Senior Billing Engineer (.NET/SQL)

TL;DR

Senior Billing Engineer (.NET/SQL): Developing and maintaining financial systems and billing applications with an accent on C#, .NET Core, and T-SQL optimization. Focus on translating business requirements into scalable technical solutions, automating billing cycles, and migrating legacy applications to the cloud.

Location: Virtual Poland

Company

hirify.global is a global leader in data and software services transforming the vehicle lifecycle into a connected digital experience across more than 90 countries.

What you will do

• Design and maintain applications using C#, .NET Core, and ASP.NET Core MVC/Web APIs.
• Develop complex T-SQL queries, stored procedures, and data models for financial systems.
• Integrate applications with cloud services, third-party APIs, and identity providers.
• Coordinate monthly billing cycles, configure new billing models, and resolve data discrepancies.
• Migrate legacy applications to the cloud and optimize CI/CD automation processes.
• Provide technical mentorship and support to junior developers.

Requirements

• At least 5 years of professional experience with .NET/C# and ASP.NET WebAPI.
• Strong proficiency in Transact-SQL and SQL Server databases.
• Experience with REST/SOAP webservices and TDD/BDD methodologies.
• Ability to create reports using PowerBI or JasperReport.
• English fluency is required.
• Must be based in Poland.

Nice to have

• German language knowledge.
• Intermediate MS Excel knowledge.

Culture & Benefits

• Innovative global culture with a team of 6,500 members.
• Opportunity to take full ownership of the software development life cycle.
• Professional environment focused on cognitive answers, insights, and automation.