We're hiring a Frontend Developer with experience in modern Java Script frameworks for a long-term project in Lisbon.Location: Lisbon (hybrid model)Start Date: ASAPKey Responsibilities:Design, develop, and optimize user interfaces for web applicationsCollaborate with backend developers and UX/UI designers to implement functional front-end featuresEnsure high performance and responsiveness of applicationsMaintain and enhance the existing codebaseFollow Agile development processes and participate in sprint planningRequired Skills:6+ years of experience as a frontend developerProficiency with Java Script and at least one modern frontend framework: React, Angular, or Vue.jsSolid understanding of HTML5, CSS3, and RESTful APIsExperience with version control tools such as GitStrong communication skills in English (written and spoken); Portuguese is a plusInterested candidates must apply directly or send their CV and daily rate to j.sierra@asenium.com.