Guayo Mena

As a freelance web developer, I work with small startups to build prototypes and early versions of their applications, helping them transform ideas into functional products. I focus on keeping development complexity low, ensuring that solutions are efficient, maintainable, and scalable without unnecessary overhead. I use Django, Python, PostgreSQL, Redis, Selenium, HTMX, AWS

Enhanced the learning management system of alle.com through the creation of backend services using NestJS in a monorepo with NX.

• Drove value for customers through a comprehensive suite of applications, including a React Native mobile app, a Next.js web application and an API built with Nest.js that served both platforms
• Oversaw the entire technology stack and managed DevOps initiatives, including Building and maintaining CI/CD pipelines, Handling all third-party integrations
• Built prototypes using Django
• Maintained a 100% hands-on approach despite an executive role and served as the sole engineer on the team, ensuring seamless execution and innovation across all technical aspects of the business

• Country manager, in charge of Parsley Health's operations in Costa Rica.
• Oversaw maintenance and feature enhancement of our member portal (React, Typescript, Graphql, NodeJS).
• Managed cloud services with GCP.
• Hired staff for our engineering team. Performance reviews and growth paths with my direct reports. Managed engineering teams.
• Authored technical documentation of our software.
• Closely worked with the product team. Authored technical user stories, epics, led ceremonies and prioritized backlog using Agile methodology.
• Led the maintenance and enhancement of our primary checkout flow.
• Oversaw the development and upkeep of our marketing website. (React, Gatsby, GraphQL, Sanity.io) - Implemented automation workflows with Segment and other integration tools.
• Authored Go-based cloud functions for streamlined process automation. (GCP cloud functions).
• Maintained our CI/CD pipeline. (Github actions)
• Created automated tests for critical flows. As well as unit tests and manual QA. (Cypress, Jest)

• Led a full redesign of our marketing website, delivering on time with limited resources.
• Orchestrated hiring initiatives in Costa Rica, collaborating with recruitment agencies.
• Directed multiple cross-functional teams to achieve organizational goals.
• Implemented A/B testing tools to drive optimization and insights.

• Spearheaded the assembly of a top-tier engineering team in Costa Rica.
• Facilitated the company's successful incorporation in Costa Rica.
• Led Parsley Health's website migration from WordPress to Gatsby/React.
• Optimized conversion rates for the primary checkout flow.

• Designed conversion-optimized marketing landing pages from concept to deployment.
• Elevated the main website's conversion rate by over 200%.
• Led and implemented strategic marketing initiatives.
• Developed internal tools that automated tasks, saving over 40 hours of manual work each week. Python, Javascript, Selenium, Pupeteer.

• Developed websites for small local clients using various CMS and frameworks like Ruby on Rails, Drupal, WordPress and Joomla.

• Developed marketing websites and Facebook apps for industry leaders like Claro, Cervecería Costa Rica, and Kraft Foods.