Description

I am a Senior Software Engineer with 5+ years of experience delivering scalable and high-impact solutions for companies such as Mercado Libre and Bancolombia. My expertise spans modern JavaScript frameworks, microservices, clean architecture, cloud (AWS/Azure), and automated testing.

What drives me is solving real business needs through teamwork and strategy. I thrive in collaborative environments where we can transform complex challenges into efficient, user-focused solutions. At the same time, I am passionate about continuous learning and sharing knowledge, mentoring teams and contributing to growth.

I typically work on:

Full-stack web applications with React, Node.js, and microservices.

Performance optimization (SSR, BFF, Core Web Vitals).

Testing strategies with Cypress, Playwright, and Selenium.

Cloud deployments with AWS and Azure.

SEO-driven and scalable frontends for large platforms.

My goal as a freelancer is to combine technical expertise with strategic thinking to deliver solutions that not only work but generate tangible business results.

Languages

Spanish
Native or bilingual
English
Conversational

Workplace preferences

Can work on-site

Colombia (up to 50km), Medellín (up to 50km)

PRAGMA
Senior Frontend Developer
SOFTWARE PUBLISHING
February 2023 - May 2023 (3 months)
Medellín, Colombia
Led frontend development for marketing applications with focus on performance and scalability. Implemented continuous integration pipelines and headless CMS solutions.

Key Achievements:
Developed high-performance marketing applications using React.js and GraphQL
Established CI/CD pipelines with Jenkins
Integrated Contentful headless CMS for content management
Mentored team members and created knowledge sharing strategies
Technologies: React.js, GraphQL, AWS, Jenkins, Contentful
React.js Marketing digital SEO Desarrollo Front-End Amazon Web Services
PRAGMA
Semi-Senior Frontend Developer
SOFTWARE PUBLISHING
January 2020 - February 2023 (3 years and 1 month)
Medellín, Colombia
Developed and maintained frontend solutions using modern frameworks in cloud based environments. Worked extensively with React.js and AWS services under Agile methodologies.

Technologies: React.js, GraphQL, JavaScript, AWS, Jenkins

JavaScript GraphQL Continuous integration React.js Amazon Web Services
PRAGMA
QA Tester
June 2019 - January 2020 (7 months)
Performed manual and automated testing for web applications, ensuring quality and reliability. Leveraged Java with ScreenPlay, Postman, Selenium, and Cypress to validate critical workflows, APIs, and system performance.

Key Achievements:

Executed manual and automated testing to ensure functionality, performance, and reliability of web applications.

Designed and maintained test cases for critical workflows and APIs.

Improved test coverage and reduced regression issues by implementing automation strategies.

Collaborated with developers to identify, document, and resolve defects efficiently.

JavaScript QA testing Java Selenium Functional testing

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Technology
Servicio Nacional de Aprendizaje (SENA)
2019
Technology

Jouler Jose Taligua Hoyos

Sr Software Engineer & SEO Specialist

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