🇬🇧
React Senior Developer
knowmad mood·Madrid, Spain
What they offer
Permanent contract
Per the ad.
Hybrid
Office and home days — the ad has the split.
What they ask for
Have the right to work in Spain
knowmad mood doesn't mention sponsorship in the ad.
Be near Madrid for hybrid days
No relocation package mentioned.
Have 5+ years of experience
Senior-level role.
Pulled from the advert automatically — the full ad is what counts.
This job was published 4 months ago
What you'll do
• Design, develop and maintain user interfaces using React, Next.js and TypeScript.
• Participate in technical analysis sessions and refinements to define solutions aligned with business requirements.
• Work side by side with backend, UX/UI and product teams, both during the definition phase
and in day-to-day development.
• Ensure that technical decisions are well founded and contribute to the stability and
sustainability of projects.
• Implement and run tests with Vitest and React Testing Library to guarantee the quality,
stability and robustness of the delivered code.
• Participate in code reviews, ensuring compliance with best practices and the team's technical
standards.
• Create new interfaces from scratch, as well as maintain, refactor and customize existing
components.
• Document code, processes and technical decisions clearly and effectively, facilitating
knowledge transfer within the team.
• Carry out the work autonomously, providing well-founded solutions and
showing responsibility in decision-making.
What you'll get
And with us you can enjoy:
✅Permanent contract
✅ 2 Days On-site Madrid + 3 REMOTE
✅Internal training and access to certifications ♻Check our calendar here:
https://www.knowmadmood.com/es/talento/formacion
✅Flexible benefits plan (health insurance, transportation, childcare vouchers, restaurant vouchers)
✅Ambassador of our brand, through our friend referral plan
Refer your friends and get an extra bonus!
✅Events, meetups, techdays, talks...and much more!
✅ 26 days of rest (22 vacation days, 2 personal days, and December 24 and 31 as holidays by default)
✅ Schedule: 8:30 a.m. to 6 p.m. (flexible) Mon-Thu and Fri 8 a.m. to 3 p.m., and intensive summer schedule in July and August from 8 a.m. to 3 p.m.
How you'll work
permanent
hybrid
About the company & team
We are knowmad mood!
We are a leading digital transformation company, constantly evolving and at the forefront of technology. We were born to drive real change through innovation and sustainable development, with the mission of bringing value to clients and boosting our talent.
Made up of more than 3,000 creative, digital, and innovative people connected to a purpose and capable of generating connections with people around the world. A responsible, flexible team with a high capacity to adapt to the needs of our clients and the market, while providing value, vision, creativity, expertise, professionalism, and passion for technology in every project.
The values that set our course and guide us toward excellence are collaboration, innovation, commitment, fun, and trust.
Frontend Community
What do we value?
• Solid experience of at least 5 years developing with React, Next.js, TypeScript and handling APIs.
• Advanced knowledge of testing with Vitest and React Testing Library.
• Previous experience working with agile methodologies (Scrum/Kanban).
• Knowledge of hybrid application development.
Stack
o Solid foundation in JS and React
o TypeScript
o Design patterns
o Use of best practices
o Monorepo architecture
o Experience with native applications or environments at the development and Store publishing level
o Atomic Design
o Integration with third parties and APIs
o CI/CD
Frameworks
o Next.js
o Headless CMS (Strapi)
o Vitest
Libraries
o React-query (Tanstack)
o Styled-components (Vanilla-extract)
o React-hook-form
o Recharts
o React-testing-library
o Playwright
o Storybook
o Capacitorjs
Testing
o Unit tests (React-testing-library)
o Acceptance tests (Playwright)
o E2E tests (Playwright)
Additional information
At knowmad mood we are committed to equal opportunities and respect for diversity. We apply our Equality Plan and the principle of non-discrimination in all our selection processes.
What you'll do
• Diseñar, desarrollar y mantener interfaces de usuario utilizando React, Next.js y TypeScript.
• Participar en sesiones de análisis técnico y refinamientos para definir soluciones alineadas con los requisitos del negocio.
• Trabajar codo a codo con equipos de backend, UX/UI, y producto, tanto en la fase de definición
como en el desarrollo del día a día.
• Garantizar que las decisiones técnicas estén bien fundamentadas y contribuyan a la estabilidad y
sostenibilidad de los proyectos.
• Implementar y ejecutar tests con Vitest y React Testing Library para garantizar la calidad,
estabilidad y robustez del código entregado.
• Participar en revisiones de código, asegurando el cumplimiento de buenas prácticas y estándares
técnicos del equipo.
• Crear nuevas interfaces desde cero, así como mantener, refactorizar y personalizar componentes
existentes.
• Documentar de manera clara y efectiva el código, procesos y decisiones técnicas, facilitando la
transferencia de conocimiento dentro del equipo.
• Desempeñar el trabajo de manera autónoma, aportando soluciones bien fundamentadas y
mostrando responsabilidad en la toma de decisiones.
What you'll get
Y con nosotros podrás disfrutar de:
✅Contrato Indefinido
✅ 2 Días Presencial Madrid + 3 en REMOTO
✅Formación interna y acceso a certificaciones ♻Consulta nuestro calendario aquí:
https://www.knowmadmood.com/es/talento/formacion
✅Plan de retribución flexible (seguro médico, transporte, tickets guardería, tickets restaurante)
✅Embajador de nuestra marca, a través de nuestro plan amigo
¡Recomienda a tus amigos y llévate un extra!
✅¡Eventos, meetups, techdays, charlas...y mucho más!
✅ 26 días de descanso (22 días vacaciones, 2 días de libre disposición y 24 y 31 diciembre festivos por defecto)
✅ Horario: 8.30 a 18h ( flexible) L-J y V 8 a 15h e Intensiva de Verano Julio y Agosto de 8 a 15h
How you'll work
permanent
hybrid
About the company & team
We are knowmad mood!
Somos 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.
Formado 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.
Los valores que marcan nuestro rumbo y nos guían hacia la excelencia son la colaboración, la innovación, el compromiso, la diversión y la confianza.
Comunidad Front
¿Qué es lo que valoramos?
• Experiencia sólida a partir de 5 años desarrollando con React, Next.js, TypeScript y con el manejo de APIs.
• Conocimiento avanzado en testing con Vitest y React Testing Library.
• Experiencia previa trabajando con metodologías ágiles (Scrum/Kanban).
• Conocimientos en desarrollo de aplicaciones híbridas.
Stack
o Buena base en JS y React
o Typescript
o Patrones de diseño
o Uso de buenas prácticas
o Arquitectura monorepo
o Experiencia con aplicaciones o entorno nativos a nivel de desarrollo y publicación en Stores
o Atomic Design
o Integración con terceros y APIS
o CI/CD
Frameworks
o Nextjs
o CMS Headless (Strapi)
o Vitest
Librerías
o React-query (Tanstack)
o Styled-components (Vanilla-extract)
o React-hook-form
o Rechart
o React-testing-library
o Playwright
o Storybook
o Capacitorjs
Testing
o Test Unitarios (React-testing-library)
o Test de aceptación (Playwright)
o Test E2E (Playwright)
Additional information
En 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.
You'll most likely need Spanish to apply.This job was automatically translated to English, .
About the company
knowmad mood
IT Consulting
🇬🇧
🇬🇧
🇬🇧
🇬🇧
🇬🇧
🇬🇧
🇬🇧
🇬🇧
🇬🇧
🇬🇧
🇬🇧
Blue Card threshold🇬🇧
Blue Card threshold
🇬🇧
🇬🇧
🇪🇸
🇬🇧
🇬🇧 🇪🇸
🇬🇧
