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Hi, I'm Leandro De Assis, a freelance web developer with a strong background in website maintenance and enhancement. I optimize performance, troubleshoot technical issues, and improve UI/UX for job portals, dashboards, and admin interfaces. I excel at collaborating with cross-functional teams, delivering consistent updates on schedule, and applying security best practices to protect sensitive data. I'm passionate about creating user-friendly experiences and continually refining the codebase for scalability and reliability.…Hi, I'm Leandro De Assis, a freelance web developer with a strong background in website maintenance and enhancement. I optimize performance, troubleshoot technical issues, and improve UI/UX for job portals, dashboards, and admin interfaces. I excel at collaborating with cross-functional teams, delivering consistent updates on schedule, and applying security best practices to protect sensitive data. I'm passionate about creating user-friendly experiences and continually refining the codebase for scalability and reliability.

Leandro De Assis

Web Developer, Full Stack Developer, Front-End Developer, +2

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Hi, I'm Leandro De Assis, a freelance web developer with a strong background in website maintenance and enhancement. I optimize performance, troubleshoot technical issues, and improve UI/UX for job portals, dashboards, and admin interfaces. I excel at collaborating with cross-functional teams, delivering consistent updates on schedule, and applying security best practices to protect sensitive data. I'm passionate about creating user-friendly experiences and continually refining the codebase for scalability and reliability.…Hi, I'm Leandro De Assis, a freelance web developer with a strong background in website maintenance and enhancement. I optimize performance, troubleshoot technical issues, and improve UI/UX for job portals, dashboards, and admin interfaces. I excel at collaborating with cross-functional teams, delivering consistent updates on schedule, and applying security best practices to protect sensitive data. I'm passionate about creating user-friendly experiences and continually refining the codebase for scalability and reliability.

Available to hire

Hi, I’m Leandro De Assis, a freelance web developer with a strong background in website maintenance and enhancement. I optimize performance, troubleshoot technical issues, and improve UI/UX for job portals, dashboards, and admin interfaces.

I excel at collaborating with cross-functional teams, delivering consistent updates on schedule, and applying security best practices to protect sensitive data. I’m passionate about creating user-friendly experiences and continually refining the codebase for scalability and reliability.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Product Manager & Full Stack Developer at Image Access, DLSG

October 1, 2014 - December 1, 2025

Led and integrated new features across the site ensuring smooth updates, boosting platform stability and security. Improved UI/UX, collaborated with cross-functional teams to troubleshoot issues, implemented security best practices, managed project timelines, and redesigned the UI for mobile responsiveness. Produced comprehensive documentation to support future developers and achieved a 30% increase in user engagement within six months. Reduced load times through performance optimizations and streamlined cross-team collaboration.

Freelance Web Developer at Remote

November 1, 2019 - Present

Spearheaded website maintenance and feature enhancements for multiple clients, delivering consistent updates and performance improvements. Streamlined UI/UX, reduced issue reports, and improved cross-device compatibility. Implemented security updates and best practices, and produced comprehensive documentation to support future maintenance. Collaborated with cross-functional teams to troubleshoot issues and ensure timely deliverables.

Distribution Associate at ABB-Concise

May 1, 2009 - July 1, 2012

Handled remote distribution support, coordinating with teams to ensure on-time shipments and optimize routing; maintained inventory accuracy and contributed to improved warehouse operations.

Freight Handling at Ralphs Transfer

October 1, 2012 - October 1, 2014

Managed freight handling and logistics tasks, coordinating with drivers and warehouses to streamline transport, reduce delays, and improve delivery timeframes.