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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Frontend Engineer - Barcelona - **Company:** Jobrapido - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Automation of Tests, Software Quality, Code Review, Ui Patterns, TypeScript, ReactJS, Cypress (Programming Language), Real Time Data, Front End Software Development, JestJS - **Published:** September 25, 2026 - **Apply:** https://www.buscojobs.com.es/senior-frontend-engineer-barcelona-en-barcelona-ID-373138175 ## About the Role This role offers leadership in architecture, mentoring, and cross-team collaboration to deliver scalable frontend estate for Lodgify's platform.Compensaciones / BeneficiosRemote flexibility25 days paid vacationAlan health insuranceFlexible remuneration for meals and transportHome office gearAnnual offsiteResponsabilidadesArchitect and refine dense, stateful interfaces (reservations, multi-property calendars, guest messaging)Collaborate across squads to build reusable UI patterns, libraries, and data-access layersImplement real-time updates with SSE and optimistic UI to keep data in syncLead platform migrations, consolidating domain packages into a monorepoElevate tooling with centralized TypeScript settings, test configurations, and CI pipelinesEnsure safe releases via feature flags and post-rollout cleanupAdvance testing across unit, visual regression, and end-to-end suites with monitoringMentor mid-level frontend engineers and improve code review practicesDocument technical decisions to empower the engineering teamRequisitos principales6+ years of production experience with React and TypeScript2+ years in a large, shared codebase with multiple teamsProven track record of incremental frontend estate migrationsExpertise xqysrnh in state management, real-time data flows (SSE), and performance optimizationHands-on experience with automated testing tools (Vitest, Cypress, happy-dom) and visual regression testingHigh standards for software quality and ability to establish shared foundationsContinuous improvement mindset and strong cross-functional collaborationMentoring and ability to share technical context to empower peersboundaryless collaborationmentoring and coachingstrong code review cultureReactTypeScriptstate management ## Description OverviewEnvíe su solicitud a continuación después de leer todos los detalles y la información de apoyo sobre esta oportunidad de trabajo.As a Senior Frontend Developer in the Bookings Group, you shape high-traffic, real-time interfaces for property managers.You will drive frontend evolution, promote shared UI patterns, and raise engineering standards across squads.You work on live data experiences with SSE and optimistic updates, support monorepo migrations, and improve tooling and testing.This role offers leadership in architecture, mentoring, and cross-team collaboration to deliver scalable frontend estate for Lodgify's platform.Compensaciones / BeneficiosRemote flexibility25 days paid vacationAlan health insuranceFlexible remuneration for meals and transportHome office gearAnnual offsiteResponsabilidadesArchitect and refine dense, stateful interfaces (reservations, multi-property calendars, guest messaging)Collaborate across squads to build reusable UI patterns, libraries, and data-access layersImplement real-time updates with SSE and optimistic UI to keep data in syncLead platform migrations, consolidating domain packages into a monorepoElevate tooling with centralized TypeScript settings, test configurations, and CI pipelinesEnsure safe releases via feature flags and post-rollout cleanupAdvance testing across unit, visual regression, and end-to-end suites with monitoringMentor mid-level frontend engineers and improve code review practicesDocument technical decisions to empower the engineering teamRequisitos principales6+ years of production experience with React and TypeScript2+ years in a large, shared codebase with multiple teamsProven track record of incremental frontend estate migrationsExpertise xqysrnh in state management, real-time data flows (SSE), and performance optimizationHands-on experience with automated testing tools (Vitest, Cypress, happy-dom) and visual regression testingHigh standards for software quality and ability to establish shared foundationsContinuous improvement mindset and strong cross-functional collaborationMentoring and ability to share technical context to empower peersboundaryless collaborationmentoring and coachingstrong code review cultureReactTypeScriptstate management ## Related Videos - [Watch Tests Go Brrrr! 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