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I am a senior software developer with over 25 years of experience in software design, database management, and technical leadership. My career has focused on building high-reliability applications, managing enterprise-level data, and translating complex business requirements into functional software. I have a proven track record of delivering mission-critical projects in the healthcare, retail, and logistics sectors, and I am highly effective at communicating technical concepts to stakeholders at all levels. As a freelance developer who has been in the business of web development since the 90s, I can quickly create visually pleasing, modern-looking and responsive (mobile compliant), fully database driven websites (up to 20 pages per site) with a custom user-friendly content management system (CMS) within a week or less, including e-commerce capabilities via Stripe. My sites are fully secure, utilizing the latest Google reCAPTCHA system, CSRF tokens, SQL injection and XSS hardening, among other things. I have also developed my own chatbot website widget that can be very easily be integrated into any site, further enhancing the site's capabilities. Here are my latest sites in development and newly online: _Website not available. Sign in: https://www.twine.net/signup_ _Website not available. Sign in: https://www.twine.net/signup_ _Website not available. Sign in: https://www.twine.net/signup_ _Website not available. Sign in: https://www.twine.net/signup_…I am a senior software developer with over 25 years of experience in software design, database management, and technical leadership. My career has focused on building high-reliability applications, managing enterprise-level data, and translating complex business requirements into functional software. I have a proven track record of delivering mission-critical projects in the healthcare, retail, and logistics sectors, and I am highly effective at communicating technical concepts to stakeholders at all levels. As a freelance developer who has been in the business of web development since the 90s, I can quickly create visually pleasing, modern-looking and responsive (mobile compliant), fully database driven websites (up to 20 pages per site) with a custom user-friendly content management system (CMS) within a week or less, including e-commerce capabilities via Stripe. My sites are fully secure, utilizing the latest Google reCAPTCHA system, CSRF tokens, SQL injection and XSS hardening, among other things. I have also developed my own chatbot website widget that can be very easily be integrated into any site, further enhancing the site's capabilities. Here are my latest sites in development and newly online: _Website not available. Sign in: https://www.twine.net/signup_ _Website not available. Sign in: https://www.twine.net/signup_ _Website not available. Sign in: https://www.twine.net/signup_ _Website not available. Sign in: https://www.twine.net/signup_

Dan DeLong

Full Stack Developer, Web Developer, Programmer, +7

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I am a senior software developer with over 25 years of experience in software design, database management, and technical leadership. My career has focused on building high-reliability applications, managing enterprise-level data, and translating complex business requirements into functional software. I have a proven track record of delivering mission-critical projects in the healthcare, retail, and logistics sectors, and I am highly effective at communicating technical concepts to stakeholders at all levels. As a freelance developer who has been in the business of web development since the 90s, I can quickly create visually pleasing, modern-looking and responsive (mobile compliant), fully database driven websites (up to 20 pages per site) with a custom user-friendly content management system (CMS) within a week or less, including e-commerce capabilities via Stripe. My sites are fully secure, utilizing the latest Google reCAPTCHA system, CSRF tokens, SQL injection and XSS hardening, among other things. I have also developed my own chatbot website widget that can be very easily be integrated into any site, further enhancing the site's capabilities. Here are my latest sites in development and newly online: _Website not available. Sign in: https://www.twine.net/signup_ _Website not available. Sign in: https://www.twine.net/signup_ _Website not available. Sign in: https://www.twine.net/signup_ _Website not available. Sign in: https://www.twine.net/signup_…I am a senior software developer with over 25 years of experience in software design, database management, and technical leadership. My career has focused on building high-reliability applications, managing enterprise-level data, and translating complex business requirements into functional software. I have a proven track record of delivering mission-critical projects in the healthcare, retail, and logistics sectors, and I am highly effective at communicating technical concepts to stakeholders at all levels. As a freelance developer who has been in the business of web development since the 90s, I can quickly create visually pleasing, modern-looking and responsive (mobile compliant), fully database driven websites (up to 20 pages per site) with a custom user-friendly content management system (CMS) within a week or less, including e-commerce capabilities via Stripe. My sites are fully secure, utilizing the latest Google reCAPTCHA system, CSRF tokens, SQL injection and XSS hardening, among other things. I have also developed my own chatbot website widget that can be very easily be integrated into any site, further enhancing the site's capabilities. Here are my latest sites in development and newly online: _Website not available. Sign in: https://www.twine.net/signup_ _Website not available. Sign in: https://www.twine.net/signup_ _Website not available. Sign in: https://www.twine.net/signup_ _Website not available. Sign in: https://www.twine.net/signup_

Available to hire

I am a senior software developer with over 25 years of experience in software design, database management, and technical leadership. My career has focused on building high-reliability applications, managing enterprise-level data, and translating complex business requirements into functional software.

I have a proven track record of delivering mission-critical projects in the healthcare, retail, and logistics sectors, and I am highly effective at communicating technical concepts to stakeholders at all levels.

As a freelance developer who has been in the business of web development since the 90s, I can quickly create visually pleasing, modern-looking and responsive (mobile compliant), fully database driven websites (up to 20 pages per site) with a custom user-friendly content management system (CMS) within a week or less, including e-commerce capabilities via Stripe. My sites are fully secure, utilizing the latest Google reCAPTCHA system, CSRF tokens, SQL injection and XSS hardening, among other things. I have also developed my own chatbot website widget that can be very easily be integrated into any site, further enhancing the site’s capabilities. Here are my latest sites in development and newly online: Website not available. Sign in: https://www.twine.net/signup Website not available. Sign in: https://www.twine.net/signup Website not available. Sign in: https://www.twine.net/signup Website not available. Sign in: https://www.twine.net/signup

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

French

Beginner

Work Experience

Senior Full-Stack Developer at Intellasoft

July 1, 2025 - Present

I have built 18 new responsive, mobile-friendly websites over the past 10 months for various sectors. I engineered an AI chatbot system using the Google Gemini API with a Python-based scraper to build dynamic knowledge bases from multiple external sources. I developed a comprehensive logistics and tracking system for Tapper’s Oil with a central dispatch dashboard, a customer tracking portal, and a driver mobile app. I architected the Intel-Alert emergency notification platform via Telnyx to broadcast alerts via SMS, automated voice calls, and email. I perform security audits and refactor legacy codebases for performance and protection against SQL injection and XSS vulnerabilities.

Senior Programmer and Consultant at Memorial University of Newfoundland (OPED)

February 1, 2012 - July 1, 2025

Lead technical resource for the Faculty of Medicine’s professional development department for 13 years. Developed the Family Care Teams NL Resource Hub with a CMS/LMS for provincial healthcare providers. Designed the PATO portal for NL Health Services to manage certification for internationally trained doctors, including data organization, field assessments, and reporting. Maintained five major portals and LMSs, led bilingual localization of the Rourke Baby Record, and coordinated delivery for 50 large virtual programs.

Software Developer at MedicLink Systems

January 1, 2007 - January 1, 2012

Primary VB6 developer for Eyesistant, a comprehensive medical business application for optometrists. Built modules for patient records, eye exams, clinical history, and scheduling with 100% data integrity. Designed secure database structures and integrated invoicing and inventory tracking features.

Lead Developer and Project Manager at POS Central

January 1, 1998 - January 1, 2007

Designed and built a full-featured POS system for a national retail chain with 30+ locations to replace legacy software before Y2K. Implemented nightly synchronization of sales and inventory data for financial reporting and shipment planning. Interfaced with hardware (barcode scanners, printers, scales) and collaborated on embedded C++ localization with an international firm.