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CONVOTIS Iberia

Middle Full Stack Developer (Go, AWS, React)

New EuropeMiddle

Mid-level full-stack developer on the platform team of an enterprise network-monitoring solution (client-site sensors + cloud platform) with a local team in Alicante, Spain. Day to day you build and maintain Go services on AWS (Lambda, Fargate, API Gateway) with PostgreSQL, keep CI/CD running, write automated tests, and reinforce existing code, with React/TypeScript as a plus.

API API Gateway Athena AWS CI/CD +12 skills

Vortech PCI Group

Senior Full Stack Developer (Java & Angular) - Seguros

New EuropeSenior

Senior full stack developer for an international insurance-sector project: building new features, evolutionary maintenance, production support and modernizing legacy applications in critical business environments. Core stack is Java, Spring Boot/MVC, Hibernate/JPA, REST APIs and SQL, with Angular on the front end.

Angular API Control-M Hibernate Java +5 skills

Golang Backend Developer – Microservices & APIs | Hybrid

New HybridEurope

Serviguide-Bpo seeks a Golang backend developer with 3+ years of experience for a hybrid role in Madrid, building API- and microservices-based solutions. Day to day: developing REST services in Go, working with relational and document databases, writing unit tests, and applying good practices with version control.

API Go Microservices REST Unit Testing +1 skills

Neotalent Conclusion

Devops engineer de plataformas

Platform DevOps engineer at IT talent specialist Neotalent Conclusion in Barcelona: designs and maintains infrastructure, CI/CD pipelines (GitHub Actions), Kubernetes/OpenShift and Terraform IaC, observability/monitoring, and supports incident management and Open Source/InnerSource metrics.

Automation Bash CI/CD Cloud Cloud Native +13 skills

Full-Stack Developer (Java/Python) – Cloud & AI, Hybrid

New HybridEurope

Full-stack developer for a hybrid project in Barcelona: building backend and frontend in Java, Python and TypeScript, designing/integrating REST APIs and AWS cloud solutions, with exposure to international projects. Angular, Node.js and generative AI tools (Claude) are valued; occasional international travel.

Angular API AWS Cloud Generative AI +5 skills

Kairós Digital Solutions SL

Backend Developer (Kotlin/Spring Boot)

New RemoteEurope

Backend developer building robust, maintainable services with Kotlin and Spring Boot at Kairós, a Spanish digital-transformation consultancy. Day to day: designing REST APIs, persisting to SQL/DynamoDB, integrating Amazon SQS, applying TDD and hexagonal/event-driven architecture, with CI/CD and observability in Scrum teams. 100% remote (Spain).

API BDD CI/CD Cloud DynamoDB +22 skills

Devops Engineer

DevOps engineer with 4+ years' experience joining a cyberdefense project in Madrid (hybrid, 60% remote). Day to day: managing Docker/Kubernetes environments, building CI/CD pipelines with GitLab/Jenkins and Helm, scripting in Bash/Python, and monitoring and hardening critical, highly secured infrastructure.

Bash CI/CD DevOps Docker GitLab +4 skills

SIX Group Services Ltd.

Senior Full-Stack Java Developer (Remote | Growth)

New EuropeSenior

Senior full-stack Java developer on SIX Group's Trading Web Application Development team in Madrid, designing and delivering features for market/trading products using Java, Spring Boot, and modern web technologies in an agile setup, with up to 40% remote work.

Agile Java Spring

Experis España

Full Stack Developer (React & Python) - Getafe o Sevilla

New On-siteEurope

Experis España is hiring a Full Stack Developer (React & Python) for a client project in Getafe or Sevilla. The role involves developing and maintaining web applications, integrations, databases, REST APIs and dashboards in an international, Agile environment, working fully on-site.

Agile API Python React REST

Full stack developer & AI automation specialist

Full-stack developer and AI automation specialist at a Barcelona performance-marketing company: builds landing pages and internal lead-management/billing platforms with JavaScript/React, PHP (Symfony) and Python, REST APIs and webhooks, plus automations and AI-powered tools using Zapier, Make, n8n, OpenAI APIs and ad-platform tracking (GTM, Google Ads, Meta Ads).

