Senior Software Engineer

IDR is seeking a Senior Software Engineer to join one of our top clients for a hybrid opportunity in New York, NY. This role involves supporting a financial services firm focused on multi-strategy asset management, specifically assisting with migrating their systems from a legacy environment to a modern cloud-native platform. The position offers a dynamic environment where innovative backend development and cloud expertise are essential for success.Key Skills: .NET/C#, AWS & AWS Services, Event-driven architectures (EDA), Performance Engineering** This is a 1-year W2 contract (likley to extend)** Hybrid-schedule | 2-3 days / week onsite in NYC-properPosition Overview for the Senior Software Engineer:Develop and enhance cloud-native distributed systems on AWS in a production environment.Collaborate with cross-functional teams to design, build, and modernize platforms, including migration projects.Contribute to creating scalable, high-performance services with a focus on reliability, security, and operational excellence.Engage in full lifecycle software development, from planning to deployment and maintenance.Participate in code reviews, automated testing, and infrastructure-as-code practices to ensure high-quality deliverables.Requirements for the Senior Software Engineer:7+ years of experience developing products using C# / .NETStrong AWS experience, including serverless and performance-aware system design.Extensive knowledge of event-driven architectures (EDA), including asynchronous and synchronous patterns, pub-sub, and routing, with experience using tools such as Kafka, MQTT, or RabbitMQSolid understanding of threading concepts, including concurrency and parallelismExperience with performance engineering and optimizationWhat's in it for you?Competitive compensation packageFull Benefits; Medical, Vision, Dental, and more!Opportunity to get in with an industry leading organization.Why IDR?25+ Years of Proven Industry Experience in 4 major marketsEmployee Stock Ownership ProgramDedicated Engagement Manager who is committed to you and your success.Medical, Dental, Vision, and Life InsuranceClearlyRated's Best of Staffing® Client and Talent Award winner 12 years in a row.