Middle JavaScript Software Engineer

Middle JavaScript Software Engineer

Ciklum

Remote, Spain

About the role:

As a Middle JavaScript Software Engineer, you'll become a part of a cross-functional development team engineering experiences of tomorrow.

Responsibilities:

• Develop and implement high-performing, user-friendly interfaces using Next.js and React;
• Build new features and tools from scratch, ensuring cross-browser and mobile compatibility;
• Maintain and enhance the existing website by fixing bugs and optimizing performance;
• Collaborate closely with Product, Design, Marketing, QA, and Operations teams;
• Conduct regular code reviews and write reusable, maintainable code;
• Test applications across browsers and devices to ensure consistency.

Requirements:

• 3+ years of experience in frontend development;
• Strong proficiency with Next.js, React, and TypeScript;
• Experience with frontend architecture and modular design;
• Proficiency in HTML, CSS/SASS, Tailwind, and BEM methodology;
• Strong understanding of responsive design and cross-device compatibility;
• Familiarity with testing frameworks and best practices for maintainable code;
• Knowledge of NPM including package creation, deployment, and optimization;
• Understanding of SOLID principles and software design patterns;
• Basic experience with AWS and cloud deployment practices;
• Proficient with Git, JSX, and modern frontend tools.

Desirable:

• Experience with performance analysis and optimization of frontend applications;
• Proven collaboration with UI/UX teams and cross-functional groups;
• Strong autonomy, initiative, and problem-solving mindset.