Senior Front-End Engineer
CAPITOLE
We are looking to reinforce our team with a Senior Front-End Engineer who has solid experience in code architecture and algorithms, capable of making complex technical decisions and structuring medium to large-scale applications.
Location: On-site presence required
Once 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 their impact on 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.
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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.
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