Senior Back End Developer - Java

buscojobs España; Asturias; A distancia; EUR 40.000 - 60.000; Jornada completa

Descripción de la vacante

A leading IT service company in Spain is seeking a Java Backend Engineer with extensive experience in Spring Framework and event-driven architectures. The role involves implementing high-quality Java backends, working with cloud-native solutions, and participating in agile practices. This remote position offers a flexible work environment and numerous benefits, including private medical insurance and continuous training opportunities.

Servicios

Private medical insurance

Flexible work hours

Day off on your birthday

Referral bonus

Gifts for special occasions

International and multicultural environment

Free accommodation annually near Valencia

Formación

• Minimum of 5 years experience as a Java Backend Engineer.
• Minimum of 4 years experience with the Spring Framework.
• Experience with event-driven architectures (Kafka or RabbitMQ).

Responsabilidades

• Implementation of Spring Boot-based Java backends.
• Development within the GrASP/MCCS platform environment.
• Execution of DevOps-related tasks in CI/CD.

Conocimientos

Java

Spring Framework

Apache Camel

Kafka

Protobuf

PostgreSQL

Kubernetes

Test Automation

CI/CD

Microservice Architectures

Descripción del empleo

About us
At Principal33, we strive to make happiness at work a reality. Because it's not just about the money; it's also about the work environment and appreciation. We aim to create the best team setup you can imagine and encourage involvement in projects you're passionate about. And you can be a part of it because it's fun to get things done!

We want our employees to innovate, and we support them in pursuing their true passions. Based on this conviction, Principal33 aligns its strategy around its vision: to become a leading IT service company and promote a better work-life balance. With over 200 employees from various countries, we are actively shaping the future of work.

About the Job:

1. Implementation of Spring Boot-based Java backends using clean code principles with high-quality standards.
2. Software development within the GrASP/MCCS platform environment.
3. Platform enabler functionalities for data exchange and conversion.
4. Implementation of event-driven distributed architectures (Kafka).
5. Use of cloud-native solution approaches.
6. Test-driven development (TDD).
7. Working with established software patterns.
8. Working with container technologies in Kubernetes environments.
9. Independent problem analysis and debugging.
10. Handling of common database systems.
11. Execution of DevOps-related tasks in CI/CD and Infrastructure as Code (IaC).
12. Working with agile practices.
13. Developing a fundamental understanding of business requirements.
14. Coordination and creation of user stories.
15. Participation in project-specific technical meetings as required.
16. Consulting in decision-making processes.
17. Implementation and documentation of iterative software deliveries.
18. Working with Keycloak as authentication technology (OAuth).

Necessary competencies:

1. Minimum of 5 years experience as a Java Backend Engineer.
2. Minimum of 4 years experience working with the Spring Framework (Boot, Data, JPA, Security).
3. Minimum of 4 years experience developing rule-based routing and conversion systems for data using Apache Camel.
4. Minimum of 3 years experience implementing event-driven architectures (Kafka or RabbitMQ).
5. Minimum of 3 years experience using Protobuf for defining data interfaces.
6. Minimum of 2 years experience working with relational data models and databases (particularly PostgreSQL), as well as object storage solutions (S3, CEPH, or similar).
7. Minimum of 2 years experience developing containerized applications for Kubernetes, preferably AKS and/or Rancher.
8. Experience with the network proxy framework Kroxylicious.
9. Skills in test automation (unit, integration, end-to-end testing).
10. Experience automating performance testing with Gatling in conjunction with event-streaming systems.
11. Experience with CI/CD pipelining.
12. Experience working with specialized industry protocols, preferably in the energy sector (e.g., IEC104, TASE.2, or similar).
13. Experience in provisioning, managing, and using Keycloak as authentication technology.
14. Deep understanding of microservice architectures from both developer and DevOps perspectives.
15. Minimum of 2 years experience implementing configurable or parameterizable software architectures in digital product development.
16. Experience developing software systems for critical infrastructure or industries with comparable IT security and reliability requirements.

What we offer:

• Way of working: remote 100%.
• Please only apply if you have a valid European work permit.

Benefits:

• Private medical insurance (applicable for candidates in Spain).
• Flexible work hours.
• Day off on your birthday.
• Referral bonus if you bring your contacts.
• Gifts for special occasions.
• International and multicultural environment.
• A free week-long accommodation annually at our corporate apartment near Valencia, Spain (subject to availability).

Events:

Summer party!

(Self)-Development:

Continuous training to improve your technical skills, evolve in the tech community, and develop as a professional.

We actively participate in the tech community. You may have opportunities to attend and participate in local and international tech events.