React Senior Developer

Description

We are knowmad mood! We are a leading digital transformation company, constantly evolving and at the forefront of technology. We were founded to drive real change through innovation and sustainable development, with the mission of delivering value to our clients and empowering our talent. Comprised of over 3\.000 creative, digital, and innovative individuals, connected by a shared purpose and capable of building connections with people worldwide. A responsible, flexible team with high adaptability to our clients’ and the market’s needs—while consistently delivering value, vision, creativity, expertise, professionalism, and passion for technology in every project. Our core values—collaboration, innovation, commitment, fun, and trust—guide us toward excellence. We are looking to hire a Frontend Developer with solid experience to contribute to the evolution and development of high-impact digital services. You will join a multidisciplinary team working with modern technologies, rigorous quality standards, and agile methodologies. If you are passionate about building scalable applications, promoting best development practices, and collaborating closely with other teams, we would love to meet you. **What do we value?** At least 5 years of experience in: * Proven Frontend development experience with React and TypeScript. * At least 1 year of experience in Contract Testing. * 1 to 3 years of experience working with Rollup, Webpack, and Node.js-based CLI tools. * 1 to 3 years of experience implementing microfrontend strategies. * 5 years of experience with CSS. * 3 to 5 years of experience in: + Integration and end\-to\-end testing using WebdriverIO and Selenium. + Visual testing with Playwright. + Accessibility testing. * 3 to 5 years of experience with Frontend design patterns and architecture. * 5 to 8 years of experience working with JSON, REST APIs, and web services. * **B2 English level—used regularly in oral meetings.** **What would your responsibilities be?** * Develop and evolve digital applications and services using React and TypeScript. * Design and implement scalable and maintainable Frontend solutions. * Participate in defining development architectures and patterns. * Collaborate with product, design, QA, and development teams to ensure high-quality delivery. * Implement and maintain microfrontend strategies. * Develop and integrate services based on REST APIs and other web services. * Ensure software quality through functional, integration, accessibility, and visual validation testing. * Contribute to continuous improvement of processes, tools, and best practices within the team. And with us, you can enjoy: Permanent contract **100% REMOTE** Internal training and access to certifications. Check our calendar here: https://www.knowmadmood.com/es/talento/formacion Flexible compensation plan (health insurance, transportation allowance, childcare vouchers, meal vouchers) Become a brand ambassador through our referral program Refer your friends and earn a bonus! Events, meetups, tech days, talks… and much more! 26 days of leave (22 vacation days, 2 personal days, and December 24th and 31st as default holidays) Working hours: 8\.30–18:00 (flexible) Monday–Thursday; Friday 8:00–15:00; Summer intensive schedule (July and August): 8:00–15:00 Stay updated on our latest news by following us here \-\> knowmad mood *At* ***knowmad mood*** *we are committed to equal opportunities and respect for diversity. We apply our Equality Plan and the principle of non-discrimination across all our recruitment processes.*