{"id":2932713,"url":"https://alion.io/job/knowmad-mood-senior-react-developer-hibrido-madrid","title":"Senior React Developer (Híbrido Madrid)","company":{"id":53695,"name":"Knowmad Mood","domain":"knowmadmood.com","url":"https://alion.io/company/knowmad-mood","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":{"grade":"B","score":80,"open_postings":64,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":16,"computed_at":"2026-10-24T06:02:35Z"}},"role":"Frontend","role_family":"Frontend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Madrid, Spain"],"countries":["ES"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"Jest","optional":false},{"name":"Node JS","optional":false},{"name":"React.js","optional":false},{"name":"Redis","optional":false},{"name":"RxJS","optional":false},{"name":"Sass","optional":false},{"name":"styled-components","optional":false},{"name":"TypeScript","optional":false},{"name":"Webpack","optional":false}],"status":"live","first_seen_at":"2026-10-20T12:46:05Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-24T21:30:24Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"We are knowmad mood!\nSomos una compañía líder en transformación digital, en constante evolución y a la vanguardia de la tecnología. Nacimos para provocar un cambio real a través de la innovación y el desarrollo sostenible, con la misión de aportar valor a los clientes e impulsar nuestro talento.\nFormado por más de 3.000 personas creativas, digitales e innovadoras conectadas a un propósito y capaces de generar conexiones con personas de todo el mundo. Un equipo responsable, flexible y con alta capacidad de adaptación a las necesidades de nuestros clientes y del mercado, a la vez que proporciona valor, visión, creatividad, expertise, profesionalidad y pasión por la tecnología en cada proyecto.\nLos valores que marcan nuestro rumbo y nos guían hacia la excelencia son la colaboración, la innovación, el compromiso, la diversión y la confianza.\n¿Qué es lo que valoramos?\nExperiencia de al menos 5 años como Desarrollador/a Frontend Senior / React Developer en entornos de desarrollo modernos:\nAmplia experiencia en React, JavaScript y TypeScript para el desarrollo de aplicaciones web escalables y mantenibles.\nCapacidad para definir marcos de trabajo, arquitecturas frontend y buenas prácticas de desarrollo en proyectos React.\nConocimientos avanzados de HTML5, CSS3 y SASS.\nExperiencia trabajando con Node.js y ecosistemas modernos de desarrollo web.\nConocimientos en herramientas y librerías como Jest, RxJS, Webpack y Styled Components.\nExperiencia con bases de datos NoSQL, especialmente MongoDB y Redis.\nConocimiento de principios de diseño y desarrollo como SOLID, DDD (Domain Driven Design) y patrones de arquitectura.\nExperiencia en testing (unitario e integración), mocking, cobertura de código y buenas prácticas de calidad.\nExperiencia con Git y herramientas de integración y despliegue continuo (CI/CD).\nCapacidad de liderazgo técnico, trabajo en equipo y colaboración con perfiles multidisciplinares.\n¿Cuáles serían tus funciones?\nDesarrollar y mantener aplicaciones web con React, JavaScript y TypeScript.\nDefinir arquitecturas frontend y buenas prácticas de desarrollo.\nGarantizar la calidad del software mediante testing y revisión de código.\nGestionar y evolucionar servicios durante todo su ciclo de vida.\nColaborar con equipos multidisciplinares bajo metodologías Agile.\nLiderar iniciativas técnicas y mentorizar a desarrolladores junior.\nOptimizar la usabilidad, accesibilidad y rendimiento de las aplicaciones.\nProponer mejoras continuas alineadas con las necesidades del negocio.\nY con nosotros podrás disfrutar de:\nContrato Indefinido\nModelo híbrido: 2 días presenciales en oficina (Madrid - zona Barajas) y 3 días de teletrabajo.\nFormación interna y acceso a certificaciones Consulta nuestro calendario aquí:\nhttps://www.knowmadmood.com/es/talento/formacion\nPlan de retribución flexible (seguro médico, transporte, tickets guardería, tickets restaurante)\nEmbajador de nuestra marca, a través de nuestro plan amigo\n¡Recomienda a tus amigos y llévate un extra!\n¡Eventos, meetups, techdays, charlas...y mucho más!\nPara estar al corriente de nuestras novedades síguenos aquí -> knowmad mood\nEn knowmad mood nos comprometemos con la igualdad de oportunidades y el respeto a la diversidad. Aplicamos nuestro Plan de Igualdad y el principio de no discriminación en todos nuestros procesos de selección.","description_format":"text","description_chars":3324,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"Spanish","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Spain","iso":"ES","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["DevOps & Platform Engineering","IT Consulting & Digital Transformation","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-10-20T15:05:52Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":3,"expected_fill_days":16,"reasons":["conf:3","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-24T06:02:35Z"},"pay":null,"html_url":"https://alion.io/job/knowmad-mood-senior-react-developer-hibrido-madrid","json_url":"https://alion.io/job/knowmad-mood-senior-react-developer-hibrido-madrid.json","meta":{"generated_at":"2026-10-24T23:19:08Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":34302,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":53695},"rest":"https://alion.io/mcp/rest/get_company?id=53695"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fknowmad-mood-senior-react-developer-hibrido-madrid"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fknowmad-mood-senior-react-developer-hibrido-madrid"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fknowmad-mood-senior-react-developer-hibrido-madrid"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/knowmad-mood-senior-react-developer-hibrido-madrid\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fknowmad-mood-senior-react-developer-hibrido-madrid"}]}