Join our mission to protect cross-border transactions, helping customers send money safely worldwide. As a Tech Lead C#/.NET Software Engineer in our Anti-Fraud & Compliance team, you'll architect high-performance systems that detect fraud and enforce regulatory compliance. Our ML stack focuses on tabular modeling for fraud detection.

What you'll do:

Design, develop and optimize backend microservices for real-time transaction processing

Drive technical excellence within the team through guidance, code reviews, and mentorship

Scale our cloud-native platform on AWS (EKS, Kafka, SQS) with robust observability

Collaborate with business stakeholders, MLOps engineers, data scientists and be a part of the product development team

Enhance fraud detection systems using ML

Boost your career with a big international product company and have new growth opportunities

Tech stack:

Backend: .NET, Golang, Python

Data & ML: Supervised learning models, ETL pipelines, search technologies

Cloud & Infrastructure: AWS (EKS, Kafka, SQS), Kubernetes, Prometheus/Grafana

What you'll need to succeed:

Deep knowledge and 5+ years of production experience with C# (.NET, MVC, .NET Core)

Experience in the full cycle of development from implementation to prod deployment and support

Strong background in AWS or other cloud platforms

Experience with Kubernetes, AWS CloudFormation, Terraform, and containerization (Docker)

Experience with Kafka

Knowledge of Prometheus, Grafana, OpenTelemetry, Loki, or similar

Experience with SQL and NoSQL databases like MySQL, MongoDB, Oracle, Redis, or similar

Strong communication skills (English B2+)

It would be a plus:

Familiarity with Golang, Python

Experience in team leadership

Experience in production usage of any ML technologies and MLOps

Passion for infrastructure and observability

Knowledge of fraud prevention, fintech, or compliance

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.

Additional Information

A few words about us:

IDT Corporation is a global communications company founded in 1990 and headquartered in Newark, New Jersey. We are industry leaders in prepaid communication and payment services and one of the largest international voice carriers. We are listed on the NYSE, employ over 1800 people across 20 countries, and have over $1.5 billion in revenues.

We are not ”another big IT corporation”— we encourage and support in-house entrepreneurs in developing their ideas into business actions.

We understand the challenge of being apart from those who matter most. Boss Revolution is our flagship brand. It includes International Calling, Mobile Top Up, and Money Transfer services. It enables people to keep in touch with family and friends around the world as well as to send money to more than 50 countries with low fees and great exchange rates.

IDT

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Tech Lead C#/.NET Software Engineer

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Tech Lead C#/.NET Software Engineer

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