Full Stack Developer (React / .NET)

Job Description This is a remote position. Onsite/Hybrid/Remote: Remote Duration: 12 months Rate Range: Up to $80 on C2C or $72 in W2 Work Authorization: U.S. citizens, Green Card holders, and candidates with valid EADs. No H-1B, OPT, CPT, visa sponsorship, or visa-related documentation. Must Have: React.js .NET (C#) AWS Lambda and related AWS services Full stack development and system communication skills Responsibilities: Design and build user-facing features in React, translating existing Salesforce workflows into modern web interfaces. Develop and maintain backend services and APIs using .NET (C#). Build and deploy serverless functions and event-driven workflows using AWS Lambda and supporting AWS services. Partner with product, design, and business stakeholders to understand legacy Salesforce processes and re-architect them for the new stack. Participate in the end-to-end migration from Salesforce to the custom stack, including data modeling, integration, and cutover planning. Write clean, well-tested, maintainable code across the full stack. Communicate progress, blockers, and technical trade-offs clearly to both technical and non-technical stakeholders. Participate in code reviews, architecture discussions, and sprint planning. Qualifications: Strong hands-on experience building production web applications with React, including hooks, component architecture, and state management. Solid backend development experience with .NET and C#, including building and consuming APIs. Practical experience with AWS Lambda and related serverless and cloud services such as API Gateway, S3, DynamoDB, and EventBridge. Excellent verbal and written communication skills, with the ability to work directly with stakeholders and explain technical concepts clearly. Experience working across the full stack in a fast-paced or migration-focused environment. Nice to Have: Prior experience with Salesforce (Apex, Flows, or admin/config), especially migrating off Salesforce Experience with CI/CD pipelines and Infrastructure as Code such as CloudFormation, CDK, or Terraform Familiarity with relational and NoSQL databases Experience working in a startup or fast-paced modernization environment