Senior JavaScript Engineer

Ciklum
is looking for a
Senior JavaScript Engineer
to 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 guide technical decisions, mentor other engineers, and ensure high-quality standards across the team.

Responsibilities:

• Design and implement scalable and maintainable architectures using modern web technologies and best practices
• Lead technical discussions and define development standards, ensuring consistency and code quality across the team
• Mentor and support other developers through code reviews, knowledge sharing, and pair programming
• Collaborate closely with Product Owners, Designers, and DevOps to shape the technical roadmap
• Drive improvements in performance, security, and user experience

Requirements:

Software Design

• Proven experience designing end-to-end solutions for complex features and systems
• Ability to make strategic technical decisions and document architecture effectively
• Experience with performance optimization and scalable frontend design patterns

Software Development

• 5+ years of experience in modern frontend development
• Strong expertise in Angular, JavaScript (ES6+), HTML, and CSS
• Experience with state management, RxJS, and modular application structures
• Familiarity with TypeScript, RESTful APIs, and micro-frontend architectures is a plus

Quality Assurance

• Deep understanding of testing methodologies (unit, integration, and end-to-end testing)
• Hands-on experience with testing frameworks (Jest, Jasmine, Cypress, etc.)
• Able to define and enforce quality metrics and code review standards

Software Deployment

• Experience configuring and optimizing CI/CD pipelines (TravisCI, GitLabCI, etc.)
• Collaboration experience with DevOps teams for containerization and cloud deployments

Personal skills:

• Leadership & Accountability
• Takes ownership of technical delivery and team outcomes
• Leads by example, driving a culture of responsibility and continuous improvement
• Drive & Initiative
• Proactively identifies areas for improvement and leads change
• Passionate about innovation, staying up to date with the latest technologies and trends
• Communication
• Excellent written and spoken English
• Capable of explaining complex concepts clearly and constructively

What`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 days
• Tailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy license, language courses and company-paid certifications
• Growth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globally
• Flexibility: 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 Fridays
• Opportunities: 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 potential
• Global impact: work on large-scale projects that redefine industries with international and fast-growing clients
• Welcoming environment: feel empowered with a friendly team, open-door policy, informal atmosphere within the company and regular team-building events

About 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.

Want to learn more about us? Follow us on Instagram, Facebook, LinkedIn.

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.