Front End .NET Developer (Remote, W2 Only)

Quick Facts

• Remote (100%)
• Contract duration: 12 months, with strong possibility of extension
• Employment: W2 only (no C2C/1099)
• Location: Baltimore, MD

Description

Lead hands-on development and solution architecture to modernize legacy .NET and enterprise integrations impacted by ClaimsCore, delivering secure, reusable, API-driven services. You will assess existing applications, define future-state architectures, build prototypes, and ensure testing, security, and operational readiness for production. The role is 100% remote and requires W2 employment with U.S. work authorization.

Responsibilities

• Gather and translate business requirements; own the change request process and enhancement planning
• Perform technical design reviews and code reviews; ensure unit and system testing aligns to test plans
• Coordinate on-call support and monitoring; maintain the technical development environment
• Modernize legacy applications and workflows (including .NET code, toolbars/macros, RPA, and mainframe workflows)
• Design future-state architecture using ClaimsCore capabilities, APIs, reusable services, and modular components
• Create API contracts, data mappings, security patterns, architecture diagrams, and implementation specifications
• Lead hands-on prototypes and development using React, Python, and REST APIs
• Implement authentication/authorization, logging/auditing, error handling, retries, recovery, and data protection
• Collaborate with MuleSoft, data, QA, business, and platform teams to resolve dependencies and reuse enterprise services
• Plan legacy/ClaimsCore coexistence (routing, reconciliation, production safeguards)
• Decouple business logic, presentation, and data access for better maintainability and testability
• Lead CI/CD, DevSecOps, automated testing, threat modeling, and defect resolution; provide estimates and knowledge transfer
• Support vendor evaluation

Requirements

• W2 employment in the USA (no C2C/1099)
• Authorized to work in the USA without requiring sponsorship
• BA/BS in IT, Computer Science, or related field plus 5+ years of experience (or equivalent background)
• Senior enterprise software engineering and hands-on solution architecture experience
• Strong REST API, microservices, integration, authentication, and security expertise
• Hands-on Python or enterprise backend development; familiarity with React, .NET, and T-SQL
• Proven legacy modernization, code analysis, workflow redesign, and integration experience
• Proficiency with Git, CI/CD, automated testing, troubleshooting, and performance optimization
• Strong technical documentation, architecture design, and cross-team leadership

Benefits

Not specified in the posting.