I excel in developing RESTful APIs, SaaS applications, and automating tasks using Node.js. I optimize server performance, implement modern JavaScript best practices, and create SEO-optimized, responsive landing pages. • Developed and maintained RESTful APIs using Ruby on Rails and the MVC architecture, as well as SaaS applications with the Vue.js ecosystem, including Vue CLI, Vuex, Vue Router, and Nuxt.js.• Designed and implemented a Node.js service using Express and Puppeteer to automate the publishing of new positions on public boards, streamlining the process and increasing efficiency.• Demonstrated extensive experience in SQL environments by optimizing server performance, refining SQL queries, and implementing advanced caching techniques using Redis, resulting in reduced server load times and increased efficiency.• Employed modern JavaScript best practices and Object Oriented Programming principles to create scalable and maintainable code, resulting in a better overall application structure.• Enhanced Vue.js projects by adding new components, modifying existing code, and introducing new features, resulting in improved user experience and functionality.• Showcased expertise in crafting SEO-optimized, responsive landing pages and web applications using HTML, CSS3, Vue.js, Bulma, JavaScript, and TypeScript, resulting in enhanced user experience and increased search engine visibility.• Engaged in Test Driven Development, writing RSpec unit tests for Ruby on Rails applications, as well as creating unit tests for Node.js server and Vue.js panels, ensuring code reliability and maintainability.• Worked in Agile environments, adapting to iterative development processes and incorporating feedback for continuous improvement.• Utilized version control tools such as Git and GitHub, along with project management tools like JIRA, to effectively collaborate with team members and manage projects.