R Systems · 4 hours ago
Senior Dotnet Developer
Sacramento, CA
Full-time
Onsite
Senior Level
7+ years expR Systems is seeking an experienced Senior .NET Full Stack Developer with strong expertise in designing and building secure, scalable applications using Microsoft .NET technologies. The ideal candidate should have hands-on experience working in Public Sector and Healthcare environments, along with solid proficiency in AWS cloud services.
AnalyticsInformation TechnologyIT ManagementSoftware
Hiring Manager
Amit Narula
Responsibilities
Design, develop, and maintain full-stack applications using .NET Core/.NET 6+, C#, Web API, Entity Framework, and SQL Server
Develop front-end interfaces using Angular/React, JavaScript/TypeScript, HTML5, CSS3, and modern UI frameworks
Architect and implement RESTful APIs, microservices, and enterprise-grade integrations
Build and deploy cloud-native applications on AWS, using services such as: AWS Lambda, API Gateway, ECS/EKS, EC2, S3, RDS, DynamoDB, Cognito, IAM, SQS/SNS, CloudWatch, CloudFormation
Implement secure authentication and authorization mechanisms (OAuth2, JWT, SSO)
Work with cross-functional teams including Product Owners, Business Analysts, and QA
Participate in all stages of SDLC—requirements, design, coding, testing, deployment
Perform code reviews and mentor junior developers
Troubleshoot and optimize application performance, scalability, and reliability
Qualification
Required
7–10+ years of hands-on experience in .NET / C# development
Strong experience with .NET Core/.NET 5+, Web API, MVC, Microservices
Proficient in front-end development with React/Angular
Strong database skills with SQL Server, query optimization, and stored procedures
Solid experience with the AWS ecosystem, including: Serverless (Lambda), Containerization (ECS/EKS), Storage (S3), Databases (RDS/DynamoDB), API Gateway, CloudWatch, IAM, VPC, SQS/SNS
CI/CD using AWS CodePipeline, CodeBuild, GitHub Actions, or equivalent
Experience in Public Sector and Healthcare domains, with understanding of: Government security standards and compliance-driven development
Familiarity with containerization (Docker), Infrastructure as Code (CloudFormation/Terraform), unit testing frameworks
Preferred
Healthcare & Public Sector Experience is Preferred
Experience with Kubernetes (EKS)
Experience with reporting/analytics tools
AWS Certifications (Developer Associate, Solutions Architect Associate/Professional)
Experience with NoSQL databases (MongoDB, DynamoDB)
Company
R Systems
R Systems is a global provider of technology and analytics services. It is a sub-organization of R Systems Computaris Europe.
1001-5000 employees
H1B Sponsorship
R Systems has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (37)
2024 (38)
2023 (50)
2022 (41)
2021 (42)
2020 (63)
Funding
Current Stage
Public CompanyTotal Funding
unknown2022-11-16Acquired
2006-04-26IPO
Leadership Team
Nitesh Bansal
Chief Executive Officer - R Systems (A Blackstone Portfolio Company)
Srikara Rao
CTO
Recent News
Hindu Business Line
2025-11-25
Company data provided by crunchbase