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Senior Software Engineer (Full Stack)
Build a SaaS platform that automates green certification for energy-intensive industries using React, Node.js, TypeScript, PostgreSQL, and AWS.
Senior Full Stack Developer / Technical Leader Java-Angular
Lead a team building and maintaining Java-Angular microservices, ensuring clean architecture and high-quality deliveries across hybrid Madrid offices.
Hybrid Full-Stack Developer: Java + React
Full-stack developer building wealth management systems using Java and React in a hybrid Madrid office, collaborating with global teams and following DevOps practices.
Senior Full Stack Developer / Technical Leader
Leads full-stack Java/Angular projects, sets architecture standards, and mentors teams using Spring Boot, Node.js, React, and WSO2 API Manager.
Full Stack Developer
Full-Stack Engineer building Jet Aviation’s in-flight entertainment system using React/Vue/Angular and C#/Java/Python, applying Clean Architecture, CQRS, and TDD.
Full Stack Developer
Build and maintain Jet Aviation’s in-flight entertainment system using React/Vue/Angular on the front end and C#/Java/Python on the back end, applying Clean Architecture, CQRS, and Event Sourcing.
Full Stack Developer
Build and maintain Jet Aviation’s in-flight entertainment platform using React/Vue/Angular and C#/Java/Python, applying Clean Architecture, CQRS, and Event Sourcing.
Backend Developer (PHP / Symfony o Laravel) | €40K - €65K
Backend developer building scalable PHP/Symfony or Laravel services and occasionally contributing to TypeScript/Vue 3 front-end features in a collaborative Madrid-based product team.
Backend Java Developer (Spring & APIs) | Proyectos de IA y Arquitectura Moderna (Barcelona)
Backend Java developer building secure, scalable services with Spring and REST APIs for European defense projects.
SENIOR BACKEND DEVELOPER Madrid
Senior backend developer building scalable Python Django APIs and infrastructure for AI-driven conversational platforms, optimizing databases and ensuring secure, high-performance systems.
Senior Backend Developer Java (€50K - €70K)
Builds and maintains Java/Spring Boot backends for a global fashion retailer’s ecommerce APIs, internal tools, and mobile integrations using DDD, TDD, and CI/CD.
Backend Developer - Java (Hybrid Madrid)
Backend Developer building Java/Spring Boot services for a global wealth-management client, deploying on Kubernetes in Azure with Kafka, Docker, and CI/CD pipelines.
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.
Java Backend Developer – Barcelona (Hybrid)
Build backend Java applications in agile teams using Java/J2EE, focusing on test-driven development and high-quality code.
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.
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 con Kafka
Backend developer building and maintaining Kafka-based microservices in Java/Spring Boot for a banking client, with on-call rotations and TDD practices.
Senior Backend Developer - KYC
Build backend services in Java 17 for Sumsub’s KYC and identity-verification platform, using Dropwizard, Kafka, ClickHouse, and Elasticsearch to process identity data and automate compliance workflows.
Junior Java Developer
Build and maintain Java backend services using TDD/BDD, refactoring and clean code, while collaborating in Agile sprints for a global media and telecom client.
Junior Java Developer
Build and maintain Java backend services using TDD and Agile, focusing on clean code and RESTful APIs for a global adtech agency.