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Amaris Consulting

Java Developer ( 3 Años Experiencia) 100% Remoto - Remote

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Senior Java backend developer at Amaris Consulting building and operating scalable, secure SaaS payroll and HR management platforms, working in multidisciplinary squads across the full software lifecycle with DevOps practices. Core stack: Java 11+, Spring Boot, microservices, Kafka/RabbitMQ, SQL/NoSQL, CI/CD, and Azure cloud. 100% remote.

Agile API AWS Azure Azure DevOps +38 skills

Appcast, Fervimax Group

Backend Developer (.Net) 100% Remoto - €27.000 - €30.000 Al Año - Remoto

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100% remote backend developer (Spain) building and integrating backend functionality, REST APIs and system integrations, plus unit testing, support and documentation. Core stack: .NET Core, C#, SQL Server and SSIS; salary €27,000–30,000 per year on a permanent contract.

API C# .NET Python SOAP +2 skills

27K – 30K €

Java Backend Developer - Tech Lead - Ey Gds Spain - Hybrid

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Java Backend Developer (Tech Lead track) at EY GDS in Málaga, Spain, building and orchestrating Spring Boot microservices for financial services and insurance clients in a hybrid, agile team. Core stack: Java/Spring Boot, Git, SQL; SonarQube, Jenkins/GitHub Actions and Docker are pluses.

Agile Git GitHub GitHub Actions Java +4 skills

Sr Backend Developer - $4,000 - $5,000 Al Mes - Remoto

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100% remote senior backend developer (contractor via Workana) designing and evolving critical backend services for a client whose products securely integrate data from social security, tax, and financial institutions. Core stack: Golang and Python, AWS, relational DBs and MongoDB, focused on APIs, third-party integrations, and observability.

API AWS CI/CD Clean Architecture EC2 +8 skills

4K – 5K $ / mo

Backend Developer Java Spring Boot - €27.000 - €35.000 Al Año

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Backend developer using Java and Spring Boot to design and build RESTful microservices, integrate databases, and collaborate with team members. On-site role in Spain paying €27,000–€35,000 per year.

Git Java JSON Kanban Maven +7 skills

27K – 35K €

BME - Bolsas y Mercados Españoles

Full-Stack Java Developer — Hybrid (Remote 40%)

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Full-stack Java developer on BME's Trading Web Application Development team in Madrid, designing and building features for financial-markets trading applications. Requires 5+ years' engineering experience with Java, Spring Boot, and modern web tech; hybrid role with up to 40% remote work.

Agile Java Spring

Backend Go Developer

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Backend Go Developer at Alkemy Group (Spain, on-site): build and maintain backend components and microservices in Go, design RESTful APIs, work with SQL/NoSQL databases, debug production issues, and take part in code reviews and Agile sprint planning. Mid-level role (2-3 years' experience) with mentorship from senior engineers.

Agile API Azure Azure DevOps CI/CD +20 skills

Mondelez España Galletas Production SLU

Ai Engineer / Full Stack Developer – Ai Reporting & Insights

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Full stack AI engineer at Mondelēz building an AI-powered insights platform in Madrid: designing data pipelines (Python, Databricks, AWS), deploying LLM/RAG workflows, and shipping React/Next.js applications that turn market data into recommendations, with Terraform, Docker, and CI/CD.

AI API Api Design AWS CI/CD +35 skills

Expert Full Stack Developer | Java + Angular + React Native - Remote

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Full stack developer joining a small remote team to build a greenfield project on a React, React Native, Node, GraphQL and AWS stack; React Native experience is preferred. Fully remote role (during and after Covid) with up to 31 days holiday and salary up to 60,000.

React React Native

CORUS Consulting

Full Stack Developer - €32.000 - €40.000 Al Año - Remote

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Full stack developer at digital transformation consultancy Knowmad Mood, building enterprise apps split ~60% Python backend and ~40% React/Next.js frontend, plus REST APIs, microservices, Snowflake data work and AI/LLM integrations. 100% remote from Madrid, €32k-€40k/year, permanent contract.

