.NET Full Stack Technical Architect

Requisition ID: 95298-1
Title: .NET Full Stack Technical Architect
Location: Dallas, TX/ Phoenix AZ
Duration: 6+ Months
Salary Range: $50- $58 an hour on W2 /C2C

We are seeking a .NET Full Stack Technical Architect with 12+ years of solution architecture experience and at least 5+ years of hands-on full-stack development experience in an architect role. The ideal candidate will have strong expertise in .NET/C#, React, PostgreSQL, API development, cloud technologies, DevSecOps, and AI-assisted development.

The candidate will be responsible for architecting and developing secure, scalable full-stack applications while collaborating closely with development, QA, DevOps, Security, Governance, and business teams.

Key Responsibilities

• Architect, design, and develop high-quality full-stack applications using .NET, C#, React, and API frameworks.
• Develop scalable backend services and APIs using .NET Web API, FastAPI, Node.js, or related technologies.
• Build modern frontend applications using React and JavaScript/TypeScript.
• Design and implement secure authentication and authorization flows using OAuth2, OIDC, and SSO.
• Design and implement CI/CD pipelines using GitHub Actions and Azure DevOps.
• Leverage GitHub Copilot and AI-assisted development tools to accelerate development, unit testing, documentation, and delivery.
• Collaborate with AI/Technology Architects and engineering teams on modern application architecture and AI-enabled solutions.
• Design solutions that meet enterprise security, scalability, performance, and maintainability requirements.
• Implement and address application security vulnerabilities, including DAST, SAST, and SCA findings.
• Work closely with DevOps, Security Operations, QA, Governance, and other cross-functional teams.
• Participate in Agile ceremonies and contribute to enterprise Agile transformation initiatives.
• Rapidly prototype, iterate, and deliver solutions based on evolving product and business requirements.
• Conduct architecture and code reviews and provide technical guidance to development teams.
• Mentor developers and establish best practices for application architecture, coding, testing, security, and deployment.

Required Skills & Qualifications

• 12+ years of experience in Solution Architecture with at least 5+ years of experience as a Full Stack Architect.
• Strong hands-on expertise in .NET / C# and backend application development.
• Strong experience with React and modern JavaScript/TypeScript frameworks.
• Strong knowledge of PostgreSQL and general SQL/database concepts.
• Experience implementing multiple enterprise applications, including at least 2 implementation projects, with one involving a large customer.
• Proven experience using GitHub Copilot across multiple application development projects.
• Strong understanding of DAST, SAST, and SCA security scanning and vulnerability remediation.
• Strong experience designing and developing RESTful APIs.
• Knowledge of FastAPI, Node.js, or .NET Web API.
• Strong understanding of enterprise authentication standards including OAuth2, OIDC, and SSO.
• Experience designing secure, scalable, and highly available enterprise applications.
• Strong understanding of Agile development methodologies.

Finance Domain Experience

• Understanding of the Finance domain, particularly:
  • Loan lifecycle / loan cycle
  • Collateral tracking
  • Related financial application processes

AI & Automation

• Understanding of AI-assisted software development workflows.
• Experience using GitHub Copilot for application development, testing, and documentation.
• Exposure to AI marketplace concepts, prompt engineering, and reusable agent development.
• Experience integrating applications with AI services such as Azure OpenAI or cloud-based LLM services.
• Ability to identify opportunities for AI-driven automation and productivity improvements.