.NET Senior Backend Developer(Contract | Remote)

Company Description ThreatXIntel is a growing Cybersecurity, IT Staffing, and Consulting company delivering end-to-end technology and security solutions. Our services include cloud security, web and mobile application security testing, DevSecOps, vulnerability assessments, IT consulting, and professional staffing services . We support global corporate clients by hiring and deploying skilled professionals across IT and cybersecurity domains while helping organizations strengthen security, optimize operations, and scale efficiently.

ThreatXIntel is committed to enabling business growth through secure, reliable, and high-quality technology solutions. Role Overview We are looking for an experienced Senior Backend Developer with strong expertise in .NET, C#, and Kubernetes to join a high-impact project. If you enjoy building scalable backend systems and working in cloud-native environments, this opportunity is for you.

As a Backend Senior Developer , you will design, develop, and optimize high-performance backend services. You will work on scalable microservices handling large volumes of data with accuracy and speed in a containerized cloud environment. Key Responsibilities Develop and deploy microservices using C# / .NET 8+ in a Kubernetes (GKE) environment Build and maintain RESTful APIs integrated with API Gateway Implement business logic for data processing, validation, and record matching Optimize database performance (Cloud Spanner / SQL / NewSQL) Ensure code quality through unit testing and CI/CD pipelines Integrate logging, monitoring, and observability tools Required Skills Strong hands-on experience in C# and .NET Core / .NET 8+ Experience with Kubernetes and containerized deployments Proficiency in SQL / NewSQL databases Solid understanding of REST API design & secure coding practices Experience with unit testing frameworks and automated deployments Good to Have Experience with cloud-native monitoring tools (Stackdriver / logging tools) Exposure to high-volume / high-burst data processing systems Knowledge of asynchronous processing / worker services