knowmad mood is a leading Spanish technology consulting firm specializing in digital transformation, software development, and IT strategy. With a workforce of over 2,500 professionals, the company provides high-impact services across various sectors including banking, insurance, and retail, helping organizations navigate complex technological shifts through innovation and agile methodologies.

Headquartered in Madrid, the company maintains a significant presence across Spain with multiple regional hubs and a strong culture of remote work. For international professionals, knowmad mood is an attractive employer due to its involvement in large-scale international projects, frequent requirements for English-speaking talent, and a flexible "work from anywhere" policy for many of its technical roles.

Founded in 1994 as atSistemas, the company rebranded to knowmad mood in 2023 to reflect its international expansion and digital transformation focus. It is currently listed on the BME Growth market and continues to grow through both organic development and strategic acquisitions.

For international professionals

Offers a high volume of 100% remote roles, allowing employees to live anywhere in Spain.
Many positions specifically require high English proficiency (C1 level), making it accessible for international talent.
Publicly traded on the BME Growth market, indicating financial stability and corporate transparency.
Operates multiple physical offices in major Spanish cities including Madrid, Barcelona, and Palma de Mallorca for those preferring hybrid work.
Actively hires for modern tech stacks including AI, Cloud (AWS/Azure), and DevOps.

Senior Fullstack Developer Angular / NodeJS (hybrid Barcelona)

knowmad mood

This job was originally posted in Spanish and automatically translated to English. You'll most likely need Spanish to apply.

Job Description

We are looking for a Senior Fullstack Developer Angular / NodeJS with solid experience in application development to work for a well-known client in the insurance sector (hybrid, 2 days in Barcelona)

At least 5 years of experience is required

🛠️ Responsibilities

Participation in the entire project lifecycle: requirements gathering, modeling, development, maintenance, and testing.
Design and development of scalable SPA architectures
Implementation of reusable components and internal libraries
State management:
- NgRx / Akita / Signals
Integration with REST/GraphQL APIs:
- Error handling
- Retries, caching, and concurrency control (RxJS)
Performance optimization:
- Change detection optimization (OnPush)
- Virtual scrolling, memoization
Frontend testing:
- Unit tests (Jasmine, Karma, or Jest)
- E2E (Cypress / Playwright)

Design of robust RESTful APIs:
- Versioning
- Standardization (OpenAPI/Swagger)
Development with frameworks such as:
- Express.js / NestJS
Design of decoupled business logic:
- Hexagonal architecture / clean architecture

Database management:
- SQL (PostgreSQL, MySQL)
- NoSQL (MongoDB)
Security control:
- Authentication (JWT, OAuth2)
- Authorization (roles, scopes)
Backend testing:
- Unit + integration tests (Jest, Mocha)

Creation of technical documentation.

What do we offer?

Permanent contract 📄: From day one, with an option of 12 or 14 payments
Hybrid model: 2 days a week at offices in Barcelona city
Flexible schedule ⏰: Start 8:30 AM, finish 6:00 PM (with flexibility), Fridays from 8:00 AM to 3:00 PM. Summer: July and August: intensive schedule from 8:00 AM to 3:00 PM
Vacations 🌴: 22 vacation days + 2 personal days, in addition to December 24th and 31st off.
Permanent contract 📄: From day one, with an option of 12 or 14 payments.
Flexible remuneration 💳: Restaurant card, childcare vouchers, health insurance, training, and other tax-advantaged benefits.
Benefits club 🎁: Discounts on technology, leisure, and training.
Continuous training 📚: Access to Udemy Business, language courses, official certifications, and technical training.
Career plan 🚀: Support to grow, specialize, or take on new challenges.
Integral wellbeing 💚: Nutrition, physical activity, and emotional balance programs.
Work-life balance +VIDA 👨 👩 👧 👦: 24/7 personal and family assistance.
Inclusive environment 🌍: Diverse and multicultural setting.
Social events 🎮: Activities to connect with the team.

Interested in knowing more?

Apply now and we will be happy to discuss all the details with you.

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"We are committed to equal opportunity and respect for diversity. We apply our Equality Plan and the principle of non-discrimination in all our selection processes."

Join a team of digital nomads!

View original advert (Spanish)

Buscamos un/a Fullstack Developer Angular / NodeJS Senior con sólida experiencia en el desarrollo de aplicaciones para trabajar en un conocido cliente del sector seguros (híbrido 2 días en Barcelona)

Es necesario aportar almenos 5 años de experiencia

🛠️ Responsabilidades

Participación en todo el ciclo del proyecto: toma de requisitos, modelado, desarrollo, mantenimiento y pruebas.
Diseño y desarrollo de arquitecturas SPA escalables
Implementación de componentes reutilizables y librerías internas
Gestión de estado:
- NgRx / Akita / Signals
Integración con APIs REST/GraphQL:
- Manejo de errores
- Retries, caching y control de concurrencia (RxJS)
Optimización del rendimiento:
- Change detection optimization (OnPush)
- Virtual scrolling, memoization
Testing frontend:
- Unit tests (Jasmine, Karma o Jest)
- E2E (Cypress / Playwright)

Diseño de APIs RESTful robustas:
- Versionado
- Estandarización (OpenAPI/Swagger)
Desarrollo con frameworks como:
- Express.js / NestJS
Diseño de lógica de negocio desacoplada:
- Arquitectura hexagonal / clean architecture

Gestión de bases de datos:
- SQL (PostgreSQL, MySQL)
- NoSQL (MongoDB)
Control de seguridad:
- Autenticación (JWT, OAuth2)
- Autorización (roles, scopes)
Testing backend:
- Unit + integration tests (Jest, Mocha)

Realización de la documentación técnica.

¿Y nosotros qué ofrecemos?

Contrato indefinido 📄: Desde el primer día, con opción de 12 o 14 pagas
Modelo híbrido: 2 días a la semana oficinas en Barcelona ciudad
Horario flexible ⏰: Entrada 8.30h salida 18h (con flexibilidad) viernes de 8h a 15h. Verano: Julio y Agosto: intensivo de 8h a 15h
Vacaciones 🌴: 22 días de vacaciones + 2 días de libre disposición, además de los días 24 y 31 de diciembre libres.
Contrato indefinido 📄: Desde el primer día, con opción de 12 o 14 pagas.
Retribución flexible 💳: Tarjeta restaurante, cheque guardería, seguro médico, formación y otros beneficios con ventajas fiscales.
Club de ventajas 🎁: Descuentos en tecnología, ocio y formación.
Formación continua 📚: Acceso a Udemy Business, cursos de idiomas, certificaciones oficiales y formación técnica.
Plan de carrera 🚀: Acompañamiento para crecer, especializarte o asumir nuevos retos.
Bienestar integral 💚: Programas de nutrición, actividad física y equilibrio emocional.
Conciliación +VIDA 👨 👩 👧 👦: Asistencia personal y familiar 24/7.
Ambiente inclusivo 🌍: Entorno diverso y multicultural.
Eventos sociales 🎮: Actividades para conectar con el equipo.