A dynamic tech company in Barcelona is seeking an experienced Front-End Engineer to develop and maintain complex user interfaces using React.js and Next.js. The role offers a full-time freelance contract with a 3-month renewable term based on performance. The ideal candidate will have extensive experience with REST APIs and backend technologies like Node.js. Strong English communication skills are essential, and familiarity with container technologies such as Docker is a plus. #J-18808-Ljbffr