Java Back-end Developers

K2 Partnering Solutions; Salamanca; A distancia; EUR 50.000 - 70.000; A tiempo parcial

Descripción de la vacante

K2 Partnering Solutions is seeking a Senior Java Backend Developer for a remote contract position based in Spain, ideally Madrid. The role involves designing and maintaining backend services using Java and Spring in a dynamic environment, contributing to microservices architecture and cloud solutions. Candidates should possess significant experience in backend development and strong problem-solving skills. Fluency in Spanish and an advanced level of English are required.

Formación

• 7+ years of experience as a backend developer (Java + Spring).
• Strong understanding of microservices architecture.
• Fluent in Spanish and advanced English (C1).

Responsabilidades

• Design, develop, and maintain backend services using Java and Spring Microservices.
• Architect scalable and highly available microservices.
• Collaborate with cross-functional teams to deliver new features.

Conocimientos

Java

Spring

Microservices

Problem-solving

Teamwork

Cloud infrastructure

Educación

Master’s degree in Computer Science or related field

Herramientas

MongoDB

AWS DocumentDB

Azure DevOps

Terraform

Docker

Kubernetes

Descripción del empleo

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Talent Strategy | People Development | Executive Search & Retention Specialist - Your Talent, my passion

We’re looking for Senior Java Backend Developer CONTRACTORS (Remote – Spain)

Location : Remote (based in Spain), preferred Madrid

Are you a passionate Java backend expert with a strong background in microservices and cloud infrastructure? We’re looking for a Senior Backend Developer to join a cutting-edge project for a leading client in Madrid.

Key Responsibilities :

• Design, develop, and maintain backend services using Java and Spring Microservices
• Architect scalable and highly available microservices
• Develop and optimize database solutions using MongoDB and AWS DocumentDB
• Collaborate with cross-functional teams to deliver new features
• Ensure performance, security, and responsiveness of applications
• Use Azure DevOps for CI / CD pipelines and infrastructure automation
• Implement Infrastructure as Code using Terraform
• Troubleshoot and resolve issues across environments

Requirements :

• 7+ years of experience as a backend developer (Java + Spring)
• Strong understanding of microservices architecture
• Hands-on experience with MongoDB and AWS DocumentDB
• Proficient in Azure DevOps for CI / CD and infrastructure management
• Experience using Terraform
• Fluent in Spanish and advanced English (C1)
• Excellent problem-solving and teamwork skills

Preferred Qualifications :

• Master’s degree in Computer Science or related field
• Familiarity with Salesforce integration
• Experience with containerization ( Docker, Kubernetes )
• Understanding of front-end technologies and frameworks

Seniority level

• Seniority level Mid-Senior level

Employment type

• Employment type Contract

Job function

• Job function Information Technology
• Industries IT Services and IT Consulting

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