Backend Software Engineer (REF4773M)

Budapest - Hungary

Monthly Salary: Not Disclosed

Posted on: 7 hours ago

Vacancies: 1 Vacancy

Job Summary

Tasks:

Developing maintaining and supporting backend microservice applications using
- Java 25
- Spring Boot 3.5 (with Reactive stack)
- Gradle 9.1
- JUnit 5 testing framework for unit and integration at development side
- deploying to Kubernetes / Helm / AWS EKS Cluster
- Gitlab for CI/CD using Gitlab Ultimate Features (code quality dependency scanning) focusing on PSA requirements and vulnerabilities
- Elasticsearch and Kibana for storing logs
- Grafana and Prometheus for charts
Designing developing testing and documenting RESTful and Reactive APIs using latest Spring WebFlux
Efficient collaboration with databases (PostgreSQL) including writing optimized SQL queries
Ensuring code quality through automated testing using JUnit 5 and integration tests also leveraging WrappedMockService from the okhttp3 package for mocking external dependencies
Regular participation in code reviews technical discussions and architecture refinement
Working closely with testers and architects to ensure high-quality deliverables
Operation and support tasks performed occasionally during regular working hours (no on-call or overtime work expected)

Qualifications :

Higher education degree in engineering computer science or related field
At least 3 years of professional experience in backend Java development
In-depth knowledge of Spring Boot 3 with strong focus on Reactive programming (Spring WebFlux)
Experience building and maintaining microservices architectures and developing scalable REST and reactive APIs
Intermediate knowledge of SQL databases (PostgreSQL preferred)
Experience with Elasticsearch and Kibana for logging and monitoring
Daily use of JIRA for task and issue tracking
Daily use of version control systems preferably Git
Basic DevOps knowledge for example Docker and CI/CD pipelines (GitLab CI Jenkins)
Strong problem-solving skills and ability to work independently as well as part of a team
Excellent communication skills flexibility and a continuous learning mindset

Advantages:

Experience working with GitLab repositories and pipelines
Familiarity with TARDIS / EventHorizon tools/platforms
Advanced knowledge of JUnit 5 testing framework and integration test practices in Java
Hands-on experience with AWS cloud services (basic level)
Knowledge of Reactive Java libraries and paradigms beyond WebFlux

Additional Information :

* Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.

Remote Work :

Employment Type :

Full-time

Tasks:Developing maintaining and supporting backend microservice applications usingJava 25Spring Boot 3.5 (with Reactive stack)Gradle 9.1JUnit 5 testing framework for unit and integration at development sidedeploying to Kubernetes / Helm / AWS EKS ClusterGitlab for CI/CD using Gitlab Ultimate Featur...

Tasks:

Developing maintaining and supporting backend microservice applications using
- Java 25
- Spring Boot 3.5 (with Reactive stack)
- Gradle 9.1
- JUnit 5 testing framework for unit and integration at development side
- deploying to Kubernetes / Helm / AWS EKS Cluster
- Gitlab for CI/CD using Gitlab Ultimate Features (code quality dependency scanning) focusing on PSA requirements and vulnerabilities
- Elasticsearch and Kibana for storing logs
- Grafana and Prometheus for charts
Designing developing testing and documenting RESTful and Reactive APIs using latest Spring WebFlux
Efficient collaboration with databases (PostgreSQL) including writing optimized SQL queries
Ensuring code quality through automated testing using JUnit 5 and integration tests also leveraging WrappedMockService from the okhttp3 package for mocking external dependencies
Regular participation in code reviews technical discussions and architecture refinement
Working closely with testers and architects to ensure high-quality deliverables
Operation and support tasks performed occasionally during regular working hours (no on-call or overtime work expected)

Qualifications :

Higher education degree in engineering computer science or related field
At least 3 years of professional experience in backend Java development
In-depth knowledge of Spring Boot 3 with strong focus on Reactive programming (Spring WebFlux)
Experience building and maintaining microservices architectures and developing scalable REST and reactive APIs
Intermediate knowledge of SQL databases (PostgreSQL preferred)
Experience with Elasticsearch and Kibana for logging and monitoring
Daily use of JIRA for task and issue tracking
Daily use of version control systems preferably Git
Basic DevOps knowledge for example Docker and CI/CD pipelines (GitLab CI Jenkins)
Strong problem-solving skills and ability to work independently as well as part of a team
Excellent communication skills flexibility and a continuous learning mindset

Advantages:

Experience working with GitLab repositories and pipelines
Familiarity with TARDIS / EventHorizon tools/platforms
Advanced knowledge of JUnit 5 testing framework and integration test practices in Java
Hands-on experience with AWS cloud services (basic level)
Knowledge of Reactive Java libraries and paradigms beyond WebFlux

Additional Information :

* Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.

Remote Work :

Employment Type :

Full-time

Key Skills

Business Intelligence
Bidding
Accounts Assistant Credit Control
Account Development
Content Development
Lab Testing

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About Company

Deutsche Telekom IT Solutions

The largest ICT employer in Hungary, Deutsche Telekom IT Solutions (formerly IT-Services Hungary, ITSH) is a subsidiary of the Deutsche Telekom Group. Established in 2006, the company provides a wide portfolio of IT and telecommunications services with more than 5000 employees. ITSH w ... View more

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