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Position Overview We are seeking an experienced Backend Java Developer with strong core Java capabilities and a deep focus on API design and backend architecture. In this role, you will design, build, and maintain…
5+ years of experience in Java development with strong expertise in Java 8/11/17, Spring Boot, and Microservices . Hands-on experience in developing RESTful APIs , Spring MVC, Spring Data JPA, Hibernate, and Spring…
We are seeking a Backend Engineer to design, develop, and maintain backend services and APIs that power our internal and customer-facing applications. You will work closely with cross-functional teams to build…
Build and maintain full-stack web apps for energy-sector analytics using Python/Django backend and React/TypeScript frontend, deploying on cloud platforms.
Builds and maintains an AI Gateway—a high-performance, secure intermediary layer for routing, inspecting, and governing traffic between enterprise clients and LLM/AI services—using async Python, cloud infrastructure, and network protocols.
Builds pricing tools for pet-care providers and parents using Python/Django, React, and AI coding assistants to ship features that balance fairness and clarity in a two-sided marketplace.
Build and maintain high-performance backend services and scalable APIs for a regulated fintech group, while developing a React-based trading and onboarding platform integrated with financial rails.
Account creation, verification, updates, and closure Account authentication, controls, and security User session management Responsible gaming Knowledge of .NET C# with ASP.NET Web API Experience implementing…
Meridian is building a fundamentally new model for sovereign space infrastructure—delivering complete, owned Low Earth Orbit (LEO) satellite constellations that provide governments and commercial operators with full…
Build and maintain full-stack Java/Spring Boot applications with React/Angular frontends, microservices, Kafka, and cloud deployments for a staffing firm’s client projects.
Senior Java developer building and maintaining scalable back-end services using Spring Boot microservices, REST APIs, Docker/Kubernetes, and multi-threading to power real-time customer-experience analytics.
Senior .NET developer building enterprise management software using C#/.NET 8, microservices, and hexagonal architecture with Angular frontends in a hybrid Barcelona office.
Senior Backend Engineer building and owning PHP 8.x/Laravel microservices on GCP/Kubernetes for a leading Spanish mortgage comparison platform, integrating with banks and financial APIs.
Design and maintain ETL/ELT pipelines and backend services using Python, Go, SQL, Snowflake, Kafka, and RabbitMQ on AWS.
Build and maintain scalable Java-based backend services and modern full-stack apps using Spring Boot, React/Angular, AWS/Azure, Kafka, and Kubernetes to power DNS utilities for IT, security, and research workflows.
Build full-stack Node.js and Angular apps for satellite payload control systems, deploying on Docker/Kubernetes and integrating with RabbitMQ and MongoDB.
🚀 ¿Dominas React, Angular o Vue en el frontend y tienes experiencia en backend con Java ? ¿Tienes experiencia en Cloud y te apasiona crear soluciones con impacto real? ☁️ ¡Tenemos el reto perfecto para ti! ¿Cómo es…
Mid-level Java developer building enterprise applications and integrating systems using Kafka, REST, and Oracle databases in a hybrid Madrid role.
Build and scale backend services in Java/Spring for a creator-economy CRM platform, designing scalable microservices and event-driven systems.
¿Trabajas con arquitectura hexagonal, kubernetes y quieres llevar tus habilidades al próximo nivel? En ALTEN tenemos claro que el éxito de nuestros proyectos se debe a las personas que forman nuestro equipo. Por eso,…
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