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 Backend Java + AI [Remote]

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 knowmad mood!

We are a leading digital transformation company, constantly evolving and at the forefront of technology.

Made up of more than 3,000 creative, digital, and innovative people connected to a purpose and capable of generating connections with people all over 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 a passion for technology in every project.

The values that mark our course and guide us toward excellence are collaboration, innovation, commitment, fun, and trust.

We are looking for a Senior Backend Java developer with a strong technical foundation and leadership capacity to join an international project within the People area of a large multinational in the retail sector.

This is a newly created project with a high degree of autonomy, where you will have the opportunity to define the architecture from scratch and work with modern technologies in a dynamic environment.

🧠 What will you do?

Design the product's backend architecture
Define and develop APIs (API First)
Ensure code quality (clean code, testing, best practices)
Actively participate in development (this is not just a management role)
Collaborate closely with frontend and other teams
Drive the use of AI in the development lifecycle
Work in an agile environment with a Spec Driven Development (SDD) approach

✅ Requirements

Solid experience as a Backend Java (Senior)
Mastery of Spring Boot and microservices
Experience in designing scalable architectures
Knowledge of Kafka or messaging systems
Best practices: SOLID, Clean Code, DDD
Experience with APIs and distributed environments

What do we offer?

Permanent contract
Remote work model 🏡. Option to work from offices, but always at the employee's choice.
Flexible schedule ⏰: flexible hours from 8:30 AM to 6:00 PM, with intensive Fridays from 8:00 AM to 3:00 PM and intensive hours in summer (July and August) 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 the option of 12 or 14 payments.
Flexible compensation 💳: Restaurant card, childcare vouchers, health insurance, training, and other benefits with tax advantages.
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 environment.
Social events 🎮: Activities to connect with the team.

¡Apply and we will give you more details! 🚀

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At knowmad mood 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.

View original advert (Spanish)

We are knowmad mood!

Somos una compañía líder en transformación digital, en constante evolución y a la vanguardia de la tecnología.

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.

Buscamos un/a Senior Backend Java con fuerte base técnica y capacidad de liderazgo para incorporarse a un proyecto internacional dentro del área de People de una gran multinacional del sector retail.

Se trata de un proyecto de nueva creación, con mucha autonomía, donde tendrás la oportunidad de definir la arquitectura desde cero y trabajar con tecnologías modernas en un entorno dinámico.

🧠 ¿Qué harás?

Diseñar la arquitectura backend del producto
Definir y desarrollar APIs (API First)
Asegurar la calidad del código (clean code, testing, buenas prácticas)
Participar activamente en el desarrollo (no es un rol solo de gestión)
Colaborar estrechamente con frontend y otros equipos
Impulsar el uso de IA en el ciclo de vida del desarrollo
Trabajar en un entorno ágil con enfoque Spec Driven Development (SDD)

✅ Requisitos

Experiencia sólida como Backend Java (Senior)
Dominio de Spring Boot y microservicios
Experiencia en diseño de arquitecturas escalables
Conocimientos de Kafka o sistemas de mensajería
Buenas prácticas: SOLID, Clean Code, DDD
Experiencia con APIs y entornos distribuidos

¿Qué ofrecemos?

Contrato indefinido
Modelo de trabajo en remoto 🏡. Opción de ir a trabajar a oficinas pero siempre a elección del trabajador.
Horario flexible ⏰: horario flexible entrada 8.30h salida 18h con viernes intensivo de 8h a 15h y en 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.