Sr. Net Developer :::Hybrid – Downtown Chicago, IL (W2)

Job Summary (List Format) Senior .NET Developer We are seeking a Senior .NET Developer to design, develop, and support scalable, cloud-based applications. The ideal candidate will have strong experience with modern .NET technologies, microservices, and event-driven architecture using AWS SQS and SNS. Key Responsibilities Design, develop, and maintain applications using C# and .NET/.NET Core. Build scalable RESTful APIs and microservices. Develop event-driven and asynchronous integrations using AWS SQS and SNS. Configure message queues, topics, subscriptions, retries, and dead-letter queues. Deploy and support applications within an AWS cloud environment. Troubleshoot application, integration, and messaging issues. Improve application performance, scalability, reliability, and security. Participate in code reviews, automated testing, deployments, and production support. Collaborate with architects, product owners, QA engineers, and other developers. Mentor junior developers and contribute to technical design decisions. Required Qualifications Strong professional experience developing applications with C# and .NET/.NET Core. Experience designing and building RESTful APIs and microservices. Hands-on experience with AWS SQS and SNS. Strong understanding of event-driven architecture and asynchronous messaging. Experience handling message retries, failures, duplicate messages, and dead-letter queues. Experience with SQL Server or another relational database. Knowledge of object-oriented programming, design patterns, and distributed systems. Experience with unit testing, source control, and CI/CD pipelines. Strong troubleshooting, communication, and problem-solving skills.