




Summary: Seeking a talented Senior Front-End Developer to design, develop, and maintain modern, high-quality user interfaces for critical enterprise applications, ensuring excellent user experience and seamless interaction with backend systems. Highlights: 1. Design and implement responsive, high-performance user interfaces. 2. Collaborate with diverse teams to deliver end-to-end solutions. 3. Contribute to continuous improvement and coach junior developers. **Location:** Barcelona, Spain **Job ID:** R0132380 **Date Posted:** 2026\-06\-11 **Company Name:** HITACHI ENERGY SPAIN, S.A.U. **Profession (Job Category):** Data Analytics/Business Intelligence **Job Schedule:** Full time **Remote:** No **Job Description:** **The opportunity** Hitachi, Ltd. is seeking a talented **Senior Front\-End Developer** to design, develop, and maintain modern, high\-quality user interfaces for critical enterprise applications, ensuring excellent user experience and seamless interaction with backend systems. **How** **you’ll** **make an impact** * Design, develop, and implement responsive, high\-performance, and accessible user interfaces using modern JavaScript frameworks (Angular). * Translate UI/UX designs and business requirements into clean, maintainable, and reusable front\-end code. * Collaborate closely with backend developers, UX/UI designers, product managers, and other stakeholders to deliver end\-to\-end solutions. * Ensure cross\-browser compatibility and optimize applications for maximum speed and scalability. * Apply best practices in front\-end architecture, state management, and component\-based development. * Participate in code reviews, providing constructive feedback and ensuring adherence to coding standards and architectural guidelines. * Troubleshoot, debug, and resolve UI\-related issues across different environments. * Implement and maintain front\-end testing strategies (unit, integration, and end\-to\-end tests). * Contribute to continuous improvement of development processes, tools, and front\-end best practices. * Stay up to date with emerging front\-end technologies, frameworks, and industry trends. * Coach and support junior front\-end developers, reviewing their work and promoting knowledge sharing within the team. **Your background:** * Bachelor’s degree in Computer Science , Software Engineering, or a related field, or equivalent practical experience. * Minimum **5 years of proven experience as a Front\-End Developer** , preferably in enterprise or large\-scale applications. * Strong proficiency in **HTML5, CSS3, and JavaScript/TypeScript** . * Hands\-on experience with modern front\-end frameworks . Mandatory experience with Angular; experience with other frameworks such as React or Vue.js is desirable. * Solid understanding of responsive design, cross\-browser compatibility, and web performance optimization. * Experience working with RESTful APIs and integrating front\-end applications with backend services. * Familiarity with state management libraries (e.g., Redux, NgRx , Vuex ) is a plus. * Knowledge of testing frameworks (e.g., Jest, Cypress, Playwright) is desirable. * Experience with version control systems, preferably Git. * Understanding of accessibility standards (WCAG) and UX best practices is a plus. * Strong problem\-solving skills, attention to detail, and a proactive mindset. * Excellent communication skills and ability to work effectively in a collaborative, cross\-functional team. **More about us** A holistic range of competitive benefit programs to support your financial, physical and mental wellbeing and personal development. We want you to truly thrive with us – in work and out. For this role, depending on grade and experience, we offer the following employee benefits (subject to the respective plan rules): Annual Incentive Plan, Flexible Working, Meal Allowance, Life Insurance, Medical Check\-up, Psychological assistance, Language training, Coaching \& Assessments. **Qualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a** **general inquiry form** **on our website. Please include your contact information and specific details about your required accommodation to support you during the job application process.** ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ **This is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. 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