Senior.NET Developer

Project

Our environment includes .NET 8, Blazor/MudBlazor, TypeScript-based applications, API integrations, legacy modernization efforts, and WordPress-related work. We are looking for adaptable developers who are comfortable working across multiple platforms and technologies.

Objective

The objective of this engagement is to provide technical services to support the modernization, enhancement, and ongoing development of Accessible Housing Program (ACHP) web-based systems. Specifically, the Contractor shall:

• Ensure compliance with web accessibility standards, including WCAG 2.1 AA and applicable
• ADA/Section 508 requirements
• Modernize legacy .NET applications to .NET 8 and current architectural standards
• Implement scalable, maintainable, and secure application architecture patterns
• Design and support cross-platform system integrations
• Develop and enhance application features across frontend and backend layers
• Improve authentication and Single Sign-On (SSO) implementation using industry standards
• Enhance, maintain, and support WordPress-based websites and related integrations

Minimum Qualifications (Requirements)

• Minimum six (6) years of professional experience in .NET web application development
• Minimum three (3) years of hands-on experience with .NET Core / .NET 6+
• Advanced proficiency in C# and ASP.NET Core
• Demonstrated experience modernizing or refactoring legacy .NET applications to modern .NET architecture
• Experience designing and implementing RESTful Client in production environments
• Strong understanding of clean, layered, or domain-driven architectural patterns
• Experience implementing authentication mechanisms including JWT and OIDC/OAuth2
• Experience designing and optimizing relational databases using SQL Server and PostgreSQL, including query performance tuning and schema design.
• Experience deploying and supporting applications in AWS environments
• Experience using Infrastructure as Code (IaC) tools, including Terraform
• Experience working with AWS services including Elastic Container Service (ECS), Elastic Container Registry (ECR), and Relational Database Service (RDS)
• Experience designing and developing applications in compliance with WAG 2.1 AA and Section 508 accessibility standards

Responsibilities

• Lead technical modernization efforts from legacy NET systems to .NET 8
• Design integration strategies between applications
• Guide authentication and SSO implementation strategy
• Review and approve architectural designs and code contributions
• Mentor junior and mid-level developers
• Identify technical risks and recommend mitigation strategies
• Conduct comprehensive code reviews to ensure adherence to architectural standards, security best practices, performance requirements, and maintainability guidelines.
• Accessibility review, remediation, and validation of developed components