CBTS
Backend Developer (C#, API, Azure) -(6 month CTH) - US Citizen or Green Card - W-2 Only
Pay: $70 - $80 per hr W-2 w/Conversion Salary $125K - $135K - Hybrid 3 days onsite 45245
CBTS is building a Large SaaS application that will provide an entire solution for sporting events. This solution includes operations, scheduling, ticketing, timing/scoring integrations, fan and team applications, registrations, levels (A, AA, U20, etc.), results, merchandise, and more. CBTS is Searching for a
Backend Developer with strong C#, API, and Azure experience
to build the services, domain logic, integrations, and cloud infrastructure that connect this entire ecosystem. You will work closely with UI/UX, front-end engineers, and the Chief Architect to deliver scalable, high-performance backend modules across multiple applications. This is a chance to build a modern a modern Sports platform from the ground up using best-in-class .NET technology.
Please note Application Qualifications: 6 month contract to hire; this role will go fulltime, as long as there are no performance issues. Onsite in Cincinnati, OH 3 days a week; If you apply to this role you either
live within 60 miles of Downtown Cincinnati,
OH or willing to relocate at your expense and work onsite day 1. Green Card or US Citizen Only - W-2 ONLY for initial contract period.
Responsibilities:
Application Development Develop backend services using
C#, .NET 8, and Clean Architecture
principles. Build and maintain modular APIs used by: Admin (Blazor) Crew and Fan mobile apps (MAUI) Timing systems Ticketing, Merch, Finance, Security, and Logistics portals Implement business logic for racing workflows: Events, entries, race classes, schedules, results Driver/team data Track configuration and timing integration Build CQRS-based handlers using
MediatR .
Database & Data Layer Design and manage SQL Server schemas and EF Core models. Create migrations, seeds, and maintain data integrity. Build high-performance queries and stored procedures when needed. Work with relational models across multiple bounded contexts.
Cloud & Infrastructure Deploy and maintain API services in
Azure
using: Azure App Service Azure SQL Azure Storage (Blobs/Tables/Queues) Azure Functions (where appropriate) Azure DevOps Pipelines or GitHub Actions Monitor and tune API performance, scaling, and reliability.
Integration & Middleware Build integrations with hardware and timing protocols. Implement SignalR hubs for real-time updates. Develop secure authentication/authorization layers: Azure AD / Identity JWT / Role-based access (Admin, Crew, Fan) Integrate with third-party services (payments, email, SMS, analytics).
Quality & Process Write clean, maintainable, testable code. Participate in architectural planning, code reviews, and sprint cycles. Troubleshoot complex issues across distributed systems. Document API endpoints and workflows clearly.
Requirements:
Technical Skills 37+ years
of backend development experience with C#/.NET. Deep experience with: .NET 6/7/8 C#, LINQ, async/await Web APIs (minimal APIs or Controllers) Entity Framework Core SQL Server Dependency injection & middleware pipelines RESTful API design Azure experience (at least 23 of the following): App Service Azure SQL Azure Functions Storage Accounts Managed Identity Key Vault API Management Understanding of Clean Architecture and modular domain design.
Bonus Skills MediatR (CQRS pattern) Domain-driven design (DDD) SignalR Experience integrating with hardware or real-time systems Experience with microservices or modular monolith patterns Experience working with Blazor/MAUI teams
Soft Skills Strong communication and problem-solving abilities. Can break down complex requirements into clean, maintainable code. Works well with designers and front-end developers. Comfortable in a fast-moving, iterative startup-like environment.
CBTS provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a protected veteran in accordance with applicable federal, state and local laws.
CBTS is building a Large SaaS application that will provide an entire solution for sporting events. This solution includes operations, scheduling, ticketing, timing/scoring integrations, fan and team applications, registrations, levels (A, AA, U20, etc.), results, merchandise, and more. CBTS is Searching for a
Backend Developer with strong C#, API, and Azure experience
to build the services, domain logic, integrations, and cloud infrastructure that connect this entire ecosystem. You will work closely with UI/UX, front-end engineers, and the Chief Architect to deliver scalable, high-performance backend modules across multiple applications. This is a chance to build a modern a modern Sports platform from the ground up using best-in-class .NET technology.
Please note Application Qualifications: 6 month contract to hire; this role will go fulltime, as long as there are no performance issues. Onsite in Cincinnati, OH 3 days a week; If you apply to this role you either
live within 60 miles of Downtown Cincinnati,
OH or willing to relocate at your expense and work onsite day 1. Green Card or US Citizen Only - W-2 ONLY for initial contract period.
Responsibilities:
Application Development Develop backend services using
C#, .NET 8, and Clean Architecture
principles. Build and maintain modular APIs used by: Admin (Blazor) Crew and Fan mobile apps (MAUI) Timing systems Ticketing, Merch, Finance, Security, and Logistics portals Implement business logic for racing workflows: Events, entries, race classes, schedules, results Driver/team data Track configuration and timing integration Build CQRS-based handlers using
MediatR .
Database & Data Layer Design and manage SQL Server schemas and EF Core models. Create migrations, seeds, and maintain data integrity. Build high-performance queries and stored procedures when needed. Work with relational models across multiple bounded contexts.
Cloud & Infrastructure Deploy and maintain API services in
Azure
using: Azure App Service Azure SQL Azure Storage (Blobs/Tables/Queues) Azure Functions (where appropriate) Azure DevOps Pipelines or GitHub Actions Monitor and tune API performance, scaling, and reliability.
Integration & Middleware Build integrations with hardware and timing protocols. Implement SignalR hubs for real-time updates. Develop secure authentication/authorization layers: Azure AD / Identity JWT / Role-based access (Admin, Crew, Fan) Integrate with third-party services (payments, email, SMS, analytics).
Quality & Process Write clean, maintainable, testable code. Participate in architectural planning, code reviews, and sprint cycles. Troubleshoot complex issues across distributed systems. Document API endpoints and workflows clearly.
Requirements:
Technical Skills 37+ years
of backend development experience with C#/.NET. Deep experience with: .NET 6/7/8 C#, LINQ, async/await Web APIs (minimal APIs or Controllers) Entity Framework Core SQL Server Dependency injection & middleware pipelines RESTful API design Azure experience (at least 23 of the following): App Service Azure SQL Azure Functions Storage Accounts Managed Identity Key Vault API Management Understanding of Clean Architecture and modular domain design.
Bonus Skills MediatR (CQRS pattern) Domain-driven design (DDD) SignalR Experience integrating with hardware or real-time systems Experience with microservices or modular monolith patterns Experience working with Blazor/MAUI teams
Soft Skills Strong communication and problem-solving abilities. Can break down complex requirements into clean, maintainable code. Works well with designers and front-end developers. Comfortable in a fast-moving, iterative startup-like environment.
CBTS provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a protected veteran in accordance with applicable federal, state and local laws.