Senior Frontend Developer

SpainRemoteSenior

Semrush is a brand visibility platform, empowering marketers to command their online presence and create measurable impact. We unify SEO authority and AI visibility, so brands are found, cited, and chosen everywhere search happens. That’s how Semrush gained the trust of over 28 million users—from scaling startups to Fortune 500 companies.

Here, you own the way you work, but we move as one unbeatable team. We don’t just lead the market, we’re busy creating the world where Semrush is an unfair advantage for every marketer.

We move fast in ways to help you grow. Here, you have room to experiment, keep what works, and learn quickly from what doesn’t. Ready to share our ambition and make an impact? Then, this role may be for you.

About the role

  • Develop and maintain a component-based architecture for reuse across teams.

  • Optimize application performance and ensure a seamless user experience.

  • Write and maintain unit and integration tests to uphold code quality.

  • Collaborate with team members through pair programming, knowledge-sharing sessions, and mentoring.

  • Mentoring mid-level and junior developers, providing guidance and support.

  • Driving continuous improvement initiatives for the development process and codebase.

About you

Move together. Raise the bar. Learn fast—grow faster. That’s the default. And here’s what else is needed to succeed in this role: 

  • Proficiency in JavaScript/TypeScript with advanced experience in modern frontend development.

  • Experience designing and building performant, reusable UI components.

  • Deep understanding of HTML5 and experience with CSS preprocessors.

  • Deep knowledge of React

  • Strong knowledge of consuming and integrating APIs.

  • Familiarity with cross-browser compatibility and debugging tools.

  • Solid understanding of version control systems, particularly Git.

  • Expertise in testing and debugging, with a focus on maintaining robust, maintainable codebases.

  • Agile development experience, including Scrum and/or Kanban methodologies.

  • Knowledge of performance optimization techniques and tools for frontend applications.

About the perks

  • Unlimited PTO

  • Hobby & team building budget allowance

  • Employee Support Program

  • Loss of family member financial aid

  • Employee Resource Groups

Published on: 7/20/2026

Semrush

Semrush

Semrush is a leading AI-powered digital marketing SaaS platform used by 10,000,000 digital marketers worldwide.

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