Billing Systems Engineer (C#/.NET)

TL;DR

Billing Systems Engineer (C#/.NET): Developing and maintaining financial systems and billing models with an accent on data analysis, SQL optimization, and backend service integration. Focus on building scalable .NET applications, automating CI/CD processes, and ensuring system stability for high-volume digital transactions.

Location: Must be based in Poland (Remote)

Company

hirify.global is a global leader in data and software services, transforming the vehicle lifecycle and protecting digital identities through connected digital experiences.

What you will do

• Design, develop, and maintain applications using C#, .NET Core, and ASP.NET Core MVC.
• Develop complex SQL queries, stored procedures, and data models for financial systems.
• Analyze large datasets to troubleshoot billing discrepancies and support month-end close processes.
• Integrate applications with cloud services, third-party APIs, and identity providers.
• Improve CI/CD automation and migrate legacy applications to the cloud.
• Participate in system architecture planning and define non-functional requirements.

Requirements

• Must be based in Poland
• At least 2 years of professional experience in C#, .NET, and ASP.NET WebAPI.
• Strong knowledge of Transact-SQL and SQL Server databases.
• Proficiency in creating reports using PowerBI or JasperReport.
• English: B2 level required
• Intermediate MS Excel skills.

Nice to have

• German language proficiency.
• Experience with TDD/BDD methodologies.
• Experience with REST/SOAP web services.

Culture & Benefits

• Global company environment with a focus on innovation and automation.
• Opportunity to work on high-load systems processing millions of transactions.
• Professional development in a collaborative team setting.
• Exposure to diverse financial and technical challenges.