API Bitbucket CI/CD Cloud Cloud Native +15 skills

32K – 40K €

BME - Bolsas y Mercados Españoles

Full Stack Java Developer

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Full Stack Java Developer at BME (Spanish stock exchange operator) building features for trading platforms. Day to day: designing and delivering high-quality functionality with Java 8+ and Spring Boot, collaborating in Scrum/SAFe agile teams, and ensuring code quality through testing and CI/CD. Onsite in Madrid.

Agile CI/CD Java Scrum Spring

6001 Tecnilogica Ecos. Company

Ai Backend Developer - €21.600 Al Año

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Consulting role guiding customers and internal teams to ERP solutions on Microsoft Dynamics 365 Finance & Operations: gathering requirements, designing scalable architectures, and integrating AI-enabled capabilities, plus pre-sales and delivery leadership. Title says AI Backend Developer but the description describes an ERP Technical Lead; Spain, €21,600/year.

AI ERP Microsoft Dynamics Pre-sales

22K – 22K €

PHET Enterprise Services

Senior Systems Administrator / Java Developer

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Hybrid senior role at DXC Technology combining Windows/Linux systems administration and N3 production support with Java backend development (Spring, Servlets, JSP, microservices). Day to day: operating critical corporate infrastructure, networks, databases, virtualization, observability, CI/CD and security tooling.

Active Directory AI AWS Bash Cloud +36 skills

ALTEN Delivery Centre Spain

Java Developer - €30 An Hour - Remote

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Senior Java developer working 100% remotely on a long-term banking project via ALTEN's Spanish delivery centre, building services with Spring Boot, reactive programming, and distributed architectures for €30/hour.

30 – 30 € / hr

Backend Developer Java Spring Boot

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Java/Spring Boot backend developer at a healthcare software company in Mislata (Valencia), Spain, evolving and maintaining an Electronic Health Record viewer platform for hospitals and other products. Monolithic (non-microservices) Java web stack with Apache, Git, Maven; hybrid work, permanent contract, €27k–35k gross/year.

Git Java JSON Kanban Maven +7 skills

27K – 35K €

Axpe Consulting Sl

Backend Developer | Java & Spring Boot

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Backend developer with strong Java/Spring Boot skills building systems for UST's lead banking-sector client, while training in the Actico Rules business rules platform. Hybrid Madrid role: 3 days at the client's office (Ventas area), 2 days remote.

Java Kafka Oracle

eXperience IT Solutions

Senior Full Stack Developer Ai Native Engineering

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Senior full-stack developer at eXperience IT Solutions building scalable enterprise apps — including an emissions-monitoring application and a distribution/pricing/processing platform — using microservices, CI/CD and AI-native engineering tools (Copilot, Cursor, ChatGPT, etc.). Requires 3+ years full-stack experience and C1 English; 100% remote, €30k–50k gross.

AI ChatGPT CI/CD DevOps GitHub +2 skills

30K – 50K €

6008 AVANADE SPAIN, S.L.U Company

Ai Full Stack Developer - €25.000 - €40.250 A Year

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Full Stack Java developer (hybrid, Madrid) developing, maintaining, and evolving corporate applications — for regional housing/transport systems — using Java, Spring Boot, Hibernate, JSF on the backend, Angular/React/TypeScript on the frontend, Oracle databases, and integration tooling like REST/SOAP APIs, Kafka, WSO2, and CI/CD tools.

React TypeScript

25K – 40K €

Hiberus Tecnología

Full Stack Developer .Net+Angular

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Full Stack Developer at Hiberus Tecnología, a global tech consulting company focused on digital innovation. The role involves building full-stack solutions with Angular and .NET/Java in cloud-native environments, working with Generative AI.

AI Angular Cloud Cloud Native Generative AI +1 skills

6008 AVANADE SPAIN, S.L.U Company

Ai Full Stack Developer

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Full Stack Java developer in a hybrid Madrid role building, maintaining and evolving corporate applications: backend/frontend work with Java, Spring Boot, Hibernate, JSF, Angular/React, plus REST/SOAP integrations (WSO2, Kafka) and Oracle/SQL databases. Requires 2+ years on regional government housing or transport systems.

AI Analytics Angular API Automation +27 skills