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I am a dynamic Senior Technical Lead/Architect with 15+ years of experience architecting and delivering scalable web applications using JavaScript, Drupal 8/9/10/11, and PHP. I excel at leading Agile teams, defining technical architectures, and enforcing development standards to consistently deliver high-quality solutions for federal and private clients. I have led Drupal migrations (7→10) for USDA and AmeriCorps, integrated REST APIs, and optimized performance on Acquia Cloud. I hold certifications in Acquia Drupal 10 Front End Specialist and Oracle AI Foundations, plus Blockchain Basics, and I’m recognized by MENSA for analytical and problem-solving skills. I’m passionate about code reviews, troubleshooting, and cross-functional collaboration to drive innovative web solutions as a Senior Technical Lead.…I am a dynamic Senior Technical Lead/Architect with 15+ years of experience architecting and delivering scalable web applications using JavaScript, Drupal 8/9/10/11, and PHP. I excel at leading Agile teams, defining technical architectures, and enforcing development standards to consistently deliver high-quality solutions for federal and private clients. I have led Drupal migrations (7→10) for USDA and AmeriCorps, integrated REST APIs, and optimized performance on Acquia Cloud. I hold certifications in Acquia Drupal 10 Front End Specialist and Oracle AI Foundations, plus Blockchain Basics, and I’m recognized by MENSA for analytical and problem-solving skills. I’m passionate about code reviews, troubleshooting, and cross-functional collaboration to drive innovative web solutions as a Senior Technical Lead.

Diana Castillo

Web Developer, Front-End Developer, Back-End Developer, +2

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I am a dynamic Senior Technical Lead/Architect with 15+ years of experience architecting and delivering scalable web applications using JavaScript, Drupal 8/9/10/11, and PHP. I excel at leading Agile teams, defining technical architectures, and enforcing development standards to consistently deliver high-quality solutions for federal and private clients. I have led Drupal migrations (7→10) for USDA and AmeriCorps, integrated REST APIs, and optimized performance on Acquia Cloud. I hold certifications in Acquia Drupal 10 Front End Specialist and Oracle AI Foundations, plus Blockchain Basics, and I’m recognized by MENSA for analytical and problem-solving skills. I’m passionate about code reviews, troubleshooting, and cross-functional collaboration to drive innovative web solutions as a Senior Technical Lead.…I am a dynamic Senior Technical Lead/Architect with 15+ years of experience architecting and delivering scalable web applications using JavaScript, Drupal 8/9/10/11, and PHP. I excel at leading Agile teams, defining technical architectures, and enforcing development standards to consistently deliver high-quality solutions for federal and private clients. I have led Drupal migrations (7→10) for USDA and AmeriCorps, integrated REST APIs, and optimized performance on Acquia Cloud. I hold certifications in Acquia Drupal 10 Front End Specialist and Oracle AI Foundations, plus Blockchain Basics, and I’m recognized by MENSA for analytical and problem-solving skills. I’m passionate about code reviews, troubleshooting, and cross-functional collaboration to drive innovative web solutions as a Senior Technical Lead.

Available to hire

I am a dynamic Senior Technical Lead/Architect with 15+ years of experience architecting and delivering scalable web applications using JavaScript, Drupal 8/9/10/11, and PHP. I excel at leading Agile teams, defining technical architectures, and enforcing development standards to consistently deliver high-quality solutions for federal and private clients.

I have led Drupal migrations (7→10) for USDA and AmeriCorps, integrated REST APIs, and optimized performance on Acquia Cloud. I hold certifications in Acquia Drupal 10 Front End Specialist and Oracle AI Foundations, plus Blockchain Basics, and I’m recognized by MENSA for analytical and problem-solving skills. I’m passionate about code reviews, troubleshooting, and cross-functional collaboration to drive innovative web solutions as a Senior Technical Lead.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Senior Technical Lead / Architect at TECKpert

June 1, 2025 - Present

Led upgrade of FirstNet.gov site to Drupal 11 and rewrite and migration of 5x5 event platform from WordPress to Drupal 11. Custom Module creation using best practices. Migrated both sites to Acquia and set up CI/DC pipelines with GitHub. Spearheaded Agile team of developers and UI team. Collaborated with UX/UI and business teams to gather requirements and deliver requested results. Coordinated customer meetings, and Scrum reports.

Senior Lead Drupal Developer at ITCON Services, LLC

June 1, 2019 - June 1, 2025

Led Drupal 7→10 migrations for USDA and AmeriCorps, architecting solutions with REST APIs and Acquia Cloud, improving performance by 30% for 50K+ users. Defined and enforced development standards, building custom modules and geospatial dashboards using Drupal modules, JavaScript, and React. Spearheaded Agile teams of 5+ developers, conducting code reviews and mentoring on PHP, Drush, and Composer to ensure reliable code delivery. Collaborated with UX/UI and business teams to gather requirements and delivered scalable workflows for features such as: Interactive Google map applications; Drupal Commerce; Opigno LMS; Facebook-like implementation; Optimized CI/CD pipelines with Git and Docker, troubleshooting issues to meet project timelines.

Drupal Architect at IRS

February 1, 2017 - April 1, 2019

Architected Drupal 8 backend for IRS.gov, developing custom modules and RESTful APIs to securely manage financial data, ensuring system reliability. Led code reviews and trained 10+ junior developers in PHP, JavaScript, and Drupal best practices, boosting team efficiency. Collaborated with cross-functional teams to define requirements and resolved technical issues to support Agile delivery.

Senior Drupal Developer at Phase One – Department of Transportation

October 1, 2016 - February 1, 2017

Directed Drupal 7→8 migration for bts.gov, integrating JSON APIs for real-time data and improving scalability and user experience. Conducted performance analysis and code optimization, reducing latency by 20% via PHP and MySQL enhancements.

Backend Developer at Questex

April 1, 2016 - October 1, 2016

Backend Development in Drupal 8 and Drupal 7 for engineering department of media group.

Senior Drupal Developer at DMI (NASA.gov)

April 1, 2015 - April 1, 2016

Senior drupal software developer on projects for NASA Hitss contract. Led migration of Sharepoint application into Drupal 7; Creation of Intranet.

Senior Drupal Developer at CollabraLink Technologies – Department of Education

October 1, 2013 - December 1, 2014

Lead drupal developer for NSLDS Student loans for the Department of Education. Converted student loan information to be visible only on front end to avoid anything being stored on servers for security reasons, using Front end Ajax scripts and json.