Senior/Lead .NET Software Developers (CAF)

We are looking for a Tech Lead and a Senior .NET Developer to join our Anti-Fraud & Compliance team. Join our mission to protect cross-border transactions and help customers send money safely worldwide.In these roles, you'll architect and build 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 processingDrive technical excellence within the team through guidance, code reviews, and mentorshipScale our cloud-native platform on AWS (EKS, Kafka, SQS) with robust observabilityCollaborate with business stakeholders, MLOps engineers, data scientists and be a part of the product development teamEnhance fraud detection systems using MLBoost your career with a big international product company and have new growth opportunitiesTech stack:Backend: .NET, Golang, PythonData & ML: Supervised learning models, ETL pipelines, search technologiesCloud & Infrastructure: AWS (EKS, Kafka, SQS), Kubernetes, Prometheus/GrafanaWhat 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 supportStrong background in AWS or other cloud platformsExperience with Kubernetes, AWS CloudFormation, Terraform, and containerization (Docker)Experience with KafkaKnowledge of Prometheus, Grafana, OpenTelemetry, Loki, or similarExperience with SQL and NoSQL databases like MySQL, MongoDB, Oracle, Redis, or similarStrong communication skills (English B2+)It would be a plus:Familiarity with Golang, PythonExperience in team leadershipExperience in production usage of any ML technologies and MLOpsPassion for infrastructure and observabilityKnowledge of fraud prevention, fintech, or complianceWhat we offer:Remote work as b2b contractor or hybrid/ Remote full-time in BelarusReally good hardwareAn exciting and challenging job with talented people aroundGreat learning and growth opportunitiesCompensation for professional training, seminars, and conferencesFirst-class English lessonsMore perks for the Minsk office full-time employeesA 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.We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.