Sr. Net Architect

Matrix Precise, Inc.•Berkeley, CA

21h

About The Position

We are seeking a Senior .NET Engineer with strong experience in building scalable, secure enterprise applications. The ideal candidate will have experience working with clinical systems, healthcare platforms, or Laboratory Information Systems (LIS), and a deep understanding of integrating with existing systems in regulated environments. This role involves designing, developing, and enhancing mission-critical applications that support operational efficiency and data-driven workflows across healthcare or laboratory environments. This role requires strong backend engineering expertise, advanced SQL Server knowledge, and the ability to work across modern and legacy frontend frameworks. The primary focus of this position is maintaining and modernizing applications built on .NET 8 / ASP.NET Core, while supporting frontend applications developed in React and existing applications built using Angular. This role may also support cross-functional initiatives such as analytics platform transitions, application support, and interface development.

Requirements

Strong experience with .NET 6/7/8 and ASP.NET Core
Proficiency in C# and RESTful API development
Advanced expertise in Microsoft SQL Server
T-SQL
Stored procedures
Query optimization
Indexing strategies
Performance tuning
Database schema design
Frontend experience with React
Working knowledge of Angular (supporting and maintaining existing applications)
Experience with version control systems (Git)
Experience implementing and maintaining CI/CD build and deployment pipelines
Strong troubleshooting and debugging skills
7+ years of professional experience in enterprise software development
5+ years of backend development experience with strong SQL Server expertise

Nice To Haves

Prior Clinical Lab experience
Experience working on Tableau to Power BI conversion projects
Agentic AI
Familiarity with Python
Experience working with a Content Management System (Sitecore preferred)
Strong analytical and problem-solving skills
Clear communicator with technical and non-technical stakeholders
Ability to manage multiple priorities effectively
Detail-oriented with strong documentation capabilities
Self-driven and adaptable in evolving technical environments

Responsibilities

Collaborate with Project Managers and business stakeholders to analyze requirements and deliver scalable technical solutions.
Maintain and enhance enterprise applications built on ASP.NET Core (.NET 8).
Support and maintain existing frontend applications developed in Angular, while contributing to new development in React.
Design, develop, and optimize backend APIs and services.
Lead complex SQL Server development including database design, stored procedures, query optimization, indexing strategies, and performance tuning.
Support and extend applications integrated with Sitecore CMS, including content structures and workflows.
Participate in Tableau to Power BI conversion initiatives (project-level involvement preferred; hands-on experience is a plus).
Provide Level 1 and Level 2 production support for enterprise applications as needed.
Contribute to interface development and integration efforts.
Participate in the full Software Development Life Cycle (SDLC): analysis, design, development, testing, deployment, and production support.
Implement and maintain CI/CD pipelines for automated building, testing, and deployment.
Document architecture, workflows, and technical solutions.
Proactively identify performance bottlenecks and modernization opportunities.
Manage multiple concurrent projects and deadlines.