.Country: SpainOpen Digital Services is a tech company with a unique culture, dedicated to creating innovative products for Santander Group Affiliates. Open Digital Services is part of the Retail & Commercial Division of Santander Group, one of the world's largest financial institutions and the Eurozone's leader. We're committed to being the best Digital Bank with Branches in the industry.Our mission at ODS is to design and support an advanced digital and omnichannel platform, ensuring the best customer experience using cutting-edge technology. Openbank, our flagship partner, is where we develop our most advanced concepts. Be part of our Best-in-Class tech team and help us create unique value for our customers!Join us to tackle exciting tech challenges in an agile environment, benefiting from learning, growth, and local and international career opportunities in a modern, diverse setting.Mission: We're building an innovative, cutting-edge banking platform designed for seamless international expansion, prioritizing scalability, extension, and accessibility. Our architectural foundation embraces Domain-Driven Design, Ports & Adapters pattern, and other clean architecture concepts meticulously tailored to meet our unique requirements. Join us in shaping the future of frontend development within this visionary project!Responsibilities: Contribute to web development with React, Typescript, Javascript, HTML, and CSS.Craft a robust test suite using Jest and react-testing-library.Enhance and define our front-end architecture, rooted in clean architecture principles, SOLID, hexagonal architecture, and Domain-Driven Design (DDD).Approach tasks with a results-oriented mindset, taking ownership of your deliveries.Encourage strong communication and collaboration with team members and stakeholders.Collaborate in the improvement of our shared libraries, fostering a culture that welcomes individual contributions from all engineering team members.Engage in code reviews, pair programming sessions, and contribute to reinforcing best practices to maintain code quality and consistency.What are we looking for in this position? 4+ years of hands-on experience in Javascript, React.JS, and CSS-in-JS (Styled-Components).1+ years of proficient experience with Typescript, with expertise in generics, type narrowing, and other advanced topics.Experience with server-side-rendering (Next.JS or Gatsby).Proven track record in writing unit tests using Jest and react-testing-library, or similar testing frameworks.Knowledge of Object-Oriented Programming (OOP) in the context of Javascript.Familiarity with SOLID principles, clean architecture concepts, and a profound understanding of general software design patterns.Good communication skills both in English and Spanish at a B2-C1 level.Nice to have: Experience in site performance (lighthouse, React Performance, etc.).Knowledge of accessibility