P bSenior Front-End Engineer /b /ppbr/ppIn bCAPITOLE /b we are looking to reinforce our team with bSenior Front-End Engineer /bwith solid experience in code architecture and algorithmics, capable of making complex technical decisions and structuring medium/large scale applications. /ppbr/pp bLocation /b: On-site presence required b1 time every month and a half /b in bBarcelona. /b /ppbr/ppbJob Requirements /b /ppbr/pp Proven experience bleading architectural decisions /b in complex React or Next.js projects. /pp bDeep expertise /b in JavaScript/TypeScript and advanced design patterns. /pp Strong ability to boptimize performance /b and manage rendering strategies (SSR, CSR, ISR). /pp bSolid grasp of data structures and algorithms /b, and how they impact front-end performance. /pp Experience working with complex API integrations and modern state management (Zustand, Redux, TanStack, etc.). /pp Capable of mentoring other developers and reviewing code with a focus on quality and scalability. /pp Languages: bEnglish - C1 / Spanish -B2. /b /ppbr/ppStill don’t know us? Discover more: /ppbr/ppOr check what others are saying: Glassdoor /ppbr/ppbWe’re excited to meet you! /b /ppbr/ppbr/ppThe employee will adhere to information security policies: /ppbr/pulliWill have access to confidential information related to Capitole and the project they are working on. /liliMust comply with the security policies and internal policies of the company and the client. /liliMust sign an NDA. /li /ul