Wilmer Ricardo Pachon Lopez

Software Developer at The Art of the Wild Roots

Privately owned landscaping company in the Vancouver area. Designed and currently developing an internal back-office system using Go, PostgreSQL, and React to manage tools, vehicles, employees, and maintenance schedules. Implemented database models and REST APIs supporting inventory, scheduling, and supplier tracking operations. Integrated Google Workspace for authentication and internal workflows, reducing manual admin tasks by 40%. Collaborated with field and admin staff to define system requirements enhancing day-to-day operation alignment. Planning scalable system expansion to include financials, project tracking, and employee management.

Software Developer at MercadoLibre Colombia

Worked at the largest e-commerce and online marketplace platform in Latin America. Developed micro frontends in React for internal fraud detection and anti-money laundering platforms used by multiple teams. Built reusable UI components to accelerate development on large-scale projects. Collaborated with infrastructure teams on deployment strategies including Blue/Green, Canary, and All-in. Integrated monitoring and performance tools (Datadog, Kibana, New Relic) to track errors, latency, and usage metrics. Reduced application response times by 50% by introducing caching strategies and Memcached in core services. Implemented unit (Jest) and end-to-end (Cucumber) testing for critical applications; supported load testing using Bazooka. Worked in a cross-team security squad on OAuth, API key management, and backend services using Go and Hexagonal architecture.

Full Stack Developer at Conexred SAS

Fintech company in Colombia offering electronic payments, mobile recharges, and financial inclusion solutions. Led UX improvements enhancing user satisfaction by 30% through optimized design and functionality using Vue.js. Conducted code reviews improving software reliability by 10% and ensuring platform consistency. Improved team collaboration by providing clear feedback during code reviews. Ensured alignment of design and development standards across multiple projects.

Software Developer at The Art of the Wild Roots

Private ly owned landscaping company serving residential and commercial clients in the Vancouver area. Designed and currently developing an internal back-office system using Go, PostgreSQL, and React to manage tools, vehicles, employees, and maintenance schedules.

Software Developer at MercadoLibre Colombia

Developed micro frontends in React for internal fraud detection and anti-money laundering platform used by employees across multiple teams. Built reusable UI components to accelerate development across large-scale projects. Collaborated with infrastructure teams on deployment strategies (Blue/Green, Canary, All-in). Integrated monitoring and performance tools (DataDog, Kibana, New Relic) to track errors, latency, and usage metrics. Reduced application response times by 50% through caching strategies and the introduction of Memcached in core services. Implemented unit (Jest) and end-to-end testing (Cucumber); supported load testing with Bazooka. Worked across security squad on OAuth, API key management, and backend services (Go, Hexagonal architecture).