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Brandon
Campbell-Kearns

Full-Stack Technology Partner

I partner with founders, teams, and organizations to scope, build, and ship production web applications — taking full ownership of architecture, delivery, and quality from first conversation to deployed product.

User-Centered Development

The most technically correct solution is worth little if it doesn't match how people actually work. I approach every engagement by understanding the end user first — their goals, their mental model, where they lose trust in a system — and let that understanding drive the architecture. That discipline is what separates software that gets adopted from software that gets worked around.

In practice this means I spend real time on requirements and workflow before touching the implementation, I push back on feature scope that adds complexity without adding clarity, and I hold the user's experience — not just code quality — as the measure of a successful delivery.

What I Deliver

Full-Stack Web Applications

  • End-to-end architecture & development
  • React / Next.js front-ends
  • Node.js & REST/GraphQL APIs
  • MongoDB, PostgreSQL data layers
  • Authentication, roles & permissions
  • Progressive web apps (PWA)

Content & Admin Systems

  • Headless CMS (Payload.js)
  • Custom CRM & client portals
  • Marketing & editorial workflows
  • Structured data modeling

Data Visualization & Mapping

  • HighCharts for financial data
  • D3.js for custom visualizations
  • Mapbox for geospatial display
  • Interactive dashboards
  • API-driven data pipelines

Infrastructure & Reliability

  • CI/CD pipeline setup & management
  • Docker, cloud-native deployment
  • E2E test coverage (Playwright)
  • AWS & Pivotal Cloud Foundry
Selected Engagements

First Street

2024 – 2025

Sr. Software Engineer

Climate Risk Financial Platform

Architected the enterprise UI used by financial institutions and government agencies to assess climate-driven financial risk. Built interactive data visualizations and geospatial displays integrating physics-based climate model outputs. Introduced end-to-end test automation that eliminated 8 hours of weekly manual QA, and built a content management system enabling the product team to iterate customer-facing demos independently of engineering.

Next.jsTypeScriptPayload.jsHighChartsMapboxPlaywright

Local Business Client

2023 – Present

Independent Consultant

Custom CRM Web Application

Designed and delivered a bespoke CRM from the ground up — including requirements discovery, data modeling, and full-stack implementation — and have continued to develop and maintain it since. The application is backed by MongoDB and managed through a custom admin interface, giving the client direct control over their customer data and workflows.

Next.jsPayload.jsMongoDBFull Ownership

Galvanize / DoD

2019 – 2021

Engineering Lead

Cloud Platform Delivery for Military Teams

Directed full-stack JavaScript application development for military engineering teams, including deployments on the AWS-based Air Force PaaS with Docker containerization and CI/CD pipelines meeting .mil domain security standards. Helped secure a $60M DoD contract through a pilot course demonstrating delivery capability at scale.

JavaScriptAngularAWSDockerCI/CD

The Home Depot

2015 – 2019

Staff Engineer

Internal Platform & Full-Stack Development

Implemented microservice architecture across US distribution center applications using Node.js, Ruby on Rails, AngularJS, and Java on Pivotal Cloud Foundry. As a Staff Engineer and member of the founding team of Orange Method — The Home Depot's internal engineering education and product consultancy — led full-stack development across the organization and engineered a JAMstack platform for internal curriculum delivery with integrated CI/CD.

Node.jsRuby on RailsReact / AngularJavaMicroservicesCI/CDGatsby.js