The English-language job board for Spain

Senior Java Backend Developer

On-site in Madrid·Added 4 months ago (last checked 9 Oct)

Agency
Marlex Recruiting

858 open roles

Overview

Work mode
On-site, Madrid
Experience
5+ years
Education
University degree

Visa options

  • The ad doesn’t mention sponsorship

    Not a refusal, but not a yes. Worth asking in your first message.

Find jobs with visa support

Skills

Nice to have

This job advert was originally written in Spanish.

Requirements

What we're looking for

  • Minimum 5-6 years of experience in backend application development with Java 8/17.
  • Advanced experience in the design, development, and implementation of microservices using Spring Boot.
  • Solid experience with Spring Framework, leveraging new features and optimizations.
  • Development and maintenance of applications based on RESTful and SOAP architecture.
  • Implementation of robust security systems using Spring Security, adapted to the latest versions of the framework.
  • Extensive handling of Oracle databases and development in SQL and PL/SQL.
  • Advanced use of JPA/Hibernate for data persistence.
  • Management of GIT version control.
  • Implementation and handling of processing queues, including RabbitMQ and Oracle Advanced Queues (AQ).
  • Experience working in agile environments (Scrum/Kanban).

Nice to have

  • Experience in continuous integration and continuous deployment (CI/CD), using tools such as Jenkins, GitLab CI/CD, or similar.
  • Knowledge of monitoring tools (Prometheus, Grafana, or similar).
  • Familiarity with Docker and Kubernetes for container management and deployments.
  • Use of design patterns, event-driven architecture, and API design.
  • Knowledge of web application security (OWASP).
  • Experience with automated testing frameworks (JUnit, Mockito).
  • Management of Linux operating systems for development and production environments.
  • Ability to migrate legacy applications to modern versions of Spring Framework and Java.

Education & certifications

Required education: Technical Engineering in Computer Science or Telecommunications

Desirable certifications:

  • Oracle Certified Professional, Java SE 8/17 Developer
  • Certification in agile methodologies (Scrum Master, Product Owner)
  • Certification in Spring Framework (Pivotal Certified Spring Professional)

The role

At Paul Marlex, we are working with a Spanish company specialized in Engineering applied to Cyber Intelligence and digital surveillance, seeking a Senior Java Backend Developer to join their offices in Madrid.

What you'll do

  • Design, develop, and maintain backend solutions based on microservices architecture using Spring Boot and Spring Framework, ensuring high quality, scalability, and performance.
  • Implement and maintain authentication and authorization systems using Spring Security, adapting to the standards and improvements introduced in the latest versions.
  • Participate in the analysis of functional and technical requirements, transforming them into efficient technical solutions.
  • Develop and maintain RESTful and SOAP APIs for the integration of internal and external systems.
  • Optimize and manage data persistence using JPA/Hibernate and custom queries in SQL and PL/SQL.
  • Implement processing queues and asynchronous messaging in distributed systems, including RabbitMQ and Oracle Advanced Queues (AQ).
  • Supervise and conduct code reviews to ensure compliance with best practices and quality standards.
  • Manage code repositories and workflows in GIT, applying version control methodologies and flows such as GitFlow.
  • Collaborate with multidisciplinary teams in agile methodologies such as Scrum or Kanban.
  • Identify and resolve complex issues in production environments, applying advanced debugging and analysis techniques.

Personal Skills

  • Strong analytical skills and a results-oriented approach to problem solving.
  • Excellent communication skills to work in teams and with technical and non-technical stakeholders.
  • Proactivity and initiative to identify and propose improvements to existing processes and solutions.
  • Adaptability to work in dynamic environments and with constantly evolving technologies.
  • Attention to detail and commitment to the quality of delivered software.

About Marlex Recruiting

Marlex Recruiting is a Spanish recruitment and staffing agency based in Girona, specializing in connecting companies with qualified professionals across various sectors, including industrial, engineering, IT, and commercial roles. With a strong presence in the Catalan region, Marlex provides both permanent and temporary staffing solutions, leveraging a deep understanding of the local job market to serve both clients and candidates effectively.

For international professionals, Marlex offers a gateway to opportunities in Spain, particularly in the dynamic industrial and tech hubs of Catalonia. The company's work culture is client-focused and results-driven, with a team of recruiters who are experienced in navigating the Spanish labor market. While Marlex primarily serves the local market, its services can be valuable for international candidates seeking employment in Spain, especially in the Girona and Barcelona areas.

Industry
Recruiting
Website
marlex.net
All open roles at Marlex Recruiting
WhatsApp

Nursing Director

Marlex Recruiting1w ago2 openings
Agency
€75kGaliciaBlue Card threshold

HR Director

Marlex Recruiting1w ago
Agency
€40kIbi

Pediatric ICU Nurse

Marlex Recruiting5d ago2 locations
Agency
€40k – €42kBarcelona

Occupational Risk Prevention Technician

Marlex Recruiting5d ago4 locations
Agency
€25kMonzón

Site Manager

Marlex Recruiting6d ago11 locations
Agency
€32k – €42kSabadell

Mid-Senior .NET Developer

Marlex Recruiting6d ago
Agency
€30kHybrid in MurciaNo Spanish needed

Operations and Backoffice Manager

Marlex Recruiting5d ago
Agency
€22k – €24kTeruel

Tax Manager

Marlex Recruiting2w ago
Agency
€50k – €54kRemote, BarcelonaBlue Card threshold

Industrial Coordinator

Marlex Recruiting2w ago
Agency
€42kGranollersBlue Card thresholdNo Spanish needed

Administrative Accountant

Marlex Recruiting6d ago
Agency
€22k – €28kYequeda

Order to Deliver Lead

Marlex Recruiting2w ago
Agency
€40kSanta Perpetua de MogodaNo Spanish needed
See all 858 jobs