Who Am I?
My name is Keeton Harrington and I'm a professional software engineer, programming architect, business owner, contractor, and entrepreneur. I'm passionate about building business systems and the practices that turn good software into great software. I leverage AI tools to accelerate development while maintaining focus on architecture, system design, and quality.
Things I've Done
I believe in measurable results.
- Server Management: Expertly sourced, acquired, installed, and maintained a suite of production servers, encompassing web, database, and job processing functionalities, in both physical and virtual environments.
- Technology Selection and System Architecture: Strategically selected foundational technologies and architected robust systems to support project scalability. Authored detailed coding specifications to streamline development processes.
- Database Design: Engineered high-performance databases capable of storing and reporting on millions of records in a high-concurrency setting; ensuring data integrity and accessibility.
- Clustered Computing: Successfully installed and managed clustered computing environments, optimizing for scalability and failover capabilities to maintain continuous operational efficiency.
- Web Application Development: Developed web applications that efficiently serve hundreds of thousands of users, ensuring a seamless and responsive user experience.
- E-Commerce Systems: Created and implemented systems that proficiently handle online transactions, processing millions of dollars in sales with a focus on security and reliability.
- I once brought a ballistic missile through United States Customs.
Things I Can Do
- Project Scalability: Proficient in planning and coding scalable solutions, adept at evolving small projects into large-scale deployments while ensuring performance and maintainability.
- Idea to Implementation: Skilled in transforming initial concepts ("I've got this idea...") into fully-functional projects, demonstrating strong proficiency in programming and problem-solving from inception to launch.
- Team Leadership and Coordination: Effective at leading and managing diverse teams, coordinating efforts to meet project deadlines and objectives, and fostering a collaborative work environment.
- Mentoring: Adept at mentoring team members, fostering their professional growth and development by sharing knowledge, providing guidance, and supporting their career progression.
- Sales and Business Development: Demonstrated ability in identifying leads, engaging potential clients, and closing sales, contributing to business growth and client satisfaction.
- Cross-Platform Development: Versatile in programming for both web and mobile platforms, delivering responsive and user-friendly applications tailored to client needs.
- Customer Relations: Excel in building trust and confidence with internal, external, and principle customers; ensuring their requirements are met with professionalism and enthusiasm.
- Communication Skills: Strong written communication abilities, capable of crafting clear, concise, and persuasive content for a variety of audiences.
Work Experience
Senior Engineer, Principal & Project Lead | [Company Name Redacted] (SaaS - Business Development Vertical) | Full-Time | 5 years
- Product ownership touching every part of the development cycle: proof of concept, design, launch, support, and transition.
- Spearheading full-cycle development, focusing on robust architecture and strategic planning.
- Playing a pivotal role in mentoring and educating junior developers, fostering skill growth and team efficiency.
- Leading infrastructure expansion projects, emphasizing horizontal scaling to enhance system performance and reliability.
- Leading full-cycle development for new client projects, encompassing architecture, design, and implementation.
- Playing a critical role in client project success through innovative solutions and technical expertise.
Software Developer | deviantART.com | Full-Time | 2 years
- Managing frontend, database, and core logic operations, ensuring optimal site performance.
- Addressing bug reports and implementing feature enhancements to improve user experience and site functionality.
Founding Partner | ETR Data | 5 years
- Co-founded ETR Data, an analytics and intelligent data processing platform specializing in user behavior analysis and website trend analytics.
- Developed a distributed processing system for the collection, cataloging, and conversion of millions of visitor interactions into actionable business insights.
- Founded DFR Technology as a passion project and evolved the company to manage over 40 diverse web properties including SaaS services, e-commerce, and content-based websites; demonstrating significant business growth and versatility.
Technical Skills
Linux System Administration - Expert
- Including server installation, setup, and configuration.
- Specialty in Debian and Ubuntu releases.
- Experienced with servers for web, database, data-retention, and email applications.
PHP programming - Expert
Focus on scalable development using multiple popular development frameworks and standalone code.
Extensive use of Doctrine and ADOdb database abstraction libraries.
Test driven development preferred.
