.Net Solution Architect

Marici Solutions; San Francisco (CA); Hybrid; USD 150,000 - 210,000; Full time

Job summary

MARICI Solutions Inc. in the San Francisco Bay Area is seeking a .NET Solution Architect to define technical direction and lead delivery of enterprise-grade applications across on-premises, hybrid, and cloud environments.

The architect will focus on C#, .NET, React, cloud-native patterns, microservices, security, and DevOps to drive scalable, secure software solutions. The role requires strong experience in architectural leadership, API design, and modernization efforts.

Qualifications

• Proficiency in C# and .NET ecosystem.
• Experience designing enterprise APIs.
• Strong grasp of OO design and patterns.
• Experience with distributed systems and microservices.

Responsibilities

• Define and own solution architecture for enterprise applications built on C#, .NET, and React.
• Apply architecture and design patterns to deliver maintainable, extensible solutions.
• Architect and implement Microservices, REST APIs, and cloud-native applications.
• Design scalable, secure, and highly available distributed systems.
• Lead hybrid modernization and cloud migration initiatives across environments.
• Embed security into architecture and delivery: OAuth2/OIDC, secure API design, data protection.
• Drive performance optimization across the stack and CI/CD pipelines.
• Collaborate with engineering teams and stakeholders to define architecture standards.
• Troubleshoot performance and reliability issues.
• Conduct architecture and code reviews and enforce best practices.

Skills

C#

.NET Core

React

Cloud Technologies

Microservices

Security

DevOps

API Design

OAuth2/OIDC

Job description

Title: .Net Solution Architect

Location: Sacramento, CA (1st Preference)/Walnut Creek, CA/ San Francisco, CA (Hybrid)

Duration: 6+ Months

Position Overview:

Seeking a Solution Architect with strong expertise in C#, .NET, React, Cloud Technologies, Microservices, Security, and DevOps to architect, design, and lead delivery of enterprise-grade applications across on-premises, hybrid, and cloud environments. The architect will define technical direction, apply proven architecture and design patterns, lead hybrid modernization efforts, and drive scalable, secure, and high-performance software solutions.

Core Technical Responsibilities

• Define and own solution architecture for enterprise applications built on C#, .NET, and React.
• Apply architecture and design patterns (layered, hexagonal, CQRS, event sourcing, saga, API gateway, strangler fig, and GoF patterns) to deliver maintainable, extensible solutions.
• Architect and implement Microservices, REST APIs, and cloud-native applications.
• Design scalable, secure, and highly available distributed systems.
• Lead hybrid modernization and cloud migration initiatives, including assessment, target-state architecture, and phased transition of legacy and on-premises workloads.
• Embed security into architecture and delivery: threat modeling, identity and access management (OAuth2/OIDC), secure API design, secrets management, data protection, and compliance with OWASP and enterprise security standards.
• Drive performance optimization across the stack: application profiling, caching, asynchronous processing, database tuning, and front-end optimization for React applications.
• Build and optimize CI/CD pipelines for automated deployment and delivery.
• Collaborate with engineering teams and stakeholders to define application architecture and technology standards.
• Troubleshoot complex application performance, scalability, and reliability issues.
• Conduct architecture and code reviews and enforce engineering best practices.

Required Technical Skills

Backend Development

• Expert in C# and .NET/.NET Core
• Experience building Enterprise APIs
• Strong knowledge of Object-Oriented Design and design patterns
• Experience with Distributed Systems and Microservices Architecture

Frontend Development

• Strong experience with React and JavaScript/TypeScript
• Experience designing front-end architecture (component design, state management, micro-frontends)