopifyAgileKanban

Education

2015Hack Reactor, Advanced Software Bootcamp

2012 – 2014Hillsborough Community College, Computer Programming