Senior Cloud & Microservices Architect (C#, React)

Quantum Technologies. LLC; Sacramento (CA); On-site; USD 75,000 - 107,000; Full time

Job summary

Quantum Technologies LLC is seeking an experienced Solution Architect in Sacramento, CA to design and lead enterprise-level applications using C#, .NET, React, and cloud-based microservices.

The role focuses on REST API architecture, cloud migrations, and security (OAuth2/OIDC, OWASP), with strong emphasis on CI/CD and DevOps practices. You will lead architecture design, code reviews, and technical teams on an 8-month+ extension project.

Qualifications

• Strong experience with C#, .NET, and React.
• Expertise in Microservices and REST API architecture.
• Hands-on experience with AWS/Azure/Cloud technologies.
• Knowledge of architecture and design patterns (CQRS, Event Sourcing, Saga).
• Experience with cloud migration and legacy application modernization.
• Security focus: OAuth2/OIDC, OWASP.
• Experience with CI/CD pipelines and DevOps practices.
• Ability to lead architecture design, code reviews, and technical teams.

Responsibilities

• Design and lead enterprise-level application solutions.
• Guide architecture decisions and code reviews.
• Collaborate with cross-functional teams to deliver scalable systems.

Skills

C#

.NET

React

Microservices

REST API

Cloud

CI/CD

DevOps

Security/OWASP

Architecture

Tools

AWS

Azure

Job description

Quantum Technologies LLC is seeking an experienced Solution Architect in Sacramento, CA to design and lead enterprise-level applications using C#, .NET, React, and cloud-based microservices.

The role focuses on REST API architecture, cloud migrations, and security (OAuth2/OIDC, OWASP), with strong emphasis on CI/CD and DevOps practices. You will lead architecture design, code reviews, and technical teams on an 8-month+ extension project.