Senior JavaScript Engineer

Ciklum

Malaga, Spain

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