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Backend Engineer (Java & AI-Assisted Development)
Build high-performance backend services in Java, using Kafka, Spring Boot, and PostgreSQL/MongoDB, while leveraging AI tools to accelerate development and testing.
Fullstack Developer, Java, Angular
Build and maintain an international enterprise digital platform using Java, Spring Boot, Angular, and microservices with Kafka, Flink, and MongoDB.
Backend Developer | Java, AWS, Terraform, Python| Remoto
Build and maintain scalable backend services in Java/Spring, deploy on AWS with Terraform, and automate workflows in Python.
Backend Developer Senior: Java/Spring Boot, Microservices | Remote
Senior backend developer building enterprise Java/Spring Boot microservices with PostgreSQL, Oracle, and MongoDB in an agile, distributed team.
Senior Java BackEnd Developer – Spring Boot / Kubernetes / Kafka – Barcelona (Híbrido)
Senior backend developer building and maintaining high-impact Java services with Spring Boot, Kafka, Kubernetes and AWS, collaborating with international teams.
Java Backend Developers
Build and maintain large-scale enterprise Java applications using Spring, REST APIs, and relational databases for Accenture’s clients in Madrid.
Senior Backend Software Developer (JAVA) - Aplicativos ámbito sanidad
Senior backend developer building healthcare applications in Java/Spring, designing scalable APIs and secure data systems for clinical environments.
Java Developer Sr. Inglés B2
Senior Java backend developer building scalable systems for a large insurance platform using Spring, SQL/NoSQL, cloud and DevOps practices.
Java Developer (Spring Boot + Kafka)
Build and maintain high-availability banking microservices using Spring Boot, Kafka, Java 8+, JPA, and TDD/BDD in a 24/7 on-call rotation.
Senior Java Developer: Scale Backend APIs (Remote)
Designs and builds scalable Java 11+ and Spring Boot microservices, optimizes PostgreSQL and MongoDB schemas, and writes automated tests with JUnit and Mockito.
Java Developer - Microservices & Kafka (Remote Spain)
Builds and maintains Java microservices with Spring Boot, Kafka, and event-driven architecture, while collaborating in Agile teams and ensuring code quality and automated testing.
Senior Backend Developer - Travel Rule
Build backend services for Sumsub’s Travel Rule product, integrating crypto compliance systems to securely exchange identity data between exchanges and wallets.
Senior BackEnd Developer .NET (Valencia)
Build and maintain scalable .NET backend services using C# and modern architectures like Hexagonal, with REST APIs, async messaging (RabbitMQ), Docker, and MongoDB.
Java Software Developer
Maintain and improve a mobile-app builder platform using Java EE/Struts2, Spring Boot, MySQL, MongoDB, AWS, Docker, and Jenkins.
Backend Developer Sr. (Data & AI Platform)
Build and maintain the backend for a data/AI platform that auto-discovers and maps enterprise systems, integrating APIs, databases, and SaaS tools to deliver real-time organizational intelligence.
Senior Backend Developer / Architect (Java -Spring Boot)
Design and build event-driven microservices in Java/Spring Boot, using Kafka, Redis, AWS/Azure, and OpenShift while owning CI/CD and automated testing.
Backend Developer
Backend Developer building scalable microservices and REST APIs in Node.js/Express for solar-tracking systems, using PostgreSQL, Redis, GCP, and Clean Architecture principles.
Senior Backend Developer
Build and evolve enterprise Java microservices with Spring Boot and Kafka, designing scalable event-driven systems and REST APIs for data-focused clients.
Backend Developer
Build and maintain the backend of a cybersecurity/AI platform that maps enterprise systems, integrates data sources, and optimizes distributed workflows using Python, .NET, or Java.
Backend Developer
Build and maintain secure, scalable Java/Spring Boot microservices on AWS that connect users with healthcare professionals, using PostgreSQL and AI-assisted development tools.