SoftwareOne and Crayon have come together to form a global, AI-powered software and cloud solutions provider with a bold vision for the future. With a footprint in over 70 countries and a diverse team of 13,000+ professionals, we offer unparalleled opportunities for talent to grow, make an impact, and shape the future of technology. At the heart of our business is our people. We empower our teams to work across borders, innovate fearlessly, and continuously develop their skills through world-class learning and development programs. Whether you're passionate about cloud, software, data, AI, or building meaningful client relationships, you’ll find a place to thrive here. Join us and be part of a purpose-driven culture where your ideas matter, your growth is supported, and your career can go global. 

Are you passionate about building modern, high-performance web applications?
Do you enjoy working with the latest frontend frameworks and shaping the architecture of cloud-native solutions?
Would you like to join a people-first team where every idea is valued and continuous learning is part of the culture?

We are looking for a Senior Frontend Developer to join our Application Delivery Centre — a collaborative, distributed team focused on modernizing applications and developing innovative products across AWS, Azure, and Google Cloud.

Location: León, Santiago de Compostela o Madrid

Objectives

In this role, you will lead the development of modern frontend applications, ensuring high performance, scalability, accessibility, and excellent user experience. You will contribute to architectural decisions, mentor other developers, and uphold high standards in code quality and best practices.

Key Responsibilities

• Develop modern, cloud-ready applications using Angular, React, or Vue, applying clean architecture principles.

• Optimize frontend performance and deliver exceptional user experiences using Core Web Vitals best practices.

• Design high-quality integrations with REST and GraphQL services, ensuring efficient state, caching, and error handling.

• Contribute to code reviews, testing processes, and continuous improvement of development standards.

• Ensure accessibility, responsive design, and maintainable component architecture across applications

Essential

• Strong expertise in Angular and working experience with React or Vue.

• Advanced knowledge of HTML5, CSS Grid/Flexbox, TypeScript, and modern frontend patterns.

• Experience in performance optimization, responsive design, accessibility, and clean architecture.

• Strong understanding of testing tools (Jest, Cypress, Playwright) and DevOps workflows (Git, GitHub Actions, Azure DevOps).

• Passion for user experience, code quality, and continuous learning.

Desirable

• Experience with hybrid mobile/web development using Ionic or Capacitor.

• Familiarity with Storybook, SonarCloud, performance audits (Lighthouse, Web Vitals), and performance budgets.

• Knowledge of container queries, advanced caching strategies, and design systems.

SoftwareOne welcomes applicants from all backgrounds and abilities to apply. If you require reasonable adjustments at any point during the recruitment process, email us at [email protected].   

Please include the role for which you are applying and your country location. Someone from our organization that is not part of the decision-making process will be in touch to discuss your specific needs and we will make every effort to accommodate you. Any information shared will be stored securely and treated in the strictest of confidence in line with GDPR.  

At SoftwareOne, we are committed to providing an environment of mutual respect where equal employment opportunities are available to all applicants and teammates without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.  Additionally, we encourage experienced individuals that have taken an intentional career break and are now prepared to return to work to explore our SOAR program.