JULIAN VALENCIA

Senior Software Engineer

Medellín - Colombia
(+57) 319-542-9877
me@julianvalencia.me

Professional Summary

Self-taught full-stack engineer with over 15 years of experience. Expert in designing, developing, and supporting complex online products from initial design to deployment. Ability to adapt to the constant evolution of digital technologies, moving between creative UI/Web design and robust backend architecture. Accelerated delivery and boosted efficiency thanks to integration of AI into development workflows. Extensive experience working with international organizations to build scalable, modular platforms.

Technical Expertise

Languages & Frameworks:

Node.js, TypeScript, JavaScript (ES6+), PHP, React

Backend & Systems:

REST API Development, Elastic Search, Relational Database Management.

Infrastructure & Workflows:

CI/CD Pipelines, GitHub Actions, Docker, Linux Server Administration

CMS Expertise:

Drupal Module Development, Wordpress Plugin/Theme Development..

UI Design:

Figma, Adobe XD, Adobe Creative Suite, Semantic HTML, SCSS

Professional Achievements

Parallel Public Works
Full-Stack Engineer & Tech Lead

  • Led architectural planning and the development of a highly modular, decoupled platform (Drupal/React), demonstrating expertise in modernizing component-based services.
  • Architected backend modules to manage complex site hierarchies, role-based access control, and transactional email systems.
  • Developed synchronization modules using Elastic Search to facilitate granular data filtering and search capabilities
  • Implemented comprehensive unit and integration testing frameworks, and maintained high standards of technical documentation in an Agile/Scrum environment.
  • Accelerated deployment velocity by engineering automated, replicable CI/CD pipelines leveraging dynamic workflow provisioning.

World Forum of Local Economic Development - FAMSI
Full-Stack Engineer & Web Designer

  • Developed the digital infrastructure for the World Forum for Local Development, ensuring adherence to global branding guidelines.
  • Developed and designed functional platforms for programme management, speaker directories, and high-traffic registration and accreditation systems

United Nations (UN4UkrainianCities)
Technical Consultant

  • Developed custom architectural solutions and themes integrated with external APIs (Contentful) to support complex layouts in a Squarespace website.

BCRUPD - UN-Habitat
Full-Stack Engineer

  • Developed a secure, scalable content-sharing platform with multi-layered privacy, ensuring data integrity and adherence to security best practices.
  • Automated event logistics through custom dashboard creation, automatic certificate generation, and attendee notification systems.
  • Developed interactive mapping tools with custom categorization and filtering for localized data visualization.

OnCities 2030
Full-Stack Engineer

  • Designed and optimized high-concurrency backend services and transactional databases, ensuring performance and data integrity for high-traffic global event ticket sales.
  • Developed a centralized multisite network to streamline editorial management and content distribution for a portfolio of digital journals and magazines.

Habitat III - United Nations
Full-Stack Engineer

  • Led the full-stack technical migration of a legacy Drupal platform, resulting in a modern CMS and streamlined content infrastructure.
  • Implemented digital backend tools to allow the staff to build a global directory of agencies and participants.
  • Managed the development of high-traffic event platforms, including interactive timelines and participant databases

Encicla, TEVA - AMVA
Full-Stack Engineer

  • Developed a real-time monitoring system using a vendor’s API and the Google Maps API to track bike-sharing station status and availability across the network.
  • Designed and implemented the frontend interface for automated station kiosks and digital panels.
  • Built a user registration and activation system integrated with third-party APIs to streamline logistics and onboarding workflows.

www.julianvalencia.me