Senior Software Engineer (Full-Stack .NET / Cloud Modernization)

Job Description

Job description:

Location: Hybrid (Northeast Ohio ; one week in-office onboarding, then about one day per week in-office until full remote eligibility based on performance and engagement)

Employment Type: Full-Time

About the Company

We’re a family owned wholesaler in the home décor industry with a long-standing reputation for creativity and craftsmanship. Our digital infrastructure powers everything from product design to order fulfillment. We’re modernizing our software systems to strengthen security, improve reliability, and accelerate delivery of new features.

*We require a cover letter explaining why you believe you would be a good fit for this position and why it's appealing to you. Applications without cover letters will not be considered.

The Opportunity

We’re seeking a senior engineer to lead modernization of a mature .NET application suite that integrates with multiple business systems for e-commerce, logistics, and finance. You’ll help improve reliability, security, and development velocity by implementing modern DevOps practices and modular design principles.

Key ResponsibilitiesInfrastructure Modernization

• Strengthen cloud networking and access controls.
• Introduce configuration and secret management aligned with security best practices.
• Improve observability, alerting, and backup strategies.

Deployment Automation

• Design and implement CI/CD pipelines using modern GitOps practices.
• Define staging and production environments with automated promotion and rollback capabilities.
• Establish consistent versioning and deployment workflows.

Application Refactoring

• Decompose tightly coupled application components into modular, maintainable services.
• Introduce scalable background job scheduling and asynchronous workflows.
• Replace legacy blocking code with resilient patterns.

Integration Development

• Maintain and evolve connections between our internal systems and external APIs.
• Implement reliable data synchronization and error-handling patterns.
• Extend existing APIs for internal and partner-facing integrations.

Collaboration & Leadership

• Partner with business and IT stakeholders to align technical improvements with operational priorities.
• Mentor internal developers and help establish coding, testing, and deployment standards.

Documentation & Communication

• Develop comprehensive documentation for technical and non-technical audiences during system modernization.
• Ensure business-oriented documentation is written in accessible, non-technical that promotes understanding and adoption.
• Each document should clearly outline what each component does, its cost implications, and why it matters to the business.

Technical Environment

• : C#, .NET 8/9, Razor, Entity Framework, Dapper
• Cloud: AWS (EC2, RDS, S3, IAM, CloudWatch, CodeBuild, CodeDeploy)
• Databases: SQL Server (AWS RDS)
• Tools: Bitbucket, Visual Studio, VS Code
• Deployment: Transitioning from manual EC2-based deployments to automated pipelines

Qualifications

• 5+ years of professional experience with C# / .NET Core and REST API development.
• Proven experience designing and maintaining CI/CD pipelines in a cloud environment.
• Strong understanding of secure cloud architecture (network segmentation, IAM best practices).
• Solid database design and performance optimization experience.
• Demonstrated success modernizing or refactoring legacy applications.
• Excellent communication and documentation skills.

(Nice to Have)

• Familiarity with retail, e-commerce, or supply chain systems.
• Experience with containerization (Docker/ECS) or serverless (Lambda).
• Interest in mentoring and building long-term internal technical capacity.

What Success Looks Like

Within your first year, you will have:

• Established automated CI/CD and versioned deployments.
• Strengthened security, observability, and reliability of our cloud infrastructure.
• Delivered measurable improvements in delivery speed and operational stability.