Senior Java Backend Engineer: Telecom APIs & Microservices

Tieto Corp.; Warszawa; Hybrid; PLN 180.000 - 300.000; Vollzeit

Zusammenfassung

Tieto Tech Consulting in Warsaw, Poland, seeks a Senior Java Backend Developer to support the COM5.Mobile platform used by telecom operators. The role focuses on backend services, TM Forum APIs, and data models, collaborating with product development and value teams.

You will design and implement microservices with Java 21 and Quarkus, integrate PostgreSQL and Oracle, and ensure code quality through CI pipelines and SonarQube, while communicating in English with cross-functional stakeholders.

Qualifikationen

• 5+ years professional experience in Java backend development.
• Strong experience with REST APIs and service-oriented architectures.
• Solid knowledge of SQL and relational databases.
• Experience with modern Java frameworks (Quarkus, Spring Boot, similar).
• Familiarity with CI/CD pipelines and code quality tools.
• Fluent English (written and spoken).

Aufgaben

• Design and implement backend services for telecom network management solutions.
• Develop and extend TMF-633, TMF-639.
• Implement resource inventory and service catalog exposure for external systems.
• Work with complex network and OSS data models (slicing, network resources, configuration data).
• Develop microservices using Java 21 and Quarkus.
• Integrate services with PostgreSQL and Oracle databases.
• Support audit and optimization use cases (e.g. slicing audits, discrepancy detection).
• Ensure code quality through unit tests, CI pipelines, and SonarQube.
• Collaborate within cross-functional teams using Jira and Confluence.
• Communicate in English with product owners, architects, and project leads.

Kenntnisse

Java backend

REST APIs

English fluency

Problem solving

Tools

Quarkus

Spring Boot

Kubernetes

Jenkins

Git

SonarQube

Jira

Confluence

PostgreSQL

Oracle

Jobbeschreibung

Tieto Tech Consulting in Warsaw, Poland, seeks a Senior Java Backend Developer to support the COM5.Mobile platform used by telecom operators. The role focuses on backend services, TM Forum APIs, and data models, collaborating with product development and value teams.

You will design and implement microservices with Java 21 and Quarkus, integrate PostgreSQL and Oracle, and ensure code quality through CI pipelines and SonarQube, while communicating in English with cross-functional stakeholders.