Empleos de senior java backend engineer remote en Madrid

Elastic, the Search AI Company, seeks a Senior Software Engineer for the Integrations Team to enable Elastic inside the AI ecosystem. You will build and maintain the MCP server, agent skills platform, and third-party integrations, working with Go and other languages while collaborating with product teams and partners. You will contribute to the Elastic CLI,...

Barcelona, Spain · Full-time · Fully office-based €65,000–€85,000 gross per year Candidates must already be based in Barcelona. Visa sponsorship is not available. Build the systems behind AI-powered email marketing. Migma is building an AI platform that creates and sends on-brand email campaigns end to end. We are a two-person founding team in...

Webologix Ltd/ INC in Madrid is looking for an experienced software developer to join a multi-disciplinary team focused on building a greenfield project. The ideal candidate will possess strong expertise in Java (versions 17 or 21), Springboot, and CI/CD practices. Responsibilities include building APIs and microservices from inception to production while...

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...

Empresa de gestión y selección busca un Senior Java Engineer para trabajar en Tarragona. Se valorará proactividad, orientación a la calidad y capacidad de adaptarse a entornos dinámicos. El equipo ofrece estabilidad, formación y oportunidades de crecimiento, con salario competitivo según puesto y valía.Se requieren habilidades de comunicación y...

¡Estamos Contratando! Únete a Nuestro Equipo Dinámico¿Buscas dar el siguiente paso en tu carrera profesional? ¿Te apasiona el crecimiento constante, el trabajo en equipo y los nuevos retos? Si la respuesta es sí, ¡queremos conocerte! Actualmente nos encontramos en pleno proceso de expansión y estamos seleccionando talento para cubrir diferentes...

eDreams ODIGEO is seeking a Java Senior Software Engineer to join its Customer eXperience team in Madrid or Barcelona with a hybrid work model. You will drive technical work, provide guidance, and lead code and architecture reviews while delivering high-impact projects for a global travel platform. Ideal candidates bring deep Java expertise, cloud and DevOps...

Se busca desarrollador Backend Java Senior con experiencia en microservicios, API First y observabilidad para unirse a un equipo ágil en el desarrollo de una nueva plataforma tecnológica.

Lever, Inc. is seeking a Senior Backend Engineer for Payments & Fintech in Spain. You will rebuild and scale the financial systems at the core of a growing global platform, owning architecture for billing, subscriptions, and entitlements. You will lead migrations from legacy systems while ensuring correctness, reliability, and auditable financial records....

Pearson is seeking a Senior Software Developer to design and deliver AI-enabled backend services in a hybrid setup across Poland or Spain. You will work with cross-functional teams to architect scalable systems, deploy AI integrations, and lead DevOps-driven delivery. This role emphasizes autonomous ownership, strong collaboration, and adherence to best...

Aircall is seeking a Senior Backend & AI Engineer responsible for designing, developing, and deploying critical AI features. With a focus on LLMs, you will be involved in building chatbots and automated content generation tools. The position emphasizes collaboration, innovation, and high-quality coding practices in a fast-paced environment. Join Aircall to...

About the teamThe AI/ML Engineering team builds and operates ClickHouse's AI and machine learning products end-to-end. This includes the Agentic Data Stack, AI Functions, chDB, the in-Console copilot, and the AI/ML partnerships that distribute them — together with the shared components and expertise that let every other ClickHouse team ship AI in the...

bsport is an all-in-one platform for boutique fitness and technology. We are hiring a Senior Backend Engineer in the Community & Engagement team to build scalable backend systems for marketing, communications and member data across thousands of studios worldwide.You will own complex backend projects, contribute to re-architecture, and collaborate with...

Join to apply for theSenior Software Engineer (Python / Backend) ID41787role atAgileEngine .AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in application development and AI/ML, and our people‑first culture has earned us multiple Best...

Pearson is seeking a highly autonomous Senior Software Developer to design and implement backend components for AI-enabled digital products. You will lead architecture, API design, and deployment of scalable microservices, collaborating with data science teams to operationalize AI models. This role emphasizes ownership, DevOps practices, and adherence to...

Key responsibilities As a Backend Engineer within Advanced Analytics (DA3) in the Chief Data & AI Office area at Allianz Partners, you will join our central AI team to build reusable AI foundations and production‑grade AI services on a global scale.We are looking for an engineer with strong software engineering fundamentals and hands‑on cloud and DevOps...

Crew buscaAnalista Programador/a Senior para liderar el desarrollo backend con Spring Boot. El proyecto se basa en microservicios, usando Java, JPA/Hibernate y PostgreSQL, con seguridad mediante OAuth2 y JWT. Se valora experiencia en APIs REST y despliegue en AWS, trabajando en un entorno técnico avanzado. El candidato ideal tendrá capacidad para...

Pearson is hiring a Senior Software Developer to design and deliver backend components for AI-enabled educational products. You will work in cross-functional teams to implement scalable services, APIs, and microservices while integrating AI capabilities and maintaining strong technical documentation. The role emphasizes autonomy, ownership, and collaboration...

Ebury's FinCore Engineering team seeks a Senior Software Engineer to modernize our FX platform, reduce technical debt, and build high-throughput backend systems. You will lead architecture choices, own delivery from discovery through production, and mentor others across Europe and South America. We value strong domain knowledge in FinTech, excellent English,...

At adidas, every day is a chance to flip the script. An invitation to take everything we know and re-invent it. Do it better. Never settling for good enough.Every day we get up, invent, adapt, improvise, find new ways to collaborate, and do the unexpected. We’re creators, makers and doers. Helping athletes make a difference, not just in their games, but in...