About The Position
InPost Group is seeking a Billing System Engineer to support and develop its billing platform (Comarch BSS) across the InPost Group. The role involves ensuring the stability, configuration, and continuous operation of billing systems, managing end-to-end data flows, and supporting system expansion into European markets. The engineer will collaborate with various internal teams (product, infrastructure, security, CRM, data) and external vendors, translating technical concepts into actionable solutions.
Requirements
- 3+ years of experience working with Comarch BSS (Product Catalog, Billing, Billing Mediation).
- 2+ years of experience with SQL for data analysis and troubleshooting.
- Experience in enterprise system integrations and familiarity with integration tools.
- Knowledge of billing processes (invoicing, rating, usage-based billing).
- Good knowledge of Linux, REST API testing, Apache Kafka, and databases such as Oracle / PostgreSQL / Elasticsearch.
- Active use of AI tools (e.g. ChatGPT, GitHub Copilot) for log analysis, SQL optimization, documentation, and initial problem diagnosis.
- English at B2 level or higher.
Nice To Haves
- Experience with enterprise systems such as CRM, ERP, data warehouses, or event streaming platforms.
- Knowledge of Apache Cassandra and Kubernetes.
- Experience with prompt engineering and automating operational work using AI tools.
Responsibilities
- Maintain and develop Comarch BSS (Product Catalog, Billing, Billing Mediation): configuration, updates, performance monitoring, and incident resolution.
- Monitor system processes, analyze logs, identify and resolve data and runtime issues.
- Ensure stability and continuity of system integrations and interfaces across the billing ecosystem.
- Manage backups, data recovery processes, and system availability and resilience.
- Take technical ownership of the billing system after deployments and during ongoing operations.
- Cooperate with infrastructure and security teams to ensure compliance with audit and security requirements.
- Track the BSS roadmap, run Proofs of Concept, and maintain high-quality technical documentation.
Benefits
- b2b type of contract
Stand Out From the Crowd
Upload your resume and get instant feedback on how well it matches this job.
Upload and Match Resume
What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Education Level
No Education Listed
