Software Engineer

Cullen Barrow

Senior Full Stack Engineer

*** ***** **, ******, ** 78704 469-***-**** ******.******.***@*****.*** https://www.linkedin.com/in/cullen-barrow-aa3816371

Summary

Full Stack .NET Developer with over 10 years of experience architecting and developing enterprise-grade web applications using .NET (C#), JavaScript/TypeScript, and React. Adept at designing scalable RESTful and GraphQL APIs, integrating with Azure Cloud Services, and leading frontend and backend development. Strong focus on clean architecture, performance optimization, and DevOps automation using Docker and GitHub Actions. Known for mentoring teams, championing modern engineering practices, and delivering reliable, testable, and maintainable software.

Education

B.S. in Computer Science

The University of Sydney Sydney, Australia Sep 2010 – Aug 2014

Experience

Senior Software Engineer

My Biz Niche Remote May 2023 – Present

A digital marketing agency specializing in custom web development and SEO solutions.

Tech Skills: React, TypeScript, SCSS, REST, GraphQL, .NET Core, GitHub Actions, Docker, Jest, Cypress, Lighthouse

Built and maintained modular frontend systems in React/TypeScript, focusing on performance and accessibility, improving site load times by 28%.

Integrated RESTful and GraphQL APIs with frontend UIs for seamless marketing data management.

Refactored legacy .NET-compatible frontend code to be modular and reusable, reducing duplication by 40%.

Collaborated on .NET API enhancements for high-performance endpoints used in dynamic content rendering.

Leveraged GitHub Actions and Docker for continuous delivery pipelines in a microservices environment.

Led frontend testing using Jest and Cypress, boosting test coverage by 65%.

Mentored engineers on component-based architecture and modern React/.NET integrations.

Senior Full Stack Developer

KEO World Miami, FL Oct 2020 – Apr 2023

FinTech startup offering digital B2B inventory financing and payment platforms.

Tech Skills: .NET Core, C#, React, Node.js, TypeScript, Redux Toolkit, Azure, Azure Blob Storage, OAuth 2.0, Microsoft 365, Jest, Cypress, Storybook

Developed scalable B2B SaaS features using .NET Core, Node.js, and React, reducing page latency by 40%.

Focused on enterprise-grade backend services including Microsoft 365, Azure Blob Storage, and OAuth 2.0 authentication.

Built RESTful APIs and internal GraphQL layers to support dynamic dashboards and document handling.

Created a unified design system in Storybook, reducing frontend development time and improving consistency.

Championed DevOps with CI/CD pipelines via Azure DevOps, Docker, and automated test suites in Jest/Cypress.

Worked closely with security and compliance teams to support financial-grade data access and auditing.

Actively participated in Agile planning and sprint execution, translating requirements into deliverables.

Full Stack Developer

Attrock Miami, FL Feb 2017 – Sep 2020

Digital strategy agency building SEO tools, web apps, and marketing automation solutions.

Tech Skills: JavaScript, React, PHP (Laravel), REST APIs, .NET (integration), Bootstrap, Tailwind CSS, Jenkins, Docker

Developed interactive analytics dashboards in React and PHP (Laravel) for SEO and traffic KPIs.

Created and consumed RESTful APIs, optimizing endpoints for marketing campaign performance tracking.

Built frontend modules using Bootstrap, Tailwind CSS, and lazy-loaded components, improving performance by 35%.

Ensured mobile responsiveness and WCAG compliance for marketing landing pages.

Implemented CI/CD pipelines with Jenkins, Git, and Docker, accelerating deployment timelines.

Frontend Developer

Orlando Health Orlando, FL Feb 2015 – Jan 2017

Major healthcare provider delivering patient-centric digital solutions.

Tech Skills: HTML5, CSS3, JavaScript, jQuery, .NET Web API, WCAG 2.0, BEM

Built responsive healthcare portals using JavaScript, HTML5, and CSS3 integrated with .NET backend services.

Focused on accessibility using WCAG 2.0, improving usability across platforms.

Ensured component reusability and cross-platform consistency with BEM and modular CSS practices.

Connected dynamic forms and views with .NET Web API endpoints for patient interaction.

Web Development Intern

Orlando Health Orlando, FL Sep 2014 – Jan 2015

Tech Skills: HTML, CSS, JavaScript, jQuery, .NET APIs

Updated legacy forms and templates using HTML/CSS, supporting backend integrations.

Participated in UX testing and implemented responsive UI improvements.

Debugged frontend validation logic using JavaScript/jQuery.

Observed full SDLC and backend integration workflows in a healthcare setting.

Skills

Languages: C#, JavaScript (ES6+), TypeScript, SQL, HTML5, CSS3, PHP

Frontend: React, Redux, Next.js, Tailwind CSS, Bootstrap, Styled Components, Storybook

Backend: .NET (Core, MVC, Web API), Node.js, Express.js, Laravel, REST, GraphQL

Cloud & DevOps: Azure, GitHub Actions, Docker, Vercel, Netlify, Azure DevOps

Database: PostgreSQL, MongoDB, MySQL, Firebase

Testing & CI/CD: Jest, Cypress, Mocha, Jenkins, GitHub Actions

Other Tools & Technologies: Microsoft 365, Azure Blob Storage, Salesforce (basic), Figma, Postman, Git, Agile/Scrum

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