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.

Java Microservices Developer

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. We were born to provoke real change through innovation and sustainable development, with the mission of adding 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 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 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 backend developer specialized in Java to join a technical team focused on building distributed services and business-critical APIs. You will play a key role in the design and development of robust, secure, and efficient solutions within a microservices architecture.

What do we value?

At least 5 years of experience in:

Experience in development with Java (version 8 or higher).
At least 3 years of experience in Kotlin.
Solid knowledge of Spring Framework (Spring Boot, Spring MVC, Spring Batch).
Experience in REST API development and microservices architecture (service discovery, circuit breaker).
Handling of build tools such as Maven.
Experience in testing (JUnit, Mockito, Wiremock, MockMVC, Spring Test).
Knowledge of relational databases (JPA, JDBC, Oracle).
Experience with messaging systems (Kafka, RabbitMQ).
Knowledge of Azure DevOps.
B2 spoken English level.

What would your functions be?

Design, develop, and maintain RESTful APIs following best practices (OpenAPI, Swagger).
Build and evolve services in a microservices architecture.
Ensure software quality through automated testing.
Participate in the integration of systems and distributed services.
Collaborate in the continuous improvement of the architecture and performance of the solutions.
Ensure security, reliability, and scalability standards in developments.
Work with multidisciplinary teams in agile environments.

Additionally, we will value very positively if you have experience and/or knowledge in:

Experience with Feature Flags.
Knowledge of reactive programming.
Use of static code analysis tools (Sonar, PMD, Checkstyle).
Experience with non-relational databases.
DB migration tools (Liquibase, Flyway).
Knowledge of environments such as OpenShift.

And with us you can enjoy:

✅ Permanent Contract

✅ 100% REMOTE

✅ Internal training and access to certifications ♻ Check our calendar here:

https://www.knowmadmood.com/es/talento/formacion

✅ Flexible remuneration plan (health insurance, transport, nursery vouchers, restaurant vouchers)

✅ Brand Ambassador, through our referral plan

Recommend your friends and get an extra!

✅ Events, meetups, techdays, talks... and much more!

✅ 26 days of rest (22 vacation days, 2 discretionary days, and December 24 and 31 as default holidays)

✅ Schedule: 8:30 to 18:00 (flexible) Mon-Thu and Fri 8:00 to 15:00, and Summer Intensive July and August from 8:00 to 15:00

To stay up to date with our news, follow us here -> knowmad mood

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. 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.

Buscamos un/a desarrollador/a backend especializado/a en Java para incorporarse a un equipo técnico enfocado en la construcción de servicios distribuidos y APIs críticas para el negocio. Tendrás un papel clave en el diseño y desarrollo de soluciones robustas, seguras y eficientes dentro de una arquitectura de microservicios.

¿Qué es lo que valoramos?

Experiencia de al menos 5 años en:

Experiencia en desarrollo con Java (versión 8 o superior).
Experiencia en Kotlin de al menos 3 años.
Conocimientos sólidos de Spring Framework (Spring Boot, Spring MVC, Spring Batch).
Experiencia en desarrollo de APIs REST y arquitectura de microservicios (service discovery, circuit breaker).
Manejo de herramientas de build como Maven.
Experiencia en testing (JUnit, Mockito, Wiremock, MockMVC, Spring Test).
Conocimiento de bases de datos relacionales (JPA, JDBC, Oracle).
Experiencia con sistemas de mensajería (Kafka, RabbitMQ).
Conocimientos en Azure DevOps.
Nivel de inglés hablado B2.

¿Cuáles serían tus funciones?

Diseñar, desarrollar y mantener APIs RESTful siguiendo buenas prácticas (OpenAPI, Swagger).
Construir y evolucionar servicios en arquitectura de microservicios.
Garantizar la calidad del software mediante testing automatizado.
Participar en la integración de sistemas y servicios distribuidos.
Colaborar en la mejora continua de la arquitectura y el rendimiento de las soluciones.
Asegurar estándares de seguridad, fiabilidad y escalabilidad en los desarrollos.
Trabajar con equipos multidisciplinares en entornos ágiles.

Además, valoraremos muy positivamente si tienes experiencia y/o conocimientos en:

Experiencia con Feature Flags.
Conocimientos de programación reactiva.
Uso de herramientas de análisis de código estático (Sonar, PMD, Checkstyle).
Experiencia con bases de datos no relacionales.
Herramientas de migración de BBDD (Liquibase, Flyway).
Conocimiento de entornos como OpenShift.

Y con nosotros podrás disfrutar de:

✅Contrato Indefinido

✅ 100% 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

Para estar al corriente de nuestras novedades síguenos aquí -> knowmad mood

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.