.NET Developer

.NET Developer at JSR Tech Consulting .NET Developer at JSR Tech Consulting in Maplewood, New Jersey Posted in 5 days ago.

Type:

full-time

Job Description:

Senior Backend .NET Developer Contract Position with a

Major Investment Firm Location:

Newark, NJ - Hybrid (3 days onsite: Tuesday, Wednesday, Thursday preferred) Remote candidates may be considered C2C candidates are welcome Pay rate: Up to $70hr on w2 and $80hr on C2C We are seeking a Senior Backend .NET Developer with strong experience building scalable backend applications and cloud-based services in AWS environments. This role is focused on backend development and requires deep expertise in C#, .NET Core, API development, and cloud infrastructure. Experience working in regulated or financial services environments is a plus. Responsibilities Develop, enhance, and maintain backend applications using C#, .NET Core, and ASP.NET Core Design, build, and support RESTful APIs and microservices architectures Deploy, manage, and optimize applications running on AWS EC2 environments Work with AWS services including S3, RDS, CloudWatch, IAM, and Load Balancers Collaborate with front-end developers integrating applications with React-based interfaces Participate in architecture discussions, technical design sessions, and code reviews Troubleshoot and resolve complex technical issues across the application stack Ensure applications meet security, compliance, scalability, and performance standards Contribute to CI/CD automation and deployment processes Required Qualifications 10+ years of backend development experience Strong expertise with C#, .NET Core, and ASP.NET Core Strong understanding of backend architecture principles and design patterns Hands-on experience deploying and managing applications in AWS EC2 environments Experience working with relational databases such as SQL Server or PostgreSQL Strong experience with Entity Framework Core Experience with Docker and CI/CD pipelines Strong troubleshooting, debugging, and performance optimization skills Preferred Qualifications Experience working in financial services or highly regulated environments Basic to intermediate React experience Experience with AWS ECS, EKS, or Lambda Experience with Infrastructure as Code tools such as Terraform or CloudFormation Experience with event-driven architectures using SNS, SQS, or Kafka Experience with automated testing frameworks Additional Information This is primarily a backend-focused engineering role React knowledge is beneficial but not required Candidates with experience building secure enterprise applications are highly preferred Strong collaboration and communication skills are important for working across cross-functional engineering teams