Senior Front-End Developer

🔹 Senior Front-End Engineer 🔹

In CAPITOLE we are looking to reinforce our team with Senior Front-End Engineer with solid experience in code architecture and algorithmics, capable of making complex technical decisions and structuring medium / large scale applications.

📍 Location : On-site presence required 1 time every month and a half in Barcelona.

Job Requirements

🔹Proven experience leading architectural decisions in complex React or Next.js projects.

🔹 Deep expertise in JavaScript / TypeScript and advanced design patterns.

🔹Strong ability to optimize performance and manage rendering strategies (SSR, CSR, ISR).

🔹 Solid grasp of data structures and algorithms , and how they impact front-end performance.

🔹Experience working with complex API integrations and modern state management (Zustand, Redux, TanStack, etc.).

🔹Capable of mentoring other developers and reviewing code with a focus on quality and scalability.

🔹Languages : English - C1 / Spanish -B2.

Still don’t know us? Discover more : https : / / capitole-consulting.com /

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We’re excited to meet you!

The employee will adhere to information security policies :

• Will have access to confidential information related to Capitole and the project they are working on.
• Must comply with the security policies and internal policies of the company and the client.
• Must sign an NDA.