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.
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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.