Senior Frontend Engineer - React

4+ years of professional experience building scalable and reliable web applications Experience with React or another comparable JavaScript framework Experience developing own products in an agile company Familiarity with UI/UX design principles and best practices Excellent testing, debugging, and documentation skills Excellent communication skills in English You are proactive, able to communicate progress and delays, to work autonomously, and can take care of technical issues outside of their expertise Located in Spain, Portugal, or Germany

Build scalable web applications utilizing open-source tools and technologies Be able to work independently while communicating progress to other members of the team Analyze feature requirements, provide technical feedback, and estimations Identify and correct complex bugs and problems Plan technical architectures that minimize or eliminate performance problems, complexity, or solution fragility Implement a front end based on mock-ups and, in some cases, based on visual design