Senior Front-End Developer

Senior Front-End Developer

Company: HITACHI ENERGY SPAIN, S.A.U.

Location: Barcelona, Spain; Zaragoza, Zaragoza, Spain; Madrid, Spain

Job Schedule: Full time

Remote: No

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.

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.

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.