* I develop high-quality front-end, using modern technologies and following industry best practices.* I collaborate with multidisciplinary teams to ensure the efficient delivery of innovative and high-impact web projects.* Led performance optimization and scalability initiatives, working closely with development and infrastructure teams.* Experience in backend development with Node.js, Express and MongoDB.* Use of versioning tools such as Git and SVN.* Knowledge of CSS preprocessors such as SASS and LESS.* Familiarity with testing libraries such as Jest, Mocha and Chai.* Experience in agile development methodologies such as Kanban and Lean.* Use of Docker development environments for development efficiency.* Knowledge in performance optimization and SEO for web applications.