Senior .NET Software Engineer (Billing)

Idt

Minsk permanent

Posted: December 3, 2025

Job Description

Our international Net2Phone team is looking for a Senior .NET Software Engineer to join our Billing team - a group building business-critical services that process, transform, and rate usage data for customers around the world.

The Billing team is responsible for designing and maintaining distributed systems that collect, normalize and rate usage, as well as extending and customizing our core billing platform.

This is an end-to-end ownership team: from requirements to development, testing, infrastructure configuration, CI/CD pipelines, deployment and ongoing support. We are looking for someone proactivу - an engineer who strives to understand how the entire system works, not just the service they are working on.

If building robust distributed systems and owning features end-to-end excites you, we would love to work together!

As a member of the Net2Phone Billing Team you will::
• Design, build, and support services that power Net2Phone’s billing system.
• Extend and customize the billing platform to support new business and product needs.
• Collaborate closely with product, QA and other engineering teams.
• Take ownership of features end-to-end, including architecture, implementation, infrastructure and deployment.
• Ensure code quality through clean, modular, and well-documented implementations.

We want you to have::
• 5+ years of backend engineering experience.
• Excellent knowledge of .NET (we use .NET 8).
• Experience building fast, resilient, scalable microservices.
• Experience with distributed systems or event-driven architectures.

Would be a great plus::
• If you have experience working with IaaC to provision infrastructure.
• If you have experience of working with AWS.

What we offer::
• Remote work as b2b contractor or hybrid/ Remote full-time in Belarus.
• Really good hardware.
• An exciting and challenging job with talented people around.
• Great learning and growth opportunities.
• Compensation for professional training, seminars, and conferences.
• First-class English lessons.
• More perks for the Minsk office full-time employees.

About us:

IDT Belarus is a part of IDT Corporation – American telecommunications company founded in 1990 and headquartered in New Jersey. It is an industry leader in prepaid communication and payment services and one of the world's largest international voice carriers. We are listed on the NYSE, employ over 1500 people across 20+ countries and have revenues in excess of $1.5 billion.

Net2Phone is a rapidly growing global provider of unified cloud communications solutions. It was named ‘VoIP Supplier of the Year’ by the Telecom Consulting Group in 2018. Its cloud communication solution provides an integrated communications suite featuring powerful collaboration tools such as voice, messaging, chat, unlimited domestic and international calling to 23+ countries.

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