.Senior Web Developer - Components & KUBIT (ODS) Country: Spain Open 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: At Kubit Team, we are committed to building cutting-edge and open-source web components that empower the creation of high-performance user interfaces. As a front-end developer in Kubit team, your mission is to develop and optimize a set of flexible, scalable, and usable UI components that enhance user experiences across various platforms. You will collaborate with an expert team and a passionate community of developers, aiming to contribute to an ecosystem that prioritizes performance, accessibility, and modern web standards. Together, we will deliver innovative components that elevate the development experience for creators worldwide. 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). Collaborate on improving our shared libraries, fostering a culture that welcomes individual contributions from all engineering team members. Participate in code reviews, pair programming sessions, and reinforce common best practices to maintain code quality and consistency. Approach tasks with a results-oriented mindset, taking ownership of your deliveries and encouraging strong communication and collaboration with team members and stakeholders. What are we looking for in this position? 3+ years of hands-on experience in Javascript. 1+ years of proficient experience with Typescript, with expertise in generics and type narrowing. A minimum of 2 years of focused experience with ReactJS frameworks, demonstrating a deep understanding of compound components. Proven track record in writing unit tests using Jest and react-testing-library, or similar testing frameworks. Proficiency in CSS, with a preference for experience with Sass or Less preprocessors or CSS-in-JS solutions