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Infoser Technological solutions, Hardware, Big Data Experts

Backend Developer (Kotlin/Java) ONLY SPAIN

Infoser Technological solutions, Hardware, Big Data Experts
Spain · Full-time · Not Applicable
Infoser NT is looking for a Backend Developer (Kotlin/Java) to join an agile, innovation-driven team building advanced recommender systems for a digital car configurator platform. Only Spain residents.

What You’ll Do

  • Design, develop, and maintain scalable backend services.
  • Contribute across the full development lifecycle: design, implementation, deployment, and operations.
  • Build and improve high-performance recommender systems.
  • Ensure reliability, performance, and security of backend solutions.
  • Collaborate with cross-functional teams (product, frontend, data, DevOps).
  • Participate in agile ceremonies and contribute to technical decisions.
  • Work with CI/CD pipelines and containerized environments.

Requisitos mínimos

Requirements

  • Strong experience with Java and/or Kotlin.
  • Solid knowledge of backend development, APIs, and software architecture.
  • Experience with CI/CD (GitHub Actions), Docker, Kubernetes, and PostgreSQL.
  • Familiarity with agile methodologies and tools like Jira/Confluence.
  • Good understanding of testing, deployment, and system reliability.
  • Fluent English.
  • Based in Spain.

Nice to Have

  • Experience with recommender systems or personalization engines.
  • Knowledge of microservices and cloud-native architectures.
  • Exposure to observability and monitoring practices.

What We Offer

  • Full-time role in a modern, agile environment.
  • Opportunity to work on impactful, data-driven products.
  • Collaborative culture with cutting-edge technologies.
  • Remote-friendly setup within Spain.

#Infosernt New Tecnológicas

Key Skills

Ranked by relevance

cicd microservices kubernetes docker cloud java
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Country Guide

Spain

Strong city options with excellent lifestyle

Posted
May 07, 2026
Type
Full-time
Level
Not Applicable
Location
Madrid
Company
Infoser Technological solutions, Hardware, Big Data Experts

Industries

IT Services IT Consulting

Categories

Information Technology

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