Empleos de senior backend engineer java en Madrid

Cognizant Spain is seeking a Sr Quality Engineer to design robust test strategies and automation frameworks using Java and Karate, within a hybrid work model. You’ll collaborate with product, engineering and QA teams to improve product quality, coverage and release readiness for enterprise travel applications.You will implement scalable automation,...

Remoteo is seeking a Senior Quality Engineer in a hybrid Madrid-based role focused on Automation Testing with Java and Karate to design robust test strategies and frameworks for enterprise applications in the travel sector.You will collaborate with cross-functional teams, optimize test coverage, and drive continuous improvement to enhance product quality and...

UST Spain & Latam is seeking a Senior Java Engineer to contribute to a project with a global customer in the financial services sector. You will design, build and maintain scalable software within a DevOps model, owning the delivery and operation of features.The role requires strong Java skills, API development expertise, experience with REST and distributed...

Oxigent Technologies busca un/a Senior Java Developer para liderar la evolución de una plataforma digital en constante crecimiento, con acceso a tecnologías en la nube y prácticas de CI/CD.Se valoran al menos 5 años de experiencia en Java 21+ y Spring Boot, experiencia en microservicios y arquitectura hexagonal, y buenas prácticas como SOLID, TDD y DDD....

Skillwell is seeking a Senior Software Engineer to shepherd technical excellence and evolutionary architecture for our platform. You will apply TDD/BDD, refactor for maintainability, and drive CI/CD improvements with Jenkins, GitLab, or Bitbucket.Expect hands-on Java/Jakarta EE development, strong OOP/SOLID practices, and mentoring teammates through design...

A fast-growing robotics and AI startup is seeking a Senior Java Software Engineer. This role involves designing and maintaining distributed systems, building robust backend services using Java (Spring), and developing web frontends with Angular. You will collaborate closely with the founding team and directly influence product development. Ideal candidates...

At Adaptive, we partner with capital, commodity and digital market participants, and we see technology as a true differentiator. Our experienced teams design and deliver complex front-office technology solutions, using our proven accelerators to create long-term competitive advantage.Our clients include the world's leading investment banks, investment...

UST is seeking a Senior Software Engineer (Java & Spring) to build scalable cloud-native applications within an Agile/DevOps environment for a strategic banking project. Hybrid work requires three days per week at central Madrid offices.You will design, develop, test, deploy, and monitor mission-critical software, collaborate with cross-functional teams, and...

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the...

Zooplus is seeking a Senior Software Engineer specialized in Java, Kotlin and Python to help deliver high-quality loyalty products for our customers. The role involves building features, maintaining systems, and improving our infrastructure in a hybrid Madrid-based setup with global collaboration.The team emphasizes clean code, microservices, and continuous...

SII Group Spain ищет QA-инженера для обеспечения качества программного обеспечения. Ваша работа будет включать разработку и выполнение тестов, выявление дефектов и взаимодействие с командами разработки...

Kairós está buscando un Lead Backend Engineer para liderar la modernización de sistemas críticos y la migración de arquitecturas legacy. Serás el referente técnico, guiarás a ingenieros y definirás decisiones arquitectónicas transversalmente.Trabajarás con Java 21, Spring Boot, en entornos cloud (AWS/GCP) con IaC, CI/CD e integración de IA como...

Empresaconfidencial busca un/a Senior Backend AI Engineer para impulsar IA en productos ya en producción y desarrollar nuevas soluciones desde cero.Diseñarás servicios backend en Python, construirás pipelines RAG y integrarás APIs de LLM en entornos productivos, asegurando observabilidad y rendimiento.Trabajo 100% remoto desde España, con autonomía...

Buscamos un/a Senior Backend Developer Java, con mínimo 4-5 años de experiencia para incorporarse a un equipo de producto orientado a lacreación y evolución de soluciones digitales escalables,con alto impacto en negocio.Participarás en el diseño y desarrollo de servicios backend, trabajando conJava 21, Spring Boot,microservicios, Kafka y PostgreSQL,...

Se busca Ingeniero Backend Senior Fundador para construir la plataforma core de una startup Deep Tech, encargándose de APIs, autenticación, autorización, multi-tenancy, integración con datos e IA, y observabilidad.

Se busca un Programador/a de IA Generativa en Barcelona para una plataforma tecnológica interna. Requiere experiencia en Java backend, APIs y Python para integrar LLMs.

Ersilia is seeking a senior backend engineer to own critical systems and contribute to the roadmap. You will implement code, review it, test rigorously, and ensure reliability, performance, and correctness across production environments.Work autonomously with high ownership, collaborating with engineering and product teams while balancing risk and business...

Enginy, a Barcelona-based startup, is seeking a Backend Engineer to own the engine behind our AI-native GTM platform. You will design, build, and operate high-throughput data pipelines and integrations with the tools our customers use, from design to production to observability.We require 5+ years of backend experience, strong TypeScript/Node.Js skills,...

Playtomic is seeking a Senior Backend Engineer for the Payments team. You will develop robust payments solutions, maintain APIs, and work with third-party gateways to ensure secure, scalable transactions. A strong focus on performance and code quality is required.You will collaborate with cross-functional teams, drive API design, and help shape payment...

Allianz Partners in Madrid is seeking a skilled Backend Engineer to join their Advanced Analytics team. The role offers a chance to build AI foundations and services, collaborating closely with cross-functional teams. The ideal candidate has over 5 years of backend engineering experience, proficiency in Python and cloud-native solutions with Docker and...