Senior React.js Developer for an iGaming client in Marbella. Only candidates based in Spain!Fully remote or hybrid model of work from MarbellaFast requirement process- only 2 stages!Our client is looking for a Senior Frontend Developer to join their team in the Marbella, Spain office. You will work alongside a senior team of our clients` top talent, focusing on the core of their mission: combining casino excitement with gamification and storytelling to create unique user experiences.About the Role:As a Senior Frontend Developer, you will play a key role in developing our client`s platform, and enhancing user experiences across multiple sites. You'll be working in a fast-paced, high-energy environment with the latest technologies, contributing to our clients` mission to take user experience to the next level.Mandatory Skills:Mandatory skills are general web development and programming at an expert level.In addition, our client needs you to have experience (the more the better) with the following:React. Expert knowledge. Hooks, Suspense, and server-side rendering.Emotion + Theme UI. Using theming to build design systems and UI kits.React Router. Mostly v5, but we have apps that still use v3.Redux. Would help to navigate and refactor legacy code. Loads of custom middlewares, obscure data fetching with Redux Effects library.GraphQL (Apollo Server + URQL). Developing proxy for existing REST API services and migrating frontend apps from Redux.Benefits:Competitive Salary aligned with your experience and skills.Staff Annual Party and regular team-building activities.A supportive and collaborative team environment that goes the extra mile.Opportunity to work in our fantastic office location in Marbella with snacks and drinks provided.Professional development opportunities as part of a company that values innovation and creativity.And more benefits! Ready to build something extraordinary? Join us and be part of our exciting journey!