Ciklum
Ciklumis looking for aSenior JavaScript Engineerto join our team in Spain.We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.About the role:As a Senior JavaScript Engineer, you'll become a part of a cross-functional development team engineering experiences of tomorrow. You will be responsible for creating modern, high-performance web experiences for both our customer-facing sites and internal tools.Responsibilities:Develop modern, high-converting user interfaces using effective marketing and design techniquesImplement the frontend for our public sites and internal tools, ensuring compliance with web standards and full cross-browser and mobile responsivenessIntegrate frontend components with PHP-based environments (experience with Twig or similar templating engines is a plus)Execute tests across multiple browsers and devices to ensure maximum performance and reliabilityCollaborate closely with Product, Marketing, Design, QA, and Operations teamsPerform regular code reviews to maintain quality and consistency across the teamWrite clean, reusable, and efficient code, adhering to established best practices and design patternsRequirements:5+ years of professional experience in frontend developmentStrong proficiency in HTML5, CSS3, JavaScript (vanilla and jQuery), and GitSolid understanding of PHP environments and familiarity with Twig or similar templating systemsAbility to code from scratch using modern JavaScript (ES6+)In-depth knowledge of CSS methodologies (e.g., BEM) and preprocessors such as SASSComfortable using package managers (Yarn, NPM, etc.)A passion for clean code, design patterns, and best practicesExperience with A/B test coding and comprehensive browser testing/debuggingStrong analytical and problem-solving skillsConversational Spanish and Intermediate English communication skills are requiredProactive, flexible, self-driven, and with an entrepreneurial mindsetDemonstrated ability to work independently and take ownership of features and projectsDesirable:Experience contributing to projects using React and/or TypeScript for scalable frontend solutionsProven experience in mentoring junior developers and participating in code architecture discussionsWhat`s in it for you?Care: your mental and physical health is our priority. We ensure comprehensive company-paid medical insurance and 4 additional undocumented sick leave daysTailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy license, language courses and company-paid certificationsGrowth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globallyFlexibility: Own your schedule – you are the one to decide when to start your working day. Just don’t miss your regular team stand-up. We are there to support your work-life balance and provide 23 vacation days & short FridaysOpportunities: we value our specialists and always find the best options for them. Our Internal Mobility Program helps change a project if needed to help you grow, excel professionally and fulfill your potentialGlobal impact: work on large-scale projects that redefine industries with international and fast-growing clientsWelcoming environment: feel empowered with a friendly team, open-door policy, informal atmosphere within the company and regular team-building eventsAbout us:At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.Based in Málaga, our team thrives in one of Andalusia’s leading tech hubs. Enjoy a hybrid work setup, the sunny Mediterranean vibe, and endless opportunities to grow your skills on global-scale projects.Explore, empower, engineer with Ciklum!Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.