Full stack software engineer with a DevOps and Systems Administration foundation I have experience with the LAMP (Linux Apache MySQL PHP) stack, and its variations. I build and maintain web applications and automation (Python, Java, Ruby, PHP), run the Linux infrastructure underneath them, and work heavily with open source platforms.

You may see older work under the name Channing Helmling-Cornell.

This document was last updated 10/02/2026

I develop on and maintain open source platforms in production at the University of Rochester Libraries:

• Omeka S: PHP module development and customization, administration of multiple digital collections sites
• ArchivesSpace: Ruby plugin development and administration
• Automation and tooling: Python utilities against REST APIs

Software Engineer, University of Rochester (2022 to present)

• Responsible for gathering system requirements from stakeholders and delivering platform enhancements for software systems built on the PLAY framework, Spring Boot, Ruby on Rails, and PHP-Laminas.
• Mentored junior staff, including direct supervision of a summer 2026 intern. Developed and presented numerous professional development sessions to improve application literacy among staff in client and peer departments.
• Developed and maintained an extensive library of automation scripts in Python and PHP to interact with REST APIs.
• Ensured stability and maintenance of in-house developed applications (Java and PHP) while managing the transition to next-generation platforms.

Co-Founder and Technical Lead, PC Solutions (2020 to 2023)

• Architected and optimized a solution stack to efficiently deliver IT Helpdesk, Microsoft 365 administration, and network infrastructure services to small and medium business clients.
• Achieved profitability within the first year as a two-person startup, maintaining continuous annual growth through 2023.
• Developed and refined support processes and procedures, along with client policies addressing critical technical needs such as Cybersecurity, Backup, and HIPAA compliance.

Technical Analyst, Rochester Software Associates (2021 to 2022)

• Handled maintenance operations for Linux and Windows Server–based enterprise software projects deployed across approximately 600 on-premises and AWS servers.
• Developed cybersecurity-first procedures for maintaining software systems tailored to major customers, including Fortune 100 healthcare clients.

Director of IT, Cornerstone Bread Company (2013 to 2020)

• Sole IT lead through a six-fold headcount increase. Led ERP and CRM rollouts.

• Full Stack Development: Python (Flask), Java (Spring Boot), Ruby on Rails, PHP, C#, Unity, SQL (PostgreSQL, MySQL/MariaDB, SQLAlchemy, Hibernate)
• DevOps and cloud: Docker, Git/GitHub, AWS, GCP, Linux automation and scripting
• Systems administration: Linux (Debian, Ubuntu, RHEL/Rocky), Windows Server, virtualization, Apache, applications administration
• Security and compliance: cybersecurity practices, HIPAA

Board of Directors, Rochester MakerSpace (2025 to present)

Financial and liability decisions, regulatory response, and improving accessibility and training programs.

A.A.S. Computer Systems, Rochester Institute of Technology (2021)