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UST España & Latam

Remote Java Backend Developer for Microsoft 365

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UST España & Latam is hiring a Java backend developer to evolve and improve its IT Services Marketplace and Microsoft 365 platforms, working 100% remotely from Spain. The role focuses on designing, developing and integrating APIs and backend services, maintaining systems, and collaborating with client teams; Microsoft Graph experience is valued.

Senior Backend Developer - Go Microservicios, IA, Remoto

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Sngular busca un desarrollador backend senior para diseñar y construir soluciones escalables con Go, gestionar bases de datos SQL y aplicar streaming con Kafka en un entorno internacional. Se trabaja con prácticas de CI/CD, revisión de código y se valoran arquitecturas distribuidas y despliegues en Cloud, con opción de teletrabajo.

CI/CD Cloud Kafka SQL

Sabina Divosi - Headhunter & Talent Partner

Backend Developer (Node.js/TS) - Fintech Microservices

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Backend developer building a fintech microservices ecosystem with Node.js and TypeScript. Day-to-day work involves RabbitMQ, PostgreSQL, AWS and mature CI/CD pipelines, in a hybrid role (remote possible) based in Madrid, collaborating closely with the CTO and business teams.

AWS CI/CD Fintech Node.js PostgreSQL +2 skills

Qaracter - Beyond your Challenge

Remote Java & Spring Boot Backend Developer (Cassandra)

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Designs and maintains Java backend services with Spring Boot and Cassandra, integrating REST APIs and collaborating closely with frontend teams. It's a 100% remote role within Spain, serving international teams in the banking and financial sector; OpenShift, microservices, and CI/CD knowledge are valued.

API Cassandra CI/CD Java OpenShift +1 skills

Mystery Project

Senior Backend Developer | Node.js · NestJS · AWS Serverless

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Senior backend developer at a Barcelona health-tech company, building and deploying scalable services and APIs with Node.js, TypeScript and NestJS while helping migrate its infrastructure to an AWS serverless architecture (Lambda, API Gateway, RDS, DynamoDB, MySQL). Reports to the CTO on a ~6-person engineering team in a hybrid, Agile setup.

Agile API AWS CI/CD DevOps +9 skills

55K – 60K €

ALOVIA CONSULTING

Senior Backend Developer / Architect (Java -Spring Boot)

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ALOVIA Consulting is hiring a Senior Backend Developer/Architect in Málaga (hybrid) to design microservices and event-driven architectures for an IT-services client. Day-to-day: build with Java 8+/Spring Boot & Cloud, Kafka, Redis HA, REST APIs, Oracle/PostgreSQL/MongoDB, deploy to AWS/Azure and OpenShift, and maintain CI/CD pipelines.

API AWS Azure BDD CI/CD +17 skills

eXperience IT Solutions

Senior Backend Developer Java & Blockchain.Remoto

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Senior backend developer building and maintaining high-quality backend applications with Java and TypeScript, contributing to scalable architecture and Blockchain-related initiatives. Works 100% remotely with international, multidisciplinary Agile teams.

Agile Blockchain Java TypeScript

Senior Backend Developer — Java & Spring | Remote

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Senior backend engineer at idealista building Java and Spring backend services, working alongside business, product, and UX teams to turn needs into robust technical solutions. Remote-friendly environment with head offices in Madrid and telework options available.

UST España & Latam

Mid Java Backend Developer (Azure) - Remote Spain

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Mid-level Java backend developer who designs and maintains backend services, integrates REST APIs, and collaborates with React frontend teams, working 100% remotely from Spain. Core stack: Java, Spring Boot, microservices, Docker, OpenShift, PostgreSQL, and Azure.

API Azure Docker Git Java +4 skills

Backend Developer - Java/Spring, Microservices & Cloud

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Backend developer (f/m/d) in Madrid (hybrid: 2 days/week in a north-zone office) joining a team migrating 200+ applications to Google Cloud Platform, building Java/Spring microservices and migrating APIs to NodeJS.

API Cloud GCP Java Node.js +1 skills

Java Backend Developer - Hybrid, International Team, Growth

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Builds and maintains backend systems in Java 17 and Spring with a microservices and performance focus, collaborating with Product Owners, Project Managers, and Business Analysts on an international team. Hybrid role in Barcelona (2 office days / 3 remote), with occasional Angular frontend tasks valued.

Angular Java Spring

All European Careers

Remote Senior Java Backend Developer | Agile + English

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Senior back-end Java developer building and maintaining Java/Spring solutions within an agile team, including code reviews and sprint ceremonies. The role is fully remote with occasional on-site visits to Murcia (up to 5 days per quarter) and requires strong English.

Agile Java Spring

TECDATA ENGINEERING

Senior .NET Backend Developer - Remote (Madrid)

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TECDATA ENGINEERING is hiring a Senior .NET Backend Developer to analyze, develop, and maintain backend applications and design REST services using C#, ASP.NET, and .NET Core. The role is 100% remote but requires residence in Madrid; microservices and agile knowledge are valued.

Golang Backend Developer - Hybrid/Remote, API & Microservices

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Backend developer at IT consultancy Capitole building high-performance services in Golang: designing REST APIs and microservices, evolving existing functionality, and working in a SCRUM team. Hybrid setup with two office days in León, Spain and three remote days, plus flexible hours and benefits.

Backend Developer - IoT & Cloud | Remote & Flexible

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Backend developer building and operating critical IoT/M2M production solutions on AWS (EKS, IoT Core, S3, SQS) with Terraform, CI/CD and microservices for a leading security client. Remote-friendly role based in Alicante/Madrid, Spain, requiring 4+ years of experience and B2-C1 English.

AWS CI/CD Cloud EKS SQS +1 skills

Senior Backend Developer Node.js Nest

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Lãberit is hiring a Senior Backend Developer in Valencia to develop and maintain Node.js backend applications, collaborate on API projects, support CMS/framework integrations, and take part in testing and CI/CD deployments alongside technical and design teams.

API CI/CD Node.js

Desarrollador Python Senior – Backend de Plataforma Remoto

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Senior Python developer owning end-to-end development, testing, and deployment of high-performance backend services for IT Partner's platform, working remotely (hybrid option) from Almería, Spain in an international environment. Core tech: Python, relational databases, CI/CD, Docker/Kubernetes, AWS/Azure/GCP, and messaging tools.

AWS Azure CI/CD Docker GCP +2 skills

Desarrollador Java + WSO2 | APIs & Backend (Madrid)

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Backend developer building Java + Spring APIs with WSO2 API Manager, including deployments in client environments. Hybrid role based in Madrid (2 office days per week), requiring 3+ years of Java and API/API Manager experience, with a salary of up to €50,000 gross per year.

API Java Spring

UST España & Latam

Remote Java Backend Dev for Microsoft 365 & APIs

NewBe an early applicant Europe

UST España & Latam is hiring a Java backend developer to evolve and improve its IT Services Marketplace and Microsoft 365 platforms, working 100% remotely from Spain. Day-to-day work centers on Java backend quality, scalability and corporate integration, using REST APIs, microservices and Git/GitLab while collaborating with international teams and clients.

API Git GitLab Java

Desarrollador Senior Python – Backend Platform (Remoto)

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Senior Python developer joining IT Partner's backend platform to build high-performance distributed services and critical architecture components, owning development end-to-end from design to production deployment in an international team. Core stack includes Python, CI/CD, Docker, and Kubernetes; remote/work-from-home options available.

CI/CD Docker Kubernetes Python