MySql/MariaDB - Expert
Experienced with myISAM, MariaDB, PostgreSQL, and InnoDB storage engines. Focus on rapid response, scalability, normalization, failover, and redundancy.
HTML, CSS, XML, YML, JSON - Expert
Extensive experience with markup, style sheet, and data interchange languages.
Other
Version Control: Git, Subversion
CI/CD: GitHub Actions, CircleCI
JavaScript/TypeScript: TypeScript, Native JavaScript, React 18, Preact, Angular, Vue.js, jQuery, Redux, Apollo Client, GraphQL, Tailwind CSS, Webpack, Webpack Encore, Radix UI, shadcn/ui, Jest, Cypress, and more.
PHP software: Wordpress, osCommerce, PHPUnit, PHPStan, SimplePie, HTML Purifier, TCPDF, Dompdf, phpMyAdmin, and more.
Cloud & Infrastructure: Docker, Docker Compose, AWS SDK, Linode, Nginx, PHP-FPM, Supervisor
Integrations: Adobe Sign, Algolia, Auth0, Authorize.net, Avalara (AvaTax), Bandwidth, Converge, DocRaptor, Gleap, Hasura, HotGlue, Intacct, Mailchimp, Mandrill, Microsoft Graph API, Mojio, NMI, OAuth2, Payrix, QuickBooks Desktop, QuickBooks Online, Rhino Fleet Tracking, Salesforce, SendGrid, ServiceTitan, SmartyStreets, Stripe, TaxJar, Twilio, USPS Address Verification, Zoom
AI: Claude, Anthropic API, OpenAI, Gemini, GitHub Copilot, Cursor, AI-assisted development, prompt engineering, LLM API integration, RAG (Retrieval-Augmented Generation), function calling, AI agents, agentic workflows, tool use, agent orchestration
Specialties: ADOdb, Agile Methodologies, Algolia, Analytics, Angular, Apache, Apollo Client, Application Programming Interfaces (APIs), Auth0, Authorize.net, AWS SDK, Back-End Web Development, Bash, Cascading Style Sheets (CSS), CentOS, CircleCI, Cloud Computing, Cloud Services, Cypress, Debian, DevOps, Docker, Docker Compose, Doctrine, Doctrine (PHP), Doctrine Migrations, Dompdf, E-commerce, EC2, ES6, FFmpeg, Git, GitHub Actions, Golbat, Google Analytics, GraphQL, Hasura, HTML, HTML5, JavaScript, Jest, jQuery, JSON, LAMP, LESS, LibreOffice, Linode, Linux, Linux System Administration, Mailchimp, Management, MariaDB, Memcache, Memcached, Microsoft Graph API, Microsoft Windows, MVC, MySQL, Nginx, NoSql, Object Oriented PHP, Object-Oriented Programming (OOP), osCommerce, PayPal, Photoshop, PHP, PHP 5.x, PHP 7.x, PHP 8.x, PHP 8.1, PHP 8.2, PHP 8.3, PHP Applications, PHP Frameworks, PHP-FPM, PhpMyAdmin, PHPStan, PHPUnit, Postfix, PostgreSQL, Preact, Programming, Python, Radix UI, React 18, React Hook Form, Recurring Billing, Red Hat Linux, Redis, Redux, Representational State Transfer (REST), RESTful architecture, SASS, Scyther, SendGrid, shadcn/ui, Shell Scripting, Silex, Slim, Social Media, Software as a Service (SaaS), Software Development, SQL, Stripe, Subversion, Supervisor, Symfony 1.x to current stable, Symfony 6.x, Symfony Framework, Tailwind CSS, TaxJar, Transactional eCommerce, Twilio, TypeScript, Ubuntu, Virtual Machines, VMWare, Vue.js, Web Application Development, Web Development, Webpack, Webpack Encore, WordPress, XML, YML, Zod
Notice: some of these are just Pokemon.
Education
University of North Texas
Bachelor of Arts: English Composition
Bachelor of Arts: Political Science
More
Licensed US Customs Broker
- License #22677. Status: active
- Intensive suitability background check by United States Department of Homeland Security.
- Specialization in the International Traffic in Arms Regulations (ITAR)
Dog owner
2001 - Present
Example Work
Owned and Operated