Senior .NET Architect: Cloud-Native Microservices Lead

Ethereum Technologies LLC; Windsor (CT); On-site; USD 140,000 - 190,000; Full time

Job summary

Ethereum Technologies is seeking an experienced Enterprise Architect to lead architecture for .NET-based solutions. You will partner with stakeholders to define end-to-end architecture and design scalable, secure, cloud-native microservices and backend systems.

You will lead architecture reviews, roadmaps, and technology strategy, guiding product, UX, QA, and engineering teams. The role includes cloud adoption, modernization, and evaluating new technologies to improve production architecture.

Qualifications

• 10+ years in .NET backend development and 4+ years in architecture roles.
• Hands-on with .NET, C#, microservices, REST APIs.
• Strong SQL and NoSQL data modeling experience.
• Experience with Kafka/RabbitMQ and 3rd-party service integration.
• CI/CD and DevOps strategy experience.
• Enterprise security best practices: OAuth2, JWT, SSO.
• Strong understanding of enterprise system design and integration.

Responsibilities

• Provide architecture leadership for enterprise .NET-based solutions.
• Work with business stakeholders to understand requirements and define end-to-end architecture.
• Design scalable, secure, and cloud-native microservices and backend systems.
• Lead architecture reviews, roadmaps, and technology strategy.
• Partner with Product, UX, QA, and Engineering for solution delivery.
• Guide development teams with best practices, design principles, and code quality.
• Oversee cloud adoption and application modernization initiatives.
• Lead POCs and evaluate new emerging technologies.
• Create architecture artifacts, design documents, and integration models.
• Support production architecture, troubleshooting, and continuous improvements

Skills

.NET backend development

Software architecture

C#/.NET Framework

Microservices

REST APIs

SQL & NoSQL

Kafka/RabbitMQ

CI/CD & DevOps

OAuth2/JWT/SSO

Enterprise design & integration

Job description

Ethereum Technologies is seeking an experienced Enterprise Architect to lead architecture for .NET-based solutions. You will partner with stakeholders to define end-to-end architecture and design scalable, secure, cloud-native microservices and backend systems.

You will lead architecture reviews, roadmaps, and technology strategy, guiding product, UX, QA, and engineering teams. The role includes cloud adoption, modernization, and evaluating new technologies to improve production architecture.