Remote Senior Java Backend Engineer - Telecom Microservices

Tieto; Warszawa; Remote; PLN 220.000 - 320.000; Vollzeit

Zusammenfassung

Tieto Tech Consulting is seeking a Senior Java Backend Developer to support the backend services for telecom network management. You will design and implement RESTful APIs, work with Java 21, Quarkus, and microservices, and collaborate with cross-functional teams in English.

You will handle databases like PostgreSQL and Oracle, ensure code quality with CI/CD and SonarQube, and participate in CI pipelines using Jenkins, Jira, and Confluence in a remote, international setting.

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.
• Comfortable working in existing product codebases, not greenfield only.
• Fluent English (written and spoken).

Aufgaben

• Design and implement backend services for telecom network management solutions.
• Develop and extend TMF-compliant APIs (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 (fluent)

SOA / microservices

SQL / relational DBs

Tools

Quarkus

Spring Boot

PostgreSQL

Oracle

Kubernetes

Jenkins

Git

SonarQube

Jira

Confluence

Jobbeschreibung

Tieto Tech Consulting is seeking a Senior Java Backend Developer to support the backend services for telecom network management. You will design and implement RESTful APIs, work with Java 21, Quarkus, and microservices, and collaborate with cross-functional teams in English.

You will handle databases like PostgreSQL and Oracle, ensure code quality with CI/CD and SonarQube, and participate in CI pipelines using Jenkins, Jira, and Confluence in a remote, international setting.