.Senior Web Developer - Components & KUBIT (ODS)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:At Kubit Team, we are committed to build 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 are easy to enhance user experiences across various platforms.You will collaborate with an expert team and a passionate community of developers. We aim 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).Improve 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 maintaining code quality and consistency.Take ownership of your deliveries and encourage 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.A minimum of 2 years of focused experience with ReactJS frameworks.Proven track record in writing unit tests using Jest and react-testing-library.Proficiency in CSS, with a preference for experience with Sass or Less preprocessors.Knowledge of Object-Oriented Programming (OOP) in Javascript.Familiarity with SOLID principles and clean architecture concepts.Good communication skills in English and Spanish at a B2-C1 level.Nice to have:Understanding of hexagonal architecture and Domain-Driven Design (DDD)Knowledge of Next