Sr Backend Developer – Spring Boot (Telework from Spain)

Infoser Technological solutions, Hardware, Big Data Experts; Madrid; A distancia; EUR 40.000 - 70.000; Jornada completa

Descripción de la vacante

A leading technology solutions company seeks a Senior Backend Developer to join their innovative team. This remote position in Spain offers an exciting opportunity to contribute to high-impact projects and build scalable solutions in a collaborative environment focused on professional growth and technological excellence.

Servicios

100% remote work

Opportunities for continuous learning

Flexible and collaborative environment

Formación

• 4+ years as a Backend Developer.
• Strong knowledge of Java 21 and Spring Boot.
• Experience with PostgreSQL and OpenSearch.

Responsabilidades

• Design and implement backend microservices.
• Apply DDD and SOLID principles.
• Ensure timely delivery of features.

Conocimientos

Java 21

Spring Boot

PostgreSQL

DDD

SOLID principles

OpenSearch

team collaboration

English (fluent)

Herramientas

AWS

Azure

GCP

Docker

Kubernetes

Descripción del empleo

Sr Backend Developer – Spring Boot (Telework from Spain) Sr Backend Developer – Spring Boot (Telework from Spain)

1 day ago Be among the first 25 applicants

At Infoser New Technologies , we are looking for a Senior Backend Developer to join our innovation team. You’ll play a key role in building robust and scalable backend solutions as part of international, collaborative, and high-impact tech projects.

Key Responsibilities

• Design and implement backend microservices using Java 21 and Spring Boot .
• Apply DDD , SOLID principles, and software design patterns to ensure clean and maintainable code.
• Develop efficient queries and manage relational structures in PostgreSQL .
• Integrate and optimize search functionalities using OpenSearch .
• Collaborate in agile teams with fellow developers, product owners, and architects.
• Ensure timely delivery of features while maintaining effective team communication.
• Actively participate in code reviews, sprint planning, and retrospectives.

Requirements

Must-Haves :

• 4+ years of experience as a Backend Developer.
• Strong knowledge of Java 21 and Spring Boot .
• Proven experience applying DDD, SOLID , and modern architectural patterns.
• Solid understanding of PostgreSQL (data modeling, query optimization, data integrity).
• Experience with OpenSearch (or ElasticSearch).
• Strong team collaboration skills and the ability to work under tight deadlines.
• Fluent English (spoken and written) for working in international environments.

Nice-to-Haves :

• Experience with cloud environments (AWS, Azure or GCP).
• Familiarity with CI / CD pipelines.
• Knowledge of Docker and / or Kubernetes.

What We Offer

• 100% remote work from anywhere in Spain.
• Opportunity to work on international projects with cutting-edge technologies.
• Flexible, collaborative, and innovation-driven environment.
• Continuous learning and professional growth opportunities.
• A culture focused on quality, innovation, and teamwork.

Interested?

If you're ready to join a team that values technical excellence and innovation, we look forward to hearing from you!

Seniority level

• Seniority level Mid-Senior level

Employment type

• Employment type Full-time

Job function

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

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