Agentic AI AI API Automation CSS +15 skills

Senior AI Full-Stack Developer — 90% Remote

New EuropeSenior

Senior full-stack developer building production generative-AI solutions: React on the front-end and Node.js/NestJS back-end services integrating LLMs. Prompt engineering, tool-calling, and retrieval/grounding with AWS Kendra or SharePoint are valued; Agile environment and high English.

Agile AI AWS LLM NestJS +4 skills

Banco Plata, S.A., Institución de Banca Múltiple

DevOps Engineer

DevOps engineer for one of two platform teams at a bank: one runs PaaS on Kubernetes, observability, SSO and networking; the other improves developer experience with CI/CD templates and modules. Core stack is AWS, Kubernetes, Terraform, Istio and GitLab/ArgoCD pipelines supporting a fintech service.

Ansible Argo CD Authentication AWS Bash +24 skills

PrimeIT España

Full Stack Developer (Java + React)

On-site full stack developer role at an IT consulting firm in Málaga, Spain, building backend services in Java/Spring Boot and frontends with React.js within Agile teams. Requires 2-5 years of Java experience plus Git and SQL knowledge; the firm offers consulting projects nationally and internationally.

Agile Git Java Kanban React +3 skills

UST España & Latam

Senior Java Developer (AWS) - Remote

New EuropeContractSenior

UST is hiring a Senior Java Developer to design, build, and support secure, scalable Java microservices, REST APIs, and event-driven integrations on AWS for a utility-sector project. Core stack: Java, Spring Boot, Hibernate/JPA, SQL, JUnit/Mockito, CI/CD, and AWS services such as Lambda, Fargate, and SQS/SNS.

Analytics API API Gateway Aurora Authentication +35 skills

3MT Global Service

Java Developer With Data

TIBCO Integration Engineer supporting and evolving TIBCO 5.16 integrations that connect systems at a multinational healthcare company, working with SAP S/4HANA, documenting in Jira, and collaborating with international stakeholders in a hybrid, full-time role based in Valencia.

Jira SAP SAP S/4HANA

Kairós Digital Solutions SL

Backend Java Developer - Remote, Spring Boot, Microservices

Fully remote backend role at Spanish tech firm Kairós (850+ people): develop robust products end to end in Java 1.8+ with Spring Boot, REST APIs and Kafka, handling the full product lifecycle. Docker/Kubernetes and English are valued; 4+ years of experience required.

API Docker Java Kafka Kubernetes +1 skills

Kairós Digital Solutions SL

Backend Java Developer (con inglés)

Backend Java developer at Kairós, a Spanish digital-transformation consultancy, joining teams to build and evolve microservices and REST API solutions through the full product lifecycle. Core stack is Java 8+, Spring Boot, Kafka and Git, working 100% remotely with professional-level English.

API Docker Git Java Kafka +3 skills

Java backend developer

New EuropeContract

Java Backend Developer at consulting firm K-LAGAN in Barcelona, building and integrating backend services, REST APIs, and WMS/WCS solutions for international warehouse automation projects. Core stack: Java 17, Spring Boot, Oracle/SQL, JUnit/Mockito, Git/Gradle, with on-site commissioning and travel.

Agile Angular API Automation Azure +22 skills

970 KING SHARED SERVICES S.L.

Senior Backend Java Developer - Foundations

New EuropeSenior

Senior backend Java developer at King (Barcelona) building and operating shared backend platforms that internal game teams rely on — designing reliable APIs, improving scalability and resilience under high load, and owning services from design through production support. Core stack: Java with concurrency and distributed systems; GCP a plus.

API Cloud DevOps Distributed Systems GCP +1 skills

Desarrollador/a Backend (Golang / Microservicios / APIs)

New HybridEurope

Serviguide-BPO is hiring a backend developer with 3+ years of experience to work on a Go-based project building microservices, REST services and API integrations, using relational and document databases, messaging solutions, unit testing and version control. Hybrid Madrid role: mostly remote, with about one on-site day per week (offices in Las Rozas).

API Go Microservices REST Unit Testing +1 skills