Available to hire
Hi, I’m John Barrett, a results-driven Database Programmer and ColdFusion Developer with over 20 years of experience in designing, developing, and maintaining data-driven web applications. I have strong skills in the full software development life cycle, database architecture, ColdFusion application development, SQL optimization, and API integration. I am passionate about delivering scalable, secure, and high-performance solutions that improve system efficiency and support business goals.
I enjoy collaborating with cross-functional teams, managing freelance client projects, and troubleshooting complex technical issues. I am committed to continuous learning, process improvement, and consistently delivering high-quality code in fast-paced environments.
Skills
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Expert
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Work Experience
Freelance ColdFusion Developer at Remote
June 1, 2025 - August 4, 2025Designed and deployed ColdFusion web applications by analyzing business needs and implementing scalable back-end logic. Collaborated with clients to gather requirements and define project scope, timelines, and deliverables. Developed functional specifications, diagrams, and well-documented code to ensure smooth handoffs and future scalability. Conducted code reviews and performance optimization to improve application efficiency. Delivered tailored web solutions aligned with client goals, budgets, and timelines.
ColdFusion Developer at University of Hawaii
May 1, 2020 - August 4, 2025Spearheaded ColdFusion-based web development for nutrition-focused research projects. Created and maintained a custom CMS to enhance internal content management workflows. Authored instructional guides and user documentation to support application adoption and training. Developed a personalized email automation framework for subscriber engagement. Implemented secure, scalable systems aligned with academic department objectives and compliance requirements.
Database Programmer at Hawaii State Climate Office
March 1, 2004 - August 4, 2025Led digitization of legacy climate data (1948–2000) and built searchable ColdFusion web interfaces using MySQL. Streamlined rainfall pattern analysis by structuring large datasets for efficient access and reporting. Designed time entry software for staff, improving administrative efficiency. Supported analysts with custom data tools and reporting utilities for climatology studies.
Freelance ColdFusion Developer at Self-employed
June 1, 2025 - August 4, 2025Designed and deployed ColdFusion web applications by analyzing business needs and implementing scalable back-end logic. Collaborated closely with clients to define project scope, timelines, and deliverables. Developed functional specifications, diagrams, and well-documented code to ensure smooth handoffs and future scalability. Conducted code reviews and performance optimizations to improve application efficiency. Delivered tailored web solutions aligned with client goals, budgets, and timelines.
ColdFusion Developer at University of Hawaii
May 1, 2020 - August 4, 2025Spearheaded ColdFusion-based web development for nutrition-focused research projects. Created and maintained a custom CMS to enhance internal content management workflows. Authored instructional guides and user documentation to support application adoption and training. Developed a personalized email automation framework for subscriber engagement. Implemented secure, scalable systems aligned with academic department objectives and compliance requirements.
Database Programmer at Hawaii State Climate Office
March 1, 2004 - August 4, 2025Led digitization of legacy climate data (1948–2000) and built searchable ColdFusion web interfaces using MySQL. Streamlined rainfall pattern analysis by structuring large datasets for efficient access and reporting. Designed time entry software for staff, improving administrative efficiency. Supported analysts with custom data tools and reporting utilities for climatology studies.
Freelance ColdFusion Developer at Freelance
June 1, 2025 - September 2, 2025Delivered tailored ColdFusion web applications by analyzing client requirements and implementing scalable, data-driven solutions. Optimized back-end logic and application workflows to improve system performance and maintainability. Collaborated with clients across various industries to define technical scope, align project goals, and ensure on-time delivery. Improved client operations by up to 45% through development of 35+ custom applications supporting business process automation.
ColdFusion Developer at University of Hawaii
May 1, 2020 - September 2, 2025Developed and maintained ColdFusion-based web applications to support scalable, data-driven solutions across multiple business functions. Refactored legacy code and improved application architecture to enhance system performance and reduce maintenance overhead. Integrated third-party APIs to enable real-time data synchronization and expand functionality across client-facing platforms. Improved system responsiveness by 40% through the development of 60+ web applications tailored to performance and usability needs.
Database Programmer at Hawaii State Climate Office
March 1, 2004 - September 2, 2025Designed, developed, and maintained relational databases using SQL Server and Oracle to support scalable enterprise applications. Streamlined ETL workflows and automated maintenance processes using SSIS, Python, PL/SQL, and PowerShell for improved efficiency. Supported cross-functional teams in deploying high-availability solutions and aligning database architecture with business requirements. Improved query performance by 35% across 120+ business-critical databases through schema optimization and performance tuning.
Freelance ColdFusion Developer at Freelance
June 1, 2025 - September 2, 2025Delivered tailored ColdFusion web applications by analyzing client requirements and implementing scalable, data-driven solutions. Optimized back-end logic and application workflows to improve system performance and maintainability. Collaborated with clients across various industries to define technical scope, align project goals, and ensure on-time delivery. Improved client operations by up to 45% through development of 35+ custom applications supporting business process automation.
ColdFusion Developer at University of Hawaii
May 1, 2020 - September 2, 2025Developed and maintained ColdFusion-based web applications to support scalable, data-driven solutions across multiple business functions. Refactored legacy code and improved application architecture to enhance system performance and reduce maintenance overhead. Integrated third-party APIs to enable real-time data synchronization and expand functionality across client-facing platforms. Improved system responsiveness by 40% through the development of 60+ web applications tailored to performance and usability needs.
Database Programmer at Hawaii State Climate Office
March 1, 2004 - September 2, 2025Designed, developed, and maintained relational databases using SQL Server and Oracle to support scalable enterprise applications. Streamlined ETL workflows and automated maintenance processes using SSIS, Python, PL/SQL, and PowerShell for improved efficiency. Supported cross-functional teams in deploying high-availability solutions and aligning database architecture with business requirements. Improved query performance by 35% across 120+ business-critical databases through schema optimization and performance tuning.
Education
Bachelor of Science in Atmospheric Science at University of Hawaii
January 11, 2030 - June 1, 2026Bachelor of Science in Atmospheric Science at University of Hawaii
January 11, 2030 - June 1, 2026Bachelor of Science at University of Hawaii
January 11, 2030 - June 1, 2026Bachelor of Science at University of Hawaii
January 11, 2030 - June 1, 2026Qualifications
Industry Experience
Education, Government, Software & Internet, Other
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