#### **Who are we?** If you like challenges and are looking to work at a company with an unstoppable desire to keep growing, this is your opportunity! Brooklyn Fitboxing is the leading fitness chain by number of centers in the European fitboxing sector, with more than 250 clubs and presence in over 9 countries. We offer our users a training program combining strength and cardio through punch bag rounds set to music, featuring a gamification system that allows users to track their progress, receive scores, and compete with other fitboxers worldwide. Our growth strategy is based on a franchise and company-owned center model with high profitability, enabling us to lead the sector's expansion in terms of new centers in Spain over recent years. #### **Why work with us?** * At Brooklyn, we face constant challenges, but with the security and stability of a proven business that is revolutionizing the fitness world. * We have an amazing team. Although the atmosphere is fresh and youthful, our teams consist of experts in each area, and most importantly, there is continuous synergy across all departments. Everything you say matters, adds value, and is shared. * We believe in flexibility and a hybrid work model that enables a healthy work-life balance. Each department organizes its workflow and manages its own time, although of course we all row toward the same goal. * Team happiness is our top priority, which is why we offer a range of employee benefits that will make your life at Brooklyn much more rewarding (free workouts at our own centers, language training, self-service fruit in the office, flexible compensation). #### **What will make you succeed in the role?** Success in this role relies on a combination of solid technical experience, a performance-driven mindset, and strong collaboration skills. * Academic background: Degree or Bachelor's in Computer Engineering, Computer Science, or equivalent training. * Professional experience: Minimum 3 years of experience in full stack web development, preferably in high-traffic environments or with a focus on performance and SEO. Key technical skills: * You need a minimum of 3 years of full stack development experience and be an expert in: * Backend: PHP with Symfony, and RESTful API design. * Frontend: JavaScript ES6+, Vue.js and React. * SEO and Analytics: Proficiency in Google Tag Manager and GA4, and experience with Core Web Vitals and technical SEO optimization. * DevOps: Knowledge of Docker, CI/CD, and version control with Git (GitFlow). Valued competencies (Soft Skills): * Results orientation with sensitivity towards performance and user experience. * Ability to work in multidisciplinary teams (marketing, data, design). * Autonomy and proactivity in problem solving. #### **What will be your mission?** Your main mission will be to ensure the company's web platforms are robust, scalable, and highly optimized for SEO and performance. You will be responsible for the design, development, and optimization of platforms, integrating solid technical development with advanced analytics and a results-oriented approach. This includes: * Designing, developing, and maintaining web applications using Symfony/PHP, HTML5, CSS3, and JavaScript. * Implementing and optimizing responsive user interfaces with Vue.js and React. * Designing and maintaining scalable RESTful APIs and backend services. * Optimizing technical performance with a focus on Core Web Vitals (LCP, CLS, INP, TTFB). * Configuring and validating Google Analytics 4 (GA4) and managing Google Tag Manager for tracking. * Attention to detail and commitment to product quality and testing (success KPI is >80% coverage).