Your new companyYou will be part of one of the best Tech Hubs in Spain for a big electronics retail company.The project will be part of the Payment basket platform.They work in a collaborative, remote-friendly environment where technical expertise directly impacts customer experience and business growth.Your new roleDevelop value-adding features for our customers and leverage your technical expertise to create the best possible solutions following the Clean Code principles.Embrace DevOps, taking responsibility for your team's services from requirement analysis to operation.Make architectural decisions with your team to ensure high performance, robustness, and maintainability of the application, especially during the transition from on-premise to the cloud.Share your knowledge with your team colleagues, assist them, and contribute to the growth of the entire team.Understand recurring support requests and implement automated solutions in the code.Foster an open, honest, and constructive discussion culture within the team through your confident yet reflective manner.What will you need to fit in it?5+ years of professional experience working with KotlinKnowledge in front-end technologies such as HTML5, CSS3, JavaScript/TypeScript, and frameworks like ReactStrong knowledge of backend technologies and frameworks like Node.js, Express, Spring BootYou have extensive experience in API design and know how to integrate microservices in a fault-tolerant and RESTful manner.You have experience working with SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases.Knowledge of version control systems like Git.Proficiency in cloud platforms, preferrably Google CloudExperience with continuous integration and continuous deployment (CI/CD) pipelines.Understanding of payment gateways and integration (e.g., Stripe, PayPal).Familiarity with performance optimization techniques for web applications.In addition to solid knowledge of object-oriented programming languages (preferably Java), you h