About the CompanyOur client reaches millions of people every day through their streaming services, radio networks, and TV channels. They firmly believe in the power of content, not just as a way of telling stories and touching lives, but also as a means of expanding worlds. About the RoleAs a Fullstack Software Engineer, you'll join with the mission to provide the best user experience to customers as part of the Product Area Attract, Acquire and Activate.The checkout team, which you will be part of, is responsible for key processes across the platform, including pricing selection, registration, and payment. The team consists of eight professionals, including Fullstack developers (Node, React), 1 Mobile developer, and a Product Manager.They are currently looking for a Senior profile who can drive initiatives forward and serve as a key reference within the team. This person will play an active role in leading the technological migration from PHP to NodeJS, ensuring a focus on design systems, observability, scalability, and integrations.They should be someone who makes things happen, providing technical mentorship to the team while fostering innovation and efficiency.ResponsibilitiesLead and actively participate in the migration from PHP to Node.JsContribute to the design, development, and maintenance of key platform servicesEnsure solutions are scalable, maintainable, and efficientWork on design systems, observability, and integrationsTake ownership of backend and frontend development using Node.Js and ReactDeveloping microservice/serverless architectureEmploying multiple programming paradigms and languagesWorking in a dynamic production environment supported by Github Actions and AWS services such as Lambdas, AKS, DynamoDB, etc.Engaging in an agile development process that promotes pair/mob programmingEnhancing product iterations based on consumer feedback and behavior dataMentor junior developers and support best practices within the teamCollaborate closely with Fullstack Engineers and Product ManagerPromote test and behavior driven development (TDD/BDD)Optimize performance and reliability in high transactional environmentsRequired SkillsSolid experience developing web based services with NodeJSDeep knowledge of TypeScript and ReactStrong understanding of REST APIsExperience with testing frameworks and best practices in TDD/BDDProven experience building services in AWSPassion for working with modern frameworks and technologiesAbility to mentor team members, drive technical decisions, and lead development strategiesPreferred SkillsExperience with high transactional, stateless systemsFamiliarity with PHP, Java, or RustKnowledge of DevOps and CI/CD pipelinesExperience working in international teams with English as the primary languageConditionsCompetitive salary.Hybrid model with offices in Plaza Catalunya.An attractive package with beneficial insurance.Health care plan.Meal vouchers.30 days of paid vacation.Flexible working hours.Flexible rem