Billing System Engineer – Comarch BSS

This is a fully remote position, open to applicants in Poland.

📋 Description

• Oversee and enhance Comarch BSS (Product Catalog, Billing, Billing Mediation): including configuration, updates, performance monitoring, and incident resolution.

• Supervise system processes, analyze logs, and identify and rectify data and runtime issues.

• Ensure the stability and continuity of system integrations and interfaces across the billing ecosystem.

• Manage backups, data recovery procedures, and ensure system availability and resilience.

• Assume technical ownership of the billing system following deployments and during ongoing operations.

• Collaborate with infrastructure and security teams to guarantee compliance with audit and security protocols.

• Monitor the BSS roadmap, conduct Proofs of Concept, and maintain high-quality technical documentation.

⛳️ Requirements

• A minimum of 3 years of experience working with Comarch BSS (Product Catalog, Billing, Billing Mediation).

• At least 2 years of experience using SQL for data analysis and troubleshooting.

• Experience with enterprise system integrations and familiarity with integration tools.

• Understanding of billing processes (invoicing, rating, usage-based billing).

• Proficient in Linux, REST API testing, Apache Kafka, and databases such as Oracle / PostgreSQL / Elasticsearch.

• Regularly utilize AI tools (e.g., ChatGPT, GitHub Copilot) for log analysis, SQL optimization, documentation, and initial problem diagnosis.

• Proficient in English at a B2 level or higher.

🏝️ Benefits

• High ownership and significant influence on system stability and development.

• Collaboration with seasoned product, data, infrastructure, and security teams.

• A technological environment that embraces AI-supported methodologies.

• A strong engineering culture within a rapidly expanding international organization.