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Backend Java Developer - Senior - EY GDS Spain - Hybrid
Senior backend Java developer building enterprise banking apps (payments, lending, core banking) with Spring Boot, Oracle, and cloud tech in a hybrid Málaga office.
Java backend Developer for Space Traffic Management Projects
Develop backend microservices in Java/Spring Boot for space traffic management systems, designing data models and working with message brokers and containers.
Java Backend Developers
Build and maintain large-scale enterprise Java applications using Spring, REST APIs, and relational databases for international clients in Madrid.
Java Developer - Microservices & Kafka (Remote Spain)
Design and maintain Java microservices with Spring Boot and Kafka, ensuring high code quality and automated testing in an Agile team.
Backend Developer (C)
Backend developer maintaining and extending C-based trading systems, integrating with databases and CI/CD pipelines while providing technical support.
Backend Developer
Backend Developer builds and maintains secure, scalable payment microservices in Perl/Java, integrating PayPal, Klarna, and card processing while refactoring legacy code.
Senior Backend Developer
Build and maintain scalable backend services and APIs handling real-time fraud detection traffic using Python and cloud microservices.
Java Developer – Barcelona or Madrid (On site) – International Airline Company
Build and maintain Java-based microservices on Azure for an international airline’s IT systems, using Spring Boot and CI/CD pipelines.
Java Developer - Homes (Java 17/21 / Spring Boot / APIs) - Spain (Hybrid/Remote)
Build greenfield APIs and microservices in Java 17/21 with Spring Boot for a new proptech platform, collaborating in a distributed team.
PHP Backend Developer
Build and maintain a cloud-based practice management system for clinics using PHP 8.1, Laravel, and microservices on AWS, ensuring scalability and ease of integration.
Scala Backend Developer
Build and maintain scalable backend services in Scala, using Akka and Kafka to power a global entertainment platform. Collaborate with cross-functional teams to ship features and drive architectural improvements.
Senior Java Developer - Big Data Backend (Remote)
Build and maintain Java-based microservices for large-scale financial data platforms, using Kubernetes, SQL, and CI/CD in a regulated environment.
Senior Java Developer - Remote & Global Impact
Build and integrate custom Java-based software for a large European public-sector client using Spring, Quarkus, and microservices.
Senior Java Developer - Microservices, CI/CD, Remote
Build and maintain Java-based microservices for large European public-sector clients using Spring and CI/CD pipelines.
Backend Developer
Builds and maintains scalable Python microservices (Flask/FastAPI, Celery) that power Flowbox’s UGC platform, handling content collection, moderation, and distribution for e-commerce and media clients.
Java Developer (English Mandatory - Barcelona office)
Senior Java Developer building backend automation tools, migrating legacy Java 8 apps to Java 21, and leading best practices in coding, testing, and design.
Senior Java Developer: Scale Backend APIs (Remote)
Design and build scalable Java 11+ and Spring Boot microservices, optimize PostgreSQL and MongoDB schemas, and write automated tests with JUnit and Mockito.
Senior Backend Developer
Build and scale secure, high-performance backend services and APIs for an open-banking platform used by Adyen, Intuit QuickBooks, and Google, while driving AI-native development workflows.
Fullstack Java Developer – Hybrid (Málaga) | TechFriday
Builds scalable, cloud-native Java features for a large European e-commerce platform, working across microservices and modern frontend frameworks.