Billing System Engineer – Comarch BSS

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

📋 Description

• Oversee and configure the Comarch BSS platform, focusing on Product Catalog, Billing, and Billing Mediation.

• Track platform performance, system jobs, error logs, and incidents during runtime.

• Analyze data discrepancies and determine their root causes.

• Supervise system interfaces and integrations to guarantee seamless end-to-end data flows.

• Assist in backup and recovery processes and solutions that enhance system availability.

• Set up data connections and integrations, taking technical ownership post-implementation.

• Support audit controls, security protocols, and compliance-related activities.

• Adhere to the BSS roadmap.

• Conduct Proofs of Concept and maintain technical documentation.

• Participate in platform upgrades, patches, the introduction of new functionalities, and resolution of technical issues.

• Utilize AI tools for log analysis, SQL query generation and optimization, technical documentation, and preliminary diagnosis of system issues.

⛳️ Requirements

• Minimum of three years of experience with Comarch BSS, particularly in Product Catalog, Billing, or Billing Mediation.

• Proficient in SQL for data analysis, record tracing, and troubleshooting.

• At least two years of experience with enterprise system integrations and integration tools.

• Knowledge of billing processes, including invoicing, rating, and usage-based billing.

• Familiarity with Oracle or PostgreSQL databases and Elasticsearch.

• Hands-on experience with Linux, REST API testing, and Apache Kafka.

• Proficient in English and Polish at a B2 level or higher.

• Additional advantages: experience with CRM, ERP, data warehouses, or event-streaming solutions.

• Additional advantages: knowledge of Apache Cassandra.

• Additional advantages: knowledge of Kubernetes.

• English proficiency at a C1 level is an added advantage.

• Active engagement with AI tools such as ChatGPT, Claude, or GitHub Copilot.

🏝️ Benefits

• Significant influence on the stability, development, and future trajectory of billing solutions.

• Opportunity to engage with complex, business-critical systems and address operational challenges.

• Freedom to suggest enhancements and assume technical ownership.

• Collaboration with experts across technology and business sectors in an international setting.

• Exposure to Comarch BSS, system integrations, databases, APIs, and event-driven solutions.

• Opportunities to investigate new technologies, execute Proofs of Concept, and contribute to the evolution of the billing platform.

• B2B contract.