NET Architect

Role: .NET Developer/Architect
Location: Oakland, CA (Hybrid – 2-3 days onsite, Wednesdays mandatory)
Duration: 3+ months


Summary: We are seeking an experienced .NET Developer / Architect to lead the design, development, modernization, and integration of enterprise tax applications supporting a large public sector organization. The ideal candidate will have strong experience designing scalable .NET solutions, integrating legacy and modern systems, and working across enterprise application architectures. This role requires hands-on development along with architectural leadership, ensuring high-quality, secure, and maintainable solutions.

Must Have: C#, .NET Framework/.NET Core, Enterprise Application Architecture, SQL Server & DB2, CICS Gateway Integration, REST APIs & Enterprise Integration Patterns

Required Skills:

• 8+ years of experience developing enterprise applications using C# and .NET Framework/.NET Core
• Experience designing enterprise application architecture and integration solutions
• Strong experience with SQL Server and DB2
• Experience integrating with legacy systems through CICS Gateway
• Strong knowledge of REST APIs, Web Services, and enterprise integration patterns
• Experience with Windows-based enterprise applications
• Strong understanding of software architecture, design patterns, and best practices
• Experience performing code reviews and mentoring development teams
• Excellent troubleshooting and performance tuning skills

Preferred Qualifications:

• Experience modernizing legacy enterprise applications
• Experience working in government or public sector environments
• Experience with Azure or other cloud platforms
• Familiarity with DevOps, CI/CD pipelines, and automated deployments

Responsibilities:

• Design scalable enterprise application architecture
• Lead modernization of existing .NET applications
• Develop and enhance enterprise web applications
• Design and implement system integrations
• Build secure REST APIs and backend services
• Optimize SQL Server and DB2 database interactions
• Collaborate with business stakeholders, architects, and technical teams
• Review code and establish development standards
• Support production deployments and resolve complex technical issues